{"id":20508,"date":"2025-12-03T09:54:21","date_gmt":"2025-12-03T01:54:21","guid":{"rendered":"https:\/\/viox.com\/?p=20508"},"modified":"2025-12-03T11:41:35","modified_gmt":"2025-12-03T03:41:35","slug":"surge-protector-vs-power-strip-key-differences-explained","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/surge-protector-vs-power-strip-key-differences-explained\/","title":{"rendered":"\u6d6a\u6d8c\u4fdd\u62a4\u5668\u4e0e\u7535\u6e90\u6392\u63d2\uff1a\u5173\u952e\u5dee\u5f02\u89e3\u6790"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\u8d70\u8fdb\u4efb\u4f55\u4e00\u5bb6\u7535\u5b50\u4ea7\u54c1\u5546\u5e97\uff0c\u4f60\u90fd\u4f1a\u770b\u5230\u6570\u5341\u6b3e\u516d\u53e3\u63d2\u6392\u3002\u5176\u4e2d\u4e00\u534a\u7684\u5305\u88c5\u76d2\u4e0a\u6807\u6709\u201c\u6d6a\u6d8c\u4fdd\u62a4\u5668\u201d\u5b57\u6837\uff0c\u53e6\u4e00\u534a\u5219\u6ca1\u6709\u3002\u4ef7\u683c\u5dee\u5f02\uff1f\u53ef\u80fd\u53ea\u670910\u5143\u3002.<\/p>\n<p>\u4fdd\u62a4\u80fd\u529b\u7684\u5dee\u5f02\uff1f\u5929\u58e4\u4e4b\u522b\u3002.<\/p>\n<p>\u90a3\u6b3e\u4ece\u6742\u8d27\u5e97\u4e70\u6765\u768415\u5143\u63d2\u6392\u2014\u2014\u4f60\u90a3\u53f0\u4ef7\u503c2400\u5143\u7684\u7535\u8111\u6b63\u63d2\u5728\u4e0a\u9762\u2014\u2014\u5bf9\u7535\u538b\u5c16\u5cf0\u6beb\u65e0\u9632\u62a4\u80fd\u529b\u3002\u800c\u4f60\u4e09\u5e74\u524d\u4e70\u7684\u90a3\u4e2a\u201c\u6d6a\u6d8c\u4fdd\u62a4\u5668\u201d\u5462\uff1f\u5b83\u7684\u91d1\u5c5e\u6c27\u5316\u7269\u538b\u654f\u7535\u963b\u53ef\u80fd\u5728\u7b2c\u4e00\u6b21\u5927\u6d6a\u6d8c\u540e\u5c31\u5df2\u5931\u6548\uff0c\u4f46\u7eff\u8272\u6307\u793a\u706f\u5374\u4f9d\u7136\u4eae\u7740\u3002\u81ea\u90a3\u4ee5\u540e\u4f60\u4e00\u76f4\u5904\u4e8e\u65e0\u4fdd\u62a4\u72b6\u6001\uff0c\u800c\u4f60\u5374\u6beb\u4e0d\u77e5\u60c5\u3002.<\/p>\n<p>\u4ee5\u4e0b\u6307\u5357\u5c06\u6559\u4f60\u89e3\u8bfb\u4ea7\u54c1\u6807\u7b7e\uff0c\u7406\u89e3\u771f\u6b63\u91cd\u8981\u7684\u89c4\u683c\u53c2\u6570\uff08\u7126\u8033\u3001\u94b3\u4f4d\u7535\u538b\u3001UL 1449\u8ba4\u8bc1\u7b49\u7ea7\uff09\uff0c\u5e76\u4e3a\u503c\u5f97\u4fdd\u62a4\u7684\u8bbe\u5907\u9009\u62e9\u5408\u9002\u7684\u4fdd\u62a4\u88c5\u7f6e\u2014\u2014\u6216\u5728\u5b8c\u5168\u4e0d\u9700\u8981\u4fdd\u62a4\u65f6\u8282\u7701\u5f00\u652f\u3002.<\/p>\n<h2>\u4ec0\u4e48\u662f\u7535\u6e90\u63d2\u6392\uff1f<\/h2>\n<p>\u7535\u6e90\u63d2\u6392\u4ec5\u4ec5\u662f\u63d2\u5ea7\u6269\u5c55\u5668\uff0c\u4ec5\u6b64\u800c\u5df2\u3002\u5c06\u4e00\u4e2a\u8bbe\u5907\u63d2\u5165\u5899\u63d2\uff0c\u6269\u5c55\u51fa\u516d\u4e2a\u63d2\u5ea7\u3002\u6709\u4e9b\u4f1a\u5305\u542b\u4e00\u4e2a\u5f00\u5173\u6216\u4e00\u4e2a\u57fa\u672c\u7684 <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">ng\u1eaft m\u1ea1ch<\/a> \u989d\u5b9a15\u5b89\u57f9\u7684\u65ad\u8def\u5668\uff08\u8fd9\u662f\u63d2\u6392\u5185\u90e8\u5bfc\u7ebf\u7684\u8d1f\u8f7d\u6781\u9650\uff0c\u5e76\u975e\u6d6a\u6d8c\u4fdd\u62a4\uff09\u3002\u8fd9\u5c31\u662f\u5168\u90e8\u3002.<\/p>\n<p><strong>\u7535\u6e90\u63d2\u6392\u7684\u529f\u80fd\uff1a<\/strong><\/p>\n<ul>\n<li>\u589e\u52a0\u53ef\u7528\u63d2\u5ea7\u6570\u91cf<\/li>\n<li>\u53ef\u80fd\u5305\u542b\u4e00\u4e2a\u65b9\u4fbf\u4f7f\u7528\u7684\u5f00\/\u5173\u5f00\u5173<\/li>\n<li>\u53ef\u80fd\u914d\u5907\u4e00\u4e2a\u53ef\u590d\u4f4d\u768415A\u65ad\u8def\u5668\uff0c\u4ee5\u9632\u6b62\u63d2\u6392\u5185\u90e8\u7ebf\u8def\u8fc7\u8f7d<\/li>\n<\/ul>\n<p><strong>\u7535\u6e90\u63d2\u6392\u4e0d\u5177\u5907\u7684\u529f\u80fd\uff1a<\/strong><\/p>\n<ul>\n<li>\u9650\u5236\u6765\u81ea\u96f7\u7535\u3001\u7535\u7f51\u5207\u6362\u6216\u7535\u673a\u542f\u52a8\u4ea7\u751f\u7684\u7535\u538b\u5c16\u5cf0<\/li>\n<li>\u4fdd\u62a4\u8fde\u63a5\u7684\u7535\u5b50\u8bbe\u5907\u514d\u53d7\u77ac\u6001\u8fc7\u7535\u538b\u635f\u5bb3<\/li>\n<li>\u7b26\u5408UL 1449\u6807\u51c6\uff08\u6d6a\u6d8c\u4fdd\u62a4\u5668\u6807\u51c6\uff09<\/li>\n<li>\u5305\u542b\u4efb\u4f55\u6d6a\u6d8c\u6291\u5236\u5143\u4ef6\uff08\u5982MOV\u3001\u6c14\u4f53\u653e\u7535\u7ba1\u6216\u7845\u96ea\u5d29\u4e8c\u6781\u7ba1\uff09<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u770b\u5230\u4e00\u4e2a\u552e\u4ef78-12\u5143\u7684\u516d\u53e3\u63d2\u6392\uff0c\u4e14\u672a\u63d0\u53ca\u201c\u6d6a\u6d8c\u201d\u3001\u201c\u7126\u8033\u201d\u6216\u201cUL 1449\u201d\uff0c\u90a3\u4e48\u4f60\u770b\u5230\u7684\u5c31\u662f\u4e00\u4e2a\u57fa\u7840\u7535\u6e90\u63d2\u6392\u3002\u5b83\u9002\u7528\u4e8e\u4f4e\u4ef7\u503c\u3001\u5bf9\u6d6a\u6d8c\u4e0d\u654f\u611f\u7684\u8d1f\u8f7d\uff1a\u53f0\u706f\u3001\u624b\u673a\u5145\u7535\u5668\uff08\u5176\u5185\u90e8\u5df2\u6709\u4fdd\u62a4\uff09\u6216\u5496\u5561\u673a\u3002\u4f46\u4e0d\u9002\u7528\u4e8e\u53f0\u5f0f\u5de5\u4f5c\u7ad9\u3001\u5bb6\u5ead\u5f71\u9662\u63a5\u6536\u5668\u6216\u7f51\u7edc\u8bbe\u5907\u3002.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> \u63d2\u6392\u4e0a\u7684\u65ad\u8def\u5668\u4ec5\u4fdd\u62a4\u63d2\u6392\u5185\u90e8\u7ebf\u8def\u514d\u53d7\u8fc7\u8f7d\u8d77\u706b\u98ce\u9669\uff0c\u5e76\u4e0d\u80fd\u4fdd\u62a4\u4f60\u7684\u8bbe\u5907\u514d\u53d7\u7535\u538b\u5c16\u5cf0\u635f\u5bb3\u3002.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Internal-construction-differences-between-a-basic-power-strip-left-and-a-surge-protector-right.webp\" alt=\"Internal construction differences between a basic power strip and a surge protector\"><figcaption>\u56fe2\uff1a\u57fa\u7840\u7535\u6e90\u63d2\u6392\uff08\u5de6\uff09\u4e0e\u6d6a\u6d8c\u4fdd\u62a4\u5668\uff08\u53f3\uff09\u7684\u5185\u90e8\u7ed3\u6784\u5dee\u5f02\u3002\u6d6a\u6d8c\u4fdd\u62a4\u5668\u5305\u542b\u7528\u4e8e\u94b3\u5236\u7535\u538b\u5c16\u5cf0\u7684MOV\u5143\u4ef6\uff0c\u800c\u7535\u6e90\u63d2\u6392\u4ec5\u63d0\u4f9b\u63d2\u5ea7\u6269\u5c55\u529f\u80fd\uff0c\u65e0\u4efb\u4f55\u4fdd\u62a4\u5143\u4ef6\u3002.<\/figcaption><\/figure>\n<h2>Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec?<\/h2>\n<p>\u6d6a\u6d8c\u4fdd\u62a4\u5668\uff08\u6280\u672f\u4e0a\u79f0\u4e3a <a href=\"https:\/\/test.viox.com\/vi\/spd\/\">\u6d6a\u6d8c\u4fdd\u62a4\u88c5\u7f6e\uff0c\u7b80\u79f0SPD<\/a>\uff09\u662f\u4e00\u79cd\u589e\u52a0\u4e86\u975e\u7ebf\u6027\u5143\u4ef6\u7684\u7535\u6e90\u63d2\u6392\uff0c\u5176\u8bbe\u8ba1\u76ee\u7684\u662f\u94b3\u5236\u77ac\u6001\u8fc7\u7535\u538b\u5e76\u5c06\u6d6a\u6d8c\u7535\u6d41\u4ece\u4f60\u7684\u8bbe\u5907\u65c1\u8def\u5bfc\u8d70\u3002.<\/p>\n<p>\u5f53\u7535\u538b\u5c16\u5cf0\u6765\u88ad\u65f6\u2014\u2014\u65e0\u8bba\u662f\u6765\u81ea\u51e0\u4e2a\u8857\u533a\u5916\u7684\u96f7\u51fb\u3001\u7535\u7f51\u53d8\u538b\u5668\u5207\u6362\uff0c\u8fd8\u662f\u4f60\u7684\u6696\u901a\u7a7a\u8c03\u538b\u7f29\u673a\u542f\u52a8\u2014\u2014SPD\u7684\u5185\u90e8\u5143\u4ef6\uff08\u901a\u5e38\u662fMOV\uff09\u4f1a\u5728\u7eb3\u79d2\u7ea7\u65f6\u95f4\u5185\u4ece\u9ad8\u963b\u6001\u5207\u6362\u5230\u4f4e\u963b\u6001\uff0c\u5c06\u6d6a\u6d8c\u80fd\u91cf\u5bfc\u5411\u5730\u7ebf\uff0c\u5e76\u9650\u5236\u8bbe\u5907\u7aef\u627f\u53d7\u7684\u7535\u538b\u3002.<\/p>\n<p><strong>SPD\u5185\u90e8\u7684\u6838\u5fc3\u6280\u672f\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u91d1\u5c5e\u6c27\u5316\u7269\u538b\u654f\u7535\u963b<\/strong> \u2014\u2014\u4e3b\u529b\u5143\u4ef6\u3002\u9676\u74f7\u534a\u5bfc\u4f53\uff0c\u5f53\u7535\u538b\u8d85\u8fc7\u9608\u503c\u65f6\u5bfc\u901a\u4ee5\u94b3\u5236\u7535\u538b\u5c16\u5cf0\u3002\u7528\u4e8e90%\u4ee5\u4e0a\u7684\u6d88\u8d39\u7ea7\u548c\u8f7b\u578b\u5546\u7528SPD\u4e2d\u3002.<\/li>\n<li><strong>\u1ed0ng x\u1ea3 kh\u00ed (GDT)<\/strong> \u6c14\u4f53\u653e\u7535\u7ba1.<\/li>\n<li><strong>\u2014\u2014\u53ef\u627f\u53d7\u6781\u9ad8\u7684\u6d6a\u6d8c\u7535\u6d41\uff08\u6570\u5341\u5343\u5b89\uff09\uff0c\u4f46\u54cd\u5e94\u65f6\u95f4\u8f83\u6162\u3002\u5e38\u4e0eMOV\u642d\u914d\u7528\u4e8e\u6df7\u5408\u8bbe\u8ba1\u3002<\/strong> \u7845\u96ea\u5d29\u4e8c\u6781\u7ba1.<\/li>\n<\/ol>\n<p>\u2014\u2014\u54cd\u5e94\u8fc5\u901f\uff0c\u94b3\u4f4d\u7cbe\u786e\uff0c\u4f46\u80fd\u91cf\u5bb9\u91cf\u8f83\u4f4e\u3002\u7528\u4e8e\u654f\u611f\u7535\u5b50\u8bbe\u5907\u548c\u901a\u4fe1\u9886\u57df\u3002 <strong>Lo\u1ea1i 3 SPDs<\/strong> \u4f60\u5c06\u8d2d\u4e70\u7684\u5927\u591a\u6570\u5e26\u7ebf\u6d6a\u6d8c\u4fdd\u62a4\u5668\u90fd.<\/p>\n<p>\u7b26\u5408UL 1449\u6807\u51c6\u3002\u5b83\u4eec\u662f\u201c\u4f7f\u7528\u70b9\u201d\u8bbe\u5907\uff0c\u65e8\u5728\u4fdd\u62a4\u5355\u4e2a\u8bbe\u5907\u6216\u5c0f\u578b\u8bbe\u5907\u7ec4\uff08\u5982\u529e\u516c\u684c\u9762\u8bbe\u5907\u3001\u5a31\u4e50\u4e2d\u5fc3\uff09\u3002 <strong>1\u578b<\/strong> v\u00e0 <strong>Lo\u1ea1i 2 SPDs<\/strong> \u6c38\u4e45\u5b89\u88c5\u5f0fSPD.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> \u5219\u5b89\u88c5\u5728\u5165\u6237\u603b\u914d\u7535\u7bb1\u6216\u5206\u914d\u7535\u76d8\u5904\uff0c\u63d0\u4f9b\u6574\u680b\u5efa\u7b51\u7684\u9632\u62a4\uff1b\u8fd9\u4e9b\u662f\u622a\u7136\u4e0d\u540c\u7684\u4ea7\u54c1\uff0c\u5177\u6709\u9ad8\u5f97\u591a\u7684\u6d6a\u6d8c\u7535\u6d41\u989d\u5b9a\u503c\uff0825 kA\u81f3100 kA\u4ee5\u4e0a\uff09\uff0c\u901a\u5e38\u7531\u7535\u6c14\u5de5\u7a0b\u5e08\u4e3a\u5546\u4e1a\u6216\u9ad8\u4ef7\u503c\u4f4f\u5b85\u5b89\u88c5\u9879\u76ee\u9009\u578b\u6307\u5b9a\u3002.<\/p>\n<h2>UL 1449\u662f\u5317\u7f8e\u7684SPD\u6807\u51c6\uff1bIEC 61643-11:2025\u662f\u5176\u56fd\u9645\u7b49\u6548\u6807\u51c6\u3002\u4e24\u8005\u90fd\u5b9a\u4e49\u4e86\u6d6a\u6d8c\u7535\u6d41\u5904\u7406\u80fd\u529b\u3001\u7535\u538b\u94b3\u4f4d\u80fd\u529b\u548c\u6682\u6001\u8fc7\u7535\u538b\u8010\u53d7\u80fd\u529b\u7684\u6d4b\u8bd5\u65b9\u6cd5\u3002\u5982\u679c\u4ea7\u54c1\u672a\u63d0\u53caUL 1449\u6216IEC 61643\uff0c\u5219\u5b83\u672a\u4f5c\u4e3aSPD\u7ecf\u8fc7\u6d4b\u8bd5\u3002<\/h2>\n<p>\u65e0\u58f0\u7684\u6d88\u4ea1\uff1a\u4e3a\u4f55\u6d6a\u6d8c\u4fdd\u62a4\u5668\u5e76\u975e\u6c38\u4e45\u6709\u6548 <strong>\u4ee5\u4e0b\u662f\u5927\u591a\u6570\u4eba\u5ffd\u7565\u7684\u4e8b\u5b9e\uff1a.<\/strong> MOV\u4f1a\u968f\u7740\u6bcf\u6b21\u6d6a\u6d8c\u4e8b\u4ef6\u800c\u8001\u5316\u3002.<\/p>\n<p>\u5b83\u4eec\u662f\u727a\u7272\u6027\u5143\u4ef6\u3002\u6bcf\u6b21MOV\u94b3\u5236\u4e00\u4e2a\u7535\u538b\u5c16\u5cf0\u65f6\uff0c\u5b83\u90fd\u4f1a\u5438\u6536\u80fd\u91cf\u5e76\u906d\u53d7\u5fae\u89c2\u6750\u6599\u635f\u8017\u3002\u5728\u7ecf\u5386\u8db3\u591f\u591a\u7684\u6d6a\u6d8c\u4e8b\u4ef6\u2014\u2014\u6216\u4e00\u6b21\u5de8\u5927\u6d6a\u6d8c\u540e\u2014\u2014MOV\u7684\u94b3\u4f4d\u7535\u538b\u4f1a\u6f02\u79fb\u5347\u9ad8\uff0c\u5176\u6f0f\u7535\u6d41\u4f1a\u589e\u52a0\uff0c\u5e76\u6700\u7ec8\u5931\u6548\u3002\u6709\u65f6\u5b83\u4f1a\u5f00\u8def\u5931\u6548\uff08\u5931\u53bb\u4fdd\u62a4\uff0c\u4f46\u63d2\u6392\u4ecd\u80fd\u4f9b\u7535\uff09\u3002\u6709\u65f6\u5b83\u4f1a\u77ed\u8def\u5931\u6548\u5e76\u89e6\u53d1\u63d2\u6392\u7684\u70ed\u7194\u65ad\u5668\uff0c\u5bfc\u81f4\u6240\u6709\u63d2\u5ea7\u5b8c\u5168\u65ad\u7535\u3002.<\/p>\n<p><strong>Nguy\u00ean t\u1eafc chung trong ng\u00e0nh:<\/strong> Thay th\u1ebf thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n sau m\u1ed7i 3\u20135 n\u0103m, ho\u1eb7c ngay l\u1eadp t\u1ee9c sau m\u1ed9t s\u1ef1 ki\u1ec7n t\u0103ng \u0111i\u1ec7n \u00e1p l\u1edbn \u0111\u00e3 bi\u1ebft (s\u00e9t \u0111\u00e1nh g\u1ea7n \u0111\u00f3, s\u1ef1 c\u1ed1 ti\u1ec7n \u00edch). M\u1ed9t s\u1ed1 ki\u1ec3u m\u00e1y cao c\u1ea5p bao g\u1ed3m \u0111\u00e8n LED \u201ctr\u1ea1ng th\u00e1i b\u1ea3o v\u1ec7\u201d t\u1eaft khi MOVs b\u1ecb h\u1ecfng; n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u00f3 \u0111\u00e8n n\u00e0y v\u00e0 n\u00f3 t\u1eaft, h\u00e3y thay th\u1ebf SPD ngay l\u1eadp t\u1ee9c.<\/p>\n<p><strong>C\u00e1i Ch\u1ebft Th\u1ea7m L\u1eb7ng<\/strong> l\u00e0 l\u00fd do t\u1ea1i sao thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n b\u1ea1n mua n\u0103m 2019 c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 m\u1ed9t \u1ed5 c\u1eafm \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng ng\u00e0y nay\u2014v\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd bi\u1ebft cho \u0111\u1ebfn khi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n b\u1ecb h\u1ecfng.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> N\u1ebfu b\u1ea1n g\u1eb7p ph\u1ea3i s\u00e9t \u0111\u00e1nh g\u1ea7n \u0111\u00f3 ho\u1eb7c \u1ed5 c\u1eafm c\u1ee7a thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n c\u1ee7a b\u1ea1n b\u1ecb ng\u1eaft \u0111i\u1ec7n trong th\u1eddi gian ng\u1eafn trong c\u01a1n b\u00e3o, h\u00e3y thay th\u1ebf thi\u1ebft b\u1ecb. C\u00e1c MOV c\u00f3 th\u1ec3 \u0111\u00e3 hy sinh \u0111\u1ec3 c\u1ee9u thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n; \u0111\u1eebng cho r\u1eb1ng ch\u00fang c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3 hai l\u1ea7n.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e2n bi\u1ec7t: \u0110\u1ecdc nh\u00e3n<\/h2>\n<p>B\u1ea1n \u0111ang \u0111\u1ee9ng \u1edf l\u1ed1i \u0111i. Hai \u1ed5 c\u1eafm s\u00e1u c\u1ed5ng tr\u01b0\u1edbc m\u1eb7t b\u1ea1n. M\u1ed9t c\u00e1i ghi \u201cthi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n\u201d, c\u00e1i kia th\u00ec kh\u00f4ng. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n x\u00e1c minh?<\/p>\n<p><strong>T\u00ecm b\u1ed1n \u0111i\u1ec1u sau tr\u00ean bao b\u00ec ho\u1eb7c tr\u00ean ch\u00ednh thi\u1ebft b\u1ecb:<\/strong><\/p>\n<h3>1. Danh s\u00e1ch UL 1449<\/h3>\n<p>N\u1ebfu nh\u00e3n ghi \u201cUL 1449\u201d ho\u1eb7c hi\u1ec3n th\u1ecb d\u1ea5u UL v\u1edbi \u201cThi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n\u201d, th\u00ec n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra nh\u01b0 m\u1ed9t SPD. \u1ed4 c\u1eafm \u0111i\u1ec7n kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea theo UL 1363 (\u1ed4 c\u1eafm \u0111i\u1ec7n di \u0111\u1ed9ng) thay th\u1ebf.<\/p>\n<h3>2. \u0110\u1ecbnh m\u1ee9c Joule<\/h3>\n<p>Joule \u0111o t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng m\u00e0 SPD c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 tr\u01b0\u1edbc khi MOVs c\u1ee7a n\u00f3 b\u1ecb h\u1ecfng. Cao h\u01a1n th\u00ec t\u1ed1t h\u01a1n, nh\u01b0ng b\u1ed1i c\u1ea3nh r\u1ea5t quan tr\u1ecdng:<\/p>\n<ul>\n<li><strong>300\u2013600 joules:<\/strong> B\u1ea3o v\u1ec7 t\u1ed1i thi\u1ec3u. Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi gi\u00e1 tr\u1ecb th\u1ea5p (\u0111\u00e8n b\u00e0n, m\u00e1y in c\u01a1 b\u1ea3n).<\/li>\n<li><strong>600\u20131.500 joules:<\/strong> B\u1ea3o v\u1ec7 v\u1eeba ph\u1ea3i. Th\u00edch h\u1ee3p cho c\u00e1c thi\u1ebft l\u1eadp v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0 (PC \u0111\u1ec3 b\u00e0n, m\u00e0n h\u00ecnh, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn).<\/li>\n<li><strong>1.500\u20133.000+ joules:<\/strong> B\u1ea3o v\u1ec7 cao. \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho c\u00e1c thi\u1ebft b\u1ecb c\u00f3 gi\u00e1 tr\u1ecb cao ho\u1eb7c nh\u1ea1y c\u1ea3m (m\u00e1y tr\u1ea1m, r\u1ea1p h\u00e1t t\u1ea1i nh\u00e0, m\u00e1y ch\u1ee7 m\u1ea1ng).<\/li>\n<\/ul>\n<p>M\u1ed9t \u1ed5 c\u1eafm \u0111i\u1ec7n c\u01a1 b\u1ea3n s\u1ebd c\u00f3 <strong>kh\u00f4ng c\u00f3 \u0111\u1ecbnh m\u1ee9c joule<\/strong> v\u00ec n\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 xung \u0111i\u1ec7n.<\/p>\n<h3>3. \u0110i\u1ec7n \u00e1p k\u1eb9p (M\u1ee9c b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p)<\/h3>\n<p>\u0110\u00e2y l\u00e0 ng\u01b0\u1ee1ng \u0111i\u1ec7n \u00e1p m\u00e0 t\u1ea1i \u0111\u00f3 SPD k\u1eb9p xung \u0111i\u1ec7n. Th\u1ea5p h\u01a1n th\u00ec t\u1ed1t h\u01a1n v\u00ec thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ch\u1ecbu \u00edt \u00e1p l\u1ef1c \u0111i\u1ec7n \u00e1p h\u01a1n.<\/p>\n<ul>\n<li><strong>330V:<\/strong> B\u1ea3o v\u1ec7 tuy\u1ec7t v\u1eddi (kh\u00f3 t\u00ecm th\u1ea5y trong c\u00e1c thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng).<\/li>\n<li><strong>400V:<\/strong> B\u1ea3o v\u1ec7 t\u1ed1t. H\u1ea7u h\u1ebft c\u00e1c SPD Lo\u1ea1i 3 ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<li><strong>500V:<\/strong> B\u1ea3o v\u1ec7 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Ph\u1ed5 bi\u1ebfn trong c\u00e1c SPD gi\u00e1 r\u1ebb.<\/li>\n<li><strong>600V+:<\/strong> B\u1ea3o v\u1ec7 bi\u00ean. Tr\u00e1nh cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m.<\/li>\n<\/ul>\n<p>M\u1ed9t l\u1ea7n n\u1eefa, m\u1ed9t \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00f3 <strong>kh\u00f4ng c\u00f3 \u0111i\u1ec7n \u00e1p k\u1eb9p<\/strong> th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00ec n\u00f3 kh\u00f4ng k\u1eb9p.<\/p>\n<h3>4. Th\u1eddi gian ph\u1ea3n h\u1ed3i<\/h3>\n<p>T\u1ed1c \u0111\u1ed9 SPD ph\u1ea3n \u1ee9ng v\u1edbi xung \u0111i\u1ec7n, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nano gi\u00e2y (ns). MOV th\u01b0\u1eddng ph\u1ea3n \u1ee9ng trong v\u00f2ng ch\u01b0a \u0111\u1ea7y 1 nano gi\u00e2y; b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 \u201c&lt; 1 ns\u201d ho\u1eb7c \u201ct\u1ee9c th\u1eddi\u201d. GDT ch\u1eadm h\u01a1n (100+ ns) nh\u01b0ng x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n cao h\u01a1n. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau d\u00f9ng, SPD d\u1ef1a tr\u00ean MOV v\u1edbi ph\u1ea3n h\u1ed3i d\u01b0\u1edbi nano gi\u00e2y l\u00e0 \u0111\u1ee7.<\/p>\n<p>\u1ed4 c\u1eafm \u0111i\u1ec7n kh\u00f4ng c\u00f3 th\u00f4ng s\u1ed1 th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00ec kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ec3 ph\u1ea3n h\u1ed3i.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> N\u1ebfu g\u00f3i li\u1ec7t k\u00ea joules, \u0111i\u1ec7n \u00e1p k\u1eb9p v\u00e0 UL 1449, th\u00ec \u0111\u00f3 l\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n. N\u1ebfu n\u00f3 ch\u1ec9 li\u1ec7t k\u00ea \u201cc\u1ea7u dao 15A\u201d v\u00e0 \u201c6 \u1ed5 c\u1eafm\u201d, th\u00ec \u0111\u00f3 l\u00e0 \u1ed5 c\u1eafm \u0111i\u1ec7n.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Key-specifications-to-look-for-when-identifying-a-real-surge-protector.webp\" alt=\"Key specifications to look for when identifying a real surge protector\"><figcaption>H\u00ecnh 1: C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh c\u1ea7n t\u00ecm khi x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n th\u1ef1c s\u1ef1. Ch\u1ee9ng nh\u1eadn UL 1449, \u0111\u1ecbnh m\u1ee9c joule, \u0111i\u1ec7n \u00e1p k\u1eb9p v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i l\u00e0 nh\u1eefng ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 ph\u00e2n bi\u1ec7t b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n th\u1ef1c s\u1ef1 v\u1edbi \u1ed5 c\u1eafm \u0111i\u1ec7n c\u01a1 b\u1ea3n.<\/figcaption><\/figure>\n<h2>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n so v\u1edbi \u1ed5 c\u1eafm \u0111i\u1ec7n<\/h2>\n<p>Kh\u00f4ng ph\u1ea3i thi\u1ebft b\u1ecb n\u00e0o c\u0169ng c\u1ea7n b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t khu\u00f4n kh\u1ed5 quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb thi\u1ebft b\u1ecb, \u0111\u1ed9 nh\u1ea1y v\u00e0 chi ph\u00ed thay th\u1ebf.<\/p>\n<h3>S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD) cho:<\/h3>\n<p><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed gi\u00e1 tr\u1ecb cao:<\/strong><\/p>\n<ul>\n<li>M\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, m\u00e1y tr\u1ea1m v\u00e0 m\u00e0n h\u00ecnh<\/li>\n<li>B\u1ed9 thu r\u1ea1p h\u00e1t t\u1ea1i nh\u00e0, TV 4K\/8K, m\u00e1y ch\u01a1i game<\/li>\n<li>Thi\u1ebft b\u1ecb m\u1ea1ng (b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, b\u1ed9 chuy\u1ec3n m\u1ea1ch, NAS, modem)<\/li>\n<li>Thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t \u00e2m thanh\/video<\/li>\n<li>Thi\u1ebft b\u1ecb y t\u1ebf ho\u1eb7c ph\u00f2ng th\u00ed nghi\u1ec7m trong v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0<\/li>\n<\/ul>\n<p><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m c\u00f3 d\u1eef li\u1ec7u g\u1eb7p r\u1ee7i ro:<\/strong><\/p>\n<ul>\n<li>M\u00e1y t\u00ednh c\u00f3 c\u00e1c t\u1ec7p kh\u00f4ng th\u1ec3 thay th\u1ebf<\/li>\n<li>\u1ed4 c\u1ee9ng ngo\u00e0i v\u00e0 m\u1ea3ng RAID<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec3m b\u00e1n h\u00e0ng, ki-\u1ed1t<\/li>\n<\/ul>\n<p><strong>C\u00e1c khu v\u1ef1c c\u00f3 s\u00e9t \u0111\u00e1nh th\u01b0\u1eddng xuy\u00ean ho\u1eb7c s\u1ef1 c\u1ed1 ti\u1ec7n \u00edch:<\/strong><\/p>\n<ul>\n<li>Nh\u00e0 \u1edf Florida, B\u1edd bi\u1ec3n v\u00f9ng V\u1ecbnh ho\u1eb7c c\u00e1c v\u00f9ng n\u00fai (t\u1ea7n su\u1ea5t s\u00e9t \u0111\u00e1nh cao)<\/li>\n<li>C\u00e1c khu v\u1ef1c n\u00f4ng th\u00f4n c\u00f3 \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i tr\u00ean kh\u00f4ng<\/li>\n<li>C\u00e1c t\u00f2a nh\u00e0 g\u1ea7n c\u00e1c c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p c\u00f3 t\u1ea3i \u0111\u1ed9ng c\u01a1 l\u1edbn (qu\u00e1 \u0111\u1ed9 \u0111i\u1ec7n \u00e1p t\u1eeb vi\u1ec7c chuy\u1ec3n m\u1ea1ch)<\/li>\n<\/ul>\n<h3>S\u1eed d\u1ee5ng \u1ed5 c\u1eafm \u0111i\u1ec7n (Kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n) cho:<\/h3>\n<p><strong>T\u1ea3i kh\u00f4ng \u0111i\u1ec7n t\u1eed, gi\u00e1 tr\u1ecb th\u1ea5p:<\/strong><\/p>\n<ul>\n<li>\u0110\u00e8n b\u00e0n, \u0111\u00e8n s\u00e0n<\/li>\n<li>Qu\u1ea1t (t\u1ed1c \u0111\u1ed9 kh\u00f4ng thay \u0111\u1ed5i)<\/li>\n<\/ul>\n<p><strong>Thi\u1ebft b\u1ecb c\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n b\u00ean trong:<\/strong><\/p>\n<ul>\n<li>B\u1ed9 s\u1ea1c \u0111i\u1ec7n tho\u1ea1i\/m\u00e1y t\u00ednh b\u1ea3ng hi\u1ec7n \u0111\u1ea1i (h\u1ea7u h\u1ebft bao g\u1ed3m MOV c\u01a1 b\u1ea3n ho\u1eb7c l\u1ecdc t\u1ee5 \u0111i\u1ec7n)<\/li>\n<li>Trung t\u00e2m s\u1ea1c USB (ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt\u2014m\u1ed9t s\u1ed1 bao g\u1ed3m b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n, m\u1ed9t s\u1ed1 th\u00ec kh\u00f4ng)<\/li>\n<\/ul>\n<p><strong>Thi\u1ebft b\u1ecb s\u01b0\u1edfi \u0111i\u1ec7n tr\u1edf (nh\u01b0ng h\u00e3y theo d\u00f5i t\u1ea3i):<\/strong><\/p>\n<ul>\n<li>M\u00e1y pha c\u00e0 ph\u00ea, l\u00f2 n\u01b0\u1edbng b\u00e1nh m\u00ec, m\u00e1y s\u01b0\u1edfi kh\u00f4ng gian\u2014<strong>ch\u1ec9 khi t\u1ed5ng t\u1ea3i lu\u00f4n d\u01b0\u1edbi 15A<\/strong> (1.800W \u1edf 120V). Nhi\u1ec1u thi\u1ebft b\u1ecb trong s\u1ed1 n\u00e0y ti\u00eau th\u1ee5 t\u1eeb 10\u201315A m\u1ed9t m\u00ecnh; kh\u00f4ng m\u1eafc n\u1ed1i ti\u1ebfp ch\u00fang ho\u1eb7c k\u1ebft h\u1ee3p ch\u00fang tr\u00ean m\u1ed9t \u1ed5 c\u1eafm.<\/li>\n<\/ul>\n<p><strong>Pro-M\u1eb9o:<\/strong> Kh\u00f4ng bao gi\u1edd c\u1eafm m\u1ed9t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n kh\u00e1c (m\u1eafc n\u1ed1i ti\u1ebfp SPD). N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u00f2ng l\u1eb7p \u0111\u1ea5t, v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c t\u1ea3i c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ea7u ti\u00ean v\u00e0 trong m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c chuy\u1ebfn \u0111i ng\u1eaft m\u1ea1ch phi\u1ec1n to\u00e1i ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 nguy c\u01a1 h\u1ecfa ho\u1ea1n. C\u1eafm SPD tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Decision-matrix-for-choosing-between-power-strip-surge-protector-and-UPS-based-on-device-type-value-and-criticality.webp\" alt=\"Decision matrix for choosing between power strip, surge protector, and UPS\"><figcaption>H\u00ecnh 3: Ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1eefa \u1ed5 c\u1eafm \u0111i\u1ec7n, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n v\u00e0 UPS d\u1ef1a tr\u00ean lo\u1ea1i thi\u1ebft b\u1ecb, gi\u00e1 tr\u1ecb v\u00e0 m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng. Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 gi\u00e1 tr\u1ecb cao y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n, trong khi thi\u1ebft b\u1ecb quan tr\u1ecdng v\u1ec1 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb UPS c\u00f3 pin d\u1ef1 ph\u00f2ng.<\/figcaption><\/figure>\n<h2>Th\u1ef1c t\u1ebf v\u1ec1 gi\u1edbi h\u1ea1n t\u1ea3i: Ampe v\u00e0 Watt r\u1ea5t quan tr\u1ecdng<\/h2>\n<p>C\u1ea3 \u1ed5 c\u1eafm \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u0111\u1ec1u c\u00f3 \u0111\u1ecbnh m\u1ee9c t\u1ea3i t\u1ed1i \u0111a, th\u01b0\u1eddng l\u00e0 <strong>15 ampe (1.800 watt \u1edf 120V)<\/strong>. \u0110\u00e2y l\u00e0 gi\u1edbi h\u1ea1n c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong v\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch c\u1ee7a \u1ed5 c\u1eafm, kh\u00f4ng ph\u1ea3i c\u00f4ng su\u1ea5t c\u1ee7a \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng.<\/p>\n<p><strong>L\u1ed7i th\u01b0\u1eddng g\u1eb7p:<\/strong> C\u1eafm s\u00e1u thi\u1ebft b\u1ecb v\u00e0o m\u1ed9t \u1ed5 c\u1eafm m\u00e0 kh\u00f4ng ki\u1ec3m tra t\u1ed5ng t\u1ea3i.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>PC ch\u01a1i game: 500W (4,2A)<\/li>\n<li>M\u00e0n h\u00ecnh (32\u2033 4K): 60W (0,5A)<\/li>\n<li>Loa ngo\u00e0i: 40W (0,3A)<\/li>\n<li>\u0110\u00e8n b\u00e0n LED: 12W (0,1A)<\/li>\n<li>S\u1ea1c \u0111i\u1ec7n tho\u1ea1i: 18W (0,15A)<\/li>\n<li>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn: 12W (0,1A)<\/li>\n<\/ul>\n<p><strong>T\u1ed5ng: 642W (5,35A)<\/strong>\u2014d\u01b0\u1edbi 15A, an to\u00e0n khi ch\u1ea1y tr\u00ean m\u1ed9t \u1ed5 c\u1eafm.<\/p>\n<p>B\u00e2y gi\u1edd h\u00e3y \u0111\u1ed5i \u0111\u00e8n b\u00e0n th\u00e0nh m\u00e1y s\u01b0\u1edfi kh\u00f4ng gian (1.500W \/ 12,5A). T\u1ed5ng m\u1edbi: 2.130W (17,75A). B\u1ea1n \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u1ed5 c\u1eafm. B\u1ed9 ng\u1eaft m\u1ea1ch s\u1ebd ng\u1eaft, ho\u1eb7c t\u1ec7 h\u01a1n, n\u1ebfu b\u1ed9 ng\u1eaft m\u1ea1ch b\u1ecb m\u00f2n ho\u1eb7c b\u1ecb l\u1ed7i, b\u1ea1n \u0111\u00e3 t\u1ea1o ra nguy c\u01a1 h\u1ecfa ho\u1ea1n.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> C\u1ed9ng t\u1ed5ng c\u00f4ng su\u1ea5t c\u1ee7a m\u1ecdi th\u1ee9 b\u1ea1n \u0111\u1ecbnh c\u1eafm v\u00e0o. Lu\u00f4n d\u01b0\u1edbi 1.440W (80% c\u1ee7a 1.800W) \u0111\u1ed1i v\u1edbi t\u1ea3i li\u00ean t\u1ee5c. Kh\u00f4ng bao gi\u1edd c\u1eafm m\u00e1y s\u01b0\u1edfi kh\u00f4ng gian, m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao kh\u00e1c v\u00e0o \u1ed5 c\u1eafm \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n\u2014h\u00e3y ch\u1ea1y ch\u00fang tr\u1ef1c ti\u1ebfp t\u1eeb \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng tr\u00ean c\u00e1c m\u1ea1ch chuy\u00ean d\u1ee5ng.<\/p>\n<h2>C\u00f2n UPS (Pin d\u1ef1 ph\u00f2ng) th\u00ec sao?<\/h2>\n<p>UPS (b\u1ed9 c\u1ea5p ngu\u1ed3n li\u00ean t\u1ee5c) k\u1ebft h\u1ee3p pin d\u1ef1 ph\u00f2ng v\u1edbi b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n. Khi ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi b\u1ecb l\u1ed7i ho\u1eb7c \u0111i\u1ec7n \u00e1p gi\u1ea3m, UPS s\u1ebd chuy\u1ec3n sang pin, gi\u1eef cho thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ee7 l\u00e2u \u0111\u1ec3 l\u01b0u c\u00f4ng vi\u1ec7c v\u00e0 t\u1eaft m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n<p><strong>Khi b\u1ea1n c\u1ea7n UPS thay v\u00ec ch\u1ec9 SPD:<\/strong><\/p>\n<ul>\n<li><strong>T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u:<\/strong> M\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, m\u00e1y ch\u1ee7, NAS\u2014b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec m\u00e0 vi\u1ec7c m\u1ea5t \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t g\u00e2y ra h\u1ecfng d\u1eef li\u1ec7u ho\u1eb7c m\u1ea5t c\u00f4ng vi\u1ec7c ch\u01b0a l\u01b0u.<\/li>\n<li><strong>Y\u00eau c\u1ea7u v\u1ec1 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng:<\/strong> V\u0103n ph\u00f2ng t\u1ea1i nh\u00e0 trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c t\u1eeb xa, thi\u1ebft b\u1ecb y t\u1ebf (m\u00e1y CPAP), h\u1ec7 th\u1ed1ng an ninh.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u1ee5t \u00e1p\/\u0111i\u1ec7n \u00e1p th\u1ea5p:<\/strong> Khu v\u1ef1c c\u00f3 ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi kh\u00f4ng \u1ed5n \u0111\u1ecbnh. SPD b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c \u0111\u1ed9t bi\u1ebfn; C\u00e1c thi\u1ebft b\u1ecb UPS c\u0169ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 s\u1ee5t gi\u1ea3m v\u00e0 m\u1ea5t \u0111i\u1ec7n ng\u1eafn.<\/li>\n<\/ul>\n<p><strong>Khi ch\u1ec9 c\u1ea7n SPD l\u00e0 \u0111\u1ee7:<\/strong><\/p>\n<ul>\n<li>M\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh b\u1ea3ng, \u0111i\u1ec7n tho\u1ea1i (ch\u00fang c\u00f3 pin b\u00ean trong).<\/li>\n<li>TV, m\u00e1y ch\u01a1i game, thi\u1ebft b\u1ecb ph\u00e1t tr\u1ef1c tuy\u1ebfn\u2014b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb, nh\u01b0ng m\u1ea5t \u0111i\u1ec7n ng\u1eafn ch\u1ec9 c\u00f3 ngh\u0129a l\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/li>\n<li>Thi\u1ebft b\u1ecb m\u1ea1ng n\u1ebfu b\u1ea1n \u1ed5n v\u1edbi vi\u1ec7c m\u1ea5t internet trong th\u1eddi gian ng\u1eafn.<\/li>\n<\/ul>\n<p>H\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb UPS \u0111\u1ec1u bao g\u1ed3m b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n (th\u01b0\u1eddng l\u00e0 300\u20131.000 joules) nh\u01b0 m\u1ed9t t\u00ednh n\u0103ng t\u00edch h\u1ee3p. <strong>Kh\u00f4ng c\u1eafm UPS v\u00e0o thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i<\/strong>\u2014UPS ph\u1ea3i c\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o t\u01b0\u1eddng. B\u1ea1n c\u00f3 th\u1ec3 c\u1eafm c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng quan tr\u1ecdng (m\u00e0n h\u00ecnh, loa) v\u00e0o c\u00e1c \u1ed5 c\u1eafm \u201cch\u1ec9 ch\u1ed1ng s\u00e9t lan truy\u1ec1n\u201d c\u1ee7a UPS (n\u1ebfu c\u00f3) ho\u1eb7c v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n ri\u00eang bi\u1ec7t tr\u00ean m\u1ed9t m\u1ea1ch t\u01b0\u1eddng kh\u00e1c.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> \u0110\u1ecbnh c\u1ee1 UPS c\u1ee7a b\u1ea1n cho th\u1eddi gian ch\u1ea1y, kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n. M\u1ed9t UPS 600VA c\u00f3 th\u1ec3 gi\u1eef cho m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n + m\u00e0n h\u00ecnh 300W ho\u1ea1t \u0111\u1ed9ng trong 5\u201310 ph\u00fat (\u0111\u1ee7 \u0111\u1ec3 l\u01b0u v\u00e0 t\u1eaft); m\u1ed9t thi\u1ebft b\u1ecb 1500VA c\u00f3 th\u1ec3 cung c\u1ea5p cho b\u1ea1n 20\u201330 ph\u00fat. Ki\u1ec3m tra bi\u1ec3u \u0111\u1ed3 th\u1eddi gian ch\u1ea1y c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho t\u1ea3i c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<h2>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n to\u00e0n nh\u00e0: SPD lo\u1ea1i 1 &amp; lo\u1ea1i 2<\/h2>\n<p>N\u1ebfu b\u1ea1n s\u1ed1ng \u1edf khu v\u1ef1c d\u1ec5 b\u1ecb s\u00e9t \u0111\u00e1nh ho\u1eb7c c\u00f3 thi\u1ebft b\u1ecb gi\u00e1 tr\u1ecb cao trong nh\u00e0, h\u00e3y c\u00e2n nh\u1eafc <strong>thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n to\u00e0n nh\u00e0<\/strong> \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 SPD lo\u1ea1i 1 ho\u1eb7c lo\u1ea1i 2 theo UL 1449, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho d\u00f2ng \u0111i\u1ec7n t\u0103ng v\u1ecdt cao h\u01a1n nhi\u1ec1u (40 kA \u0111\u1ebfn 100 kA tr\u1edf l\u00ean) so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i 3 t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng.<\/p>\n<p><strong>SPD to\u00e0n nh\u00e0 l\u00e0m g\u00ec:<\/strong><\/p>\n<ul>\n<li>K\u1eb9p c\u00e1c xung \u0111i\u1ec7n \u0111i v\u00e0o qua \u0111\u01b0\u1eddng d\u00e2y d\u1ecbch v\u1ee5 ti\u1ec7n \u00edch tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn c\u00e1c m\u1ea1ch nh\u00e1nh.<\/li>\n<li>B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u00f3 d\u00e2y c\u1ee9ng (HVAC, m\u00e1y b\u01a1m gi\u1ebfng, b\u1ed9 m\u1edf c\u1eeda \u0433\u0430\u0440\u0430\u0436) m\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 c\u1eafm v\u00e0o \u1ed5 c\u1eafm.<\/li>\n<li>Cung c\u1ea5p tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean; gh\u00e9p n\u1ed1i v\u1edbi SPD lo\u1ea1i 3 t\u1ea1i thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m \u0111\u1ec3 b\u1ea3o v\u1ec7 nhi\u1ec1u l\u1edbp.<\/li>\n<\/ul>\n<p><strong>Chi ph\u00ed c\u1ee7a ch\u00fang:<\/strong><\/p>\n<ul>\n<li>Thi\u1ebft b\u1ecb: 150\u2013500 \u0111\u00f4 la t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ecbnh m\u1ee9c t\u0103ng v\u1ecdt v\u00e0 c\u00e1c t\u00ednh n\u0103ng (m\u1ed9t s\u1ed1 bao g\u1ed3m b\u1ed9 \u0111\u1ebfm t\u0103ng v\u1ecdt, \u0111\u00e8n LED ch\u1ea9n \u0111o\u00e1n ho\u1eb7c gi\u00e1m s\u00e1t t\u1eeb xa).<\/li>\n<li>L\u1eafp \u0111\u1eb7t: 200\u2013500 \u0111\u00f4 la cho m\u1ed9t th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p \u0111\u1ec3 l\u1eafp \u0111\u1eb7t t\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p><strong>Khi n\u00e0o n\u00ean xem x\u00e9t SPD to\u00e0n nh\u00e0:<\/strong><\/p>\n<ul>\n<li>B\u1ea1n s\u1ed1ng \u1edf Florida, B\u1edd bi\u1ec3n V\u1ecbnh ho\u1eb7c c\u00e1c khu v\u1ef1c c\u00f3 nhi\u1ec1u s\u00e9t kh\u00e1c (h\u01a1n 25 ng\u00e0y gi\u00f4ng b\u00e3o m\u1ed7i n\u0103m).<\/li>\n<li>B\u1ea1n \u0111\u00e3 t\u1eebng b\u1ecb h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb do t\u0103ng v\u1ecdt trong qu\u00e1 kh\u1ee9.<\/li>\n<li>B\u1ea1n c\u00f3 thi\u1ebft b\u1ecb gi\u00e1 tr\u1ecb cao ho\u1eb7c kh\u00f3 thay th\u1ebf (t\u1ef1 \u0111\u1ed9ng h\u00f3a gia \u0111\u00ecnh, bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, b\u1ed9 s\u1ea1c EV).<\/li>\n<li>B\u1ea3o hi\u1ec3m nh\u00e0 c\u1ee7a b\u1ea1n cung c\u1ea5p gi\u1ea3m gi\u00e1 cho b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n (m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p c\u00f3).<\/li>\n<\/ul>\n<p><strong>Pro-M\u1eb9o:<\/strong> SPD to\u00e0n nh\u00e0 kh\u00f4ng thay th\u1ebf cho SPD t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m. N\u0103ng l\u01b0\u1ee3ng s\u00e9t c\u00f3 th\u1ec3 \u0111i v\u00e0o qua nhi\u1ec1u \u0111\u01b0\u1eddng (\u0111\u01b0\u1eddng d\u00e2y ti\u1ec7n \u00edch, c\u00e1p \u0111\u1ed3ng tr\u1ee5c TV, \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i) v\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn nhi\u1ec1u l\u1edbp mang l\u1ea1i s\u1ef1 b\u1ea3o v\u1ec7 t\u1ed1t nh\u1ea5t. L\u1eafp \u0111\u1eb7t SPD lo\u1ea1i 2 t\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n, sau \u0111\u00f3 s\u1eed d\u1ee5ng SPD lo\u1ea1i 3 t\u1ea1i thi\u1ebft b\u1ecb quan tr\u1ecdng.<\/p>\n<h2>Danh s\u00e1ch ki\u1ec3m tra thay th\u1ebf: Khi n\u00e0o n\u00ean mua thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n m\u1edbi<\/h2>\n<p>Thay th\u1ebf thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n c\u1ee7a b\u1ea1n n\u1ebfu b\u1ea5t k\u1ef3 \u0111i\u1ec1u n\u00e0o sau \u0111\u00e2y \u00e1p d\u1ee5ng:<\/p>\n<ol>\n<li><strong>Tu\u1ed5i:<\/strong> N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c 3\u20135 n\u0103m tu\u1ed5i, ngay c\u1ea3 khi n\u00f3 c\u00f3 v\u1ebb ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. S\u1ef1 suy gi\u1ea3m MOV l\u00e0 t\u00edch l\u0169y v\u00e0 v\u00f4 h\u00ecnh.<\/li>\n<li><strong>S\u1ef1 ki\u1ec7n sau t\u0103ng v\u1ecdt:<\/strong> B\u1ea1n \u0111\u00e3 tr\u1ea3i qua m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng s\u00e9t g\u1ea7n \u0111\u00f3, ho\u1eb7c c\u00e1c \u1ed5 c\u1eafm c\u1ee7a SPD \u0111\u00e3 t\u1eaft trong th\u1eddi gian ng\u1eafn trong m\u1ed9t c\u01a1n b\u00e3o.<\/li>\n<li><strong>\u0110\u00e8n LED b\u1ea3o v\u1ec7 t\u1eaft:<\/strong> N\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u00f3 ch\u1ec9 b\u00e1o \u201c\u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7\u201d ho\u1eb7c \u201c\u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t\u201d t\u00e1ch bi\u1ec7t v\u1edbi \u0111\u00e8n LED ngu\u1ed3n v\u00e0 n\u00f3 t\u1eaft ho\u1eb7c m\u00e0u \u0111\u1ecf, th\u00ec MOV \u0111\u00e3 b\u1ecb h\u1ecfng.<\/li>\n<li><strong>H\u01b0 h\u1ecfng v\u1eadt l\u00fd:<\/strong> V\u1ebft ch\u00e1y, nh\u1ef1a n\u00f3ng ch\u1ea3y ho\u1eb7c ch\u00e1y x\u00e9m g\u1ea7n \u1ed5 c\u1eafm ho\u1eb7c d\u00e2y \u0111i\u1ec7n.<\/li>\n<li><strong>\u1ed4 c\u1eafm b\u1ecb m\u1ea5t \u0111i\u1ec7n kh\u00f4ng li\u00ean t\u1ee5c:<\/strong> H\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong ho\u1eb7c suy gi\u1ea3m b\u1ed9 ng\u1eaft m\u1ea1ch.<\/li>\n<\/ol>\n<p><strong>Pro-M\u1eb9o:<\/strong> Vi\u1ebft ng\u00e0y l\u1eafp \u0111\u1eb7t l\u00ean thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n b\u1eb1ng b\u00fat \u0111\u00e1nh d\u1ea5u v\u0129nh vi\u1ec5n. \u0110\u1eb7t l\u1eddi nh\u1eafc tr\u00ean l\u1ecbch sau 3 n\u0103m \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 vi\u1ec7c thay th\u1ebf. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng, h\u00e3y thay th\u1ebf sau m\u1ed7i 3 n\u0103m; \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft l\u1eadp \u00edt quan tr\u1ecdng h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn 5 n\u0103m n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 ki\u1ec7n t\u0103ng \u0111i\u1ec7n \u00e1p l\u1edbn n\u00e0o \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn.<\/p>\n<h2>Danh s\u00e1ch ki\u1ec3m tra an to\u00e0n: Nh\u1eefng \u0111i\u1ec1u kh\u00f4ng n\u00ean l\u00e0m<\/h2>\n<p><strong>\u274c Kh\u00f4ng bao gi\u1edd m\u1eafc n\u1ed1i ti\u1ebfp c\u00e1c \u1ed5 c\u1eafm \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n.<\/strong> C\u1eafm ch\u00fang tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng. M\u1eafc n\u1ed1i ti\u1ebfp t\u1ea1o ra nguy c\u01a1 qu\u00e1 t\u1ea3i, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u00f2ng l\u1eb7p \u0111\u1ea5t v\u00e0 nguy c\u01a1 h\u1ecfa ho\u1ea1n. N\u00f3 c\u0169ng b\u1ecb c\u1ea5m theo B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia (NEC) \u1edf nhi\u1ec1u c\u01a1 s\u1edf th\u01b0\u01a1ng m\u1ea1i v\u00e0 vi ph\u1ea1m h\u1ea7u h\u1ebft c\u00e1c danh s\u00e1ch s\u1ea3n ph\u1ea9m.<\/p>\n<p><strong>\u274c Kh\u00f4ng bao gi\u1edd c\u1eafm c\u00e1c thi\u1ebft b\u1ecb c\u00f3 d\u00f2ng \u0111i\u1ec7n cao v\u00e0o \u1ed5 c\u1eafm \u0111i\u1ec7n ho\u1eb7c SPD.<\/strong> M\u00e1y s\u01b0\u1edfi, m\u00e1y \u0111i\u1ec1u h\u00f2a c\u1eeda s\u1ed5, m\u00e1y s\u1ea5y t\u00f3c, l\u00f2 vi s\u00f3ng v\u00e0 c\u00e1c t\u1ea3i \u0111i\u1ec7n tr\u1edf ho\u1eb7c \u0111\u1ed9ng c\u01a1 kh\u00e1c ti\u00eau th\u1ee5 qu\u00e1 nhi\u1ec1u d\u00f2ng \u0111i\u1ec7n. Ch\u1ea1y ch\u00fang t\u1eeb c\u00e1c \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng chuy\u00ean d\u1ee5ng.<\/p>\n<p><strong>\u274c Kh\u00f4ng bao gi\u1edd che ho\u1eb7c bao b\u1ecdc \u1ed5 c\u1eafm \u0111i\u1ec7n\/SPD.<\/strong> Ch\u00fang t\u1ea1o ra nhi\u1ec7t khi c\u00f3 t\u1ea3i; ch\u1eb7n th\u00f4ng gi\u00f3 c\u00f3 th\u1ec3 g\u00e2y qu\u00e1 nhi\u1ec7t v\u00e0 h\u1ecfa ho\u1ea1n.<\/p>\n<p><strong>\u274c Kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng \u1ed5 c\u1eafm \u0111i\u1ec7n\/SPD b\u1ecb h\u1ecfng.<\/strong> D\u00e2y b\u1ecb s\u1eddn, v\u1ecf b\u1ecb n\u1ee9t, \u1ed5 c\u1eafm b\u1ecb l\u1ecfng ho\u1eb7c v\u1ebft ch\u00e1y c\u00f3 ngh\u0129a l\u00e0 ph\u1ea3i thay th\u1ebf ngay l\u1eadp t\u1ee9c.<\/p>\n<p><strong>\u274c Kh\u00f4ng bao gi\u1edd cho r\u1eb1ng \u0111\u00e8n xanh c\u00f3 ngh\u0129a l\u00e0 b\u1ea3o v\u1ec7 \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/strong> Nhi\u1ec1u SPD hi\u1ec3n th\u1ecb \u0111\u00e8n LED ngu\u1ed3n m\u00e0u xanh l\u00e1 c\u00e2y ngay c\u1ea3 khi MOVs \u0111\u00e3 b\u1ecb h\u1ecfng. T\u00ecm \u0111\u00e8n LED \u201cb\u1ea3o v\u1ec7\u201d ho\u1eb7c \u201cti\u1ebfp \u0111\u1ea5t\u201d chuy\u00ean d\u1ee5ng ho\u1eb7c tu\u00e2n theo quy t\u1eafc thay th\u1ebf 3\u20135 n\u0103m.<\/p>\n<p><strong>Pro-M\u1eb9o:<\/strong> Hi\u1ec7p h\u1ed9i Ph\u00f2ng ch\u00e1y Ch\u1eefa ch\u00e1y Qu\u1ed1c gia (NFPA) v\u00e0 UL \u0111\u1ec1u khuy\u1ebfn ngh\u1ecb kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng \u1ed5 c\u1eafm \u0111i\u1ec7n l\u00e0m gi\u1ea3i ph\u00e1p \u0111i d\u00e2y v\u0129nh vi\u1ec5n. N\u1ebfu b\u1ea1n c\u1ea7n th\u00eam \u1ed5 c\u1eafm trong ph\u00f2ng, h\u00e3y thu\u00ea th\u1ee3 \u0111i\u1ec7n l\u1eafp \u0111\u1eb7t th\u00eam \u1ed5 c\u1eafm. \u1ed4 c\u1eafm \u0111i\u1ec7n v\u00e0 SPD \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c thi\u1ebft b\u1ecb t\u1ea1m th\u1eddi ho\u1eb7c linh ho\u1ea1t, kh\u00f4ng thay th\u1ebf cho h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n t\u00f2a nh\u00e0 ph\u00f9 h\u1ee3p.<\/p>\n<h2>C\u00e1ch Thi\u1ebft B\u1ecb B\u1ea3o V\u1ec7 Ch\u1ed1ng S\u00e9t Lan Truy\u1ec1n VIOX Cung C\u1ea5p Kh\u1ea3 N\u0103ng B\u1ea3o V\u1ec7 \u0110\u00e1ng Tin C\u1eady<\/h2>\n<p>T\u1ea1i VIOX, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n theo ti\u00eau chu\u1ea9n IEC 61643-11 v\u00e0 UL 1449 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, th\u01b0\u01a1ng m\u1ea1i v\u00e0 d\u00e2n d\u1ee5ng kh\u1eaft khe. Danh m\u1ee5c SPD c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Lo\u1ea1i 2 SPDs<\/strong> cho c\u00e1c b\u1ea3ng ph\u00e2n ph\u1ed1i v\u00e0 b\u1ea3ng ph\u1ee5 (g\u1eafn DIN-rail, d\u00f2ng \u0111i\u1ec7n xung t\u1eeb 40 kA \u0111\u1ebfn 100 kA).<\/li>\n<li><strong>Lo\u1ea1i 3 SPDs<\/strong> \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111i\u1ec3m s\u1eed d\u1ee5ng trong t\u1ee7 \u0111i\u1ec1u khi\u1ec3n, ph\u00f2ng m\u00e1y ch\u1ee7 v\u00e0 gi\u00e1 \u0111\u1ee1 thi\u1ebft b\u1ecb.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf SPD Hybrid<\/strong> k\u1ebft h\u1ee3p MOVs v\u1edbi GDT \u0111\u1ec3 ph\u1ed1i h\u1ee3p n\u0103ng l\u01b0\u1ee3ng cao v\u00e0 tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n.<\/li>\n<li><strong>T\u00f9y ch\u1ecdn gi\u00e1m s\u00e1t t\u1eeb xa<\/strong> v\u1edbi \u0111\u1ea7u ra ti\u1ebfp \u0111i\u1ec3m kh\u00f4 \u0111\u1ec3 t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 (bi\u1ebft khi n\u00e0o SPD \u0111\u00e3 h\u1ebft tu\u1ed5i th\u1ecd tr\u01b0\u1edbc khi thi\u1ebft b\u1ecb b\u1ecb h\u1ecfng).<\/li>\n<\/ul>\n<p>M\u1ecdi SPD VIOX \u0111\u1ec1u bao g\u1ed3m ch\u1ec9 b\u00e1o tr\u1ea1ng th\u00e1i b\u1ea3o v\u1ec7 r\u00f5 r\u00e0ng\u2014b\u1ea1n s\u1ebd bi\u1ebft khi n\u00e0o c\u1ea7n thay th\u1ebf. V\u00e0 kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c \u1ed5 c\u1eafm \u0111i\u1ec7n c\u1ea5p ti\u00eau d\u00f9ng v\u1edbi c\u00e1c tuy\u00ean b\u1ed1 \u201cjoule\u201d m\u01a1 h\u1ed3, b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p d\u1eef li\u1ec7u ki\u1ec3m tra \u0111\u1ea7y \u0111\u1ee7: m\u1ee9c b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p \u0111o \u0111\u01b0\u1ee3c (\u0111i\u1ec7n \u00e1p k\u1eb9p), d\u00f2ng \u0111i\u1ec7n x\u1ea3 t\u1ed1i \u0111a (I_max), d\u00f2ng \u0111i\u1ec7n x\u1ea3 danh \u0111\u1ecbnh (I_n), kh\u1ea3 n\u0103ng ch\u1ecbu qu\u00e1 \u0111i\u1ec7n \u00e1p t\u1ea1m th\u1eddi (TOV) v\u00e0 \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch (I_SCC).<\/p>\n<p>Cho d\u00f9 b\u1ea1n \u0111ang b\u1ea3o v\u1ec7 m\u1ed9t m\u00e1y tr\u1ea1m duy nh\u1ea5t hay to\u00e0n b\u1ed9 c\u01a1 s\u1edf, SPD VIOX \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho c\u00e1c k\u1ef9 s\u01b0 y\u00eau c\u1ea7u t\u00ednh minh b\u1ea1ch, kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n<h2>Nh\u1eefng \u0110i\u1ec1u Quan Tr\u1ecdng Cu\u1ed1i C\u00f9ng<\/h2>\n<p><strong>\u1ed4 c\u1eafm \u0111i\u1ec7n<\/strong> cung c\u1ea5p m\u1edf r\u1ed9ng \u1ed5 c\u1eafm. Kh\u00f4ng h\u01a1n. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb th\u1ea5p\u2014\u0111\u00e8n, b\u1ed9 s\u1ea1c, m\u00e1y pha c\u00e0 ph\u00ea\u2014nh\u01b0ng kh\u00f4ng cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c \u0111\u1ed9t bi\u1ebfn \u0111i\u1ec7n \u00e1p.<\/p>\n<p><strong>Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/strong> (SPD) th\u00eam MOVs ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n phi tuy\u1ebfn t\u00ednh kh\u00e1c \u0111\u1ec3 k\u1eb9p c\u00e1c qu\u00e1 \u0111\u1ed9 v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft cho m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb m\u1ea1ng, h\u1ec7 th\u1ed1ng r\u1ea1p h\u00e1t t\u1ea1i nh\u00e0 v\u00e0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed n\u00e0o b\u1ea1n kh\u00f4ng th\u1ec3 thay th\u1ebf. Nh\u01b0ng ch\u00fang kh\u00f4ng t\u1ed3n t\u1ea1i m\u00e3i m\u00e3i\u2014MOVs xu\u1ed1ng c\u1ea5p theo t\u1eebng s\u1ef1 ki\u1ec7n t\u0103ng \u0111i\u1ec7n \u00e1p v\u00e0 h\u1ea7u h\u1ebft c\u00e1c SPD n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf sau m\u1ed7i 3\u20135 n\u0103m.<\/p>\n<p><strong>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n th\u1ef1c s\u1ef1<\/strong>, h\u00e3y t\u00ecm danh s\u00e1ch UL 1449, \u0111\u1ecbnh m\u1ee9c joule v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111i\u1ec7n \u00e1p k\u1eb9p. N\u1ebfu nh\u1eefng th\u1ee9 \u0111\u00f3 kh\u00f4ng c\u00f3 tr\u00ean bao b\u00ec, b\u1ea1n \u0111ang c\u1ea7m m\u1ed9t \u1ed5 c\u1eafm \u0111i\u1ec7n.<\/p>\n<p><strong>\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb quan tr\u1ecdng v\u1ec1 d\u1eef li\u1ec7u ho\u1eb7c nh\u1ea1y c\u1ea3m v\u1edbi th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/strong>, h\u00e3y c\u00e2n nh\u1eafc UPS (pin d\u1ef1 ph\u00f2ng + b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n) thay v\u00ec SPD \u0111\u1ed9c l\u1eadp. \u0110\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0 \u1edf c\u00e1c khu v\u1ef1c d\u1ec5 b\u1ecb s\u00e9t \u0111\u00e1nh, h\u00e3y l\u1eafp \u0111\u1eb7t SPD Lo\u1ea1i 2 t\u1ea1i b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u00e0 x\u1ebfp l\u1edbp v\u1edbi SPD Lo\u1ea1i 3 t\u1ea1i c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m.<\/p>\n<p><strong>Kh\u00f4ng bao gi\u1edd m\u1eafc n\u1ed1i ti\u1ebfp c\u00e1c \u1ed5 c\u1eafm \u0111i\u1ec7n ho\u1eb7c SPD, kh\u00f4ng bao gi\u1edd l\u00e0m qu\u00e1 t\u1ea3i ch\u00fang v\u00e0 kh\u00f4ng bao gi\u1edd c\u1eafm c\u00e1c thi\u1ebft b\u1ecb c\u00f3 d\u00f2ng \u0111i\u1ec7n cao.<\/strong> Tu\u00e2n theo gi\u1edbi h\u1ea1n t\u1ea3i 15A (1.800W) v\u00e0 khi nghi ng\u1edd, h\u00e3y ch\u1ea1y c\u00e1c m\u1ea1ch chuy\u00ean d\u1ee5ng cho thi\u1ebft b\u1ecb c\u00f3 c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 cao.<\/p>\n<p>Kho\u1ea3n \u0111\u1ea7u t\u01b0 nh\u1ecf v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n th\u1ef1c s\u1ef1\u2014\u0111\u01b0\u1ee3c thay th\u1ebf sau v\u00e0i n\u0103m\u2014c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m h\u00e0ng ngh\u00ecn \u0111\u00f4 la chi ph\u00ed thay th\u1ebf thi\u1ebft b\u1ecb v\u00e0 nh\u1eefng ng\u00e0y l\u00e0m vi\u1ec7c b\u1ecb m\u1ea5t n\u0103ng su\u1ea5t. H\u00e3y l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t, thay th\u1ebf ch\u1ee7 \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n s\u1ebd c\u1ea3m \u01a1n b\u1ea1n.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Walk into any electronics store and you&#8217;ll see dozens of six-outlet strips. Half say &#8220;surge protector&#8221; on the box. The other half don&#8217;t. The price difference? Maybe $10. The protection difference? Everything. That $15 power strip from the drugstore\u2014the one your $2,400 computer is plugged into\u2014offers zero protection against voltage spikes. And that &#8220;surge protector&#8221; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20511,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=20508"}],"version-history":[{"count":7,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20508\/revisions"}],"predecessor-version":[{"id":20525,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20508\/revisions\/20525"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/20511"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=20508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=20508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=20508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}