{"id":3844,"date":"2019-06-24T18:39:22","date_gmt":"2019-06-24T10:39:22","guid":{"rendered":"http:\/\/www.tmepe.com\/?p=3844"},"modified":"2019-07-01T10:42:25","modified_gmt":"2019-07-01T02:42:25","slug":"%e4%bd%8e%e5%8e%8b%e9%85%8d%e7%94%b5%e6%9f%9c%e4%b8%ad%e4%b8%bb%e6%af%8d%e7%ba%bf%e8%bd%bd%e8%8d%b7%e5%ae%b9%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.tmepe.com\/news\/baike\/3844.html","title":{"rendered":"\u4f4e\u538b\u914d\u7535\u67dc\u4e2d\u4e3b\u6bcd\u7ebf\u8f7d\u8377\u5bb9\u91cf"},"content":{"rendered":"<p>\u4f4e\u538b\u914d\u7535\u67dc\u4e2d\u7684\u4e3b\u6bcd\u7ebf\uff0c\u62c5\u4efb\u4e86\u7535\u6d41\u5206\u914d\u7684\u4efb\u52a1\u3002<br \/>\n\u8bbe\u8ba1\u4e3b\u6bcd\u7ebf\u7684\u89c4\u683c\u65f6\uff0c\u9700\u8981\u8003\u8651\u5230\u5982\u4e0b\u51e0\u4e2a\u91cd\u8981\u56e0\u7d20\uff1a<br \/>\n\u7b2c\u4e00\uff1a\u4e3b\u6bcd\u7ebf\u7684\u989d\u5b9a\u7535\u6d41\u3002<br \/>\n\u4e3b\u6bcd\u7ebf\u7684\u989d\u5b9a\u7535\u6d41\u4e0e\u5b9e\u9645\u8d1f\u8f7d\u7535\u6d41\u76f8\u5173\uff0c\u4e0e\u5f00\u5173\u67dc\u7684\u6e29\u5347\u5bc6\u5207\u76f8\u5173\u3002<br \/>\n\u7b2c\u4e8c\uff1a\u4e3b\u6bcd\u7ebf\u7684\u52a8\u70ed\u7a33\u5b9a\u6027\u3002<br \/>\n\u4e3b\u6bcd\u7ebf\u7684\u52a8\u3001\u70ed\u7a33\u5b9a\u6027\u5c31\u662f\u4f4e\u538b\u5f00\u5173\u67dc\u7684\u52a8\u3001\u70ed\u7a33\u5b9a\u6027\u3002\u52a8\u7a33\u5b9a\u6027\u6307\u7684\u662f\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u7535\u6d41\uff0c\u5b83\u5fc5\u987b\u5927\u4e8e\u7cfb\u7edf\u7684\u51b2\u51fb\u77ed\u8def\u7535\u6d41\u5cf0\u503c\uff1b\u70ed\u7a33\u5b9a\u6027\u6307\u7684\u662f\u77ed\u65f6\u8010\u53d7\u7535\u6d41\uff0c\u5b83\u7cfb\u6570\u7b49\u4e8e\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u9664\u4ee5\u5cf0\u503cn\u3002<br \/>\n===================<br \/>\n\u6211\u4eec\u6765\u770b\u4e0b\u56fe\uff1a<\/p>\n<figure>&amp;amp;lt;img src=&#8221;https:\/\/pic3.zhimg.com\/50\/42f9e597d1681f6250d13ad6d17dc361_hd.jpg&#8221; data-rawwidth=&#8221;651&#8243; data-rawheight=&#8221;568&#8243; class=&#8221;origin_image zh-lightbox-thumb&#8221; width=&#8221;651&#8243; data-original=&#8221;https:\/\/pic3.zhimg.com\/42f9e597d1681f6250d13ad6d17dc361_r.jpg&#8221;&amp;amp;gt;<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3845\" src=\"https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/42f9e597d1681f6250d13ad6d17dc361_hd.jpg\" alt=\"\" width=\"651\" height=\"568\" srcset=\"https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/42f9e597d1681f6250d13ad6d17dc361_hd.jpg 651w, https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/42f9e597d1681f6250d13ad6d17dc361_hd-300x262.jpg 300w, https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/42f9e597d1681f6250d13ad6d17dc361_hd-458x400.jpg 458w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/figure>\n<p><b>\u5148\u770b\u56fe1\uff1a<\/b><br \/>\n\u56fe\u4e2d\u7684\u53d8\u538b\u5668\u5bb9\u91cf\u4e3a2000kVA\u3002\u8bbe\u53d8\u538b\u5668\u7684\u963b\u6297\u7535\u538b\u662f6%\uff0c\u4e8e\u662f\u6709\uff1a<br \/>\n\u53d8\u538b\u5668\u7684\u989d\u5b9a\u7535\u6d41\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7Bn%7D+%3D%5Cfrac%7BS_%7Bn%7D+%7D%7B%5Csqrt%7B3%7DU_%7Bd%7D++%7D+%3D%5Cfrac%7B2000%5Ctimes+10%5E%7B3%7D+%7D%7B1.732%5Ctimes+400%7D+%5Capprox+2887A\" alt=\"I_{n} =\\frac{S_{n} }{\\sqrt{3}U_{d}  } =\\frac{2000\\times 10^{3} }{1.732\\times 400} \\approx 2887A\" \/><br \/>\n\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7BK%7D+%3D%5Cfrac%7BI_%7Bn%7D+%7D%7BU_%7BK%7D+%7D+%3D%5Cfrac%7B2887%5Ctimes+10%5E%7B-3%7D+%7D%7B0.06%7D+%5Capprox+48.1kA\" alt=\"I_{K} =\\frac{I_{n} }{U_{K} } =\\frac{2887\\times 10^{-3} }{0.06} \\approx 48.1kA\" \/><br \/>\n\u53d8\u538b\u5668\u7684\u51b2\u51fb\u77ed\u8def\u7535\u6d41\u5cf0\u503c\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7BPK%7D+%3DnI_%7BK%7D+%3D2.1%5Ctimes+48.1%5Capprox+101kA\" alt=\"I_{PK} =nI_{K} =2.1\\times 48.1\\approx 101kA\" \/><br \/>\n\u56e0\u6b64\uff0c\u6211\u4eec\u9009\u62e9\u7684\u4f4e\u538b\u5f00\u5173\u67dc\uff0c\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u5fc5\u987b\u5927\u4e8e101kA\uff0c\u53d6\u4e3a105kA\uff1b\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u77ed\u65f6\u8010\u53d7\u7535\u6d41\u4e3a\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=%5Cfrac%7B105%7D%7B2.1%7D+%3D50kA\" alt=\"\\frac{105}{2.1} =50kA\" \/><br \/>\n\u5f00\u5173\u67dc\u7684\u52a8\u70ed\u7a33\u5b9a\u6027\u4e0e\u5f00\u5173\u67dc\u7684\u7ed3\u6784\u5173\u7cfb\u5bc6\u5207\uff0c\u5e76\u4e14\u7531\u8be5\u67dc\u578b\u7684\u578b\u5f0f\u8bd5\u9a8c\u552f\u4e00\u51b3\u5b9a\u3002<br \/>\n\u6211\u4eec\u6765\u770b\u56fe1\u7684\u60c5\u51b5\uff1a<br \/>\n1\uff09\u7531\u4e8e\u53d7\u7535\u7aef\u5728\u6bcd\u7ebf\u7684\u4e2d\u95f4\uff0c\u56e0\u6b64\u8fd0\u884c\u7535\u6d41\u6d41\u52a8\u65b9\u5411\u4ece\u4e2d\u95f4\u6307\u5411\u5411\u4e24\u4fa7\u3002<br \/>\n2\uff09\u6bcd\u7ebf\u7535\u6d41\u6700\u5927\u4e4b\u5904\u5728\u4e2d\u95f4\u53d7\u7535\u5904\uff0c\u4e24\u4fa7\u7aef\u70b9\u4e3a\u7535\u6d41\u6700\u5c0f\u5904\u3002<br \/>\n3\uff09\u6bcd\u7ebf\u4efb\u4f55\u4e00\u5904\u53d1\u751f\u77ed\u8def\u65f6\uff0c\u77ed\u8def\u7535\u6d41\u7b49\u4e8e\u7cfb\u7edf\u77ed\u8def\u7535\u6d41<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7BK%7D+\" alt=\"I_{K} \" \/><br \/>\n4\uff09\u4e00\u822c\u5730\uff0c\u914d\u7535\u67dc\u4e2d\u7684\u6bcd\u7ebf\u622a\u9762\u53c2\u6570\u662f\u6309\u53d8\u538b\u5668\u989d\u5b9a\u7535\u6d41\u6765\u8bbe\u8ba1\u7684\uff0c\u56e0\u6b64\u56fe\u793a\u7cfb\u7edf\u7684\u6bcd\u7ebf\u622a\u9762\u5141\u8bb8\u627f\u8f7d\u7684\u989d\u5b9a\u7535\u6d41\u503c\u5e94\u5f53\u662f3000A\u3002<br \/>\n\u5728\u672c\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u8003\u8651\u91c7\u75282500A\u4e3b\u6bcd\u7ebf\u3002\u4f46\u6761\u4ef6\u662f\uff1a\u9009\u75282500A\u7cfb\u7edf\u6bcd\u7ebf\u540e\uff0c\u6574\u67dc\u7684\u5cf0\u503c\u8010\u53d7\u548c\u77ed\u65f6\u8010\u53d7\u5fc5\u987b\u6ee1\u8db3105kA\u548c50kA\u7684\u8981\u6c42\u3002<br \/>\n<b>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff1a\u53d8\u538b\u5668\u5bb9\u91cf\u4e00\u822c\u53d6\u4e3a\u914d\u7535\u5bb9\u91cf\u76841.2\u500d\uff0c\u6b64\u65f6\u53d8\u538b\u5668\u7684\u6548\u7387\u6700\u9ad8\u3002<\/b><br \/>\n<b>\u518d\u770b\u56fe2\uff1a<\/b><br \/>\n\u6211\u4eec\u770b\u5230\u53d7\u7535\u7aef\u5728\u6bcd\u7ebf\u7684\u6700\u5de6\u4fa7\uff0c\u6b64\u65f6\u6bcd\u7ebf\u5de6\u4fa7\u7684\u7535\u6d41\u7b49\u4e8e\u6700\u5927\u914d\u7535\u7535\u6d41\uff0c\u53732400A\uff0c\u6bcd\u7ebf\u53f3\u4fa7\u7684\u7535\u6d41\u4e3a\u96f6\u3002<br \/>\n\u7531\u4e8e\u6bcd\u7ebf\u7684\u622a\u9762\u662f\u7edf\u4e00\u7684\uff0c\u56e0\u6b64\u56fe2\u7684\u6bcd\u7ebf\u622a\u9762\u63093000A\u989d\u5b9a\u503c\u6765\u9009\u53d6\u3002<br \/>\n\u56fe2\u6bcd\u7ebf\u4e2d\u4efb\u4f55\u4e00\u5904\u7684\u77ed\u8def\u7535\u6d41\u7b49\u4e8e\u7cfb\u7edf\u77ed\u8def\u7535\u6d41\uff0c\u56e0\u6b64\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u548c\u77ed\u65f6\u8010\u53d7\u5fc5\u987b\u6ee1\u8db3\u53d8\u538b\u5668\u53c2\u6570\u8981\u6c42\u3002<br \/>\n<b>\u518d\u770b\u56fe3\uff1a<\/b><br \/>\n\u56fe3\u4e2d\uff0c\u53d7\u7535\u4fa7\u6709\u4e24\u5904\uff0c\u5206\u522b\u5728\u4e3b\u6bcd\u7ebf\u7684\u5de6\u53f3\u4e24\u4fa7\uff0c\u4e24\u53f0\u53d8\u538b\u5668\u5e76\u5217\u8fd0\u884c\u3002\u4e3b\u6bcd\u7ebf\u4e2d\u8fd0\u884c\u7535\u6d41\u65b9\u5411\u4ece\u4e24\u4fa7\u6307\u5411\u4e2d\u95f4\u3002<br \/>\n<b>\u5f53\u6bcd\u7ebf\u4e2d\u4efb\u4f55\u4e00\u5904\u53d1\u751f\u77ed\u8def\u65f6\uff0c\u77ed\u8def\u7535\u6d41\u7b49\u4e8e\u5355\u53f0\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\uff1b\u4f46\u662f\u5f53\u4efb\u4f55\u9988\u7535\u56de\u8def\u7684\u51fa\u53e3\u5904\u53d1\u751f\u77ed\u8def\u65f6\uff0c\u77ed\u8def\u7535\u6d41\u4e3a\u4e24\u53f0\u53d8\u538b\u5668\u77ed\u8def\u7535\u6d41\u4e4b\u548c\u3002<\/b><br \/>\n<b>\u56e0\u6b64\uff0c\u6b64\u7cfb\u7edf\u7684\u8fdb\u7ebf\u65ad\u8def\u5668\u6781\u9650\u77ed\u8def\u5206\u65ad\u80fd\u529b\u53ef\u6309\u5355\u53f0\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\u6765\u8003\u8651\uff0c\u800c\u5168\u90e8\u9988\u7535\u56de\u8def\u65ad\u8def\u5668\u7684\u6781\u9650\u77ed\u8def\u5206\u65ad\u80fd\u529b\u5fc5\u987b\u7b49\u4e8e\u5355\u53f0\u53d8\u538b\u5668\u77ed\u8def\u7535\u6d41\u7684\u4e24\u500d\u3002<\/b><br \/>\n\u5bf9\u4e8e\u5355\u53f0\u53d8\u538b\u5668\u6765\u8bf4\uff0c\u5176\u53c2\u6570\u5982\u4e0b\uff1a<br \/>\n\u53d8\u538b\u5668\u7684\u989d\u5b9a\u7535\u6d41\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7Bn%7D+%3D%5Cfrac%7BS_%7Bn%7D+%7D%7B%5Csqrt%7B3%7DU_%7Bd%7D++%7D+%3D%5Cfrac%7B1000%5Ctimes+10%5E%7B3%7D+%7D%7B1.732%5Ctimes+400%7D+%5Capprox+1443A\" alt=\"I_{n} =\\frac{S_{n} }{\\sqrt{3}U_{d}  } =\\frac{1000\\times 10^{3} }{1.732\\times 400} \\approx 1443A\" \/><br \/>\n\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7BK%7D+%3D%5Cfrac%7BI_%7Bn%7D+%7D%7BU_%7BK%7D+%7D+%3D%5Cfrac%7B1443%5Ctimes+10%5E%7B-3%7D+%7D%7B0.06%7D+%5Capprox+24.1kA\" alt=\"I_{K} =\\frac{I_{n} }{U_{K} } =\\frac{1443\\times 10^{-3} }{0.06} \\approx 24.1kA\" \/><br \/>\n\u53d8\u538b\u5668\u7684\u51b2\u51fb\u77ed\u8def\u7535\u6d41\u5cf0\u503c\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=I_%7BPK%7D+%3DnI_%7BK%7D+%3D2.0%5Ctimes+24.1%5Capprox+48.2kA\" alt=\"I_{PK} =nI_{K} =2.0\\times 24.1\\approx 48.2kA\" \/><br \/>\n\u56e0\u6b64\uff0c\u6211\u4eec\u9009\u62e9\u7684\u4f4e\u538b\u5f00\u5173\u67dc\uff0c\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u5fc5\u987b\u5927\u4e8e50kA\uff0c\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u77ed\u65f6\u8010\u53d7\u7535\u6d41\u4e3a\uff1a<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=%5Cfrac%7B50%7D%7B2.0%7D+%3D25kA\" alt=\"\\frac{50}{2.0} =25kA\" \/>\u3002<br \/>\n\u56fe\uff13\u4e3b\u6bcd\u7ebf\u7684\u622a\u9762\u53ef\u63091500A\u8003\u8651\uff0c\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u548c\u77ed\u65f6\u8010\u53d7\u5fc5\u987b\u6ee1\u8db3\u7cfb\u7edf\u8981\u6c42\u3002<br \/>\n<b>\u518d\u770b\u56fe4\uff1a<\/b><br \/>\n\u56fe4\u7684\u57fa\u672c\u53c2\u6570\u4e0e\u56fe3\u57fa\u672c\u4e00\u81f4\uff0c\u4f46\u662f\u6bcd\u7ebf\u88ab\u6bcd\u8054\u5f00\u5173\u7ed9\u5206\u6210\u4e24\u6bb5\uff0c\u5e73\u65f6\u4e24\u6bb5\u6bcd\u7ebf\u5206\u522b\u72ec\u7acb\u8fd0\u884c\u3002<br \/>\n\u8fd9\u6837\u505a\u7684\u6700\u5927\u597d\u5904\u662f\uff1a\u9988\u7535\u65ad\u8def\u5668\u51fa\u53e3\u5904\u7684\u77ed\u8def\u7535\u6d41\u5c0f\u4e8e\u6216\u8005\u7b49\u4e8e\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\uff0c\u56e0\u6b64\u5404\u4e2a\u9988\u7535\u65ad\u8def\u5668\u7684\u6781\u9650\u77ed\u8def\u5206\u65ad\u80fd\u529b\u4ea6\u6309\u5355\u500d\u53d8\u538b\u5668\u77ed\u8def\u7535\u6d41\u6765\u8003\u8651\u3002<br \/>\n\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff1a\u82e5\u67d0\u6bb5\u53d7\u7535\u51fa\u73b0\u6545\u969c\u505c\u7535\uff0c\u6bcd\u8054\u5f00\u5173\u95ed\u5408\u524d\u540e\uff0c\u5168\u7cfb\u7edf\u7684\u9988\u7535\u56de\u8def\u5fc5\u987b\u964d\u5bb9\uff1a\u4e09\u7ea7\u8d1f\u8377\u5168\u90e8\u53bb\u9664\uff0c\u4ec5\u4ec5\u4fdd\u7559\u4e00\u7ea7\u8d1f\u8377\u548c\u90e8\u5206\u4e8c\u7ea7\u8d1f\u8377\uff0c\u4ee5\u6ee1\u8db3\u5355\u53f0\u53d8\u538b\u5668\u7684\u4f9b\u7535\u80fd\u529b\u8981\u6c42\u3002<br \/>\n\u56fe4\u7684\u4e3b\u6bcd\u7ebf\u622a\u9762\u53ef\u6309\u56fe3\u7684\u65b9\u6848\u6765\u9009\u914d\u3002<br \/>\n===================<br \/>\n\u7ed3\u8bba\uff1a\u9009\u914d\u4f4e\u538b\u5f00\u5173\u67dc\u4e3b\u6bcd\u7ebf\u65f6\uff0c\u4e0d\u80fd\u8131\u79bb\u53d8\u538b\u5668\u7684\u989d\u5b9a\u7535\u6d41\u548c\u77ed\u8def\u53c2\u6570\uff0c\u4ee5\u53ca\u5f00\u5173\u67dc\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u548c\u77ed\u65f6\u8010\u53d7\uff0c\u5fc5\u987b\u7efc\u5408\u5730\u8003\u8651\u95ee\u9898\u3002<br \/>\n\u53e6\u5916\uff0c\u5cf0\u503c\u7cfb\u6570n\u6309GB14048.1-2012\u300a\u4f4e\u538b\u5f00\u5173\u8bbe\u5907\u548c\u63a7\u5236\u8bbe\u5907 \u7b2c1\u90e8\u5206\uff1a\u603b\u5219\u300b\u548cGB7251.1-2013\u300a\u4f4e\u538b\u6210\u5957\u5f00\u5173\u8bbe\u5907\u548c\u63a7\u5236\u8bbe\u5907 \u7b2c1\u90e8\u5206\uff1a\u603b\u5219\u300b\u7ed9\u51fa\u7684\u8868\u683c\u53c2\u6570\u6765\u53d6\u503c\u3002\u4e0b\u56fe\u4e3aGF7251.1\u7684\u53c2\u6570\uff1a<\/p>\n<figure>&amp;amp;lt;img src=&#8221;https:\/\/pic3.zhimg.com\/50\/f5c937b4224709bcfaf40a6e07798bd3_hd.jpg&#8221; data-rawwidth=&#8221;713&#8243; data-rawheight=&#8221;297&#8243; class=&#8221;origin_image zh-lightbox-thumb&#8221; width=&#8221;713&#8243; data-original=&#8221;https:\/\/pic3.zhimg.com\/f5c937b4224709bcfaf40a6e07798bd3_r.jpg&#8221;&amp;amp;gt;<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3846\" src=\"https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/f5c937b4224709bcfaf40a6e07798bd3_hd.jpg\" alt=\"\" width=\"713\" height=\"297\" srcset=\"https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/f5c937b4224709bcfaf40a6e07798bd3_hd.jpg 713w, https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/f5c937b4224709bcfaf40a6e07798bd3_hd-300x125.jpg 300w, https:\/\/www.tmepe.com\/wp-content\/uploads\/2019\/07\/f5c937b4224709bcfaf40a6e07798bd3_hd-610x254.jpg 610w\" sizes=\"(max-width: 713px) 100vw, 713px\" \/><br \/>\n<b>\u63d0\u4e2a\u95ee\u9898\uff0c\u6b64\u5b9e\u4f8b\u7cfb\u5e7f\u5dde\u67d0\u9ad8\u6863\u5546\u4f4f\u5c0f\u533a\u7684\u4f4e\u538b\u914d\u7535\u7cfb\u7edf\u3002<\/b><br \/>\n<b>\u6b64\u4f8b\u4e2d\uff0c\u53d8\u538b\u5668\u5bb9\u91cf\u4e3a2500kVA\uff0c\u53d8\u538b\u5668\u7684\u989d\u5b9a\u7535\u6d41\u4e3a3609A\uff0c\u4e24\u53f0\u53d8\u538b\u5668\u5728\u4e3b\u6bcd\u7ebf\u7684\u4e2d\u95f4\uff0c\u7cfb\u7edf\u4e3a\u5355\u6bcd\u7ebf\u5206\u6bb5\uff0c\u6bcd\u8054\u5f00\u5173\u5728\u4e24\u8fdb\u7ebf\u5f00\u5173\u7684\u4e2d\u95f4\u3002<\/b><br \/>\n<b>\u7cfb\u7edf\u5728\u4e00\u822c\u72b6\u6001\u4e0b\u6309\u4e24\u6bb5\u6bcd\u7ebf\u5404\u81ea\u72ec\u7acb\u4f9b\u7535\u65b9\u5f0f\u8fd0\u884c\uff0c\u4f9b\u7535\u7d27\u5f20\u65f6\uff0c\u4e24\u53d8\u538b\u5668\u53ef\u5e76\u5217\u8fd0\u884c\u3002<\/b><br \/>\n<b>\u95ee\u9898\u662f\uff1a\u5982\u679c\u4e3b\u6bcd\u7ebf\u63093800A\u989d\u5b9a\u7535\u6d41\u6765\u9009\u914d\uff0c\u662f\u5426\u53ef\u884c\uff1f<\/b><\/figure>\n<figure>\u770b\u5230\u63d0\u95ee\u8005\u56de\u7b54\u4e86\u4f8b\u9898\uff0c\u9898\u4e3b\u7684\u56de\u7b54\u662f\uff1a<br \/>\n\u201c\u53d8\u538b\u5668T\u7684 In=3609A, Ik=3609\/0.06=60.1KA, Ipk=60.1*2.2=132KA, \u5f53\u4e24\u53f0\u53d8\u538b\u5668\u5e76\u5217\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u4e3b\u6bcd\u7ebf\u7535\u6d41\u7b49\u4e8eIn,\u6700\u5927\u77ed\u8def\u7535\u6d41\u4e3a2\u500dIpk\u201d\u3002<br \/>\n\u4f30\u8ba1\u5927\u5bb6\u5e76\u6ca1\u6709\u7406\u89e3\u5cf0\u503c\u8010\u53d7\u88ab\u79f0\u4e3a\u52a8\u7a33\u5b9a\u6027\u7684\u610f\u4e49\u4f55\u5728\u3002\u6211\u6765\u89e3\u91ca\u4e00\u4e0b\uff1a<br \/>\n\u7531\u6bd5\u5965.\u8428\u6cd5\u5c14\u5b9a\u5f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u6bcd\u7ebf\u7684\u77ed\u8def\u7535\u52a8\u529b\u3002<br \/>\n\u8ba1\u7b97\u65b9\u6cd5\u662f\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=F%3D10%5E%7B-7%7D+I_%7B1%7D+I_%7B2%7D+K_%7Bh%7D+K_%7Bc%7D+%5Capprox+10%5E%7B-7%7D+I%5E%7B2%7D+%5Cfrac%7B2L%7D%7Bd%7D+K_%7Bc%7D+\" alt=\"F=10^{-7} I_{1} I_{2} K_{h} K_{c} \\approx 10^{-7} I^{2} \\frac{2L}{d} K_{c} \" \/><br \/>\n\u8fd9\u91cc\u7684I\u662f\u7535\u6d41\uff0cL\u662f\u6bcd\u7ebf\u957f\u5ea6\uff0cd\u662f\u6bcd\u7ebf\u4e2d\u5fc3\u8ddd\uff0cKc\u662f\u622a\u9762\u7cfb\u6570\uff0cF\u662f\u7535\u52a8\u529b\u3002<br \/>\n\u6211\u4eec\u968f\u4fbf\u7ed9\u4e2a\u53c2\u6570\u3002\u5047\u5b9a\u6bcd\u7ebf\u89c4\u683c\u662f120X10,\u4e2d\u5fc3\u8ddd\u662f100mm\uff0c\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u662f60kA\uff0c\u6bcd\u7ebf\u957f\u5ea6\u662f20\u7c73\u3002\u67e5\u8868\u5f97\u77e5\uff0cKc=0.84\uff0c\u4e8e\u662f\u6709\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.zhihu.com\/equation?tex=F%3D10%5E%7B-7%7D+%2860%5Ctimes+10%5E%7B3%7D+%29%5E%7B2%7D+%5Cfrac%7B2%5Ctimes+20%7D%7B0.1%7D+%5Ctimes+0.84%5Capprox+1.21%5Ctimes+10%5E%7B5%7D+N%5Capprox+12343kgf%5Capprox+12.3T\" alt=\"F=10^{-7} (60\\times 10^{3} )^{2} \\frac{2\\times 20}{0.1} \\times 0.84\\approx 1.21\\times 10^{5} N\\approx 12343kgf\\approx 12.3T\" \/><br \/>\n\u4e5f\u5c31\u662f\u8bf4\uff0c\u5219\u7ec4\u6bcd\u7ebf\u4e0a\u4ea7\u751f\u7684\u77ed\u8def\u7535\u52a8\u529b\u8fbe12.3\u5428\u529b\uff0c\u5f88\u60ca\u4eba\u7684\u6570\u5b57\u3002<br \/>\n\u800c\u4e0a\u4f8b\u4e2d\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u4e3a132kA\uff0c\u53ef\u4ee5\u60f3\u8c61\u6bcd\u7ebf\u95f4\u7684\u7535\u52a8\u529b\u66f4\u662f\u60ca\u4eba\u3002<br \/>\n\u597d\u5728\uff0c\u6bcd\u7ebf\u88ab\u82e5\u5e72\u6bcd\u7ebf\u5939\u5206\u6210\u82e5\u5e72\u6bb5\uff0c\u6bcf\u6bb5\u4e4b\u95f4\u7684\u7535\u52a8\u529b\u4f1a\u5c0f\u5f88\u591a\uff0c\u4f46\u662f\u4f5c\u7528\u5728\u6bcd\u7ebf\u5939\u4e0a\u7684\u7535\u52a8\u529b\u4e5f\u8fbe1\u5428\u591a\uff0c\u8fd9\u8fd8\u662f\u5f88\u5927\u7684\u7535\u52a8\u529b\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u5f00\u5173\u67dc\u7684\u52a8\u7a33\u5b9a\u6027\u662f\u591a\u4e48\u91cd\u8981\u3002<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4f4e\u538b\u914d\u7535\u67dc\u4e2d\u7684\u4e3b\u6bcd\u7ebf\uff0c\u62c5\u4efb\u4e86\u7535\u6d41\u5206\u914d\u7684\u4efb\u52a1\u3002 \u8bbe\u8ba1\u4e3b\u6bcd\u7ebf\u7684\u89c4\u683c\u65f6\uff0c\u9700\u8981\u8003\u8651\u5230\u5982\u4e0b\u51e0\u4e2a\u91cd\u8981\u56e0\u7d20\uff1a \u7b2c\u4e00\uff1a\u4e3b\u6bcd\u7ebf\u7684\u989d\u5b9a\u7535\u6d41\u3002 \u4e3b\u6bcd\u7ebf\u7684\u989d\u5b9a\u7535\u6d41\u4e0e\u5b9e\u9645\u8d1f\u8f7d\u7535\u6d41\u76f8\u5173\uff0c\u4e0e\u5f00\u5173\u67dc\u7684\u6e29\u5347\u5bc6\u5207\u76f8\u5173\u3002 \u7b2c\u4e8c\uff1a\u4e3b\u6bcd\u7ebf\u7684\u52a8\u70ed\u7a33\u5b9a\u6027\u3002 \u4e3b\u6bcd\u7ebf\u7684\u52a8\u3001\u70ed\u7a33\u5b9a\u6027\u5c31\u662f\u4f4e\u538b\u5f00\u5173\u67dc\u7684\u52a8\u3001\u70ed\u7a33\u5b9a\u6027\u3002\u52a8\u7a33\u5b9a\u6027\u6307\u7684\u662f\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u7535\u6d41\uff0c\u5b83\u5fc5\u987b\u5927\u4e8e\u7cfb\u7edf\u7684\u51b2\u51fb\u77ed\u8def\u7535\u6d41\u5cf0\u503c\uff1b\u70ed\u7a33\u5b9a\u6027\u6307\u7684\u662f\u77ed\u65f6\u8010\u53d7\u7535\u6d41\uff0c\u5b83\u7cfb\u6570\u7b49\u4e8e\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u9664\u4ee5\u5cf0\u503cn\u3002 =================== \u6211\u4eec\u6765\u770b\u4e0b\u56fe\uff1a &amp;amp;lt;img src=&#8221;https:\/\/pic3.zhimg.com\/50\/42f9e597d1681f6250d13ad6d17dc361_hd.jpg&#8221; data-rawwidth=&#8221;651&#8243; data-rawheight=&#8221;568&#8243; class=&#8221;origin_image zh-lightbox-thumb&#8221; width=&#8221;651&#8243; data-original=&#8221;https:\/\/pic3.zhimg.com\/42f9e597d1681f6250d13ad6d17dc361_r.jpg&#8221;&amp;amp;gt; \u5148\u770b\u56fe1\uff1a \u56fe\u4e2d\u7684\u53d8\u538b\u5668\u5bb9\u91cf\u4e3a2000kVA\u3002\u8bbe\u53d8\u538b\u5668\u7684\u963b\u6297\u7535\u538b\u662f6%\uff0c\u4e8e\u662f\u6709\uff1a \u53d8\u538b\u5668\u7684\u989d\u5b9a\u7535\u6d41\uff1a \u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u6d41\uff1a \u53d8\u538b\u5668\u7684\u51b2\u51fb\u77ed\u8def\u7535\u6d41\u5cf0\u503c\uff1a \u56e0\u6b64\uff0c\u6211\u4eec\u9009\u62e9\u7684\u4f4e\u538b\u5f00\u5173\u67dc\uff0c\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u5cf0\u503c\u8010\u53d7\u7535\u6d41\u5fc5\u987b\u5927\u4e8e101kA\uff0c\u53d6\u4e3a105kA\uff1b\u5b83\u7684\u4e3b\u6bcd\u7ebf\u7684\u77ed\u65f6\u8010\u53d7\u7535\u6d41\u4e3a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3846,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[640,970],"class_list":["post-3844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-baike","tag-640","tag-970"],"_links":{"self":[{"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/posts\/3844"}],"collection":[{"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/comments?post=3844"}],"version-history":[{"count":0,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/posts\/3844\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/media\/3846"}],"wp:attachment":[{"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/media?parent=3844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/categories?post=3844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tmepe.com\/wp-json\/wp\/v2\/tags?post=3844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}