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text-center">電流互感器為什么不能開路運行？開路運行會導致什么樣的后果？</h1> <div class="tab"> <div class="tab-head border-main"> <ul class="tab-nav"> <li class="active"><a href="#tab-start">產品描述</a> </li>  </ul> </div> <div class="tab-body"> <div class="tab-panel active" id="tab-start"> <p> <p style="text-align:left;"> <span style="font-size:16px;"><br /> </span> </p> <p style="text-align:left;"> <span style="font-size:16px;">電流互感器二次側開路，會造成二次側產生高電勢非常危險；同時少了二次側的去磁，鐵芯內磁通量飽和，將會引起鐵芯溫度劇增，然后燒毀互感器。</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">我們來分析一下電流互感器的工作原理，就能明白二次側為何不能開路。</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">1、一次側：通過高電流、線圈匝數少，視為電源端；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">2、二次側：產生低電流、線圈匝數多，視為負載端；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;"><br /> </span> </p> <p style="text-align:left;"> <span style="font-size:16px;">工作原理：</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">1、一次側通過交變電流時，會在鐵芯產生磁通量；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">2、然后磁通量傳到二次側，并在二次側產生感應電動勢；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">3、當二次側閉合時，會在二次側線路中產生電流；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">4、然后二次側產生的電流，又在鐵芯中產生磁通量，該磁通方向和一次側的相反，兩者相互抵抗并部分抵消，該過程稱作“去磁”；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">5、于是，在鐵芯內磁通量不高的情況下，一次側的電能傳送到了二次側，實現了能量的轉移；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;"> </span> </p> <p style="text-align:left;"> <span style="font-size:16px;">當二次側短路時：</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">1、首先，二次側將產生較大的電動勢，比較危險；</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">2、其次，二次側沒有了感應電流，失去了對一次側的去磁，那么鐵芯中的磁通量將大大增加，超過磁飽和后，將在鐵芯內產生較大的勵磁電流來對抗磁通量的增大，使得鐵芯溫度增大，造成互感器燒毀。</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">所以，電流互感器的二次側，工作時是禁止開路的。</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">如有對互感器感興趣的小伙伴，可咨詢我公司，我公司專業生產各種互感器，性價比高，值得優選。</span> </p> <p style="text-align:left;"> <span style="font-size:16px;">無錫?？送姎庥邢薰韭撓惦娫挘?8013948499</span> </p> <p style="text-align:center;"> <span style="font-size:16px;"><img title="電流互感器為什么不能開路運行？開路運行會導致什么樣的后果？(圖1)" src="/uploads/allimg/210106/1-210106143F2C5.jpg" alt="電流互感器為什么不能開路運行？開路運行會導致什么樣的后果？(圖1)" /><br /> </span> </p> <p style="text-align:left;"> <span style="font-size:16px;"><br /> </span> </p> </p> </div>  </div> </div> </div> <div class="container padding-big"> <div class="padding-large-top border-top height"> <div class="line"> <div class="x10"> 上一篇：<a href="/index.php?m=home&c=View&a=index&aid=80" class="text-gray" title="上一篇：低壓臺區智能監測平臺助力提升配網運營管理水平">低壓臺區智能監測平臺助力提升配網運營管理水平</a> <div class="blank"></div> 下一篇：<a href="/index.php?m=home&c=View&a=index&aid=84" class="text-gray" title="下一篇：電力產業面臨一個趨勢兩個挑戰三個重點">電力產業面臨一個趨勢兩個挑戰三個重點</a> </div> <div class="x2 text-center"> <a 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