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id="app_52253022" role="draggable" data-type="app" data-appid="datumInfo" data-config="" data-state="true"> <div id="pr3mjyzo" class="appMask"></div> <div id="pr3mjyzo" class="appContent"> <div id="pr3mjyzo" class="datum_info"> <h1 class="title">回路電阻測試儀的三種測試方法</h1> <div id="pr3mjyzo" class="bgcolor_01"> <div id="pr3mjyzo" class="bgcolor_sum"> <div id="pr3mjyzo" class="left">日期：2024-11-18 02:24</div> <div id="pr3mjyzo" class="right">瀏覽次數(shù)：276</div> </div> <div id="pr3mjyzo" class="bgcolor_sum01"> 摘要：上?？档请姎饪萍加邢薰? 電力技術(shù) </div> </div> <div id="pr3mjyzo" class="content"> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"><strong style="margin:0px;">回路電阻測試儀的三種測試方法 </strong></span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;">目前，回路電阻測試儀的測試方法主要有三種,具體操作如下：</span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"><br style="margin:0px;"> </span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;">1、電橋法：使用雙臂電橋進行斷路器導(dǎo)電回路電阻的測量時，由于測量回路通過的是微弱的電流，難以消除電阻較大的氧化膜，測出的電阻值偏大，而且由于電流小，在其觸頭接觸處難以形成收縮即無法測出收縮電阻。</span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"> </span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;text-align:center;"> <img src="https://img57.chem17.com/9/20240611/638536882063876239233.png" title="86d75540-f28b-4907-b223-3f540e693b42.png" alt="86d75540-f28b-4907-b223-3f540e693b42.png" width="542" height="408" style="margin:0px;padding:0px;max-width:800px;max-height:300%;vertical-align:middle;width:542px;height:408px;"> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <br> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;">2、電壓降法：在被測回路中，通以直流電流時，在回路接觸電阻上將產(chǎn)生壓降、測出通過回路的電流值和電壓值，計算出接觸電阻。測試過程煩瑣，人工計算測量結(jié)果，存在一定的誤差。</span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"><br style="margin:0px;"> </span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;">3、微歐儀法（回路電阻測試儀）：原理是電壓降原理，只是測量、計算等方面全用單片機處理，大大減少了工作量。</span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"> </span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;text-align:center;"> <img src="https://img43.chem17.com/9/20240611/638536882457475164500.png" title="a7656e2e-fa8b-45f1-a51c-2c7f1860219d.png" alt="a7656e2e-fa8b-45f1-a51c-2c7f1860219d.png" style="margin:0px;padding:0px;max-width:800px;max-height:300%;vertical-align:middle;"> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;"><br style="margin:0px;"> </span> </p> <p style="margin-top:0px;margin-bottom:0px;padding:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:24px;font-family:宋體;color:#555555;white-space:normal;background-color:#FFFFFF;"> <span style="margin:0px;font-family:宋體, SimSun;font-size:16px;">回路電阻測試儀是采用數(shù)字電路技術(shù)和開關(guān)電路技術(shù)制作，它是用于開關(guān)控制設(shè)備的接觸電阻、回路電阻測量的專用設(shè)備。斷路器導(dǎo)電回路電阻主要取決于動靜觸頭的接觸電阻，接觸電阻的存在，增大了導(dǎo)體在通電時的損耗，使接觸處的溫度升高，其值的大小直接影響正常工作時的載流能力，在一定程度上影響短路電流的切斷能力，也是反映安裝檢修工作質(zhì)量的重要數(shù)據(jù)。</span> </p> </div> <div id="pr3mjyzo" class="datumrelate"> <span>下一篇：</span> <a href="/kangdengdq_Article_11824295.html" title="使用數(shù)字絕緣電阻測試儀的注意事項 ">使用數(shù)字絕緣電阻測試儀的注意事項 </a> <br> <span>上一篇：</span> <a href="/kangdengdq_Article_11825101.html" title="高壓開關(guān)特性測試儀的工作原理">高壓開關(guān)特性測試儀的工作原理</a> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <footer id="footer" class="footer" 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