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宋体, SimSun; font-size: 16px;">什么是继电?；ず凸缌鞅；?</span></strong></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;"> 继电?；な堑缌ο低巢馐灾蟹浅Ｖ匾囊幌畈馐?。它能够对电力系统中发生的故障或异常情况进行检测，从而发出报警信号，或直接将故障部分隔离、切除的一种重要措施。继电保护工作一般使用到的仪器是微机继电?；げ馐砸恰?/span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;"> 因在其发展过程中曾主要用有触点的继电器来?；さ缌ο低臣捌湓ǚ⒌缁?、变压器、输电线路等），使之免遭损害，所以也称继电保护。</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;">继电?；ひ灿泻芏嘀?，有电流?；?、距离?；?、差动?；?、纵联?；?、瓦斯?；さ鹊龋枪缌鞅；な鞘裁囱拥哪?？</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;"> 过电流保护是当电流超过预定最大值时，使?；ぷ爸枚鞯囊恢直；し绞?。它主要包括短路保护和过载?；ち街掷嘈?。短路?；ぞ哂姓ǖ缌鞔?、瞬时动作等特点。过载?；さ奶氐阒饕逑衷谒恼ǖ缌鹘闲　⒎词毕薅?。</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;"> 短路保护中的电磁式电流脱扣器（继电器）、熔断器常用作短路?；ぴ?。过载?；ぶ械难邮毙偷绱攀降缌骷痰缙鞒Ｓ米鞴乇；ぴ?。</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;">过电流?；た梢苑侄巍⒎智榭龃聿煌嘈偷墓收?。在每一阶段都设置过电流保护开关，根据电流大小、产生部位、持续时间等情况选择性切掉一部分线路。实际是通过三种特性来操作：反时限特性、定时限特性、速断特性。</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;"> 将这三种结合起来，装在不同的位置合理设置，就可以分电流、分时间、分段进行线路?；?。</span></p><p><span style="font-family: 宋体, SimSun; font-size: 16px;">继电保护除了方法不一样，用到微机继电保护测试仪也不同。测试仪也有多功能型、综合型、普通型三种。它们之间的功能特点不同，实现的测试也是不一样。主要是根据实际测试项目不一样而研发，方便消费者可以多方面选择适合自己的微机继电?；げ馐砸?。</span></p><p><br/></p><p><br/></p></div> <div id="2ogipkiq8sut" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-3953828.html">工频耐压试验装置用来做什么？</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a href="/Article-3953569.html">开口闪点测试与闭口闪点测试的区别</a></b></p> <span><a href="/article.html">返回列表>></a></span> </div> </div> </div> </div> </div>    <div class="2ogipkiq8sut" id="z_Footer"> <div id="2ogipkiq8sut" class="pz_down"> <div id="2ogipkiq8sut" class="w_1200"> <div id="2ogipkiq8sut" class="footT"> <div id="2ogipkiq8sut" class="footAddr"> <div id="2ogipkiq8sut" class="footTit">上?？档堑缙萍加邢薰?/div> <div id="2ogipkiq8sut" class="dAddr"><img class="ico" 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