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document.getElementById("bdshell_js").src = "http://news.share.baidu.com/static/js/shell_v2.js?cdnversion=" + new Date().getHours(); </script>  </div> <div id="1zlx7hpjjv5" class="right">文章来源:<a href="">北京创联汇通电气</a> ????? 发布时间： 2023-10-14 10:58:36</div> </div> <div class="1zlx7hpjjv5" id="daodu"><span>导读：</span>随着电力系统的不断发展，电力设备的保护越来越受到人们的关注。在电力系统中，过电压?；て骱捅芾灼魇橇街殖Ｓ玫纳璞?，它们的作用和功能有所不同。过电压?；て魇且恢直；さ缙璞覆皇芄缪骨趾Φ淖爸?。过电压是指电气设备在运行过程中遇到超过其额定电压范围的电压，如雷击、操作失误等原因引起的电压波动。过电压?；て? </div> <p><p>随着电力系统的不断发展，电力设备的保护越来越受到人们的关注。在电力系统中，过电压保护器和避雷器是两种常用的设备，它们的作用和功能有所不同。过电压?；て魇且恢直；さ缙璞覆皇芄缪骨趾Φ淖爸谩９缪故侵傅缙璞冈谠诵泄讨杏龅匠涠疃ǖ缪狗段У牡缪?，如雷击、操作失误等原因引起的电压波动。过电压?；て鞯淖饔檬窃诠缪钩鱿质?，及时将过电压限制在一定范围内，避免对电气设备造成损害。<br/></p><p>而避雷器是一种防止雷电侵害电气设备的装置。避雷器的作用是在雷电出现时，将雷电引入地下，并避免雷电对电气设备造成损害。下面本文将从过电压保护器和避雷器的定义、作用使用场合等方面进行详细介绍，以帮助广大电气技术人员更好地了解和掌握这两种设备</p><p>避雷器图</p><p><img src="https://img0.baidu.com/it/u=2013422481,2045058818&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=363"/></p><p>过电压?；び殖乒缪贡；?，是指当被?；は呗返牡缪钩ざǖ暮艽笾凳?，断开电源或降低被控设备电压的一种?；し绞健３＜墓缪贡；ぴ蜃爸糜斜芾灼?、变阻器、避雷器等。在通信电源领域，为了防止雷电瞬时高压造成的巨大危害，通常采用压敏电阻?；?、过电压和防雷保护。根据时代的需要，过电压?；て饔泻芏啵械陌沧霸谏璞改诓?，有的安装在电源侧。有了过压?；て鞯谋；ぃ颐窃谟玫缟璞甘被岣踩?。</p><p>过电压?；て魍?/p><p><img src="https://img1.baidu.com/it/u=4285957231,1985896121&fm=253&fmt=auto&app=138&f=GIF?w=500&h=500"/></p><p>过电压?；て骱捅芾灼饔惺裁辞?？</p><p>过电压?；て骱捅芾灼鞫际怯糜诒；さ缙璞傅闹匾爸?，但它们的工作原理和作用有所不同。</p><p>过电压?；て魇且恢钟糜诘缌ο低持械牡缙璞副；さ淖爸?，主要用于限制和消除由于系统中出现过电压而对设备造成的危害。过电压?；て鞯墓ぷ髟硎堑毕低车缪钩疃ǖ缪故保缪贡；て髂芄患笆币脊缌鳎佣缪沟哪芰糠稚⒒蛭?，以?；ど璞该馐芩鸹?。过电压?；て魍ǔ０沧霸谏璞傅慕摺⒛赶吆统鱿叩任恢?，常用的过电压?；て饔薪鹗粞趸镅姑舻缱杵鳎∕O），气体放电管（GDT）、硅控整流二极管（SCR）等。</p><p>而避雷器则是一种用于?；さ缙璞负腿嗽泵馐芾谆魑：Φ淖爸?。它是一种带有阻抗特性的电气元件，能够在雷击时将雷电能量引向大地。避雷器的工作原理是将雷电通过特殊的构造引向大地，防止雷电进入电气设备和建筑物。常用的避雷器有针式避雷器和金属氧化物避雷器。</p><p>因此，过电压?；て骱捅芾灼鞫际怯糜诒；さ缙璞傅淖爸茫缪贡；て髦饕糜谙拗坪拖低持谐鱿止缪苟陨璞冈斐傻奈：Γ芾灼髦饕糜诒；さ缙璞负腿嗽泵馐芾谆魑：?。</p><p><br/></p></p> <div class="1zlx7hpjjv5" id="prevnext"> 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