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href="/">首页</a>><a href="/new/">博客资讯</a></a></h1> </div> <div id="zxdbrj5dzl" class="mainBg"> <div id="zxdbrj5dzl" class="container"> <div id="zxdbrj5dzl" class="newsTop text-center fadeInUp"> <h1 class="newsName">电力系统中主保护和备份?；ぶ涞那?/h1> </div> <div id="zxdbrj5dzl" class="newsCon fadeInUp"> <p>主保护和备份?；ぶ涞闹饕鹪谟谒堑墓δ堋Ｌ峁┲鞅；ひ钥焖俜⑾止收喜⒔收喜糠钟胝２糠指衾?，同时提供备份?；ぃ员阍谥鞅；なО苁备衾牍收虾驼２糠?。在本文中，我们将详细讨论电力系统中使用的主要和备用?；ひ约八侵涞闹饕稹Ｄ敲矗梦颐谴又饕；ず痛我；さ幕窘樯芸肌?/p><p><br/></p><p><strong>一、什么是一级保护：</strong></p><p>主?；ざㄒ逦缌ο低持刑峁┑某跏急；げ?，如果故障发生在继电器区域，则用于隔离故障元件。它也被称为主保护。用于提供主?；さ募痰缙鞒莆骷痰缙鳌Ｒ患侗；つ芄豢焖偌觳夤收匣蛞斐Ｇ榭?。这样它就可以保护电力系统设备免受损坏。</p><p><br/></p><p>以下是主要?；さ囊恍┲饕卣鳎?/p><p>1．一级?；ぞ哂懈咚俸土槊舳取?/p><p>2．在靠近要?；さ纳璞傅牡胤教峁┲饕；?。</p><p>3．专门设计的高速继电器、熔断器和断路器用作初级?；さ闹饕?/p><p><br/></p><p><strong>二、什么是备份?；ぃ?/strong></p><p>备用?；な堑缌ο低持杏糜诒；ど璞傅牧硪恢直；?。它也被称为二级?；?。它可以定义为一种保护类型，当主要?；び捎谌魏卧蛭薹ㄔ诵惺?，用于检测和清除故障。用于提供备用或辅助?；さ募痰缙鞒莆赣眉痰缙?。备份?；さ淖钪匾卣魇牵肟赡艿贾轮髦屑淌О艿囊蛩匚薰?。</p><p><br/></p><p><strong>备份?；さ钠渌饕卣魅缦拢?/strong></p><p>1．仅当主?；の薹ㄔ诵惺?，备份?；げ呕峒せ睢?/p><p>2．备份?；さ脑诵兴俣缺戎鞅；ぢ?。</p><p><br/></p><p><strong>三、备份?；さ睦嘈停?/strong></p><p><strong>备份?；た煞治韵氯种饕嘈停?/strong></p><p>a．远程备份?；?；</p><p>b．继电器备份?；?；</p><p>c．断路器备份保护；</p><p>让我们详细讨论每种类型的备份?；?。</p><p><br/></p><p><strong>1．远程备份保护：</strong></p><p>在远程备份?；ぶ校阜菁痰缙魑挥谙嗔谡镜?。在这种类型的后备保护中，后备继电器为整个?；し桨柑峁┍；?，包括继电器、断路器、电压互感器、电流互感器和许多其他组件。远程备份?；な谴湎呗肥褂米罟惴旱谋阜荼；だ嘈汀Ｋ亲畋阋?、最简单的备份保护形式。</p><p>此外，这种类型的保护不会因为导致主要?；なО艿囊蛩囟О?，此功能使其成为最理想的保护形式。</p><p><br/></p><p><strong>2．继电器备份保护：</strong></p><p>这是通过放置附加?；ぜ痰缙魈峁┑谋镜乇阜荨Ｔ诩痰缙鞅阜荼；ぶ?，如果主继电器发生故障，备用继电器将触发同一断路器。此外，此备用继电器的操作不会延迟进行。继电器备份?；な且恢址浅０汗蟮谋阜荼；し桨?，主要用于无法进行远程备份保护的地方。需要注意的是，继电后备保护装置由单独的电流和电压互感器供电。</p><p><br/></p><p><strong>3．断路器备份?；ぃ?/strong></p><p>断路器备份?；ひ彩且恢直镜乇阜荼；?。这种类型的备用?；ぶ饕糜诹恿诵矶喽下菲鞯哪赶呦低?。当保护继电器响应故障而运行并且断路器未能跳闸时，该故障被视为母线故障。如果所需的断路器在指定时间内未跳闸，则在一定延迟后，主继电器会触发备用继电器，然后该继电器会跳闸连接到母线系统的所有断路器。</p><p><br/></p><p><strong>四、主?；び氡阜荼；さ那穑?/strong></p><p>下表突出显示了电力系统中主?；ず捅赣帽；ぶ涞乃兄饕?</p><table style="width:100%; text-align: left;" cellspacing="0" cellpadding="0" bordercolor="#000000" border="1" data-sort="sortDisabled"><caption style="background-color: #ededed">主?；び氡阜荼；さ那?/caption><tbody><tr class="firstRow"><td width="10%">参数</td><td width="45%">主要保护</td><td width="45%">备份?；?/td></tr><tr><td>主要功能</td><td>主要保护旨在针对电力系统中的故障和异常情况提供第一层?；?/td><td>备份?；さ闹饕δ苁窃谥鞅；なО苁碧峁┕收媳；?/td></tr><tr><td>也称为</td><td>一级保护也称为主?；?/td><td>备份保护也称为辅助?；?/td></tr><tr><td>运营速度</td><td>主?；し桨妇哂懈咚偕璞?，可快速检测和隔离故障</td><td>备份?；ぶ惺褂玫谋；ど璞傅乃俣缺戎鞅；ぶ惺褂玫谋；ど璞嘎?/td></tr><tr><td>在以下情况下运行</td><td>当系统发生故障或任何异常情况时，主要保护将运行</td><td>备份?；そ鲈谥鞅；の薹ㄔ诵惺痹诵?，否则不运行</td></tr><tr><td>敏感性</td><td>主?；ぴ诩觳夂拖煊σ斐；蚬收锨榭龇矫娓用舾?/td><td>备份?；さ拿舾卸鹊陀谥鞅；?。这样它就不会造成任何不必要的跳闸</td></tr><tr><td>安装位置</td><td>初级?；ぐ沧霸谝；さ纳璞父浇?/td><td>备份?；ねǔ０沧霸谥鞅；さ脑冻涛恢?/td></tr><tr><td>?；し段?/td><td>主要保护的?；し段Ы险蛭荚诒；は低车哪掣霾糠?/td><td>备份?；さ谋；し段П戎鞅；じ惴?。因此，它可以?；は低车母蟛糠?/td></tr><tr><td>优先权</td><td>主?；ぴ诩觳夂颓宄收戏矫婢哂泻芨叩挠畔燃?/td><td>备份?；さ挠畔燃兜陀谥鞅；ぁＲ虼?，它充当辅助?；げ?/td></tr><tr><td>成本</td><td>由于高灵敏度、准确性和速度，主?；し桨傅某杀靖?/td><td>备份?；し桨傅某杀颈戎鞅；し桨赶喽缘?/td></tr></tbody></table><p><br/></p><p><strong>结论：</strong></p><p>从上面的讨论中，我们可以得出结论，初级?；な堑缌ο低持械闹鞅；げ?，而备用?；な谴渭侗；げ?。备份保护的设计使其仅在主?；の薹ㄔ诵惺痹诵?。</p><p><br/></p><p><strong>与主?；ず捅阜荼；は喙氐某＜侍猓?/strong></p><p><br/></p><p><strong>1.什么是主?；ぷ爸?？</strong></p><p>电力系统中用于感应和清除故障或异常情况的?；ど璞缸魑谝徊惚；ど璞?，称为主保护设备。初级?；ぷ爸镁哂懈吡槊舳取⒏咴诵兴俣群透呔?。</p><p><br/></p><p><strong>2.什么是主备份?；ず透ㄖ阜荼；?？</strong></p><p>主?；け欢ㄒ逦恢值缌ο低潮；?，它首先检测系统中的任何故障或异常情况。而辅助或备份?；け欢ㄒ逦恢衷谥鞅；の薹ㄔ诵惺北；は低车谋；だ嘈汀?/p><p><br/></p><p><strong>3.一级?；ず投侗；び惺裁辞?？</strong></p><p>当电力系统发生故障时，一级?；せ峥焖傧煊Γ侗；そ鲈谝患侗；の薹ㄔ诵惺痹诵小?/p><p><br/></p><p><strong>4.备份?；さ姆椒ㄓ心男?/strong></p><p>众所周知，备份?；な窃谥鞅；の薹ㄔ诵惺痹诵械母ㄖ；げ恪Ｒ韵率堑缌ο低持惺褂米罟惴旱谋赣帽；し椒ǎ?/p><p>远程备份?；?/p><p>继电备份?；?/p><p>断路器备份?；?/p><p>这些备份?；し椒ㄔ谏厦嬗邢晗杆得?。</p><p><br/></p><p><strong>5.二级?；さ睦邮鞘裁?？</strong></p><p>在电力系统中，备用距离?；な潜赣帽；さ某＜纠Ｔ诒赣镁嗬氡；ぶ校冻贪沧霸诒；は低持?，并在主要?；し桨肝薹ㄔ诵惺碧峁┒侗；?。</p><p><br/></p><p><strong>6.什么是备用继电器？</strong></p><p>灵敏度较低并用于在主继电器无法检测到故障时?；さ缙低车谋；ぜ痰缙鞒莆赣眉痰缙?。</p><p><br/></p><p><strong>7.备份?；ぴ谀睦锸褂?？</strong></p><p>备用?；ねǔＳ糜诘缌ο低?，以便在主?；し桨肝薹ㄔ诵惺碧峁┕收媳；?。</p><p>备用?；ねǔＳ糜诒；な涞缦呗贰⑴涞缋∠?、变压器、交流发电机、母线和其他敏感设备。</p><p>备用保护主要用于需要确保且可靠的安全?；さ那榭觥?/p> 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