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href="/Article/ArticleList32/" target="_blank">甉|°”癄¡§‘</a> >> <span>正文</span></div> <!-- main_content begin--> <div class="maincontent"> <!-- left begin --> <div class="news_left"> <div class="brand_news_details"> <h1>甉|°”癄¡§‘åQ?你真的了解隔¼›Õd¼€å…›_—åQ?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源åQšä¸Š‹¹·å¯åŠ›ç”µæœºæˆå¥—设备有限公å?作者:ã€?ã€?点击åQ?span id="HitNum"></span>‹Æ?旉™—´åQ?span id="dTime">2021/6/30 11:54:43</span><input type="hidden" id="ID" value="100931531"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[甉|°”癄¡§‘åQ?你真的了解隔¼›Õd¼€å…›_—åQŸ]:1.何äؓ隔离开关隔¼›Õd¼€å…›_ˆ¿U°åˆ€é—¸ï¼Œæ˜¯é«˜åŽ‹å¼€å…³çš„一¿Uï¼Œå®ƒæ²¡æœ‰ç­å¼§è£…¾|®ï¼Œå½“其处在兛_ˆä½ç½®æ—Óž¼Œèƒ½æ‰¿è½½å·¥ä½œç”µ‹¹ï¼Œä½†ä¸èƒ½ç”¨æ¥æŽ¥é€šæˆ–切断负荷甉|µå’ŒçŸ­è·¯ç”µ‹¹ï¼Œä½¿ç”¨æ—¶åº”与断路器配合ã€?.隔离开关的用é€?.1 隔离电压...</div><div class="brand_news_con"><p style="text-indent:2em;"> <span>1.何äؓ隔离开å…?/span> </p> <p style="text-indent:2em;"> <span>隔离开兛_ˆ¿U°åˆ€é—¸ï¼Œæ˜¯é«˜åŽ‹å¼€å…³çš„一¿Uï¼Œå®ƒæ²¡æœ‰ç­å¼§è£…¾|®ï¼Œå½“其处在兛_ˆä½ç½®æ—Óž¼Œèƒ½æ‰¿è½½å·¥ä½œç”µ‹¹ï¼Œä½†ä¸èƒ½ç”¨æ¥æŽ¥é€šæˆ–切断负荷甉|µå’ŒçŸ­è·¯ç”µ‹¹ï¼Œä½¿ç”¨æ—¶åº”与断路器配合ã€?/span> </p> <p style="text-indent:2em;"> <span>2.隔离开关的用é€?/span> </p> <p style="text-indent:2em;"> <span>2.1 隔离电压åQšè¿›è¡Œæ£€ä¿®ç»´æŠ¤æ—¶åQŒç”¨éš”离开兛_°†ç”‰|°”讑֤‡ä¸Žè¿è¡Œä¸­çš„电¾|‘éš”¼›»ï¼Œæž„成明显可见的断开间隙åQŒä»¥æ­¤ç¡®ä¿è¿è¡Œå’Œ‹‚€ä¿®çš„安全ã€?/span> </p> <p style="text-indent:2em;"> <span>2.2 倒闸操作åQšæŠ•å…¥å¤‡ç”¨æ¯¾U¿æˆ–者旁路母¾U¿ä»¥åŠæ”¹å˜è¿è¡Œæ–¹å¼ï¼Œåˆ©ç”¨éš”离开关配合断路器来完成ã€?/span> </p> <p style="text-indent:2em;"> <span>在双母线接线方式中利用两条母¾U¿ä¸Šçš„éš”¼›Õd¼€å…³ä½¾|®çš„通断ž®†è¿žæŽ¥å…ƒä»¶åœ¨ä¸¤æ¡æ¯çº¿ä¹‹é—´åˆ‡æ¢ã€?/span> </p> <p style="text-indent:2em;"> <span>2.3 接通和断开ž®ç”µ‹¹ç”µè·¯ï¼šéš”离开兛_…·æœ‰ä¸€å®šçš„通、断ž®ç”µæ„Ÿç”µ‹¹å’Œç”µå®¹ç”‰|µçš„能力、在˜qè¡Œä¸­å¯åˆ©ç”¨éš”离开兌™¿›è¡Œä¸‹åˆ—操作:</span> </p> <p style="text-indent:2em;"> <span>â‘?可以用来接通和断开电压互感器和遉K›·å™¨ã€?/span> </p> <p style="text-indent:2em;"> <span>â‘?接通和断开电容甉|µä¸è¶…˜q?A的空载线路,电压ä¸?0kVåQŒé•¿ä¸?km以内的空载输ç”늺¿è·¯å’Œç”µåŽ‹ä¸?5kVåQŒé•¿ä¸?0km以内的空载输ç”늺¿è·¯ã€?/span> </p> <p style="text-indent:2em;"> <span>â‘?接通和断开åŠÞq£ç”‰|µä¸è¶…˜q?A的空载变压器åQ?5kV¾U§å°äº?000kVAåQ?10kV¾U§å°äº?200kVAã€?/span> </p> <p style="text-indent:2em;"> <span>2.4 自动快速隔¼›»ï¼šåœ¨ä¸€å®šæ¡ä»¶ä¸‹èƒ½è¿…速隔¼›Õd¼€å·²å‘生故障的讑֤‡å’Œçº¿è·¯ï¼Œè¾‘Öˆ°èŠ‚省断èµ\器用量的目的ã€?/span> </p> <p style="text-indent:2em;"> <span><strong>3.隔离开关的分类</strong></span> </p> <p style="text-indent:2em;"> <span>åQ?åQ‰æŒ‰è£…设地点分äؓåQšæˆ·å†…式和户外式ã€?/span> </p> <p style="text-indent:2em;"> <span>åQ?åQ‰æŒ‰¾lç¼˜æ”¯æŸ±çš„数目分为:单柱式、双柱式和插入式ã€?/span> </p> <p style="text-indent:2em;"> <span>åQ?åQ‰æŒ‰˜qåŠ¨æ–¹å¼åˆ†äؓåQšæ°´òqÏx—‹è½¬å¼ã€åž‚ç›´äŽ×¾~©å¼ã€æ‘†åŠ¨å¼å’Œæ’入式ã€?/span> </p> <p style="text-indent:2em;"> <span>åQ?åQ‰æŒ‰æœ‰æ— æŽ¥åœ°åˆ€é—¸åˆ†ä¸ºï¼šå¸¦æŽ¥åœ°åˆ€é—¸å’Œä¸å¸¦æŽ¥åœ°åˆ€é—怸¤¿Uã€?/span> </p> <p style="text-indent:2em;"> <span>åQ?åQ‰æŒ‰æ“åŠ¨æœºæž„分äؓåQšæ‰‹åŠ¨ã€ç”µåŠ¨å’Œæ°”动ã€?.隔离开关的构成</span> </p> <p style="text-indent:2em;"> <span>隔离开关由åQšå¯¼ç”µéƒ¨åˆ†ã€ç»¾~˜éƒ¨åˆ†ã€ä¼ åŠ¨éƒ¨åˆ†ã€æ“ä½œæœºæž„和底åñ”及地刀¾l„成ã€?/span> </p> <p style="text-indent:2em;"> <span>4.1 关于导电部分</span> </p> <p style="text-indent:2em;"> <span>导电部分通过支持¾lç¼˜å­å›ºå®šåœ¨åº•åñ”上,用于接通和断开电èµ\åQŒä¸»è¦åŒ…括由操作¾lç¼˜å­å¸¦åŠ¨è€Œè{动的刀闸(动触头或导电杆)、固定在底åñ”上的静触头和用来˜qžæŽ¥æ¯çº¿æˆ–设备的接线端ã€?/span> </p> <p style="text-indent:2em;"> <span>4.2 关于¾lç¼˜éƒ¨åˆ†</span> </p> <p style="text-indent:2em;"> <span>隔离开关的¾lç¼˜ä¸»è¦æœ‰ä¸¤¿Uï¼šå¯¹åœ°¾lç¼˜å’Œæ–­å£ç»¾~˜ã€?/span> </p> <p style="text-indent:2em;"> <span>对地¾lç¼˜ä¸€èˆ¬æ˜¯ç”±æ”¯æŸÞq»¾~˜å­å’Œæ“ä½œç»¾~˜å­½{‰æž„成。它们通常采用瓯‚´¨¾lç¼˜å­ï¼Œæœ‰çš„也采用环氧树脂或环氧çŽÈ’ƒå¸ƒæ¿½{‰ä½œ¾lç¼˜ææ–™ã€?/span> </p> <p style="text-indent:2em;"> <span>断口¾lç¼˜å…ähœ‰æ˜Žæ˜¾å¯è§çš„间隙断口的¾lç¼˜åQŒé€šå¸¸ä»¥ç©ºæ°”äؓ¾lç¼˜ä»‹è´¨ã€‚éš”¼›Õd¼€å…Ïx–­å¼€åŽï¼Œæ–­å£é—´çš„å‡È©¿ç”µåŽ‹å¿…须大于相对åœîC¹‹é—´çš„å‡È©¿ç”µåŽ‹ã€?/span> </p> <p style="text-indent:2em;"> <span>˜q™æ ·å½“电路中发生危险的过电压æ—Óž¼Œé¦–先是相对地发生攄¡”µåQŒä»Žè€Œé¿å…è§¦å¤´é—´çš„断口先被击½I¿ï¼Œä¿è¯‹‚€ä¿®äh员安全ã€?/span> </p> <p style="text-indent:2em;"> <span>4.3 关于传动部分</span> </p> <p style="text-indent:2em;"> <span>操动机构通过传动装置控制刀闸分、合。传动机构接受操动机构的操作力,用拐臂、连杆、èáu齿轮、操作绝¾~˜å­½{‰ä¼ ¾l™è§¦å¤´å®žçŽ°åˆ†ã€åˆé—¸ã€?/span> </p> <p style="text-indent:2em;"> <span>可根据运行需要,采取三相联动或分相操动方式ã€?/span> </p> <p style="text-indent:2em;"> <span>4.4 关于操动机构</span> </p> <p style="text-indent:2em;"> <span>通过各种方式向隔¼›Õd¼€å…›_Š¨ä½œæä¾›èƒ½æºã€?/span> </p> <p style="text-indent:2em;"> <span>4.5 关于底åñ”和地刀</span> </p> <p style="text-indent:2em;"> <span>底åñ”常用èžÞZ¸å›ºå®šåœ¨æž„架或墙体上ã€?/span> </p> <p style="text-indent:2em;"> <span>5.关于隔离开兌™¾…助接炚wš”¼›Õd¼€å…³çš„位置状态通常是通过机械联动机构带动二次辅助接点的通断来实çŽîC¸Žä¿æŠ¤å’Œè‡ªåŠ¨è£…¾|®çš„接口ã€?/span> </p> <p style="text-indent:2em;"> <span>辅助接点可分为机械辅助接点和真空辅助接点ã€?/span> </p> <p style="text-indent:2em;"> <span>传统机械辅助接点通过动静触头之间的摩擦接è§?断开来实现接点的通断åQŒç”±äºŽè§¦å¤´æš´éœ²åœ¨½Iºæ°”中,产生的电弧易使接点表面氧化或烧黑åQŒç‰¹åˆ«åœ¨æ½®æ¹¿è…èš€æ€§çŽ¯å¢ƒä¸­å®ÒŽ˜“å¯ÆD‡´æŽ¥è§¦ä¸è‰¯ã€?/span> </p> <p style="text-indent:2em;"> <span>真空辅助接点开关的核心部äšg被密ž®æˆä¸ÞZ¸€ä¸ªæ•´ä½“以增强可靠性,其运动部分——è{子依靠磁场的作用炫富于盘中,基本上不与盘产生摩擦åQŒæ‰€ä»¥è{è½´è{动轻盈灵‹z»ï¼Œå…¶æŽ¥ç‚¹å·¥ä½œäºŽçœŸç©ºæˆ–者惰性气体中åQŒåŸºæœ¬ä¸ä¼šäñ”生电弧,¼‹®ä¿è‰¯å¥½çš„电接触可靠性ã€?/span> </p> <p style="text-indent:2em;"> <span>当隔¼›Õd¼€å…³çš„辅助接点用于其分合闸回èµ\中,均应带åšg时ã€?/span> </p> <p style="text-indent:2em;"> <span>如在合闸˜q‡ç¨‹ä¸­ï¼Œä¸€‹Æ¡éš”¼›Õd¼€å…›_ˆåˆîC½åŽå…¶å¸¸å¼€è¾…助接点才接通,帔R—­è¾…助接点断开åQŒå¦‚此可¼‹®ä¿éš”离开兛_ˆ†åˆé—¸å¯é åˆîC½ã€?/span> </p> <p style="text-indent:2em;"> <br /> </p></div><div class="meneame"><span class="disabled">< </span><span class="current">1</span> <span 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