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开关电æºå˜åŽ‹å™¨çš„寿命和ç»ç¼˜æ¸©åº¦</h3>
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<span>æ–‡ç« å‡ºå¤„ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å有é™å…¬å?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气ï¼?span
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<p> <span style="font-size: 16px">æ€Žæ ·æ‰èƒ½ç§°ä¹‹ä¸ºå¼€å…³ç”µæºå˜åŽ‹å™¨çš„寿å‘?ç»ç¼˜æ¸©åº¦æŒ‡çš„åˆæ˜¯ä»€ä¹?</span></p>
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<p><span style="font-size: 16px">　　</span><strong><a href="http://www.chenfeipower.com/product/"><span style="font-size: 16px">开关电æºå˜åŽ‹å™¨</span></a></strong><span style="font-size: 16px">在é¢å®šç”µåŽ‹å’Œé¢å®šè´Ÿè½½ä¸‹æ£å¸¸è¿è¡Œçš„时间，称为å˜åŽ‹å™¨çš„ä½¿ç”¨å¯¿å‘½ã€‚åˆ¶é€ å˜åŽ‹å™¨çš„æ料主è¦åŒ…括金属æ料和ç»ç¼˜æ料两大类。若å˜åŽ‹å™¨çš„è¿è¡Œæ¸©åº¦é•¿æ—¶é—´è¶…过å…许值，则å˜åŽ‹å™¨çš„ç»ç¼˜æ料容易æŸåã€‚å› ä¸ºç»ç¼˜æ料长期å—çƒè€åŒ–，温度越高ç»ç¼˜ææ–™è€åŒ–越快。当ç»ç¼˜ææ–™è€åŒ–到一定程度时，在è¿è¡Œéœ‡åŠ¨å’Œç”µåŠ¨åŠ›çš„ä½œç”¨ä¸‹ï¼Œé€ æˆç»ç¼˜ææ–™ç ´è£‚ï¼Œæ˜“å‘生电气击穿的故障，导致å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½å‡å°‘，所以温度是影å“å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½çš„主è¦å› ç´ ä¹‹ä¸€ã€‚å˜åŽ‹å™¨çš„寿命在一定æ„义上å¯ä»¥è¯´å°±æ˜¯ç»ç¼˜æ料的寿命ã€?/span></p>
<p> </p>
<p><span style="font-size: 16px">　　1. æ£ç¡®è°ƒæ•´å˜åŽ‹å™¨è´Ÿè·ï¼Œä½¿å˜åŽ‹å™¨è¾¾åˆ°ç†æƒ³çš„使用年é™ï¼š</span></p>
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<p><span style="font-size: 16px">　　å˜åŽ‹å™¨å†…部的ç»ç¼˜æ¸©åº¦åœ¨ç”µåŽ‹åŸºæœ¬ä¸€å®šçš„å‰æ下，主è¦ä¸Žè´Ÿè·ç”µæµå¤§å°æœ‰å…³ï¼Œå³è´Ÿè·ç”µæµå¤§ï¼Œç»ç¼˜æ¸©åº¦åˆ™é«˜ï¼Œå之负è·ç”µæµå°ç»ç¼˜æ¸©åº¦ä½Žã€?/span></p>
<p> </p>
<p><span style="font-size: 16px">　　å˜åŽ‹å™¨åœ¨è¿è¡Œä¸è¿‡è´Ÿè·æˆ–å¤å£å¸¦é¢å®šè´Ÿè·è¿è¡Œæ—¶ï¼Œå†…部ç»ç¼˜å¤„在高温下è¿è¡Œï¼Œå˜åŽ‹å™¨çš„寿命æŸå¤±å°†åŠ 快。若å˜åŽ‹å™¨å¤„于轻负è·æˆ–冬å£å¸¦é¢å®šè´Ÿè·è¿è¡Œæ—¶ï¼Œå…¶å†…部ç»ç¼˜åœ¨ä½Žæ¸©ä¸‹è¿è¡Œï¼Œå˜åŽ‹å™¨å¯¿å‘½æŸå¤±åˆ™å¯å‡ç¼“ã€‚å› æ¤ä¸ºäº†ä½¿å˜åŽ‹å™¨è´Ÿè·èƒ½åŠ›åœ¨å…¨å¹´å¾—到充分利用åˆä¸å½±å“å˜åŽ‹å™¨æ£å¸¸ä½¿ç”¨å¯¿å‘½ï¼Œæ¯ä¸ªæœˆè´Ÿè·å¯é€‚当调整ã€?/span></p>
<p> </p>
<p><span style="font-size: 16px">　　2. å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½ä¸Žç»ç¼˜æ¸©åº¦çš„关系：</span></p>
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<p><span style="font-size: 16px">　　我国电力å˜åŽ‹å™¨ï¼Œå¤§éƒ¨åˆ†é‡‡ç”¨æ²¹çº¸ç»ç¼˜å³A级ç»ç¼˜ã€‚对于A级ç»ç¼˜çš„å˜åŽ‹å™¨ï¼Œåœ¨æ£å¸¸è¿è¡Œä¸ï¼Œå½“周围空气温度ä¸?0℃时，å˜åŽ‹å™¨ç»•ç»„çš„æžé™å·¥ä½œæ¸©åº¦ä¸º105℃ã€?/span></p>
<p><span style="font-size: 16px">ã€€ã€€å®žè·µå’Œç ”ç©¶è¡¨æ˜Žï¼Œå¦‚æžœç»•ç»„èƒ½è¿žç»ç»´æŒ?5℃温度，å¯ä»¥ä¿è¯å˜åŽ‹å™¨å…·æœ?0å¹´çš„ä½¿ç”¨å¯¿å‘½ã€‚æ ¹æ®æ¸©åº¦ä¸Žå¯¿å‘½çš„关系，还å¯å¼•å‡ºä¸€ä¸ªæ‰€è°?℃定则：以上述温度下的寿命为基础，绕组温度æ¯å‡é«˜8℃，å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½å°±ç¼©çŸ1/2ã€?/span></p>
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<p><span style="font-size: 16px">　　æ®æœ‰å…³èµ„料和实践è¯æ˜Žï¼?/span></p>
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<p><span style="font-size: 16px">　　å˜åŽ‹å™¨ç»ç¼˜å·¥ä½œæ¸©åº¦åœ¨95℃时，å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½ä¸?0å¹´ã€?/span></p>
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<p><span style="font-size: 16px">　　å˜åŽ‹å™¨ç»ç¼˜å·¥ä½œæ¸©åº¦åœ¨105℃，å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½ä¸º7å¹´ã€?/span></p>
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<p><span style="font-size: 16px">　　å˜åŽ‹å™¨ç»ç¼˜å·¥ä½œæ¸©åº¦åœ¨120℃时，å˜åŽ‹å™¨ä½¿ç”¨å¯¿å‘½ä¸?å¹´ã€?/span></p>
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