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<div class="n_info_con" id="printableview"> <h3> 高频å˜åŽ‹å™¨è®¾è®¡ä¹‹å¦‚何æ高效率</h3> <div class="info_con_tit"> <div class="info_con_tit"> <div class="n_tit"> <span>文章出处ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å­æœ‰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 id="cntrHits">-</span></span><span>å‘表时间ï¼?015-05-13 14:26:00</span> <div class="newchang"> <!-- JiaThis Button BEGIN --> <div id="ckepop"> <a href="http://www.jiathis.com/share/?uid=899792" class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空间</a> <a class="jiathis_button_tsina"> 新浪微åš</a> <a class="jiathis_button_tqq">腾讯微åš</a> <a class="jiathis_button_tsohu">æœç‹å¾®åš</a> <a class="jiathis_button_t163">网易微åš</a> <a class="jiathis_button_tools_1"></a><a class="jiathis_button_tools_2"></a> </div> <script type="text/javascript"> var jiathis_config = { 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href="http://www.chenfeipower.com/product/product-0001,0015.shtml">高频å˜åŽ‹å™?/a>æ¥çœ‹,æŸè€—ä¸å¤?例如,100VA高频å˜åŽ‹å®¶å…·å®¶ç”µæ•ˆçŽ‡ä¸?8%æ—?æŸè€—åªæœ?W,并ä¸å¤?但是æˆå万个,æˆç™¾ä¸‡ä¸ªé«˜é¢‘å˜åŽ‹å™?总æŸè€—å¯èƒ½è¾¾åˆ°ä¸Š100kW,甚至上MW.高频电æºå˜åŽ‹å™¨ä¸€ç›´é•¿æœŸè¿è¡?年总æŸè€—相当å¯è§?有å¯èƒ½è¾¾åˆ°ä¸Š10GW·h.这样,æ高高频电å˜åŽ‹å™¨æ•ˆçŽ‡,å¯ä»¥èŠ‚约电力.节约电力å?å¯ä»¥å°‘建å‘电ç«?少建å‘电站åŽ,å¯ä»¥å°‘消耗煤和石æ²?å¯ä»¥å°‘排放CO2,SO2,NOx,废气,废水,å‡å°‘对环境的污染.既具有节约能æº?åˆå…·æœ‰çŽ¯å¢ƒä¿æŠ¤çš„åŒé‡ç¤¾ä¼šç»æµŽæ•ˆç›Š.å› æ­¤,æ高效率是高频电æºå˜åŽ‹å™¨æœ€é‡è¦çš„设计è¦æ±?一般效率è¦æ高åˆ?5%以上,æŸè€—è¦å‡å°‘åˆ?%以下.高频电æºå˜åŽ‹å™¨æŸè€—包括ç£èŠ¯æŸè€?é“æŸ)和绕组（铜æŸï¼?有人关心å˜åŽ‹å™¨çš„é“æŸå’Œé“œæŸçš„比例.这个比例是éšå˜åŽ‹å™¨çš„工作频率å‘生å˜åŒ–çš?如果å˜åŽ‹å™¨çš„外加电压越低,绕组åŒæ•°è¶Šå¤š,é“œæŸè¶Šå¤§.å› æ­¤åœ?0Hz工频ä¸?é“œæŸè¿œè¿œè¶…过é“æŸ.例如:50Hz,100kVAS9型三相油浸å¼ç¡…片å˜åŽ‹å™?é“œæŸä¸ºé“æŸçš„5å€å·¦å?50Hz,100kVASH11型三相油浸å¼éžæ™¶åˆé‡‘电力å˜åŽ‹å™?é“œæŸä¸ºé“æŸçš„20å€å·¦å?<br /> é“æŸæ˜¯é«˜é¢‘电æºå˜åŽ‹å™¨æŸè€—的主è¦éƒ¨åˆ†. 正因为é“æŸæ˜¯é«˜é¢‘电æºå˜åŽ‹å™¨æŸè€—的主è¦éƒ¨åˆ†,因此根æ®é“æŸé€‰æ‹©ç£èŠ¯æ料是高频电æºå˜åŽ‹å™¨è®¾è®¡çš„一个主è¦å†…容ã€?br /> æˆä¸ºè¯„价软ç£èŠ¯æ料的一个主è¦å‚æ•?é“æŸä¸Žç£èŠ¯çš„工作ç£é€šå¯†åº¦å·¥ä½œé¢‘率有å…?在介ç»è½¯ç£ç£èŠ¯ææ–™é“æŸæ—¶,必须说明工作ç£é€šå¯†åº¦ä¸‹å’Œåœ¨ä»€ä¹ˆå·¥ä½œé¢‘率下æŸè€?用符å·è¡¨ç¤ºæ—¶,也必须标明PB/f。é“æŸè¿˜ä¸Žå·¥ä½œæ¸©åº¦æœ‰å…?在介ç»è½¯ç£ç£èŠ¯ææ–™é“æŸæ—¶,必须指明它的工作温度,特别是软ç£é“氧体ææ–™,对温度å˜åŒ–比较æ•æ„?在产å“说明书中都è¦åˆ—å‡?5℃至100℃的é“æŸ. </span></span></p> <p><span style="font-family: Arial;"><span style="font-size: 14px;">   软ç£æ料的饱和ç£é€šå¯†åº¦å¹¶ä¸å®Œå…¨ä»£è¡¨ä½¿ç”¨çš„工作ç£é€šå¯†åº¦çš„上é™,常常是é“æŸé™åˆ¶äº†å·¥ä½œç£é€šå¯†åº¦çš„上é™.所以高频电æºå˜åŽ‹å™¨ç”¨è½¯ç£é“氧体æ料分类标准ä¸?把å…许的工作ç£é€šå¯†åº¦å’Œå·¥ä½œé¢‘率乘积B×f,作为æ料的性能因å­,并说明å­æ¡ä»¶ä¸‹å…许的æŸè€—å€?新的分类标准根æ®æ€§èƒ½å› å­æŠŠè½¯ç£é“氧体æ料分为PW1,PW2,PW3,PW4,PW5ç­?ç±?性能因å­å·¥ä½œé¢‘率越高,æžé™é¢‘率也越é«?例如,PW3类软ç£é“氧体ææ–™,工作频率ä¸?00kHz,æžé™é¢‘率ä¸?00kHz,性能因å­B10000mT×kHzã€?</span></span></p> <p><span style="font-family: Arial;"><span style="font-size: 14px;">  在æŸä¸€æ®µå·¥ä½œé¢‘率下,高频电æºå˜åŽ‹å™¨çš„绕组æŸè€?é“œæŸ)与é“æŸç›¸æŽ¥è¿‘æ—?例如,é“œæŸ/é“æŸ=100%ï½?5%范围é‡ï¼Œä¹Ÿä¸èƒ½å¿½è§?也应当考虑采å–措施æ¥å‡å°‘é“œæ?由于原绕组和副绕组承担的功率相近,往往在设计中å–原绕组的铜æŸæ¥å‡å°‘é“œæŸ,以便简化设计计算过ç¨?ä¸èƒ½åªå¼ºè°ƒä¾é æ¸©å‡æ¥è®¾è®¡é«˜é¢‘电æºå˜åŽ‹å™?由于热阻ä¸å®¹æ˜“准确确å®?å› æ­¤,为了简化计ç®?有时根æ®ç»éªŒé¢„先推è一些原则和数æ®æ˜¯å¿…è¦çš„.åŒæ ·,为了简化计ç®?对ä¸åŒå·¥ä½œé¢‘率的高频电æºå˜åŽ‹å™¨æŽ¨èä¸åŒçš„绕组电æµå¯†åº¦,也是必è¦çš?但ä¸é™äºŽæŸä¸€ä¸ªç”µæµå¯†åº¦å€?例如,2A/mm2ï½?A/mm2.现高频电æºå˜åŽ‹å™¨è®¾è®¡è¦æ±‚的方法并ä¸é™äºŽä¸€ç§?应当å…许进行多ç§å¤šæ ·çš„探ç´?"你走你的阳关é?我走我的独木桥ã€?/span></span></p> <p><span style="font-size: 14px;"><span style="font-family: Arial;">  </span></span><span style="font-family: Arial;">å°ç¼–æ醒您，在设计高频电æºå˜åŽ‹å™¨çš„时候，一定è¦ä»Žå¤šæ–¹é¢èµ„料进行å‚考，这样它设计得最有价值。本篇文章由深圳晨飞电å­æŠ€æœ¯å›¢é˜Ÿæ供，转载请注明。网å€ï¼šhttp://www.chenfeipower.comã€?/span><span style="font-family: Arial;"> <br /> </span></p> <p><span style="font-family: Arial;"><span style="font-size: 14px;"> <br />  </span></span></p> </div> <div class="apage" id="showfenye"> <!--资讯分页:start--> 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