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alt="【组图】直‹¹å˜æ¢å™¨æ˜¯ä»€ä¹?交流½E›_®šç”‰|ºçš„介¾l? src="http://cmsimgshow.zhuchao.cc/22556/20150625072627.jpg?path=www.slightlycharming.com/uploads/cp/20150625072627.jpg" /></p><p style="text-indent:2em;"> 直流变换器是ž®†ä¸€¿Uç”µåŽ‹çš„直流电变换äؓ另一¿Uæˆ–几种电压的直‹¹ç”µçš„设备ã€?/p><p style="text-indent:2em;"> 直流变换器有òq¶è”和非òq¶è”两种ã€?/p><p style="text-indent:2em;"> 1、åƈ联直‹¹å˜æ¢å™¨é‡‡ç”¨å…ˆè¿›çš„高频脉宽调制边¾~˜è°æŒ¯æŠ€æœ¯ï¼Œä½¿æ•ˆçŽ‡å¾—åˆîCº†æžå¤§æé«˜ã€‚具有稳压精度高、抗òq²æ‰°èƒ½åŠ›å¼ºã€è¾“出杂音低、动态响应快、工作温度范围宽½{‰ç‰¹ç‚V€?/p><p style="text-indent:2em;"> 2、非òq¶è”直流变换器采用进口DC-DC模块¾l„成åQŒå…·æœ‰ç¨³åŽ‹ç²¾åº¦é«˜ã€è¾“出噪å£îC½Žã€æŠ—òq²æ‰°èƒ½åŠ›å¼ºç­‰ä¼˜ç‚¹åQŒä¸”体积ž®ã€é‡é‡è½»ã€‚ </p><p style="text-indent:2em;"> 一般的直流变换器都是单向的åQŒç›´‹¹å˜æ¢å™¨æ˜¯ä»€ä¹ˆåœ¨æŸäº›åœºåˆä¹Ÿä¼šç”¨åŒå‘ç›´‹¹å˜æ¢å™¨æ¥è¿›è¡Œå·¥ä½œã€?/p><p style="text-indent:2em;"> <span style="color:#ff0000;">推荐您阅读这½‹‡æ–‡ç« ï¼š</span><span style="color:#E53333;"><a href="http://www.slightlycharming.com/news/103.html">【图文】直‹¹ç¨³å®šç”µæºè{换器 交流½E›_®šç”‰|ºçš„知识æ€È»“</a></span> </p><p style="text-indent:2em;">交流½E›_Ž‹ç”‰|ºåˆç§°äº¤æµ½E›_Ž‹å™¨ã€‚随着电子技术的发展åQŒç‰¹åˆ«æ˜¯ç”µå­è®¡ç®—机技术应用到各工业、科研领域后åQŒå„¿Uç”µå­è®¾å¤‡éƒ½è¦æ±‚½E›_®šçš„交‹¹ç”µæºä¾›ç”µï¼Œç”늽‘直接供电已不能满­‘³éœ€è¦ï¼Œäº¤æµ½E›_Ž‹ç”‰|ºçš„出现解决了˜q™ä¸€é—®é¢˜ã€‚常用的交流½E›_Ž‹ç”‰|ºæœ‰ï¼š</p><p style="text-indent:2em;">①铁¼‚è°æŒ¯å¼äº¤æµ½E›_Ž‹å™¨ã€‚由饱和扼流圈与相应的电容器¾l„成åQŒå…·æœ‰æ’压伏安特性ã€?/p><p style="text-indent:2em;">②磁攑֤§å™¨å¼äº¤æµ½E›_Ž‹å™¨ã€‚å°†¼‚æ”¾å¤§å™¨å’Œè‡ªè€¦å˜åŽ‹å™¨ä¸²è”而成åQŒåˆ©ç”¨ç”µå­çº¿è·¯æ”¹å˜ç£æ”‘Ö¤§å™¨çš„é˜ÀLŠ—以稳定输出电压ã€?/p><p style="text-indent:2em;">③滑动式交流½E›_Ž‹å™¨ã€‚通过改变变压器滑动接点位¾|®ç¨³å®šè¾“出电压ã€?/p><p style="text-交流½E›_®šç”‰|ºçš„介¾lindent:2em;">④感应式交流½E›_Ž‹å™¨ã€‚靠改变变压器次、初¾U§ç”µåŽ‹çš„ç›æ€½å·®ï¼Œä½¿è¾“å‡ÞZº¤‹¹ç”µåŽ‹ç¨³å®šã€?/p><p style="text-indent:2em;">⑤晶闸管交流½E›_Ž‹å™¨ã€‚用晉™—¸½Ž¡ä½œåŠŸçŽ‡è°ƒæ•´å…ƒäšg。稳定度高、反应快且无噪声。但寚w€šä¿¡è®‘Ö¤‡å’Œç”µå­è®¾å¤‡é€ æˆòq²æ‰°ã€?/p><p style="text-indent:2em;"> 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