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href="http://www.nathaliainstitute.com/zlwddy/" target="_blank">直流½E›_®šç”‰|º</a>的概æ‹?交流½E›_®šç”‰|ºçš„知识æ€È»“”ã€?</p><p style="text-align:center;"><img alt="【方法】直‹¹ç¨³å®šç”µæºçš„概括 交流½E›_®šç”‰|ºçš„知识æ€È»“" src="http://cmsimgshow.zhuchao.cc/22556/20150625062708.jpg?path=www.nathaliainstitute.com/uploads/cp/20150625062708.jpg" /></p><p style="text-indent:2em;"> 直流½E›_Ž‹ç”‰|º 又称直流½E›_Ž‹å™¨ã€‚它的供ç”는µåŽ‹å¤§éƒ½æ˜¯äº¤æµç”µåŽ‹åQŒå½“交流供电电压的电压或输出负蝲电阻变化æ—Óž¼Œ½E›_Ž‹å™¨çš„直接输出电压都能保持½E›_®šã€?/p><p style="text-indent:2em;">从工作方式上可分为:</p><p style="text-indent:2em;">①可控整‹¹åž‹ã€‚用改变晉™—¸½Ž¡çš„导通时间来调整输出电压ã€?/p><p style="text-indent:2em;">②斩波型。输入是不稳定的直流电压åQŒä»¥æ”¹å˜å¼€å…³ç”µè·¯çš„通断比得到单向脉动直‹¹ï¼Œå†ç»æ»¤æ‡L后得到稳定直‹¹ç”µåŽ‹ã€?/p><p style="text-indent:2em;">③变换器型。不½E›_®šç›´æµç”µåŽ‹å…ˆç»é€†å˜å™¨å˜æ¢æˆé«˜é¢‘交流电,再经变压、整‹¹ã€æ×o波后åQŒä»Žæ‰€å¾—æ–°çš„ç›´‹¹è¾“出电压取æ øP¼Œåé¦ˆæŽ§åˆ¶é€†å˜å™¨å·¥ä½œé¢‘率,辑ֈ°½E›_®šè¾“出直流电压的目的ã€?/p><p 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