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</script> <script type="text/javascript"> var OBJ_TITLE = "说说高频å˜åŽ‹å™¨ä¸Žå¼€å…³ç”µæºä¹‹é—´çš„è”ç³»"; var OBJ_ID = "438"; var MARK = "news"; var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"]; var SID = "0001,0002,0006"; //æƒé™ID var AUTHORITY_ID = ""; </script> <script src="/JS/Cls_jsPage.js"></script> <!--content:start--> <div class="content"> <div class="plc2"> 当å‰ä½ç½®ï¼?a href="/">首页</a> » <a href="/news/">资讯中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飞资讯</a> » <a href="">说说高频å˜åŽ‹å™¨ä¸Žå¼€å…³ç”µæºä¹‹é—´çš„è”ç³»</a></div> <div class="list4nr"> <div class="n_info_con" id="printableview"> <h3> 说说高频å˜åŽ‹å™¨ä¸Žå¼€å…³ç”µæºä¹‹é—´çš„è”ç³»</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?015-06-19 10:33:00</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 = { "data_track_clickback": true };</script> <script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792" charset="utf-8"></script> <!-- JiaThis Button END --> </div> </div> </div> </div> <div id="cntrBody"> <p><span style="font-size: 14px">　　高频å˜åŽ‹å™¨æ˜¯å¼€å…³ç”µæºä¸­è¿›è¡Œèƒ½é‡å‚¨å­˜ä¸Žä¼ è¾“çš„é‡è¦éƒ¨ä»¶ï¼Œå•ç‰‡å¼€å…³ç”µæºä¸­é«˜é¢‘å˜åŽ‹å™¨æ€§èƒ½çš„优劣，ä¸ä»…对电æºæ•ˆçŽ‡æœ‰è¾ƒå¤§çš„å½±å“，而且直接关系到电æºçš„其它技术指标和电ç£å…¼å®¹æ€?EMC)。将高频传输线绕在具有高导ç£çŽ?u)低æŸè€—çš„é“氧体ç£çŽ¯ä¸Šå°±å˜æˆä¼ è¾“ç»å˜åŽ‹å™¨ï¼Œå…¶ç”µè·¯ä»Žè¡¨é¢ä¸Šçœ‹ä¼¼ä¹Žä¸Žæ™®é€šå˜åŽ‹å™¨æ²¡æœ‰å¤šå¤§å·®åˆ«ï¼Œä½†å®žé™…上它们传递能é‡çš„æ–¹å¼æ˜¯ä¸ç›¸åŒçš„ã€?/span></p> <p> </p> <p><span style="font-size: 14px">　　为此，一个高效率<strong><a href="http://www.chenfeipower.com/product/">高频å˜åŽ‹å™?/a></strong>应具备直æµæŸè€—和交æµæŸè€—低ã€æ¼æ„Ÿå°ã€ç»•ç»„本身的分布电容åŠå„绕组之间的耦åˆç”µå®¹è¦å°ç­‰æ¡ä»¶ã€?/span></p> <p> </p> <p><span style="font-size: 14px">　　所谓的高频开关，一般都是指高频开关电æºã€‚其基本控制原ç†ä¸ºï¼šå¼€å…³ä»¥ä¸€å®šçš„时间间隔é‡å¤åœ°æŽ¥é€šå’Œæ–­å¼€ï¼šåœ¨å¼€å…³æŽ¥é€šæ—¶ï¼Œè¾“入电æºé€šè¿‡å¼€å…³å’Œæ»¤æ³¢ç”µè·¯æ供给负载，在整个开关接通期间，电æºå‘è´Ÿè½½æ供能é‡?当开关断开时，输入电æºä¾¿ä¸­æ–­äº†èƒ½é‡çš„æ供。因此，输入电æºå‘è´Ÿè½½æ供能é‡æ˜¯æ–­ç»­çš„，为使负载能得到连续的能é‡æ供，开关稳压电æºå¿…é¡»è¦æœ‰ä¸€å¥—储能装置，在开关接通时将一部份能é‡å‚¨å­˜èµ·æ¥ï¼Œåœ¨å¼€å…³æ–­å¼€æ—¶ï¼Œå‘负载释放ã€?/span></p> <p> </p> <p><span style="font-size: 14px">　　改å˜å¼€å…³æŽ¥é€šæ—¶é—´å’Œå·¥ä½œå‘¨æœŸçš„比例，电压的平å‡å€¼ä¹Ÿéšä¹‹æ”¹å˜ï¼Œå› æ­¤ï¼Œéšç€è´Ÿè½½åŠè¾“入电æºç”µåŽ‹çš„å˜åŒ–自动调整便能使输出电压维æŒä¸å˜ã€‚改å˜æŽ¥é€šæ—¶é—´å’Œå·¥ä½œå‘¨æœŸæ¯”例亦å³æ”¹å˜è„‰å†²çš„å ç©ºæ¯”，这ç§æ–¹æ³•ç§°ä¸?ldquo;时间比率控制”(Time Ratio Control,缩写为TRC)。所谓直æµæ–­è·¯å™¨ï¼Œå³æ˜¯åœ¨ç›´æµé…电系统中æ供直æµå›žè·¯é€šæ–­çš„开关，以对过载ã€çŸ­è·¯ç­‰è¿‡ç”µæµæ•…éšœæä¾›å¯é ä¿æŠ¤ã€?/span></p> </div> <div class="apage" id="showfenye"> <!--资讯分页:start--> <script type="text/javascript"> var pagecont=1; 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