變頻電源在電子電氣行業運用十分廣泛
變頻電(dian)源作(zuo)為交流電(dian)源中的一類(lei)電(dian)源，在電(dian)子電(dian)氣行業運用十分(fen)廣泛。
一、首(shou)要(yao)我們先來了解下(xia)變頻電(dian)源(yuan)能(neng)解決什(shen)么問題？
1、工業(ye)設(she)備(bei)電(dian)(dian)(dian)(dian)(dian)力轉(zhuan)化。60Hz變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)源是(shi)西方許多(duo)(duo)國(guo)家用(yong)電(dian)(dian)(dian)(dian)(dian)的(de)(de)規(gui)(gui)范(fan)(fan)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)頻(pin)(pin)率，因此許多(duo)(duo)進口(kou)設(she)備(bei)的(de)(de)預(yu)定作業(ye)環境(jing)為60Hz，而(er)我國(guo)的(de)(de)規(gui)(gui)范(fan)(fan)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)頻(pin)(pin)率為50Hz，要(yao)使設(she)備(bei)在正常作業(ye)的(de)(de)狀況下，運用(yong)60Hz變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)源也是(shi)十分必(bi)要(yao)的(de)(de)。所以(yi)，許多(duo)(duo)企業(ye)為了供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)用(yong)電(dian)(dian)(dian)(dian)(dian)的(de)(de)平穩(wen)性也會采用(yong)60Hz變(bian)(bian)頻(pin)(pin)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)。
2、試(shi)(shi)(shi)驗(yan)(yan)(yan)試(shi)(shi)(shi)驗(yan)(yan)(yan)。變(bian)(bian)頻(pin)電(dian)(dian)(dian)源可(ke)以(yi)輸出無失真的(de)(de)純正弦(xian)波，這(zhe)就為(wei)測試(shi)(shi)(shi)設備提(ti)供了(le)良好的(de)(de)抗干(gan)擾電(dian)(dian)(dian)源。還(huan)可(ke)以(yi)運用單相電(dian)(dian)(dian)源所以(yi)很多電(dian)(dian)(dian)器(qi)的(de)(de)測試(shi)(shi)(shi)都需(xu)求(qiu)運用變(bian)(bian)頻(pin)電(dian)(dian)(dian)源來完成。為(wei)了(le)得到精確的(de)(de)試(shi)(shi)(shi)驗(yan)(yan)(yan)數(shu)據，在(zai)試(shi)(shi)(shi)驗(yan)(yan)(yan)室(shi)中，科學(xue)家們還(huan)常(chang)(chang)常(chang)(chang)運用單相變(bian)(bian)頻(pin)電(dian)(dian)(dian)源，60Hz變(bian)(bian)頻(pin)電(dian)(dian)(dian)源，400Hz中頻(pin)電(dian)(dian)(dian)源等。
二、變頻電源采(cai)用哪(na)種寬調(diao)制技能?設備(bei)應(ying)用的規模有哪(na)些？
采用正(zheng)弦波(bo)脈(mo)寬(kuan)調制 IGBT高頻逆變技能(neng)(neng)的變頻電源，輸出波(bo)形(xing)純凈(jing)，具有(you)較寬(kuan)的穩頻規(gui)模，可減少電網(wang)對設(she)備的干擾等長處。重點針(zhen)對電網(wang)電壓或(huo)發電機頻率(lv)波(bo)動大(da)，造(zao)成設(she)備不能(neng)(neng)正(zheng)常運(yun)轉的狀況進行設(she)計(ji)開(kai)發。
三、正弦波(bo)變頻(pin)電源首(shou)要(yao)技(ji)能參(can)數，
波形失真度，<1%
輸入電壓，220V/380V其他電壓可定(ding)制
輸出電壓(ya)，0-300V/0-520V其他電壓(ya)可(ke)定(ding)制
輸出頻率(lv)，50Hz/60Hz
輸入頻率，47Hz--63Hz或(huo)400Hz ±5%
阻(zu)隔變壓(ya)器(qi)輸出(chu)安全。
有(you)過(guo)(guo)壓(ya)(ya)，短(duan)路，過(guo)(guo)載(zai)，過(guo)(guo)流，過(guo)(guo)熱等故障的(de)自動維護(hu)及報警(jing)功(gong)用(yong)(yong)(yong)。頻率(lv)轉化電(dian)源是指(zhi)經過(guo)(guo)交(jiao)(jiao)流-DC-交(jiao)(jiao)流將市(shi)電(dian)中的(de)交(jiao)(jiao)流電(dian)源轉化為(wei)純弦波。可(ke)在一定規模內(nei)調整輸出頻率(lv)和電(dian)壓(ya)(ya)。已得(de)到廣泛應用(yong)(yong)(yong)。可(ke)完全替代穩(wen)壓(ya)(ya)器和變壓(ya)(ya)器功(gong)用(yong)(yong)(yong)，起到維護(hu)設備的(de)作用(yong)(yong)(yong)。
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