【空調穩壓(ya)器】空調穩壓(ya)器有用嗎 空調穩壓器(qi)怎么選?
空調穩壓器有用嗎
除非電網電壓(ya)(ya)(ya)(ya)極低(di),一般情況下變壓(ya)(ya)(ya)(ya)器(qi)(qi)還是很有(you)效的。現在的穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)一般都具備調(diao)(diao)壓(ya)(ya)(ya)(ya)功能,既(ji)能調(diao)(diao)到220V。至于品牌和價(jia)格(ge),那(nei)就不好說(shuo)了。可(ke)以(yi)(yi)到家電市場(chang)看(kan)看(kan),比(bi)較下。但是首(shou)先要確定是電壓(ya)(ya)(ya)(ya)過(guo)低(di),如(ru)果(guo)確定是電壓(ya)(ya)(ya)(ya)問題可(ke)以(yi)(yi)安裝穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)解決。穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)的作用就是把過(guo)高或(huo)過(guo)低(di)的電壓(ya)(ya)(ya)(ya)穩(wen)(wen)定在220V。穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)要根據(ju)你用電設備的功率來選(xuan),要選(xuan)大于你家空(kong)(kong)調(diao)(diao)額(e)定功率(空(kong)(kong)調(diao)(diao)說(shuo)明(ming)書中有(you)標明(ming))的穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)才能保證空(kong)(kong)調(diao)(diao)正(zheng)常運(yun)行。穩(wen)(wen)壓(ya)(ya)(ya)(ya)器(qi)(qi)的價(jia)格(ge)是功率越大越貴。
空調穩壓器怎么選?
1、計算(suan)穩(wen)壓器(qi)的功率:空(kong)調(diao)(diao)主要負載為壓縮機(ji),所(suo)以(yi)屬于(yu)電(dian)機(ji)類負載,電(dian)機(ji)在瞬間啟(qi)動(dong)時(shi)電(dian)流是很(hen)大(da)的,雖然現在很(hen)多空(kong)調(diao)(diao)都(dou)是變(bian)頻啟(qi)動(dong)的,但是在啟(qi)動(dong)時(shi)電(dian)流還是很(hen)大(da),那么在配備穩(wen)壓器(qi)時(shi)要留(liu)有(you)工作余量(liang),如果空(kong)調(diao)(diao)是2KW,穩(wen)壓器(qi)最(zui)好按照3倍功率,配6KW的穩(wen)壓器(qi)。空(kong)調(diao)(diao)的功率怎么計算(suan),一般空(kong)調(diao)(diao)有(you)1P、1.5P、2P、3P,1P=0.75KW,大(da)家按照這(zhe)個(ge)計算(suan)就可(ke)以(yi)了。
2、穩壓器(qi)的功(gong)率(lv)因數,目前市場上80%的穩壓器(qi)是0.7,20%的穩壓器(qi)功(gong)率(lv)因素是0.8,什么意(yi)思呢?就是10KVA的穩壓器(qi),實際輸出功(gong)率(lv) x 0.7=7KW
3、夏天在使(shi)用穩(wen)(wen)壓器(qi)時(shi)大部(bu)分是(shi)由(you)于外網電(dian)壓偏低,那么在選用穩(wen)(wen)壓器(qi)時(shi)要注意留有(you)工作(zuo)余量,一般實際(ji)負載不要超過穩(wen)(wen)壓器(qi)功(gong)率的80%,為(wei)什么呢?
我(wo)們來計算一下就知道了,外(wai)網電(dian)壓(ya)(ya)(ya)220V時(shi):6000W/220V=27A(電(dian)流(liu)),外(wai)網電(dian)壓(ya)(ya)(ya)170V時(shi) : 6000W/170V=35.3A(電(dian)流(liu)),經過比較可以(yi)看到,輸(shu)入電(dian)壓(ya)(ya)(ya)低時(shi)電(dian)流(liu)越大,而穩壓(ya)(ya)(ya)器(qi)(qi)里(li)面的(de)(de)變(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)線徑(jing)是固(gu)定的(de)(de),低壓(ya)(ya)(ya)時(shi)承受的(de)(de)電(dian)流(liu)要大很多。
4、按(an)照(zhao)上面(mian)方法計算(suan):2KW空(kong)調(diao) X2倍 = 4KW, 這里空(kong)調(diao)功率(lv)乘以(yi)2是(shi)因(yin)為空(kong)調(diao)的壓(ya)(ya)縮機瞬間啟動電流大;4KW/ 0.8=5KVA(穩(wen)壓(ya)(ya)器(qi)功率(lv)),這里除以(yi)0.8是(shi)放置穩(wen)壓(ya)(ya)器(qi)的工作余(yu)量,5KVA / 0.8=6.25KVA(需要購(gou)買的穩(wen)壓(ya)(ya)器(qi)功率(lv)),這里除以(yi)0.8是(shi)穩(wen)壓(ya)(ya)器(qi)的實際帶(dai)載能力只有80%。也就是(shi)2KW的空(kong)調(diao)配6KVA的穩(wen)壓(ya)(ya)器(qi)是(shi)這樣計算(suan)的。