【空調穩壓器(qi)】空調穩壓器(qi)有用嗎 空調穩壓器(qi)怎么選(xuan)?
空調穩壓器有用嗎
除非(fei)電(dian)網電(dian)壓(ya)極低,一(yi)般情況下變壓(ya)器(qi)(qi)還是(shi)(shi)(shi)很有效的(de)(de)。現在的(de)(de)穩(wen)(wen)壓(ya)器(qi)(qi)一(yi)般都(dou)具備調(diao)壓(ya)功(gong)(gong)(gong)能,既能調(diao)到(dao)220V。至(zhi)于品牌和價格,那就(jiu)不好說了。可(ke)以(yi)到(dao)家電(dian)市場(chang)看看,比較下。但是(shi)(shi)(shi)首先要(yao)確定(ding)(ding)是(shi)(shi)(shi)電(dian)壓(ya)過(guo)(guo)低,如果確定(ding)(ding)是(shi)(shi)(shi)電(dian)壓(ya)問題(ti)可(ke)以(yi)安(an)裝穩(wen)(wen)壓(ya)器(qi)(qi)解決。穩(wen)(wen)壓(ya)器(qi)(qi)的(de)(de)作用就(jiu)是(shi)(shi)(shi)把過(guo)(guo)高或過(guo)(guo)低的(de)(de)電(dian)壓(ya)穩(wen)(wen)定(ding)(ding)在220V。穩(wen)(wen)壓(ya)器(qi)(qi)要(yao)根據你(ni)用電(dian)設備的(de)(de)功(gong)(gong)(gong)率來選,要(yao)選大于你(ni)家空(kong)(kong)調(diao)額定(ding)(ding)功(gong)(gong)(gong)率(空(kong)(kong)調(diao)說明書(shu)中有標(biao)明)的(de)(de)穩(wen)(wen)壓(ya)器(qi)(qi)才能保證空(kong)(kong)調(diao)正常(chang)運行。穩(wen)(wen)壓(ya)器(qi)(qi)的(de)(de)價格是(shi)(shi)(shi)功(gong)(gong)(gong)率越(yue)(yue)大越(yue)(yue)貴。
空調穩壓器怎么選?
1、計(ji)算(suan)穩壓器的功率:空(kong)調(diao)(diao)主要負(fu)載為壓縮機(ji),所以(yi)屬于電(dian)(dian)機(ji)類負(fu)載,電(dian)(dian)機(ji)在(zai)(zai)瞬間啟動時電(dian)(dian)流是(shi)很大的,雖(sui)然現在(zai)(zai)很多空(kong)調(diao)(diao)都是(shi)變頻(pin)啟動的,但(dan)是(shi)在(zai)(zai)啟動時電(dian)(dian)流還是(shi)很大,那(nei)么在(zai)(zai)配(pei)備穩壓器時要留有(you)工作(zuo)余量,如果空(kong)調(diao)(diao)是(shi)2KW,穩壓器最好(hao)按(an)照3倍功率,配(pei)6KW的穩壓器。空(kong)調(diao)(diao)的功率怎么計(ji)算(suan),一般空(kong)調(diao)(diao)有(you)1P、1.5P、2P、3P,1P=0.75KW,大家按(an)照這(zhe)個(ge)計(ji)算(suan)就可以(yi)了(le)。
2、穩(wen)壓(ya)器的功(gong)率因數,目前市(shi)場上80%的穩(wen)壓(ya)器是0.7,20%的穩(wen)壓(ya)器功(gong)率因素是0.8,什么意思呢?就是10KVA的穩(wen)壓(ya)器,實(shi)際(ji)輸(shu)出(chu)功(gong)率 x 0.7=7KW
3、夏天在(zai)使用穩壓(ya)器時大部分是由(you)于(yu)外網電壓(ya)偏低,那(nei)么在(zai)選用穩壓(ya)器時要(yao)(yao)注意留有工作余量,一般實際(ji)負載不要(yao)(yao)超(chao)過穩壓(ya)器功(gong)率的80%,為什么呢?
我們來計算一下就知道(dao)了,外網電(dian)壓220V時(shi):6000W/220V=27A(電(dian)流(liu)),外網電(dian)壓170V時(shi) : 6000W/170V=35.3A(電(dian)流(liu)),經過比較可(ke)以看到,輸入電(dian)壓低(di)時(shi)電(dian)流(liu)越大,而穩(wen)壓器里面的變壓器的線徑是固定的,低(di)壓時(shi)承(cheng)受的電(dian)流(liu)要大很(hen)多。
4、按照上面方法計(ji)算:2KW空(kong)(kong)調(diao) X2倍 = 4KW, 這里(li)空(kong)(kong)調(diao)功率乘以(yi)2是(shi)因為空(kong)(kong)調(diao)的(de)(de)壓(ya)縮機瞬間(jian)啟動電流大;4KW/ 0.8=5KVA(穩(wen)壓(ya)器功率),這里(li)除以(yi)0.8是(shi)放(fang)置穩(wen)壓(ya)器的(de)(de)工(gong)作余量,5KVA / 0.8=6.25KVA(需(xu)要購買的(de)(de)穩(wen)壓(ya)器功率),這里(li)除以(yi)0.8是(shi)穩(wen)壓(ya)器的(de)(de)實(shi)際(ji)帶載能力只有80%。也就是(shi)2KW的(de)(de)空(kong)(kong)調(diao)配(pei)6KVA的(de)(de)穩(wen)壓(ya)器是(shi)這樣(yang)計(ji)算的(de)(de)。