一、吊扇一般用多大的電容
吊扇的電容看電機大小而定的,有1微法的,也有2微法的,一般用2微法的多,吊(diao)扇的啟(qi)動電容一般2~2.5uF。
一般電(dian)動機功率65-100W,匹配2~4uf電(dian)容(rong)耐壓最好在650V,建議80W吊(diao)扇用(yong)3uF/400v的(de)啟動電(dian)容(rong),1.2至(zhi)1.5uF的(de)電(dian)容(rong)用(yong)于30W至(zhi)60W的(de)電(dian)扇還行。
單相(xiang)吊扇(shan)多為電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)運轉(zhuan)(zhuan)電(dian)(dian)(dian)(dian)(dian)機,電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)從(cong)風(feng)(feng)扇(shan)啟(qi)動開始就(jiu)(jiu)(jiu)一(yi)直參與(yu)運行,即(ji)按規律(lv)充放電(dian)(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)容(rong)(rong)量越大(da)(da)(da),充放電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流就(jiu)(jiu)(jiu)越大(da)(da)(da),產生(sheng)的電(dian)(dian)(dian)(dian)(dian)磁能(neng)就(jiu)(jiu)(jiu)越大(da)(da)(da),風(feng)(feng)扇(shan)轉(zhuan)(zhuan)速(su)就(jiu)(jiu)(jiu)越快,此時(shi)風(feng)(feng)扇(shan)轉(zhuan)(zhuan)速(su)會高于(yu)正常轉(zhuan)(zhuan)速(su),風(feng)(feng)扇(shan)磨損就(jiu)(jiu)(jiu)越大(da)(da)(da),發熱(re)也越大(da)(da)(da),壽(shou)命就(jiu)(jiu)(jiu)越短,而耗(hao)電(dian)(dian)(dian)(dian)(dian)量并(bing)非會增大(da)(da)(da)。
二、吊扇電容接線方法
總原則:火線經吊扇調速開關(guan),接入機(ji)頭(tou);零線直接接入機(ji)頭(tou)。
步驟:
1、受調速(su)器控(kong)制的火線,與零線,最好(hao)穿(chuan)(chuan)過吊桿(gan),主要是為(wei)了美觀。可以直接穿(chuan)(chuan)。
2、如(ru)果(guo)不好(hao)穿,可以把兩(liang)根電線(xian)的頭(tou)部絞(jiao)起來,再慢(man)慢(man)傳。還不好(hao)穿,則(ze)可以另(ling)外找(zhao)來一(yi)根線(xian),一(yi)端與兩(liang)根線(xian)綁好(hao)。
3、線的另一端穿過吊桿,線到達下面,使勁拉扯(che),直到電(dian)線出來。
4、機頭(tou)出廠的接法(fa),不(bu)要動。特別是圓圈(quan)中(zhong)的線頭(tou),不(bu)可拆開。
5、標有L字(zi)母的,接火(huo)線;標有N字(zi)母的,接零線,G10L接火(huo)線,N接零線。
6、正常情況(kuang)下,零線接上面的孔,火線接下面的孔。