干式變壓器中性點要接地嗎
Hi,大家好,眾所周知創聯匯通是一家經營多年的專業變壓器電力公司,對于干式變壓器、油浸式變壓器、地埋式變壓器、箱式變壓器等有這豐富的制造經驗和完善的服務解決方案。那么今天創聯匯通繼續為大家分享變壓器行業知識。 干式變壓器中性點要接地嗎
在連接干式變壓器的時候會發現干式變壓器要進行正確的去連接的,還要注意常見的連接的方式和主要的連接的方法,干式變壓器連接(jie)的(de)(de)時候一定要注意(yi)中(zhong)性點(dian)(dian)進行接(jie)地才是可以的(de)(de),要不然的(de)(de)話會使得干式變(bian)壓器出現各(ge)種各(ge)樣的(de)(de)危(wei)險的(de)(de)。干式變(bian)壓器因此必(bi)須要進行中(zhong)性點(dian)(dian)去接(jie)地的(de)(de)。
干(gan)式(shi)(shi)(shi)變(bian)壓器(qi)的(de)(de)(de)(de)(de)中(zhong)(zhong)(zhong)(zhong)性點(dian)一(yi)般(ban)要求接(jie)地(di)(di)(di)。三相交流電(dian)(dian)(dian)(dian)(dian)力(li)系(xi)統中(zhong)(zhong)(zhong)(zhong)性點(dian)與大(da)地(di)(di)(di)之間(jian)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)氣(qi)連接(jie)方(fang)(fang)式(shi)(shi)(shi),稱為(wei)電(dian)(dian)(dian)(dian)(dian)網(wang)中(zhong)(zhong)(zhong)(zhong)性點(dian)接(jie)地(di)(di)(di)方(fang)(fang)式(shi)(shi)(shi)。中(zhong)(zhong)(zhong)(zhong)性點(dian)接(jie)地(di)(di)(di)方(fang)(fang)式(shi)(shi)(shi)涉及電(dian)(dian)(dian)(dian)(dian)網(wang)的(de)(de)(de)(de)(de)安全可靠性、經濟性;同時直接(jie)影響系(xi)統設備(bei)絕緣(yuan)水平(ping)的(de)(de)(de)(de)(de)選擇、過(guo)電(dian)(dian)(dian)(dian)(dian)壓水平(ping)及繼(ji)電(dian)(dian)(dian)(dian)(dian)保護方(fang)(fang)式(shi)(shi)(shi)、通訊(xun)干(gan)擾(rao)等。一(yi)般(ban)來說,電(dian)(dian)(dian)(dian)(dian)網(wang)中(zhong)(zhong)(zhong)(zhong)性點(dian)接(jie)地(di)(di)(di)方(fang)(fang)式(shi)(shi)(shi)也(ye)就(jiu)是變(bian)電(dian)(dian)(dian)(dian)(dian)所中(zhong)(zhong)(zhong)(zhong)干(gan)式(shi)(shi)(shi)變(bian)壓器(qi)的(de)(de)(de)(de)(de)各級(ji)電(dian)(dian)(dian)(dian)(dian)壓中(zhong)(zhong)(zhong)(zhong)性點(dian)接(jie)地(di)(di)(di)方(fang)(fang)式(shi)(shi)(shi)。三相四線的(de)(de)(de)(de)(de)干(gan)式(shi)(shi)(shi)變(bian)壓器(qi)中(zhong)(zhong)(zhong)(zhong)性點(dian)不接(jie)地(di)(di)(di)的(de)(de)(de)(de)(de)話,在三相負載不平(ping)衡的(de)(de)(de)(de)(de)情況下(xia), 中(zhong)(zhong)(zhong)(zhong)性點(dian)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)位會升高(gao),這(zhe)樣的(de)(de)(de)(de)(de)情況下(xia)零(ling)線會帶電(dian)(dian)(dian)(dian)(dian)不安全.因為(wei)負荷不平(ping)衡,中(zhong)(zhong)(zhong)(zhong)性線有(you)電(dian)(dian)(dian)(dian)(dian)流,中(zhong)(zhong)(zhong)(zhong)性點(dian)漂了(le)。接(jie)地(di)(di)(di)可以(yi)抑制(zhi)中(zhong)(zhong)(zhong)(zhong)性點(dian)漂移。中(zhong)(zhong)(zhong)(zhong)性點(dian)接(jie)地(di)(di)(di)后能使偏高(gao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)位降(jiang)至安全的(de)(de)(de)(de)(de)范圍.
以上(shang)是常(chang)見(jian)的干式(shi)變壓(ya)(ya)器(qi)中(zhong)性點(dian)接地的主要的方(fang)法和(he)必須要進行(xing)中(zhong)性點(dian)接地的,對于干式(shi)變壓(ya)(ya)器(qi)的中(zhong)性點(dian)您了解多(duo)少呢?我們還(huan)是和(he)干式(shi)變壓(ya)(ya)器(qi)廠的小編進行(xing)詳細去了解吧(ba)!
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