2015-04-18
摘要(yao):针(zhen)对(dui)目前一些大(da)工厂(chang)高压(ya)用户(hu),特别(bie)是使用直流电机的轧钢企业,通过(guo)可(ke)控硅整流设备整流后,由于整流脉冲周期性关断(duan)和(he)导通的特性,对(dui)于6脉冲整流回路,产(chan)生6n±1(n=1,2…...
2015-04-17
背景 风力发电作为(wei)目前(qian)世界上可(ke)再生能源开发利用中技术最成熟、最具规(gui)模开发和商(shang)业化发展前(qian)景的发电方式之一,由于其在(zai)减轻(qing)环境(jing)污染(ran)、调整(zheng)能源结构(gou)、解(jie)决偏远地(di)区(qu)居民用电问题...
2015-04-16
电力电容(rong)器是一种(zhong)静止的(de)(de)无功(gong)(gong)补(bu)偿设备。它的(de)(de)主要作用是向(xiang)电力系(xi)统提供无功(gong)(gong)功(gong)(gong)率,提高(gao)功(gong)(gong)率因数。采用就地无功(gong)(gong)补(bu)偿,可(ke)以减少输电线路(lu)输送(song)电流,起到减少线路(lu)能量损耗(hao)和(he)压降,改...
2015-04-15
我局220kVXX站(zhan)10kVⅡ、Ⅲ段母(mu)线共配置8组(zu)电(dian)容(rong)(rong)(rong)器(qi)(qi)组(zu),单(dan)组(zu)容(rong)(rong)(rong)量(liang)10020kVar,型号:TBB 10-10020/334-BL,系(xi)XX电(dian)容(rong)(rong)(rong)器(qi)(qi)制造有(you)限公(gong)司产品。自2004年11月该站(zhan)投运以来(lai),10kV电(dian)容(rong)(rong)(rong)器(qi)(qi)组(zu)无功(gong)补偿投切较(jiao)为频繁...