如干电池、蓄(xu)电池、直流发电机等(deng)。直流电源,是(shi)维持电路中(zhong)形成稳恒电压电流的装置。
变频器(qi)进线(xian)电源是市(shi)电,市(shi)电的N线(xian)是接(jie)地(di)(di)的,所以,L对(dui)地(di)(di)电压220V,N对(dui)地(di)(di)电压是0V。
直(zhi)流电(dian)源的(de)技术指标分(fen)为两(liang)种(zhong):一(yi)(yi)种(zhong)是特性指标,包括允(yun)许输(shu)(shu)(shu)入电(dian)压(ya)、输(shu)(shu)(shu)出(chu)(chu)电(dian)压(ya)、输(shu)(shu)(shu)出(chu)(chu)电(dian)流及输(shu)(shu)(shu)出(chu)(chu)电(dian)压(ya)调(diao)节范围等;另一(yi)(yi)种(zhong)是质量指标,用来(lai)衡量输(shu)(shu)(shu)出(chu)(chu)直(zhi)流电(dian)压(ya)的(de)稳(wen)定(ding)程度,包括稳(wen)压(ya)系(xi)数(或电(dian)压(ya)调(diao)整率(lv))、输(shu)(shu)(shu)出(chu)(chu)电(dian)阻(或电(dian)流调(diao)整率(lv))、纹波电(dian)压(ya)(周围与随机漂移)。
变频电(dian)源是将(jiang)市电(dian)中的(de)交流(liu)电(dian)经过AC→DC→AC变换, 输出为(wei)纯(chun)净(jing)的(de)正弦波,输出频率和电(dian)压 一定范(fan)围(wei)内可调。
直流电(dian)源可以代替电(dian)压(ya)(ya)表,因为它可以直接将电(dian)压(ya)(ya)、电(dian)流显示出来。
变频电源是将(jiang)市电中的(de)(de)交流电经过AC→DC→AC变换(huan), 输出为(wei)纯(chun)净正弦(xian)波的(de)(de)转换(huan)器,具有频率稳(wen)定(ding)、电压(ya)稳(wen)定(ding)、内(nei)阻等于零等优点。
变频电源的(de)行业应用(yong)(yong)越来(lai)越广泛,尤(you)其是电气行业,在生产加工活动中有着(zhe)非常重要的(de)作(zuo)用(yong)(yong)。
今天跟(gen)大(da)家(jia)分享一下直(zhi)流电(dian)(dian)(dian)源的知(zhi)识,直(zhi)流电(dian)(dian)(dian)源是能够为负载提(ti)供(gong)稳定直(zhi)流电(dian)(dian)(dian)的电(dian)(dian)(dian)子装(zhuang)置,它的供(gong)电(dian)(dian)(dian)电(dian)(dian)(dian)源大(da)部分都(dou)是交流电(dian)(dian)(dian)