Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
()即说明变压器二次电压变化的程度大小,是衡量变压器供电质量的数据。...
Monday, September 25, 2023
为加强(),(),保证()、()和(),依据国家有关法律、法规,结合(),制定本规程。...
Tuesday, November 14, 2023
两个及多个阻值相等的电阻并联,其等效电阻(即总电阻)()各并联支...
Friday, September 16, 2022
Tuesday, September 13, 2022
当人需要接触漏电设备时,为防止接触电压电击,应戴上绝缘手套,穿上...
Friday, September 16, 2022
为保证继电保护动作的选择性,一般上下级保护的时限差取()。...
Friday, September 16, 2022
在电路中,负载消耗功率等于电源产生的功率与内阻损耗的功率()。...
Sunday, September 11, 2022
为了分析负荷率,常采用()A、年平均负荷B、月平均负荷C、日平均负荷...
Saturday, September 16, 2023
直埋10KV直流电缆相互水平接近时的最小净距为0.5m。...
Sunday, September 11, 2022
电缆终端处最大径向场强取值越小,应力锥直径越大,电气安全裕度越大...
Friday, September 16, 2022
各电气设备的零线不允许串接,应各自与零线N的干线直接相连。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022