![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
380V电力系统公共连接点短时间闪变限值为(),长时间闪变限值为
A.0.8,1
B.1.0,0.8
C.0.9,0.7
D.0.8,0
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、1.0,0.8
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.0.8,1
B.1.0,0.8
C.0.9,0.7
D.0.8,0
B、1.0,0.8
A.10kV及以下配电变压器低压侧,功率因数不低于0.9
B.公共电网谐波电压限值为:380V的电网标称电压,奇次(1~25次)谐波含有率为3%,偶次(2~24次)谐波含有率为2%
C.公共电网谐波电压限值为:380V的电网标称电压,电压总谐波畸变率(THDu)为5%
D.供电受电端电压允许偏差:单相220V为标称电压的+7%、-10%
E.供电受电端电压允许偏差:三相380V为标称电压的±7%