问题详情

若三绕组变压器高中低三侧容量比为100/100/50,则变压器高低侧短路有功损耗的归算公式为:ΔPk(1-3)=( )。(ΔP′k(1-3)为未归算值)


A、<span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; mso-spacerun: \'yes\'">2<font face="宋体">Δ</font><font face="Times New Roman">P</font><font face="宋体">′</font></span><span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; VERTICAL-ALIGN: sub; mso-spacerun: \'yes\'">k(1-3)</span><p></p> <!--EndFragment-->

B、<span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; mso-spacerun: \'yes\'">0.5<font face="宋体">Δ</font><font face="Times New Roman">P</font><font face="宋体">′</font></span><span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; VERTICAL-ALIGN: sub; mso-spacerun: \'yes\'">k(1-3)</span><p></p> <!--EndFragment-->

C、<span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; mso-spacerun: \'yes\'">4<font face="宋体">Δ</font><font face="Times New Roman">P</font><font face="宋体">′</font></span><span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; VERTICAL-ALIGN: sub; mso-spacerun: \'yes\'">k(1-3)</span><span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; mso-spacerun: \'yes\'"></span><p></p> <!--EndFragment-->

D、<span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; mso-spacerun: \'yes\'">0.25<font face="宋体">Δ</font><font face="Times New Roman">P</font><font face="宋体">′</font></span><span style="FONT-FAMILY: \'宋体\'; FONT-SIZE: 10.5pt; VERTICAL-ALIGN: sub; mso-spacerun: \'yes\'">k(1-3)</span><p></p> <!--EndFragment-->

时间:2021-07-19 05:48 关键词: 电力系统自动化技术 高起专 电力系统分析 2019级第三学期期末考试

答案解析

C
C