成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">38、<span style="font-family:宋体">电力系统的运行电压水平与</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;color:windowtext">(<span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span>)</span><span style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;color:windowtext">密切相关。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">24、 同步发电机，三种电势 <img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205085153_943.png"> 、E′、E″之间的大小关系为( )</p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">31、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">近似计算法中，变压器的变比应采用（</span><span style="mso-bidi-font-size:10.5pt;font-family:"Arial",sans-serif;mso-font-kerning: 0pt"> </span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei; mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family: Arial;mso-font-kerning:0pt">）。</span><span style="mso-bidi-font-size:10.5pt; font-family:"Arial",sans-serif;mso-font-kerning:0pt"> </span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">3、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">不同类型短路对电力系统并列运行暂态稳定性的影响也不一样，下述说法中正确的是（</span><span style="mso-bidi-font-size:10.5pt;font-family:"Arial",sans-serif;mso-font-kerning: 0pt"> </span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei; mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family: Arial;mso-font-kerning:0pt">）。</span><span style="mso-bidi-font-size:10.5pt; font-family:"Arial",sans-serif;mso-font-kerning:0pt"> </span></p>
- 2022-09-12 [单选] 22、系统发生两相短路故障时，复合序网的连接方式为（ ）。
- 2022-09-12 [单选] <p class="MsoNormal">35、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei; mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family: Arial;mso-font-kerning:0pt">如三相短路瞬间</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:"Arial",sans-serif;mso-font-kerning:0pt">A</span><span class="GramE"><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning: 0pt">相非周期</span></span><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family: Arial;mso-font-kerning:0pt">电流<span class="GramE">起始值</span>为最大值，则</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"Arial",sans-serif; mso-font-kerning:0pt">B</span><span style="mso-bidi-font-size:10.5pt; font-family:Microsoft Yahei;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;mso-font-kerning:0pt">、</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"Arial",sans-serif;mso-font-kerning: 0pt">C</span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei; mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family: Arial;mso-font-kerning:0pt">两相非周期分量电流起始值（</span><span style="mso-bidi-font-size: 10.5pt;font-family:"Arial",sans-serif;mso-font-kerning:0pt"> </span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">）。</span></p>
- 2022-09-12 [单选] 24、供电系统短路故障中，短路危害最大的短路类型一般为（ ）。
- 2022-09-12 [单选] 25、一般情况，变压器的负序电抗<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220317/20220317093018_930.png" width="auto" height="auto" style="max-width:100%">与正序电抗<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220317/20220317101052_479.png" width="auto" height="auto" style="max-width:100%">的大小关系为（ ）
- 2022-09-12 [单选] 26、负序阻抗与正序阻抗不相同的是（ ）。
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-left:14.15pt;text-indent:-14.15pt; mso-char-indent-count:-1.35;line-height:20.0pt;mso-line-height-rule:exactly; tab-stops:191.4pt">34、<span style="font-family:宋体">电力系统潮流计算主要求取的物理量是（ <span class="GramE"> </span>）<span lang="EN-US"> <o:p></o:p></span></span></p>