成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">7、<span style="font-family:Microsoft Yahei;color:windowtext">在负序网络中，负序阻抗与正序阻抗不相同的是（）</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" style="line-height:150%">9、<span style="mso-bidi-font-size: 10.5pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">在下图所示电力系统中，当</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;font-family: "Arial",sans-serif;mso-font-kerning:0pt">f</span><span style="mso-bidi-font-size: 10.5pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">点（变压器三角形接线侧）发生</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;font-family: "Arial",sans-serif;mso-font-kerning:0pt">A</span><span style="mso-bidi-font-size: 10.5pt;line-height:150%;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;line-height:150%;font-family: "Arial",sans-serif;mso-font-kerning:0pt">B</span><span style="mso-bidi-font-size: 10.5pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">两相短路时，下述说法中正确的是（</span><span style="mso-bidi-font-size:10.5pt;line-height:150%;font-family:"Arial",sans-serif; mso-font-kerning:0pt"> </span><span style="mso-bidi-font-size:10.5pt; line-height:150%;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;line-height:150%;font-family: "Arial",sans-serif;mso-font-kerning:0pt"> <br> <v:shape id="图片_x0020_52" o:spid="_x0000_i1041" type="#_x0000_t75" style="width:233.4pt; height:52.8pt;mso-position-horizontal-relative:page; mso-position-vertical-relative:page"> <v:imagedata src="DLXTFX_DX.files/image017.jpg" o:href="http://222.240.210.171:8081/course/xtst/images/2-2-10.jpg"></v:imagedata> </v:shape></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">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">关于<span class="GramE">同杆双</span>回架空输电线路，下面说法中正确的是（</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] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; tab-stops:189.0pt">11、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">电力系统中发生概率最多的短路故障是</span><span lang="EN-US">(<span style="mso-spacerun:yes"> </span>) <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">18、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";color:windowtext">有备用电源接线方式的优、缺点是</span><span lang="EN-US" style="color:windowtext">(<span style="mso-spacerun:yes"> </span>)</span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt">24、<span style="font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">在电力系统的下列接线方式中，属于有备用接线的是（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">7、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">分析简单电力系统的暂态稳定主要应用</span><span lang="EN-US" style="color:windowtext">(<span style="mso-spacerun:yes"> </span>)</span></p>
- 2022-09-12 [单选] <p class="MsoPlainText" style="line-height:20.0pt">34、<span style="mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";color:windowtext">一般情况，变压器的负序电抗</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">X<sub>T</sub></span><sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">（</span></sub><sub><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">2</span></sub><sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">）</span></sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">与正序电抗</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">X<sub>T</sub></span><sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">（</span></sub><sub><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">1</span></sub><sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">）</span></sub><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">的大小关系为（ ）</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoPlainText" style="line-height:20.0pt">22、<span style="mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";color:windowtext">利用</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">P</span><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">—</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext">Q</span><span style="mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:windowtext">分解法和<span class="GramE">牛顿—</span>拉夫逊法进行潮流计算，二者的收敛速度是（ ）</span><span lang="EN-US" style="font-family:"Times New Roman",serif;color:windowtext"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">16、<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">电力系统<span class="GramE">一</span>相断线时的<span class="GramE">复合序网在</span>形式上与（</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">）的<span class="GramE">复合序网相同</span>。</span><span style="mso-bidi-font-size:10.5pt;font-family:"Arial",sans-serif;mso-font-kerning: 0pt"> </span></p>