20春学期《工厂供电及节能技术Ⅰ》在线平时作业1

adminhan

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电缆敷设的要求不包括（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电缆长度按实际长度增加</span><span lang="EN-US"><font face="Times New Roman">10%-20%</font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电缆的金属外皮金属缆头及金属支架等均应可靠接地</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp; </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电缆的结构应考虑到防水和防火</span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp; </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">明敷的电缆不应平行敷设与热力管道上部</span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">无须校验短路动稳定度的是</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">母线</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;</span></font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">绝缘子</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电缆</span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电器</span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">短路后经（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）时间后，短路电流达到最大值</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">0<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">0.01S<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;</span></font></span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">0.02S<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">0.03S</font></span></font></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: -21pt; MARGIN: 0cm 0cm 0pt 21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt" class="MsoNormal"><span style="mso-fareast-font-family: 'Times New Roman'" lang="EN-US"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp; </span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电力变压器二次绕组供电线路较长时的额定电压（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: -21pt; MARGIN: 0cm 0cm 0pt 21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></font></span></font></p>
B:<p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></font></span></font></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: -21pt; MARGIN: 0cm 0cm 0pt 21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">低于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%</font></span></font></p>
D:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: -21pt; MARGIN: 0cm 0cm 0pt 21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">10%</font></span></font></p>

&nbsp; <p class="MsoNormal" style="MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp; </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当供电系统发生故障时，要求最靠近故障点的保护装置动作，供电系统的其他部分仍能正常运行，这是指供电保护装置的（</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></p>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">选择性</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">速动性</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">可靠性</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> </span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">灵敏度</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电流互感器在工作时（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一次侧不得开路</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、一次侧不得短路</span><span lang="EN-US"><span style="mso-spacerun: yes"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二次侧不得开路</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span></font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二次侧不得短路</span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp; </span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电力变压器一次绕组非直接与发电机相连时的额定电压（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></font></span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">低于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%</font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">10%</font></span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">对厂区架空线路一般要求多长时间进行一次巡视检查（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp; </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">半个月</span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一个月</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">三个月</span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;</span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">半年</span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;</span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">不是高压隔离开关的特点是（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">断开后有明显地断开间隙</span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">没有专门灭弧装置，所以不允许带负荷操作</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可带励磁电流不超过</span><st1:chmetcnv w:st="on" unitname="a" sourcevalue="5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US"><font face="Times New Roman">5A</font></span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的空载变压器</span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可带电容电流不超过</span><st1:chmetcnv w:st="on" unitname="a" sourcevalue="5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US"><font face="Times New Roman">5A</font></span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的空载线路</span></font></p>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><font size="3"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;&nbsp; </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在无限大容量系统中，同一地点的两相短路电流为三相短路电流的（</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></p></font></font></span></span>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><font face="Times New Roman">根3/2</font></font></p>
B:<p><font face="Times New Roman" size="3">根3</font></p>
C:根2
D:根2/2

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;</span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电力变压器一次绕组直接与发电机相连时的额定电压（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%</font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></font></span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">低于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">5%</font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高于同级电网额定电压</span><span lang="EN-US"><font face="Times New Roman">10%</font></span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;</span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">熄灭电弧的条件（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">使触头闸间电弧中的去游离率大于游离率</span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">使触头闸间电弧中的去游离率小于游离率</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">升高温度使电弧中的热游离增强</span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">降低温度使电弧中的正负离子减弱</span></font></p>

&nbsp; <p class="MsoNormal" style="MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp; </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">工厂高压线路的继电保护装置中，起动继电器与电流互感器之间的连接方式，主要有</span><span lang="EN-US">_____</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电器式和</span><span lang="EN-US">_____</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电器式两种。</span><span lang="EN-US">(<span style="mso-spacerun: yes">&nbsp; </span>)</span></p>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">两相两继，两相一继</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">三相三继，三相两继</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> </span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">三相两继，两相一继</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">两相两继，三相两继</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">建筑物、智能楼宇内可以用的电力变压器和断路器为（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">油浸变压器、少油断路器</span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">油浸变压器、真空断路器</span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">干式变压器、少油断路器</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">干式变压器、真空断路器</span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp; </span></font></span></span><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电力系统视为无限大容量时，电力系统的总阻抗不超过短路总阻抗的（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），或者电力系统的阻抗超过用户供电系统容量的（</span><font face="Times New Roman"> <span style="mso-spacerun: yes">&nbsp;</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）倍。</span></font></p>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">&nbsp;1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％－</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％，</span><span lang="EN-US"><font face="Times New Roman">30<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></font></span></font></p>
B:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">&nbsp;5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％－</span><span lang="EN-US"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％，</span><span lang="EN-US"><font face="Times New Roman">50</font></span></font></p>
C:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">&nbsp;10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％－</span><span lang="EN-US"><font face="Times New Roman">15</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％，</span><span lang="EN-US"><font face="Times New Roman">60<span style="mso-tab-count: 7">&nbsp;</span></font></span></font></p>
D:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span lang="EN-US"><font face="Times New Roman">15</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％－</span><span lang="EN-US"><font face="Times New Roman">20</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％，</span><span lang="EN-US"><font face="Times New Roman">60</font></span></font></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">居民生活用电属于一级负荷。</span><span lang="EN-US"><font face="Times New Roman">(<span style="mso-spacerun: yes">&nbsp;&nbsp; </span>)</font></span></font></p>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">信号回路是指示一次电路设备运行状态的二次回路。（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）</span>
A:错误
B:正确

&nbsp; <p class="MsoNormal" style="MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: Arial">二次回路按用途分为：断路器控制</span></span><span class="apple-style-span"><span lang="EN-US" style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt">(</span></span><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: Arial">操作</span></span><span class="apple-style-span"><span lang="EN-US" style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt">)</span></span><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: Arial">、信号、测量和监视回路、继电保护和自动装置回路等。</span></span><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt"> </span></span><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: Arial">（</span></span><span class="apple-style-span"><span lang="EN-US" style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt"><span style="mso-spacerun: yes">&nbsp; </span></span></span><span class="apple-style-span"><span style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: Arial">）</span></span><span class="apple-converted-space"><span lang="EN-US" style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt">&nbsp;</span></span><span class="apple-style-span"><span lang="EN-US" style="BACKGROUND: white; COLOR: black; LINE-HEIGHT: 150%; FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></span></p>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">二次回路</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">(</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">即二次电路</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">)</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">：是指用来控制、指示、监测和保护一次电路运行的电路，亦称二次系统。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）</span>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">影响多台变压器并联运行的主要因素是环流。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: &quot;Times New Roman&quot;; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: &quot;Times New Roman&quot;; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）</span>
A:错误
B:正确