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在三菱plc中,辅助继电器的作用是用作中间暂存,数据运算等,不能直接对外进行输入或输出。
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阻抗继电器精确工作电流是什么?有什么意义?
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<span style="font-size:14px;font-family:'Calibri',sans-serif">CRH380A</span><span style="font-size:14px;font-family:宋体">型动车组主电路,牵引变流器模块中,电路符号</span><span style="font-size:14px;font-family:'Calibri',sans-serif">K</span><span style="font-size:14px;font-family:宋体">代表(&nbsp;&nbsp;</span><span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;</span><span style="font-size:14px;font-family:宋体">)。</span>
选项: A:<p><span style="font-size:14px;font-family:宋体">继电器</span></p> B:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;</span><span style="font-size:14px;font-family:宋体">接触器</span></p> C:<p><span style="font-size:14px;font-family:宋体">开关</span></p>
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<span style="font-size:14px;font-family:'Calibri',sans-serif">PanDCOV</span><span style="font-size:14px;font-family:宋体">是</span>( )
选项: A:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;</span><span style="font-size:14px;font-family:宋体">受电弓隔离开关</span></p> B:<p><span style="font-size:14px;font-family:宋体">受电弓隔离开关辅助开关</span></p> C:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;</span><span style="font-size:14px;font-family:宋体">受电弓隔离开关延时继电器</span></p> D:<p><span style="font-size:14px;font-family:宋体">受电弓隔离开关断开电磁阀</span></p> E:<p><span style="font-size:14px;font-family:宋体">受电弓隔离开关闭合电磁阀</span></p>
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<span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;</span><span style="font-size:14px;font-family:宋体">下列选项,表示交流过电流继电器的是(&nbsp;&nbsp;</span><span style="font-size:14px;font-family:'Calibri',sans-serif"></span><span style="font-size:14px;font-family:宋体">)。</span>
选项: A:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">ACCT</span></p> B:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">&nbsp;CT</span></p> C:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">CTU</span></p> D:<p>ACOCR</p>
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CRH380A<span style="font-family: 宋体;">型动车组</span>VCB<span style="font-family: 宋体;">控制电路中,</span>VCBCS<span style="font-family: 宋体;">是(</span>&nbsp;&nbsp;<span style="font-family: 宋体;">)。</span><br>
<p><br></p>
选项: A:<p>&nbsp;VCB<span style="font-family:宋体">闭合继电器</span></p>
<p><br></p> B:<p><span style="font-size:14px;font-family:'Calibri',sans-serif">VCB</span><span style="font-size:14px;font-family:宋体">断开继电器</span></p> C:<p>&nbsp;VCB<span style="font-family:宋体">闭合开关</span></p>
<p><br></p> D:<p>VCB<span style="font-family:宋体">断开开关</span></p>
<p><br></p>
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CRH380A<span style="font-family: 宋体;">型动车组</span>VCB<span style="font-family: 宋体;">控制电路中,</span>VCBOR1<span style="font-family: 宋体;">是(</span>&nbsp;&nbsp;<span style="font-family: 宋体;">)。</span><br>
<p><br></p>
选项: A:<p>VCB<span style="font-family:宋体">闭合继电器</span>1</p>
<p><br></p> B:<p>VCB<span style="font-family:宋体">断开继电器</span>1</p>
<p><br></p> C:<p>VCB<span style="font-family:宋体">闭合开关</span></p>
<p><br></p> D:<p>VCB<span style="font-family:宋体">断开开关</span></p>
<p><br></p>
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CRH380A<span style="font-family:宋体">型动车组</span>VCB<span style="font-family:宋体">控制电路中,</span>VCBOR1<span style="font-family:宋体">是(</span>&nbsp;&nbsp;<span style="font-family:宋体">)</span>
<p><br></p>
选项: A:<p>&nbsp;VCB<span style="font-family:宋体">闭合继电器</span>1</p>
<p><br></p> B:<p>&nbsp;VCB<span style="font-family:宋体">断开继电器</span>1</p>
<p><br></p> C:<p>VCB<span style="font-family:宋体">电磁阀</span></p>
<p><br></p> D:<p>&nbsp;VCB<span style="font-family:宋体">断开开关</span></p>
<p><br></p>
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什么是中间继电器?其主要用途是什么?
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在三菱plc中,辅助继电器的作用是用作中间暂存,数据运算等,不能直接对外进行输入或输出。
选项: A:对 B:错