dl 5014-92.html

电气专业设计规范

style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>二、相控电抗器回路与谐波滤波器回路宜固定连接在一起并为一个分支。</span><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal align=center style='text-align:center;line-height:18.0pt;
mso-layout-grid-align:none'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>第二节</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>并联电抗器和并联电容器及其</span><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal align=center style='text-align:center;line-height:18.0pt;
mso-layout-grid-align:none'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>配套设备的接线方式</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal align=left style='text-align:left;line-height:18.0pt;
mso-layout-grid-align:none'><span style='font-family:宋体;mso-hansi-font-family:
"Times New Roman"'><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b
style='mso-bidi-font-weight:normal'><span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>第</span>3.2.1</b><b
style='mso-bidi-font-weight:normal'><span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>条</span></b><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>低压并联电抗器回路的断路器或负荷开关应根据所供配套设备及最终接线等经技术经济比较确定。</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.2</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>当母线短路电流超过低压并联电抗器回路的断路器允许值时，可经技术经济比较选择下列接线方式：</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>一、断路器前加装限流电抗器；</span><span lang=ZH-CN style='font-family:
宋体;mso-hansi-font-family:"Times New Roman"'> </span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>二、选用较高电压等级、额定开断电流符合要求的断路器；</span><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>三、只装设大容量总断路器，用来开断短路及负荷电流，分支回路装设负荷开关；</span><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>四、断路器装于电抗器中性点侧。</span><span lang=ZH-CN style='font-family:
宋体;mso-hansi-font-family:"Times New Roman"'> </span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.3</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>当低压并联电抗器回路采用会产生较高截流过电压的断路器或负荷开关</span>(<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>含真空断路器或真空负荷开关</span>)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>时，应加装金属氧化物避雷器加以保护。避雷器应装设在断路器的并联电抗器侧。</span><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.4</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>低压并联电抗器宜采用星形接线方式。</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.5</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>具有串联段的</span>15.75<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>～</span>63kV<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>大容量并联电容器组宜采用中性点不接地的双星形接线。</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.6</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>电容器装置每相为多段串联时，应采用先并联后串联的接线方式，并联电容器组每个串联段中并联电容器的并联台数应大于最小允许并联台数，同时应小于最大允许并联台数。最大允许并联台数由单个电容器的耐爆容量及熔断器的涌放电流开断能力决定。最小允许并联台数由一台电容器故障切除后其它并联电容器过电压不导致整组电容器停运而定。当在串联段中超过最大允许并联台数时，可在串联段间连接的均压母线处分列，以减少并联台数，但分列后的并联台数仍应满足最小允许并联台数的要求。</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.7</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>条</span></b><span lang=ZH-CN
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>电容器装置应设置满足电容器投切要求的专用断路器，分组断路器不能满足开断短路的要求时，应增设开断短路用的总断路器。</span><span
lang=ZH-CN style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:18.0pt;mso-layout-grid-align:none'><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span>3.2.8</b><b style='mso-bidi-font-weight:
normal'><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New R