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电力电容器安全检查技术 | 2009-5-13 8:29:00
Re:电力电容器安全检查技术
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2009-5-13 8:30:58
电力电容器运行要安全,平时的检查技术是保障。
Re:电力电容器安全检查技术
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2009-5-13 8:31:33
1 电容器不得装在高温、多尘、潮湿及有易爆易燃和腐蚀性气体的场所;
.2 当电容器外壳严重漏油、鼓肚、瓷套管严重放电、闪络响声或严重过热时,应立即退出运行;
3 电容器室应有温度指标,室温不得超过40℃,否则应装机械通风。电容器外壳温度不超过60℃;
Re:电力电容器安全检查技术
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2009-5-13 8:31:51
4 运行中的电容器组,三相电流应保持平衡,相间不平衡电流不应大于5%;
5 电容器组应有欠压保护,当母线电压低到宣传员定值的60%左右时,能从电网中自动切除;
6 户外落地安装的电容器下层电容器低部距地面应大于或等于0.4m,地面应有防潮措施四周应设网孔不大于20×20mm网状遮栏,高度大于或等于1.7m。电容器室应通风良好,进风窗应装网孔不大于10×10mm的钢网;
Re:电力电容器安全检查技术
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2009-5-13 8:32:20
7 电容器应有可靠的短路保持装置和超负荷装置;
8 电容组应装放电回路。禁止带电荷合闸。电容器停止运行后,至少放电3min方可再次合闸。
Re:电力电容器安全检查技术
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2009-5-13 8:32:41
掌握技术,保障安全
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