Development of a Leakage Protector with Additional DC Source
Basic requirements of insulation resistance between isolated neutral power supply system of coal mine underground and ground were analyzed and principle and protection method of detecting insulation resistance by additional DC source were given. On the basis, a design scheme of software and hardware...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Industry and Mine Automation
2010-04-01
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| Series: | Gong-kuang zidonghua |
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| Online Access: | http://www.gkzdh.cn/article/id/287 |