发明名称 |
INSULATION TESTING DEVICE FOR GAS INSULATED APPARATUS |
摘要 |
<p>In an insulation testing device for testing insulation characteristics of a gas insulated apparatus, at least one pair of positive and negative polarity impulse voltages each having a duration shorter than a half period of a commercial frequency voltage are applied to the gas insulated apparatus by a test voltage generator.</p> |
申请公布号 |
CA1268813(A) |
申请公布日期 |
1990.05.08 |
申请号 |
CA19870541467 |
申请日期 |
1987.07.07 |
申请人 |
HITACHI, LTD. |
发明人 |
YAMAGIWA, TOKIO;ISHIKAWA, TOSHIO |
分类号 |
G01R31/12;G01R31/327;G01R31/333;(IPC1-7):G01R31/12 |
主分类号 |
G01R31/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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