发明名称 |
Method and arrangement for monitoring the function of an active reduction protection device |
摘要 |
A method and an arrangement for monitoring the function of an active reduction protection device are indicated, wherein the input voltage is obtained from a non-earthed pilot wire, the method being characterised in that a voltage obtained from the cable sheathing current is compared with the pilot wire voltage and an alarm is activated if the ratio of these voltages deviates from a normal value.
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申请公布号 |
DE3804548(C1) |
申请公布日期 |
1989.02.23 |
申请号 |
DE19883804548 |
申请日期 |
1988.02.13 |
申请人 |
ANT NACHRICHTENTECHNIK GMBH, 7150 BACKNANG, DE |
发明人 |
FORM, ERNST, 7158 SULZBACH, DE |
分类号 |
H04B3/11;H04B3/28;H04B3/46 |
主分类号 |
H04B3/11 |
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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