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FAQ within [ Protection Relays ]
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It operates on a root mean square value of a fundamental wave. More Details >>
- No:23710
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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In CT circuit, it is 5 A. More Details >>
- No:23713
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. Other than MPD-3 type ZVT, it is similar to the distan... More Details >>
- No:23719
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. The high voltage receiving facility rule defines “The ... More Details >>
- No:23720
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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That is right. More Details >>
- No:23722
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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It recovers without retaining. More Details >>
- No:23723
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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That is described as below. (1) By laying ZCTs for two feeders having different loads, detected by one earth fault directional relay. In this case, it i... More Details >>
- No:23724
- Release Date:2018/09/19 17:16
- Update:2018/09/20 14:23
- Category: Protection Relays - MELPRO-A Series , MDG
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Up to 5 units. To connect 6 or more units, use Vo extended terminals (M-N) of a relay connected from MPD-3 type. From this Vo extended terminals, additional ... More Details >>
- No:23725
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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The operating time of the instantaneous factor operating characteristics
That is right. Standard JIS C 4602 defines it shall be 50ms or shorter when 200% of the settling value is input. More Details >>
- No:23706
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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Direction of the current in the incident detection
It is possible. More Details >>
- No:23712
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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