Mahadeva Kumar
Mahadeva Kumar
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Schematic of 220 V DC Dubas make Battery charger
Schematic of 220 V DC Dubas make Battery charger
มุมมอง: 81

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Troubleshooting 66KV ABB breaker Mecansnism not tripping problem5:10Troubleshooting 66KV ABB breaker Mecansnism not tripping problem
Troubleshooting 66KV ABB breaker Mecansnism not tripping problem
มุมมอง 7102 ปีที่แล้ว
Nature of Problem : Breaker not tripping . Reason : Charging spring is partially charged.
Earth fault Relay problem with solution.5:47Earth fault Relay problem with solution.
Earth fault Relay problem with solution.
มุมมอง 432 ปีที่แล้ว
Sometimes EFR relay won't work for Fault currents with low value like 100 to 120 % of the set value. in this video it's demonstrated the Nature of problem and also discussed the reason for the same with s olution.
Meter constant calculation for ETV meters13:22Meter constant calculation for ETV meters
Meter constant calculation for ETV meters
มุมมอง 2.2K3 ปีที่แล้ว
Meter constant calculation for ETV meters

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