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if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
1790why should small green grass ans small plant should not be there inside the transformer Yard in the factories
1680ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
1978Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.
2 2836What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?
SRM,
1914Post New Electrical Engineering Questions
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
what is the saturation point of crgo lamination.
State the frequency for rc phase shift oscillator?
what happen when power factor of 2 parallely operated transformer become equle?
In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem
i need mat lab program to find out the transmission line losses,regulation and losses
Tell me in detail about c.t. And p.t. ?
In a flange coupling, the flange bolts are designed for
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be
1. what is usage for power factor in industries?? 2.why we need to monitor power factor??
what is the differebt between ac and dc fuse?
Why let through energy not considered for ACB breaker while cable sizing?
what is RNG in the DG synchronizing by PLC?
When and where resistance earthing is used ? How to calculate the time constant for earth fault
