It is advisable 2 use auto-transformer if transformation
ratio is-a)110KV/11KV,b)230kv/110kv,c)110kv/66kv,d)
400kv/230kv
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A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
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.
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?
HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION
What will happen if the voltage in my house drops from 220V to any lower voltage?
what is meant by class 1 E in electrical power supply?
how mass curve differs from hydrograph.
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Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.
How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?
what is meant by motor startup supervision & motor load jam protection ?
What is Traction? 1KVA Alternator, How much urrent taken?
how maney type tempereture measurement ?
11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter