What are the specific gravity of fully charged and fully
discharged lead-acid battery?
if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??
What are the protection schemes used for protection of transformers ?
3 Answers Engineers India Limited,
If a Power Transformer Fails and the transformer manufacturer suggest that "Do all electrical test on the transformer?". What are the test to be conducted in this condition?
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why we can use 1 to 5V dc
What is the formula for calculating transformer Efficiency?
How to design power source say 5KW i/p :415v 3 ph, o/p 5KW constant, variable currnt and variable volatge 10-230v,
If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).
what is the principal of transformer?
is emf is indued if dc is passed through coil
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