Draw the DOL starter and star delta starter drawing?
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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.
why are we maintaining some specific gravity in battery ?
what is the reason for harmonics introduced in the line
What will be the full load current of 60KVA UPS. Suggest for this formula.
how we can know which is Lv side and HV side of transformer by just seeing it?
I have draw the 350A DC current, so what is the size of cable i can use? Give me the answer with formula
What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?
What is meant by soft starter used in motors?
How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights
what is the effect of leading power factor on Power transformers in existing in major power utility
what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks
In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?