What are the difference between C-Curve and D-Curve for MCB's.17 177071
Why the generator rating in kva32 89051
what are the differences between MCB and MCCB ?19 31830
what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?1 5778
in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)1 8575
I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.41 394860
Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.5 15608
HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?6 17638
If single phase having 220v so why 3phase is440v.7 19446
why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?4 45597
what is the harmonics.3 3381
what is the difference between earth and neutral.9 7409
What is the function of UV coil ACB?6 36902
How much KVAr bank reqired for 630 KVA transformer on full load for maintain power factor upto.994 11744
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