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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
2158by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.
HP,
1975why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?
2099what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?
3 9219what happens if the phase sequence of parrlel connected sys will changed & phase displacement
1 3687What is the actual formula for transformer short circuit test? below i given rating of the transformer.. 1000KVA, pri 11KV, Pri amp 56A. %Z 5.95..
2 6239why cant we use earth as neutral at home whereas neutral is actually grounded at transformer end?
4 7808when a airgap of the induction motor gets larger does it draw more current ??? does it power factor gets lower?
3 5420What is the de rating factor of cable? What is the importance of the de rating factor in cable select
2387Post New Electrical Engineering Questions
The electromagnetic torque developed is proportional to what in a D.C series motor?
Pl. share your experience about industrial-electronics repair of machine tool.
WHat is the general checks required for Dry type transformers
What is reactive power and where it is used.
How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.
How to calculate impedance volt in Transformer?
what types of cable used in underground coal mining?
What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)
What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
what is different between phase and netural
Is RTCC panel needs any control supply.
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
Why temperature rise is conducted in bus bars and isolators?
