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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
2823does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain
1920What effect of supplying stationary generator (800kVA) with 415V AC from 1500kVA transformer?
2 4616What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
NFL,
2042The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
1979Post New Electrical Engineering Questions
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
How to check the Bushings of the transformer?
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
What is the basic rule for block diagram reduction technique?
what are the breakdown voltage rating of mini- curcuit'transfarmer!
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks
what id a dry type transformers and its function ?
What is the difference between grid and off- grid system??
ROC converges if poles and zeros lie inside a. Origion b. Z=1
Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega
what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load
How many types are using in 220kv/400 kv swith yard
Differentiate between digital phase converter and ordinary phase converter.
How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?
