how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????
2376does 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
1395What effect of supplying stationary generator (800kVA) with 415V AC from 1500kVA transformer?
2 3719What 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,
1572The 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.
1477Post New Electrical Engineering Questions
How would you calculate power loss in a resistor?
what is the formula of starting current of 3phase and 1 phase motor???
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
What are the common sources of energy?
How to synchronization will be done between two DGs ?
which type of effect of turbine and generator reverse power protection ?
What is precision of a measurement?
What is CCT (Correlated Color Temperature) ?
what are the advantages and disadvantages of oil filled cables over XLPE cables
If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?
what is the meaning of the symbol << >> put in transformer drawing
In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????
what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm
Pl. share your experience about industrial-electronics repair of machine tool.
State the frequency for rc phase shift oscillator?