An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

1755

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1508

how the characterstics of control valve being done

1464

What is George phenomena to start the synchronus machine?

3645

how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

1424

How to measure the Harmonic Distortion of UPS ie THD?

1738

What is class ab operation?

641

should %impedance be high or low in a power transformer? if so why?

1481

how to carried out DAR test in 11 KV Alternator ?

1846

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1511

how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

1124

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1153

how to deside the capacity of chock for drive?

1620

What are the advantages and disadvantages of closed-loop control system?

704

does buccholz in a transformer use batteries

3932