what happen when dc shunt motor field is sudden open in
running condition
Answer Posted / darababu
motor stop as there will not be no torque..and protected by relay..
| Is This Answer Correct ? | 7 Yes | 7 No |
Post New Answer View All Answers
In convertor can we use rectifier thyristor in place of invertor thyristor with explain.
What is the transfer function?
What is the difference between voltages or potential difference? And what are they?
What is superposition theorem?
What is the actual meaning of thermal power efficiency ?
How to calculate the value of earth capacitance in a transmission line.
high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...
How we calculate the size of ht cable for any transformer
What type interview questions ask in Electrical technicians
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
what is negative d.c. voltage, why this voltage is used in base transciever station.
How to select a contactor? How many types of contactors are available
what is the use of permanent magnet generator in exciter
what about GD square and its important for motor design?