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what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?
1 3638Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
1911my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
2064Post New Electrical Engineering Questions
What is the function of attenuator in cro?
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
Which material is used for the core of a transformer and why?
What is the formulae of Megger value for a A.C.Motor
What it the purpose of parallel phasing transfomers??
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
What are PLC leader logic program method
What is hipot test procedure?
How to determine alternating current frequency?
how current is reverse from its normal direction during the fault?
List the time domain specifications.
operation of protection relay watchdog contact?
What is BusBar integrity test and how it is conducted?
How do we calculate over and under frequency tolerance from generator data?
can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)
