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The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
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IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
What is meant by harmonic distortion?
The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power
What is the formula to calculate the no load current of a single & three phase induction motor
What was your role in the silicon evaluation/product ramp? What tools did you use?
Mention the methods for starting an induction motor?
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can someone explain that how the speed of the protection system affects the fault level calculation?
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
what things to be considered when designing UPS
What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA
In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?
what is under coal gassification?
