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what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing
2623draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it
2678- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
2696Post New Electrical Engineering Questions
How can we convert 11 kv to 440 volt without using transformer ?
how meger function
How phase to phase voltage comes 440V.
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?
Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv
how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.
How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?
what happen if drive input fail momentry at 48.5 HZ frequency?
what is the responsibility of C license holder in industry?
Please brief what is sinewave
before synchronizing an alternator,power factor is leading ,why?
raleigh method
Name two types of electrical analogous for mechanical system.
Why power genaration in India is at 50HZ while America its 60HZ
