can anibody tel me on what basis the transformer vector
groups are determined????
what maximum load will take a aluminum cable of 50mm 4 core.
We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.
Why is remote backup preferred to local backup?
what is reverse power relay brief explanation and in b/w where it is connected
Which type of gas used in cylinder (VCB)?????
Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments
What will happen if an AC induction motor is applied with DC voltage?????????Kindly give all the posssible answers...
what is the impedence
WHAT IS VFD,FUNCTION, PURPOSE,
what is slip ring startor
Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?
what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.
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