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Answer Posted / vipin singhal
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Can RCD's used to protect the VVVF drive if not why.
what is charger supervision and control supervision?
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
If we want to change a contactor of faulty one what are the conditions want to fullfil
hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com
Can anybody tell abt concrete encased earthing or grounding?
What is bode plot?
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
Why 1/3 is used in symmetrical components?
Rules and standards of electrical control wiring ?
Is vtg is controlled by the resistor? if else how much?
I want to know Electrical Circuit?
what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load
