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When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??
1 2345if flux and load static in dc motor and supply voltage increases 20% then what happened in speed
1872Shall we use Dyn1 transformer in place of Dyn11 for motor application as a distribution transformer
1 2845From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?
1739What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?
2608In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?
1688How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
1754Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????
1 3030What will happen if the rotor circuit of a slipring I.M. is kept open & electric supply is given to its stator winding.
2 7263Post New Electrical Engineering Questions
What are the types of piano switches?
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
what's producer of XLPE cable laying in undergroung
WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)
some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?
Zone of protection and tripping scheme of arc protection relay.
Name a govt approved university which have 100% online engineering course.
what is differnce btwen lll and lllg faults
why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.
What are safety device in vcb and acb?
What facility we get after CT secondary earthing and how?
Differentiate between low pass, high pass and band pass filter?
tell me some type of questions throught which i can prepare for exam and do my best
I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.
