Why 30°phase shift occur in star-delta transformer between
primary and secondary?
There has to be a shift ,just overlap vector diagrams and see
| Is This Answer Correct ? | 2 Yes | 5 No |
why contactor not provided between output of VFD and motor?
kindly arrange to send me RRB Bangalore previous question paper for JE/Electrical and JE/Signal I am going to write exam on 2010
What is ignitor and why it is use in Hpmv lamp ?
How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer
2.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?
How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.
which VFD is better ( LT or HT)
why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.
what is principle of DG
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
A jet of fluid strikes a plate What was the force required to counter it?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
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