why neutral should connect to earth in delta-star type
transformer
Answer Posted / sinod kumar
to provide a path for odd harmonics(mainly 3rd &
5th)component of magnetizing current to get sinusoidal flux
and undistorted emf.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
briefly explain the main blocks found in a microprocessor based system
how to identify the cable quality and what is flame proof cable
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
during installation time of transformer and alternator which points we have to observed?
hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)
What do you understand by avr?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
What are the advantages & disadvantages of a group electrive drive?
Why is back emf used for a DC motor? Highlight its significance.
Why line VTG = √3 phase VTG in star? How?
how does directional relay work incase of ac ?
how to synchronize 3 phase slip ring induction motors of different ratings.
When and where resistance earthing is used ? How to calculate the time constant for earth fault
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?