why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
Answer Posted / guest
excitation
| Is This Answer Correct ? | 2 Yes | 7 No |
Post New Answer View All Answers
how to convert lv line to hv line and viseversa, any losses will occur during this process
Post possible questions for Power Factor Panel FAT / SAT
Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.
what is cascade speed control device?and how this device control the speed of motors?
What is the need of generator relay panel
what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing
In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
Discuss about gear cutting machines.
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
Why we are going for converter transformers for DC drives application instead of distribution transformer?
What products have you designed which have entered high volume production?
What is the maximum percentage voltage drop (vd%)for a motor control center
why occ characteristics curve in not tracing back when we are bringing back the rhoestat?
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.