explain the mode of metal iranafer in Co,welding
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how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.
What are the effects of armature reaction on a DC machine and discuss the various methods to reduce the effect.
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.
Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.
21 Answers College School Exams Tests, HC, HCL, Jaypee, JPMorgan Chase,
What are gain margin and phase margin?
why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?
what is bausbar?
what is the usage of microcontroller in the panel board?
what the different between earthing and grounding?
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