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How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?
How to decide whether A / B / C / D curve type MCB should be used?
hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.
what is mean by dual digital protection in the relay field?
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.
we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.
I want to know how to calculate the size of electricity cable in building?
what is the internal working of star delta starter
How line capacitance & line inductance varies with increase in height tower.
How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?
