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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
PPIL,
1812If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)
2023i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?
1955if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .
BSNL,
1723what is difference between speed mode and torque mode in motor?? explain in simple words please.
1650If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V
1718How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?
1 284011kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
1744Post New Electrical Engineering Questions
how to compute kvar in substation feeder to improve power factor and sending voltage
What is the normal phase difference between the voltage and the no-load current in a transformer?
What are test signals and their significance?
if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current
we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.
i want to model paper for section engg.
what is the difference between c power and U power acb breaker
Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??
WRITEDOWN FEW RELY CODES
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?
how to check three phase motor torque value?
I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
How to Calculate the Fault Level of Electrical Installation
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