which type of motor is suitable for lift?
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What is the meaning of C1, C61, C91 cable
hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??
how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.
In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?
How can we measure the residual voltage in dc machines?
why do we have spikes enough to burn electronic boards, when generators are not grounded
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
how rectifier transformer work in electroststic precipetatore(esp?
Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
what is Fan Control Cubicle
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.
what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
