Answer / sabnavees

The principle of servo motor is the error sensing feedback
to correct the performance of a mechanism.

Answer / syamu

it have two types
1.ac servomotor
2.dc servo motor

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

0 Answers   Modi Builders,

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how electronic energy meter works?

12 Answers  

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what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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Whatis the current capacity of 33KV/ 0.433KV transformer on Primary and secondary side/

1 Answers  

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

0 Answers  

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how a single machine can act as both motor and generator? and give explanation interms of connections?

1 Answers  

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What are the difference between off-load tap changer and on-load tap changer in transformer?

2 Answers   HCL,

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How to resolve if Diesel generator stop while running ?

0 Answers   Toyota,

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What is Partial Discharge test .Please specify that this test can be test on 11/0.433 KV,630 KVA Transformer.

1 Answers   NBCC,

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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how to find number of run for transformer & alternator secondary side? give the example.

2 Answers   Powergear, Regen Powertech,

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what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

13 Answers   Apollo, OPS,

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