Answer / anupam

freequency converter converts the level of frequency where
as inverter changes d.c to a.c and vice versa...

Answer / khatib

frequency converter you can change the frequency only , but
in the inverter you can change the voltage in rated to
frequency as : v/f = constant , this type make a torque more
efficient than the first method.

how to identify conection leads of an unknown electric motor

0 Answers  

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Why is tan-delta test and capacitor measurement done on alternator?

0 Answers   TD Power Systems,

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what is Harmonic effect?

2 Answers  

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(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

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what will hapen if we give ac supply to dc motor?

2 Answers  

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How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

0 Answers  

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What is the male and female contactors.where is it's used and what is the deferent betweens

1 Answers   Standard Chartered,

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If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

0 Answers  

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reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?

2 Answers  

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what is the relation between Sq mm of wire and its current carrying capacity?

5 Answers   Finolex,

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what is the meaning of "i.p.-43" and duty cycle-s1 on the name plate of a asynchronous machine?

1 Answers  

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An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

0 Answers   HAL,

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