Answer / ashok

An electronins ckt which controls the speed of AC/DC motors

Answer / vinay

drive mean a mechanical device to do the specific task
drives are ac drives and cd drives the drive workds on ac is called ac drive in dc called dc drive.

Answer / abhishek goyal

Circuit made of electrical (choke,power cable)and electronic
(SCR,IGBT)to control the speed of AC/DC MOTOR. it can be
control voltage, current, frequency etc.

what is the voltage between earth to neutral in lift.

0 Answers   SIPL,

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How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

2 Answers   UltraTech,

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

0 Answers  

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Hello Can I use step up HV transformer 440/4160V as a step down? Thanks Evgeny

5 Answers  

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132 KV TRFO BUSHING BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

2 Answers   MRF,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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Write down the design procedure of commutaj.

0 Answers  

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ohms law aplicable

16 Answers   APGenco,

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

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ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

0 Answers  

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