Answer / rajesh

capacitor of the fan motor weaken after some time so it does not split phase with full capacity and produce low torque. if you change motor capacitor it will run fast.

Answer / ashok mishra

u can connect 1 more capacitor along with previous one in parallel
ur fan will run much more starter than previous speed but rating of capacitor  should be low as 1/3 value as already connected

define reactive power?

3 Answers   Alstom, TATA, TCS,

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How does the sensitive earth fault protection provided by cbct for motor can help in reducing the size of cable used to supply the motor?

1 Answers  

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difference b/w semiconductor and dielectric

2 Answers  

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why swinburnes test cannot be performed on series machines?explain

0 Answers  

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What is inductance?

0 Answers  

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what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

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Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

0 Answers  

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

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generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

1 Answers   ETA, RRR, TCS,

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what happens when we apply dc to a transformer

7 Answers   Siemens,

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specific difference of ICT&Auto Transformer

0 Answers   TNEB Tamil Nadu Electricity Board,

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Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

0 Answers   Sterling Wilson,

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