what is the prinsiple of dc motor and construction and working ,application of dc motor.

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what is sevice settings for mccb?How can be it setted?

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How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

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any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

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Draw SLD for a panel has 500A Bus Bar rating, with 4 outgoing, each is 80 A (load current), showing the transformer and capacitor bank rating.

0 Answers   FEWA,

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A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

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what is the purpose of high speed earth switch in gas insulated substat

0 Answers   ABB,

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how to calculate the minimum permissible limts of insulation resistance of switchyard equipments

1 Answers   HVPNL,

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hi, is there a difference in choosing bus bar for DC or AC ,,if there can anyone help me about. thanks

1 Answers  

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An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

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How the frame size of a flange mounted AC induction motor is calculated?

0 Answers   APCPDCL,

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defination of lines

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