Why USe In -48 DC Volt !

3 Answers  

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What is the permissible sound level for 1000kva DG set and how the sound level is calculated.

1 Answers  

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HOW TO CALCULATE EACH PHASE CURRENT WHILE A MOTOR CONNECTED TO STAR- DELTA STARTER?

3 Answers  

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what is interfacing in computer studies?

0 Answers  

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 Answers  

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why we are used thermistor in motor

1 Answers  

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It is advisable 2 use auto-transformer if transformation ratio is-a)110KV/11KV,b)230kv/110kv,c)110kv/66kv,d) 400kv/230kv

2 Answers  

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why we are using earth pit in sub stations.?

0 Answers  

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i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.

1 Answers  

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What is the difference between earth fault and restricted earth fault protection?

1 Answers  

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why industry prefer ht motor instead of lt motor.

0 Answers  

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