In AC Drives How can change & control its output Frequency?

5 Answers   Jindal,

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which circuit takes max. load & which circuit takes min. load i.e. SERIES CIRCUIT OR PARALLEL CIRCUIT??

3 Answers  

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Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

0 Answers  

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Why temperature rise test is conducted in bus bars and Isolators?

5 Answers   Areva,

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What is transformer tap changers please explain

3 Answers   Feedback Venture, Sail,

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how to reduce the power consumption in office ?

6 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

0 Answers  

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how does relay works?

16 Answers  

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in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

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how does damper winding produces torque in synchronous motor?

1 Answers  

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Pls mail me utility & Dg related question with answer

0 Answers  

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