improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

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hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

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what is the different between DC & AC load Line.

1 Answers   Emarat,

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How to calculate phase to phase difference in 33KV Line ,11KV Line etc.

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How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

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how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?

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why make protection 85% of winding?

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Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

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As we know that during saturation test of CT from secondary side, the current in secondary shoots up after core saturation. How core saturation effects the secondary current?

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