i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

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control diagram of star delta starter

5 Answers  

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hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

0 Answers   Siemens,

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how to calculate the transformer losses.

4 Answers   Cipla,

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What is diversity factor in electric installations?

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why current flow throgh conductor.

2 Answers  

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Natural frequency in the control system represents nature of a. Transient response b. Oscillations c. Overshoot d. Speed of responce

1 Answers  

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at which places we use 6.6KV Transformers and Motors

4 Answers  

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How to calculate cable size for a particular load? i have 12 MW,11KV Motor 3 Phase, what should be cablesize? What are the points to remember for cable sizing calculations?

2 Answers  

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Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

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why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

0 Answers  

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