I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

0 Answers  

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what is numerical relay explain its operation

2 Answers   ABB,

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what is the std. earthing resistance for 440V system or m/c, 33000/440 Volt substation? What is the std.?

2 Answers  

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Difference between Earthing Truck & Earthing trolly for HT panel

0 Answers   Moolchand Medcity,

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What is duty cycle and protection class?

4 Answers   SISL,

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What is load shedding?

1 Answers  

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Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

0 Answers  

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how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

0 Answers   Student,

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what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

0 Answers   Jindal, Power Grid,

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