what is surge impedance loading and it's significant in power system?

2 Answers  

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why most of the substations are rated in multiples of 11?

4 Answers  

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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Why the ceiling fan rotates in clockwise direction and table fan rotates in anticlockwise direction.

3 Answers   Kirloskar, MPF, Wipro,

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my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

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Why capacitor bank ratting Kvar?

1 Answers  

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WHy neutral to ground trips when neutral touches the ground

1 Answers  

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What is the drawback of class b amplifier?

0 Answers  

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what is derated current of power cable & what is formule to find derated current?

1 Answers   Thermon,

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what is the function of fire alarm system?

5 Answers  

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at present how many 765 kv lines are there in india?

5 Answers   Emco,

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