What does substation operator do in substation?

2 Answers   ABB,

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

0 Answers  

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for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

0 Answers  

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What is the basic principle of welding process?

0 Answers  

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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What are all the problems occured while ac generator running in leading power factor at full load condition?

1 Answers  

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what is resver in electrical enginnering with answer

0 Answers  

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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State thevenintheorem?

0 Answers  

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Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

12 Answers   ACC, JLL, ZETDC,

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how we calculate electrical load on a building according to area?

0 Answers   HFCL,

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derive DC RMS value for half wave rectifier?

0 Answers   BARC,

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