what is the diff between VCB & ABCB breaker in substaions? explain the operating priciples of VCB & ABCB

1 Answers  

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1.What is captive power plant? 2.What is national grid?Give brief idea.

0 Answers  

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If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).

2 Answers  

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which VFD is better ( LT or HT)

0 Answers  

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Load break swicth maintenance procedure.

0 Answers   KSEB, L&T, Siemens,

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A resistance of 50 kΩ has a conductance of:(a) 20S(b) 0.02S(c) 0.02 mS(d) 20 kS

1 Answers  

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What is the magnetic field (coil DC ) of Turbo Expander?

0 Answers   TATA,

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SAY CORRECT DEFINITION... WHAT IS EDDY CURRENT LOSS? WHAT IS HYSTERESIS LOSS?

4 Answers  

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what is the function of Droop CT and where it is used?

3 Answers   Lanco,

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what is mean Boost voltage and what is working principle of Tube light

2 Answers   Trimax,

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in 220/132 substation in place of PT what equipment used & what r the role of that equipment

2 Answers  

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What is principle of Floroscent tube 36watt.

0 Answers   Diamiller, NDPL, Trident Hilton,

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