how the earthing point or earthing is taken for ships and airplanes?

1 Answers  

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what is the dis-advantage of 3 phase 3 wire energy meter?

1 Answers   Exide, Nelco,

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why are maintine power factor 0.99 in Eb line? why are used capacitor bank in Eb line? what is the purpose capacitor bank?

4 Answers   TNEB Tamil Nadu Electricity Board,

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1. which type of transformer connection is preferred in case of power supply transformers? (A) Star/Star (B) Delta/Delta (C) Star/Delta (D) Zig Zag/Star 2. In a power transformer usuall which winding is closer to the core? (A) Primary winding (B) Secondary winding (C) Low Voltage winding (D) High Voltage winding 3. The power factor of a purely inductive load is (A) Zero (B) Lagging (C) Leading (D) Unity.

9 Answers   CECRI_Central_Electrical_Research_Institute,

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can i connect REF and Differencial relay in 1 CT core for transformer protection?

0 Answers  

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how give earthing conection to household equipment?

0 Answers  

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why does the time taken for fuse to melt is longer as the wire length increases?

1 Answers  

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line diagram for mcb , mccb , rccb .

1 Answers  

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What are the uses of lead compensator?

0 Answers  

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HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER

0 Answers   AITM,

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Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 Answers  

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what is stiffness factor

2 Answers   NTPC, Power Plant,

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