Answer / vedprakash uppadhaya

voltage drop occurs in three phase lines due their line
capasitance ,inductance & resistance but drops are mainly
depend on their rectance(x)

Answer / shariff

Voltage drop will takes place due to the line resistance, ie. the IR drop.

Please mention available current rating for MCB,RCCB,MCCB in the market or any website

1 Answers   ETCO,

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What is the current carrying capacity of 35sq.mm flexible cable?

0 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,

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What is the meaning of STAR POINT? Why this important in CT and VT?

2 Answers   L&T,

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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How shall i design a liquid rotor starter

0 Answers  

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on 22.03.2015 at 17:15hrs Y phase 66kV class Power Trf-2 Current transformer has flashed over and oil came out. The failed CT has been replaced on 24.03.2015 at 13:15hrs and the Trf has been charged in presence of RT Hassan after conducting the pre-commissioning tests. On the same day at 17:00hrs the commissioned CT has again flashed over and immediately the Trf  has been isolated from power supply. It is confirmed the secondary is not opened and checked the earth integrity and is found ok. Here what would be the reason for the CT failure? 

2 Answers  

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what is negative current?

5 Answers   DTG, Siemens,

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How can calculate rotor temperature of the alternator? and is there any method to calculate that

1 Answers  

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what is meant by transformer oil temparature

3 Answers   Vijaya Bank,

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why neutral used in three phase motor connection?

3 Answers   BEL,

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How will calculate the current rating (withstanding capacity)of alumunium and copper cables?

1 Answers  

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