Answer / guru

The motor will get low current rate and much voltage,so the efficient of machine is poor and low power factor.

Answer / hemant

normaly in star connection motor take very less current as
compare to delta connected. because of current get root 3
times less than phase current. in fact motor almost take
low current but low power factor also. you must know how
much load give to motor if motor load is hgh and its
connected star then it unable share load whether it requre
to delta.

Answer / sheikh

In star connection motor taking excessive current as compare to delta connection.

Answer / ali

Normally we have observed in several times that, when we switched on the any star delta motor than momentary time of star connection motor gets high current and current going to down when motor was shifted in delta

Answer / vetrivel

long time working in delta connection

-What is leakage current . how much leakage current is allowed.

3 Answers  

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I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

3 Answers  

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

0 Answers  

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pls send me some of the solved question booklet of Junior Engineer -2 (ELE) in RRB

1 Answers   RRB,

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How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

0 Answers   TCL,

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what is meant by generator differencial protection?

1 Answers  

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What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

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what is the distance b/w EHV lines? 1.8m 2.11m 3.4m 4.14m

7 Answers   HAL,

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voltage at generation stage is usually- ? a.11kv b.33kv c.66kv d.220kv

12 Answers  

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What is difinition of HIGH RESISTANCE FAULT and LOW RESISTANCE FAULT?

3 Answers  

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Explain the working of variable frequency transformer?

0 Answers  

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