Answer / najamkccl

the vector group designation indicates the winding
configurations and the diffrence in phase angle betwen
them(HV,LV).

FOR EXAMPLE.

a wye HV windings and delta LV widing with the 30
degree lead is denoted as Yd11.

Brushless excitation of synchronous generators and motors

2 Answers   AMIE,

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,

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What is the fusing factor ?

4 Answers   MESCOM Mangalore Electricity Supply Company Limited,

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

0 Answers  

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WHAT TYPES OF OIL(STRUCTURE) ARE USED IN POWER TRANSFORMER INSULATION?

4 Answers  

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what is interfacing in computer studies?

0 Answers  

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,

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dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

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the electric traction poles having 3 cables n two cables touches with a insulator (or any) another one separated but it will be running 1-phase why?

4 Answers  

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Why rating of transmission line in kv not in kva

2 Answers  

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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