Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 Answers  

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Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

1 Answers  

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what is use of capacitor in fan

8 Answers   ABB,

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what will happen ac motor give to dc supply

9 Answers   Areva, College School Exams Tests,

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Why grables are put in substation?

1 Answers  

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Why the outpet og DG is 415V not 440V?

1 Answers  

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why phase to phase voltage are 290 rather then 440?

1 Answers   Bosch,

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explain all the classes with example

0 Answers  

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how we can classify the circuit braker???????

1 Answers  

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What is kvar?

0 Answers  

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what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

0 Answers   ABB, Genpect,

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

6 Answers   GE,

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