Answer / ganesan

check the transforemer name plate example yd11 lt side lt
output r =250 y =190 b =440

What are marginally stable systems?

0 Answers  

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how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

5 Answers   HP,

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1. What are the types of Transformer?

1 Answers   Valdel,

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Mention what are the different colors on wires indicates?

0 Answers  

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Whats the difference between three phase and single phase?

4 Answers  

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how we can improve power factor from 0.8 to 0.85 or 0.9 & how we identify its either lag or lead ? thank you

7 Answers  

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How to calculate the current rating of power cables ?

1 Answers  

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how to convert 1 phase power to 3phase power by using induction motor. . . .

1 Answers   BK Anand,

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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Disadventage of cable-gland earthing if any ?

0 Answers  

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Fire pumps are not used with ELCB control, why ?

4 Answers  

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