Answer / vinothkumar

Which is transferring the power from one circuit to another
circuit with out changing the frequency is called transformer.

Answer / bhadrappahr

Which is transferring the power from one circuit to another
circuit by stepping out or step down the voltage correspondingly stepping down or step up the current without changing the frequency is called transformer.

What is I to C?

0 Answers   PowerTech,

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

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can v use earth as nutral. yes than y.if not y.

3 Answers  

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60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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why we use perllel conection system in the wiring?

4 Answers   Airtel,

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single sphase energy meter measur

7 Answers  

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what is power frequency withstand and impulse withstand of a circuit breaker?

2 Answers   Power Grid,

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Can we use the Poly Phenly Sulphide instead of Poly Phenly Ether? Do clarify your opinion.

1 Answers  

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what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

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how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

0 Answers   Webel,

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why in india the voltage generate multiply by 11,,,like 220v,440v,11kv,33kv,66kv,220kv,

3 Answers   NTPC, Servotech, Tata Power,

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