2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

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IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

3 Answers  

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What is the bundle conductor?

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what is the difference between upper impedance and lower impedance distance relay?

3 Answers   Havells, Power Grid,

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

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I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 Answers  

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directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?

1 Answers  

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why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 Answers  

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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Explain the process of commutation in a dc machine.

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How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

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Define resonant peak?

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