What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

0 Answers   ABB,

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my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install

2 Answers  

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How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

0 Answers   Triune,

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explain why tap changer is always connected to high voltage winding side of the transformer.

10 Answers   IOCL, UPPCL,

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What is the difference between AVR and Servo Stabliser

3 Answers   Wipro,

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WHAT TYPE OF DC MOTOR IS USING FOR ELECTRIC TRAIN ?HOW ITS FUNCTIONING ?

2 Answers  

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what is the maximum load on for 10 kva & 25 kva transformer

8 Answers   ABB, Power Grid,

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how can we measure 220kv or more than these voltages ...?and also how can we conform whether we r getting 220kv from generating stations throuth the h v transmission lines?

1 Answers  

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What is Partial Discharge test .Please specify that this test can be test on 11/0.433 KV,630 KVA Transformer.

1 Answers   NBCC,

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can i use 10 mfd + 6 mfd instead of 15 mfd capacitor in single phase motor as running capacitor

3 Answers  

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How to select the proper VSD to operate high inertial load

0 Answers  

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What is the formulae of Megger value for a A.C.Motor

0 Answers  

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