EXPLAIN THE TRANSFORMER MAINTENANCE?

0 Answers   Enercon, ERT, GEL,

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Define settling time.

0 Answers  

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What is meant by (2 x 185) AYFY cable

3 Answers   ONGC,

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Why the rating of the HT breakers are in 1250 Amp, while the load on the breaker is around 50 Amp. ?

9 Answers   Wipro,

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th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.

0 Answers   HMC,

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How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?

3 Answers  

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What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

1 Answers  

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The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

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diff between UPS and inverter?

2 Answers  

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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what is impedance in a transformer? how can i calculate it?

1 Answers  

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we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 Answers  

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