Answer / sanjna

IGBT,FET,MOSFET ARE CURRENT CONTROL DEVICES
BJT,DIODE,UJT ARE VOLTAGE CONTROL DEVICES

what purpose to use excaiter in DG.?

0 Answers   TATA,

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how can tell us the AC indoor or outdoor which Tr and formulls

0 Answers   Mukand,

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why HT line voltage is multiple of 11.eg11kva,33kva,132kva

2 Answers   HP,

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how point on wave controller works.

0 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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direction of tarbine& genrator

0 Answers   Sandvik,

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Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 Answers  

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how we calculate fault current& load factor or fault level&also the leakage current

1 Answers  

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what is difference betwen genrator and alternator?

3 Answers   Tanfac,

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how r charge carriers produced

0 Answers  

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What is clock position of Transformer?what are the clock positions are there?and what is different of them?

0 Answers   Synergy,

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1.Defination of Graund earth and neutral 2.

8 Answers  

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