In a three-phase full converter, every SCR conducts for a.60deg. b. 120deg. C.180deg. d.90deg

3 Answers  

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State the difference between Surge Arrester and Lightning arrester,Both are same or not?

7 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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What is the reason of using bus-bars on the secondary on the LT transformers?

2 Answers  

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what is ac servomotor??

7 Answers  

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some basic standard questions on transformer.

0 Answers   United Engineering,

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Is motor current is dependent on load.

2 Answers  

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Explain in brief description about the operation of DG sets.

0 Answers   Siemens,

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Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

0 Answers   Accenture,

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

0 Answers  

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How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

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