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usually hydroturbines are low speed turbines.speed is 500-600 rpm and they are 10 pole or 12 pole machines

Acually generator neutral is earthed,if suppose cable from neutral is brokened under theearth ,what will happen.

2 Answers   L&T,

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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the 230 value of voltage which is use in our home . is that value is rms, aerage or peack value of voltage?

5 Answers   L&T,

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IN MY INDUSTRIES 125 HP MOTOR USED FOR THAT ONLOAD AMPS UP TO 280 SO CAN I USE ONE LOWER KVA DG SET WITH STEP UP TRANSFORMERS THAT MEANS WITH LOW POWER INPUT TO GET CONSTANT HIGH POWER OUTPUT EG:125KVA DG SET = 250 KVA STEP UP TRANSFORMERS

1 Answers  

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Diode is active or passive element?

14 Answers   Infosys,

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What is the difference between hot and cold loop testing?

0 Answers  

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Advantages of short circuit and open circuit tests of a transformer?

3 Answers   Engineering,

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which motor is used in high mast ( street light) & give the hight of tower .

2 Answers   Construction, Honda,

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what is kondo syatem in eletrical traction

0 Answers   APCPDCL,

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What is the difference between Relay and Contactor

35 Answers   Siemens,

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why distribution transformer is uesd in Delta/Star formation?is there any significance in doing this?If yes then breif?

3 Answers  

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what is numerical relay explain its operation

2 Answers   ABB,

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