Answer / aakash

the auxiliary protections in a transformer are:-
1) buckholz relay
2) oil level indicators
3) temperature monitoring devices
4) on-line tap-changers
5) valves

Suppose i Have an Ac motor of 25Hp 1500 Rpm 50 Hz Can i run a motor 2500 Rpm by AC drives by increasing a frequency either it safe or not ....

2 Answers  

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what is the funtion of conservator in transformers?

7 Answers  

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Whats the diference between Induction motor and servo motor

3 Answers   Essar, PMT Machines,

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Which of the following connection is best suited for 3-ph, 4 wire system A delta-delta B star-star C delta-star D star-delta

2 Answers  

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What is application of MCB & How it works

1 Answers   TATA,

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What is the current carrying capacity of 1.5 rm and 2.5 rm cable

1 Answers   RFL,

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what is at/cm ?

3 Answers  

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What are the various types of BUSBAR Schemes? explain each

1 Answers   NTPC,

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HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

1 Answers   TurboTech,

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Why the Petrol Guns in the Petrol bunk are earthed?

3 Answers   ITC Infotech,

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Why 11KV/440V distribution supply use for Domestic use?

3 Answers   Essar, Getco, Nissan,

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What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 Answers  

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