Answer / venkatesh

it will sense the fault and gives trip command...because it is used for oil temperature protection

Answer / lalit lohmorh

Buchholz relay also known as gas actuated relay when fault
occured in power transformer gas actuated and BR sense the
fault and gives trip command to panel system relay which
trip the O/G breaker to transfomer

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

0 Answers  

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difference between alternator & GENERATOR

4 Answers  

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What are the tests to be conducted in the electrical installations

1 Answers  

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what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

1 Answers   HPL,

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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

0 Answers   VECL,

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Actually why the transformers ate rated in KVA.?

2 Answers   Torrent Pharma, XYZ,

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i need about 10 years of GATE solved papers in pdf format and even mock tests toooo

0 Answers  

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a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

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can anyone send me some sample question regarding power grid corp

0 Answers  

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Is there any reason that a vertical motor can not be mounted horizontally ? I happen to have one and would like to use it horizontally to save money by not buying a new horizontal motor.

1 Answers  

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what are factors to be consider to design a HT & LT motor?

1 Answers  

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Explain RYB?

21 Answers  

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