Answer / biswa.biswa2010

genarator , motor is the applicable of machine.

why make protection 85% of winding?

1 Answers  

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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What is meant by IP55 motor.Where it is used?

2 Answers   Zuari,

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What is dry and wet flashover.

1 Answers  

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what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

3 Answers  

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WHY IS THE NO LOAD CURRENT SMALL FOR A TRANSFORMER COMPARED TO OTHER ROTATING ELECTRICAL MACHINES??

1 Answers  

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What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

0 Answers   BFL,

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Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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why does a dc machine has high efficiency while working as a generator than as a motor ..

0 Answers  

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

0 Answers   Vodafone,

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why breather cap filled with oil?

7 Answers  

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