how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

0 Answers   IGC,

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what is the difference between line voltage meter and relays

4 Answers   TCS,

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What is the ideal position cooling fan inside the dc motor?

0 Answers   Kay Bouvet,

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mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

0 Answers   IFFCO,

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how we can save the power ? suppose the electricity board gives 11 kw , but the machine require only 8 kw means how we can save the exese energy

2 Answers  

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why we use low kv lightining arrester in line for example 9 kv using in 11kv

1 Answers  

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What are the complete specifications of a motor?.

2 Answers   RRB,

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What is the gain of 1-s/1=s at 1 rad/sec?

3 Answers   NPCIL,

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What are the point of a single core cable to be earthed?

2 Answers   Alfanar, Jindal,

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

0 Answers  

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