IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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HOW CALCULATE MOTOR KW, IF MOTOR NAME PLATE MISSING, WE FIND ONLY MOTOR WINDING RESISTANCE ONLY

1 Answers  

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In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 Answers  

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Anybody know how schematic diagram for reverse power relay? RPR for generator protection

0 Answers  

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What is difference between earth leakage relay and restricted earth fault relay ?

22 Answers  

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

0 Answers   Kirloskar,

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Why shunt Generator is not recommended to start at ON LOAD condition???

3 Answers  

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750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?

2 Answers  

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which type of motor is used in automatic swing gate

0 Answers   Sail,

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Why we use circular(Stepped) cross section in transformer core?

0 Answers  

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HT and LT cables can be laid on same cable tray

1 Answers  

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what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

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