How to design constatnt power source with variable current and Voltage.

2 Answers  

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When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen

3 Answers  

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can we use transformer for 70 Hz?

6 Answers  

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which motor is used in high mast ( street light) & give the hight of tower .

2 Answers   Construction, Honda,

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What is the meaning of burden and class of accuracy of CT?

1 Answers   Home,

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

0 Answers  

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

0 Answers   Prism Cement,

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Do you need any help with FEWA Electrical Supervisor exams?

0 Answers  

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what is the diffrantial relay???????why we use it on the MDB

5 Answers  

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I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

2 Answers   PPL,

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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how to select cable size for three phase?

1 Answers  

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