what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

7 Answers   ONGC,

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what are the causes for strip heater failure ?

1 Answers  

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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define main transformer?

7 Answers  

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Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?

2 Answers   Jindal, Reliance,

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

0 Answers   UPSC,

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What is the fuction of surge arrester and surge suppressor? Modern days line designes are based on which surge?

1 Answers  

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how to calculate the current if i know power in MW and voltage 11kv/415v and also want to know that incoming cables for trnsformer

6 Answers   Daikin, KOC, Reliance,

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The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

0 Answers   BARC,

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What is the difference between multimeter

0 Answers  

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

1 Answers   ABC Engineering,

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