Answer / k mutyala naidu

by using three point starter we cant control(different speeds) the speed,but by using 4 point stater we can control the speed of the motor.

Answer / sheikh

3 point starter used to make and break the only for phasees
like Red , Yellow & Blue phase. and 4 point starter used to
make & break the 3 phase and Neutral also . 4th point may use
for make & Break the neutral of given circuit

Answer / shiva

high current in four point starter

how can electricity is produced without water

6 Answers   Bescom,

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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Why transformer neutral is earthed

7 Answers   Hyundai,

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what does the transformer connection symbol YNaod1 mean ?

3 Answers  

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how to check a three phase induction motor by multimeter & megger?

2 Answers  

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What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

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It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

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why the value of impedence is taken as %impedence in fault currrent calculation

1 Answers  

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Why in KVA diesel engine? Why not KW

3 Answers  

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What is the difference between synchronous motor & asynchronous motor

2 Answers  

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why in dc generator field rheostate kept in maximum position?

1 Answers  

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What are the different types of cable jointing methods for HT and LT power cable?

1 Answers  

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