Answer / nitish

dc series motor is used in traction because their starting torque is high

Answer / sreekar

DC Series motor is used for the Train operation

incomming volts are 25Kv Ac single phase

Answer / divya

DC series motor can be used for electric traction,because
their variable speed,adjustable speed,high starting torque

Answer / dsaisudheer3772

Some train are using 3phase induction and DC series motors
When you see on electric engine
WAP 7, WAC,WAD Combination
But supply from AC

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

0 Answers   Siemens,

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what are the functions of fuse ?

1 Answers  

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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??

5 Answers  

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What does OHB stand for in specifications for circuit breakers, especially found in SF6 circuit breaker?

1 Answers  

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why booster transformer is used in sumpners test conducted on transformer????

0 Answers   Cooper,

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THE ROTIO OF VOLTAGE AND CURRENT IN A CLOSED CIRCUIT

12 Answers   APGenco, Constant, Lanco,

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can we synchronize star system generators with delta system generators?

0 Answers  

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A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

3 Answers  

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in an open circuit. test there is no load curent.. but secondary. ia open then no urrent have to flow but there a smaller current flows why?

4 Answers   Rubber Park,

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what is the principal of transformer?

2 Answers  

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whether the battery is voltage source or current source?

2 Answers  

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What is referred to the electron in the outer orbit?

0 Answers  

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