how the arcing is made in ac electric arc furnace? ( between the three electrodes in any sequences or between the electrode & the charge(steel))

1 Answers  

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What is the field weakening mode of a ac motor?

1 Answers   L&T,

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

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what is the formula or method to calculate RESIDENTIAL,COMMERCIAL & INDUSTRIAL load power?????

3 Answers   RRB,

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Is it necessary to place tap changer in secondary winding or we can use on both sides?

3 Answers  

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from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

0 Answers  

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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what are the different functions of mccb, rccb / elccb ?

2 Answers  

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how to connect generators in parallel and what are the required equipment to do so?

2 Answers   MSEB,

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For 415v,3phase,22kw rating of motor how to calculate MCCB rating

2 Answers   Zigma Technologies,

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

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