Answer / naresh

25kv dc

Answer / navitha reddy

AC supply at 25KV,50HZ which is converted to DC by rectifier equipment in rolling stock.

Answer / amit kumar

25 kv ac

Answer / manish

its traction not induction

Answer / rohit bharadia

25kv A.C.

Answer / shivam

25 kv ac and its internal wiring to
oprate all function works at 110v dc

Answer / kavitha jhari

25kv ac from over head lines.Then it is step down to 600v or 750v.600v for series motor and 750v for 3 phase induction motor.

What is differnce b/w tie breaker and bus coupler?

1 Answers  

Types of 132KV and 222 KV protection.

1 Answers  

30 kva ups may kitne output voltage hote h

1 Answers   ME,

How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

2 Answers   GRB,

DOES A MAGNETIC CIRCUIT CONSUMES ENERGY? IF YES, WHY?

6 Answers  

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

0 Answers  

Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge

3 Answers  

What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

What is maximum rating of transformer ?

2 Answers  

what is the preventive @ predective maintenance

2 Answers  

what is the difference between neutral and earth

11 Answers  

suppose i have two single and three phase induction motor,thier have not any rating on its panel,anybody can tell me which motor is single or three phase?

1 Answers   Doon,