Answer / k.prakashchandra

That is due to speed regulation i.e Speed vs Load characteristics ,even in IM the slip increases with the speed

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 Answers  

---

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 . please reply..............

9 Answers   NTPC,

---

diff b/w elcb and rccb

0 Answers  

---

current and voltage equations for a star connected load fed from a delta connected load.

1 Answers  

---

why earth wire is needed in a wiring system

1 Answers  

---

---

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

0 Answers  

---

How do you reset circuit breaker?

1 Answers   Bhel, Kaveri Steels,

---

give information about REM5453 & SPAJ Relays

1 Answers  

---

Why derivative controller is not used in control systems?

0 Answers  

---

Is MV canble armour can be earthed at both ends?

2 Answers  

---

what is mean by marshalling box in transformer?

8 Answers   Reliance,

---

operation of protection relay watchdog contact?

0 Answers   L&T,

---