what is diffrence between dc motor and dc generator?

3 Answers   HBL Power Systems,

---

in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

---

derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 Answers  

---

Explain RLC circuit?

0 Answers  

---

for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

0 Answers   Power World,

---

How open delta used for protection?

4 Answers  

---

when we change tha taps from 1-16 in 100mva tr whether a constant voltage avaliable till it reaches tap 16 or voltage change as per taps change

1 Answers  

---

role of shunt coil in circuit breakers

2 Answers  

---

How out of step protection relay works?

0 Answers   APL,

---

what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

0 Answers  

---

Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

---

what is balanced beam relay

1 Answers  

---