Which types of following motors are most efficient?

0 Answers  

---

in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

---

how much current in live 11 Kv distribution Line?

1 Answers   ABB,

---

I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?

3 Answers  

---

why current is denoted by I

7 Answers   CTS, GCT, Samtel,

---

what is ISF

1 Answers  

---

What is RSS Meter

0 Answers   Krishna Constructions,

---

why trip circuit supervision is taking through breaker contact? what happen if takendirectly?

2 Answers   GE,

---

What is the range of efficiency of thermal or steam power plants? Why it is so low?

2 Answers  

---

why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

0 Answers   ISRO,

---

what is the requirement of commutator in a universal motor?

3 Answers  

---

electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

0 Answers  

---