In three phase energymeter the spindle rotating backward why?

1 Answers  

---

clarify types of motor operated valves and advantages

0 Answers  

---

define bilateral network and unilateral network? give an example.

3 Answers   ABB,

---

If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

---

FOR ELECTRICAL TRANSMISSION TOWER WHAT SHOULD BE THE MINIMUM HEIGHT FROM THE GROUND? AND WHAT SHOULD BE THE DISTANCE BETWEEN THE TWO CONDUCTOR?

1 Answers  

---

What is difference between potiential,volatge and emf

1 Answers  

---

In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

1 Answers  

---

difference between isolator and circuit breaker?????

7 Answers   Enercon,

---

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

0 Answers  

---

why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

---

what is the meaning of "i.p.-43" and duty cycle-s1 on the name plate of a asynchronous machine?

1 Answers  

---

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

---