what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

---

why do we lay up the core of a cable?

0 Answers  

---

i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?

2 Answers  

---

What is Star Delta Connection, where it is applied & what for it is used

4 Answers   Premium Transmission,

---

What do you mean by PT-100?

8 Answers  

---

why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

---

How to do maint. Of busbar.

1 Answers   KSEB, L&T, Siemens,

---

Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

---

HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?

0 Answers   TATA,

---

which technique servo motor tested o.k or faulty ?

1 Answers   ABB,

---

which is the most common harmonics 3rd,5th,7th affect the systegm

4 Answers  

---

how the harmonic pluses take place in the flow of current

2 Answers  

---