what is the back ground of transformer working? applying voltage to primary and emf inducing in primary and secondary? how it is possible? please answer me with scientific approach?

5 Answers  

---

what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

---

what are the advantage and dis-advantage of 3 phase 4 wire energy meter?

0 Answers  

---

DG B-check,C-Check,D-check is depending upon the running hrs.If the running hrs is not reached as mentioned.How to conduct the DG checks.

15 Answers   Blue Star,

---

what are the sections in a high voltage system(eg:incomer,buscoupler,isolator

1 Answers   IGL, L&T,

---

what type of protection and safety req. in the 220kv substaion and area around the substation

2 Answers  

---

what do you mean by lagging and leading current.explain in detail.

1 Answers  

---

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

0 Answers   National Insurance Company Limited,

---

How to calcualte 1unit of current consumption?

3 Answers   Bhushan Power Steel, ITC Infotech,

---

Hi friends. is it possible that SCADA System through RTUs can connect Via PLCC Communication carriers ? thanks

1 Answers  

---

what will happen while giving 2 phase supply to 3 phase motor

5 Answers  

---

what happens if dc supply is given and the remedies for it.

0 Answers  

---