Why a transformer Noise during its running condition ?

8 Answers   NTPC,

---

what is form factor.and rms value..

1 Answers   IIM, Torrent Power,

---

What is 100% protection of generator? Why 100% is not used but 95% is generally used?

0 Answers  

---

Explain Continuous and Discrete signals?

0 Answers   UOG,

---

what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers  

---

---

Can an inverter be used as a converter? How?

0 Answers  

---

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

0 Answers  

---

On what basis the the size of Lightning arrester for buildings are selected ?

0 Answers   KGD,

---

Why AC current leads voltage in capacitor and how?

0 Answers   BMB,

---

What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

---

Why current leads the voltage in case of capacitor load? Why voltage leads the current in case of inductive load? Why both are with in phase in case of restive load?

3 Answers   TATA,

---

Necessity of transformer earthing

1 Answers  

---