Answer / chandru_williams

The main function of AMF panel is to sense wether the raw
power is avail;able or not . If raw power fails it
immediately starts the auto ON of the DG set

Answer / santhoshkumar

Amf is an automatic switch placed in the generator control
panel for the transfer of load to standby generator when
the main power fails.

Answer / riyaz

auto mains faluar mins change over beetwen geb to standby dg in auto in few second. in condition the power supply faluar to geb and thet time automatic chang over to dg . And mains supply coming so automatic change over dg to geb and dg auto stop in few mini after cooldown time.

what happens if number of poles in stator and rotor windins of slip ring induction motor are not same. Will it rotate near to the synchronus speed defined by stator?

1 Answers   GATE,

---

Natural frequency in the control system represents nature of a. Transient response b. Oscillations c. Overshoot d. Speed of responce

1 Answers  

---

define transformer

1 Answers  

---

when motor taking high amp what happen.

4 Answers  

---

what maximum range of star & delta in hp or kw ?

0 Answers   Makkah Hilton Towers,

---

if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers   TCS,

---

why generation of electricity in low value voltage

3 Answers  

---

Explain what is Zener diode?

1 Answers  

---

why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

---

why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 Answers   Essar, LG, OPS,

---

There is no such thing as a Generator. All power generating devices are Alternator since both generate alternating current since this is the only way electrical power can be generated. In "generators" the alternating current is converted into DC inside the housing of the "generator" in order to give out DC Do you agree? If not please educate me. How else is DC generated if not like above?

2 Answers  

---

A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

0 Answers  

---