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.

how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 Answers  

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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Write down the design procedure of commutaj.

0 Answers  

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WHAT IS LIGHTNING,HOW TO CALCULATE LIGHTNING DESIGN CALCULATION?

2 Answers   L&T,

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How can I calculate ISF of current transformer?

0 Answers   Cigniti Technologies,

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 Answers  

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What is the difference between IS:1554 (Part 1)/1988 & IS:694/1990 ? What do these two standards specify about?

2 Answers  

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What is the difference between indoor and outdoor transformer

0 Answers   Ama Airfield Lighting System,

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why we are using the 2 slope in differential relay?but in busbar differential we are using only one slope. what is the reason.

1 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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why ht motor connection in star

10 Answers   Suzlon,

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