Answer / kiran.b

un-intrapted power sistem is the eqipment provid continus
power to the critical load.it consist of
charger/rectifire,battery,by pass switch and invarter main
functional parts.

Answer / lakshmi

Uninterrupted Power Supply(UPS) gives continuous power
supply to connected equipment or system when utility power
off.it consist of rectifier, battery and inverter.

Answer / mughis

unintrupted power supply

Answer / pradeep singh sohal

ups means uninterruptable power supply......

what is the function of cooling tubes in transformer

4 Answers  

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Why does amplifier gain reduce?

0 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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What are the necessary components of the feedback control system?

0 Answers  

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SUPPOSE A CIRCUIT BREAKER HAS TRIPPED THE THE LINE WHEN A FAULT OCCUR ON IT.NOW WHEN THE FAULT HAS BEEN CLEARED, HOW THE CIRCUIT BREAKER WILL CLOSE AUTOMATICALLY NOT MANUALLY.

6 Answers   Bureau of Energy Efficiency, DVC,

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Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

0 Answers  

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What is a unit of gravity (Battery)

9 Answers  

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please give some hindalco placement papers for written exam

0 Answers   Hindalco,

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which transfofrmer oil break down voltage strength get will be more if oil sample taken from bottom of tank or oil sample taken from top of the transfomer tank.

2 Answers   NPCIL,

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In Megger which types of test we can do ? and How it works? How to use?

3 Answers   Power Grid,

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In what circumstanced the CT used for protection relay will be saturated?and what will happen to the relay is the CT is saturated?

3 Answers  

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what is interpose? where it is used and why it is used?

0 Answers  

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