Answer / thowsif

For the Operation UPS Battery is Essential,

UPS Will work without a Battery also,but in event of Power
Faulure it will not supply the power to the load as thier
is No Backup Power..

Answer / prakash veer singh

These system is not working . Because battery is part of
those system. without battery these system is not complete.

Answer / bala.a

yes mr . Ram statment is correct . This system is working
in Nokia compus- chennai

Answer / ramakrishnan

UPS can Work without battery by using a technology called
FLYWHEEL where it can give a back-up of 20secs.

This system is currently working in france and also in some
other countries where Auto transfer switches ON their DG
within 10secs whenever the EB fails.

Answer / ram

Mr.Bala Can i know the brand of UPS working in Nokia

Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

0 Answers   Siemens,

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give single line diagram of D.O.L and star -Delta starter ?

8 Answers   ABS, Al-Shuaah, Alkali Metals, Cabin Crew, Cognizant, CRI, Gwalior Distilleries, Hotels, Logicon Engineers, Max India, Nicomet, Radisson Blu, RK Company, Siemens, SLCM, Solar, Steel Strips Wheels, Sugar Factory, TATA, TCS,

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wath is this mining of bts

1 Answers   Nokia, TATA,

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why is the core of the underground cable is spiral in shape instead of straight?

8 Answers   Mecon,

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Why HT 11 KV Slipring Motors are connected in star ?

0 Answers  

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what is the use of back emf?

1 Answers  

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Why Neutral Isolation is required?

0 Answers  

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how is efficincy of the transformer is predermined

3 Answers  

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Does induction motor start with dc power supply????

4 Answers   Essar,

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What is meant by locking of rotor in synchronous motor? Explain me locking in detail?

3 Answers  

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what is the basic principle of the alternator ????

2 Answers  

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what is tha gap between the pole of 132kv line

2 Answers  

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