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......

How much should be the specific gravity of a DG set battery Electrolyte.

2 Answers  

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why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

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What is the emf equation of a transformer?

0 Answers  

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Why is copper a better conductor of electricity than aluminium?

5 Answers   AES,

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why a three phase induction motor cannot run at synchronous speed ?

7 Answers   RUET,

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

0 Answers  

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why we r used DC megger insted of AC megger?

1 Answers   Adani,

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What is on line ups and off line ups?

2 Answers  

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What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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what is the diffrence between resistive load and capoasitive load.?

4 Answers  

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How would we calculate the no of earthing pits required for motor /panel

5 Answers   APGenco, National Engineering Industries, Practical Viva Questions,

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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

0 Answers   VECL,

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