There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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Explain UPS

1 Answers   Powerica,

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how to calculate earth resistat in earthpit with earth testing kit?

2 Answers  

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STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,

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is there any lightning by passer is arranged in ship like buildings?

0 Answers  

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Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2 Answers  

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What will happen to the speed of synchronous machine subjected beyond the pull out torque? Are the behavior shown by rotor remains same for both the alternator and motor?

1 Answers  

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what is spill current?

4 Answers   Adani, NPCIL,

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HOW COULD A SINGLE PHASE INDUCTION MOTOR ROTATE IN OPPOSITE DIRECTION???

3 Answers  

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what happens if you swap F1 and F2 connection in the exiter of the generator?

1 Answers  

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In a 3Ph induction motor(old) 6 wires came out from terminal & not mentioned u1,v1,w1,u2,v2 & w2. how can find out the terminals? how can connect to star delta starter??

1 Answers  

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what are difference between indoor and out door substation

1 Answers  

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