WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

0 Answers  

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What is the difference between split AC and Casste AC?

2 Answers   NTPC,

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I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 Answers  

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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why DG,Transformer,UPS capacity will be tell in KVA but not in KW?

4 Answers   Godrej,

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Can Superposition theorem be applied to AC Circuits?Can Thevenin's Theorem be applied to AC Circuit too?

6 Answers   HCL, NPCIL, Shivam, Vast,

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explain comutator action in detail.thanks

0 Answers  

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IN HT MOTOR HT REFERS TO HIGH TENSION OR HIGH TRANSMISSION?

11 Answers  

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How to calculate the Airconditioner capacity for a standard telecom BTS shelter?

3 Answers  

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Whether capacitor loads can be connected for testing a diesel engine at its full load capacity? Is there any limitation of capacotir load? Which is the best load for testing DG sets?

2 Answers  

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PID controller details

1 Answers  

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iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

0 Answers  

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