In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.

9 Answers   FLSmidth, Focus, PSEB,

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Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 Answers  

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i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .

2 Answers  

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 Answers   ABB, BGR Energy, NTPC, Powermec,

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why capacitor using the induction motor?

6 Answers   Kirloskar,

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Why ferranti effect occurred in leading p.f load?

1 Answers  

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Transformer calculation

1 Answers   Aramco, LMW Lakshmi Machine Works Limited,

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7. Why AC motors, AC bulbs etc... are donot operated by DC signals? and Why DC motors, DC bulbs etc... are donot operated by AC signals?

2 Answers   Bhel,

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what is the slip of synchronous motor

1 Answers  

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What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

0 Answers  

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what is the full Form of AAC ant conductor?

5 Answers  

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