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How we can calc. the Backup time of a battery Bank???

Calculate the AH of battery as said above or the given by the manufacturer if is same then ok if not then take actual calculated. If capacity of battery is 10AH and load current is of 10A then it will give back up for 1H

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percetans

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Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

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hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

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What is time response of the control system?

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How to see the inductance in a transmission lines

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Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

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What are the internal and external faults?

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what is the affect of earth's magnetic field on the frequency used in aircraft???

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how does the thyistor work in dc drive?

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Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

594

Power Factor Correction Panel (Manual & Automatic)

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why -48 volts dc used in telecommucation

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What should be the height of basement according to NBCC code?

1318

WHat is the general checks required for Dry type transformers

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