Difference between ups and invertor

3 Answers  

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What happens to voltage when current through the inductor is constant?

0 Answers  

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what is different between DIGITAL and ANALOG?

3 Answers  

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

8 Answers   Lanco,

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

3 Answers  

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What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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how calculate the electrical load for industry and office

2 Answers  

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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

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What is the difference between power,voltage,current? and with example

3 Answers  

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what type of loads are inductive load & resistive load ?how they different between each other ?

5 Answers  

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how many types control panel of a 132/33 kv substation

0 Answers   Alstom,

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