Use of switch mode power converter in real-time basis?

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Hi, We facing one similar problem in our computers i.e we are newly constructed our design department after that shifted our computers but our computer desktop screen is vibrating. we are conducted our electrical maintainance person he told that is UPS problem, then we changed the UPS also again we are facing that problem in that room only. then we put lcd monitors that problem is solved. But in other monitors why the computer desktop screen is vibrating please give a suggestion to me. Regards, Raju.N.G

10 Answers  

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Please explain me about Relay curves and their sources to read ?

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Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).

3 Answers  

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what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

0 Answers  

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What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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why insulators are colured in brown only?

3 Answers   Transco,

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If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

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Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 Answers  

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why transmission is only 3 phase and not 2 or 4 or poly phases

0 Answers   Infosys,

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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what is laser diodes?

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