why a diode bridge is provided in vcb control circuit ?

2 Answers  

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation

1 Answers  

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What is the different between Insulator & Di-electrict?

2 Answers  

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why transformer do not rotate?

3 Answers  

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What is difference between Electrical & Electronic Device? 

7 Answers   AZ Engineering, Vodafone,

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how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

0 Answers  

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why are maintine power factor 0.99 in Eb line? why are used capacitor bank in Eb line? what is the purpose capacitor bank?

4 Answers   TNEB Tamil Nadu Electricity Board,

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What is the Powar consumption of fan low speed to full speed? is it same ?

3 Answers  

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Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?

0 Answers  

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difference b/w series&parallel

4 Answers   ABB,

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ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

0 Answers  

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