What is the role of feedback in a closed loop control system?

0 Answers   GE,

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How are calculated the aluminium busbar cross section area?

2 Answers  

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how can we test the vector group of transformer

1 Answers  

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High Voltage out door substation-annual maintenance, things to be considered

1 Answers  

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How does a 3 phase induction motor is started?

3 Answers   IOCL,

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

4 Answers  

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when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

0 Answers  

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why characteristics of overcurrent relay is time-->psm instead of time-->current?

0 Answers   ABB,

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How to know the Max. current caring capacity of the cable by its size ?

0 Answers   SFPL,

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hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

0 Answers  

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why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

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In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

0 Answers   Nissan,

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