Answer / babu

ripple= unwanted ac signal
harmonics=other than fundamental freq

Answer / thran

Ripple is unwanted ac signal Harmonics is line distrub...

Answer / prajapati tarun r

Ripple: its not pure DC signal but some AC signal are added
Harmonics:it's a fluctuation of AC signal frequency

WHAT TYPE OF DC MOTOR IS USING FOR ELECTRIC TRAIN ?HOW ITS FUNCTIONING ?

2 Answers  

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why HT line voltage is multiple of 11.eg11kva,33kva,132kva

2 Answers   HP,

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Is there is any difference between AC and DC Cables

1 Answers  

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what is the use of capacitor bands?

2 Answers  

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what are the industrail measures to overcome ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system? plz reply

3 Answers  

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0 Answers  

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2 Answers  

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why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

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where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

0 Answers  

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why moisture formation found in XLPE Armoured cable outer sheath

0 Answers  

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what is surge suppressor?

5 Answers   Essar,

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Can Superposition theorem be applied to AC Circuits?Can Thevenin's Theorem be applied to AC Circuit too?

6 Answers   HCL, NPCIL, Shivam, Vast,

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