what is Harmonic effect?

Answer Posted / srini

harmonics is the multiples of the fundamental frequency of
the supply

Is This Answer Correct ?    0 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

1817


what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

2244


Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

1730


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2432


Is there any specialised book to refer about fault level calculation both in MV and LV side??

1570






How Self works in DG set

1421


what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3043


why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

1595


Define step response?

652


If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1447


List some examples of renewable energy?

785


Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

533


how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

1540


harmonics filter

1518


sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.

2491