please can i know about total harmonic distortion and how i
can calculate it and if anyone can help me to find any
program to help me to calculate THD?? please need it

Answer Posted / apoorv

THD is the sum of the power of all harmonic components present in the signal to the power of fundamental frequency. it represents the harmonic components present in the signal.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

1677


What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)

1421


can anybody sent me power grid questions. what subject should i prefer for preparation?

1649


What is the height of DA, DAL, DB, DC & DDE tower?

1725


Explain marx circuit.

882






if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

1298


sir, Is their any measuring unit of knoking? please explian?

1423


Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

1794


please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1243


how brushed dc motor operating ?

1425


condition Autotrip facia come on control panel of electrical transmission line?

1092


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1512


Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

1555


When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

1703


What is the armature mmf in a D.C machine?

803