Learning Forum

[phuonganhlovely.me]

Hello evreyone 

i using below formula to calculate the THD.

the plot i get from perform FFF in EDT

can you tell me that my calculation is correct ?  

every collum i draw v1, v2, v3 ...in the fig is harmonic order. (i am not sure)  can you help me explain ?

if i want to display 10 harmonic order i need to total 10 value continously (ex: 1,2,3,4,5,6...)or just choice the harmonic that i want for example (1,3,5,7,10..) and then calculate it 

thank you very much.

 

[Howard]

Hello phuonganhlovely.me,

      We would use above equation to calculate THD with v1, v2, v3, v4,...,vn .

HDLI

 

 

[phuonganhlovely.me]

Hi HDLI 

thank you for your reply.

how can i get the value of V1,V2,V3.....?

and how many harmonic can i get from plots? also how to choice the hamornic to perform FFT graph?

i a newbeis so im not clearly sorry for this inconvenient

best regard.