I-9(450Hz)
6
I-19(950Hz)
52.5
I-10(500Hz)
42
I-20(1000Hz)
36
√∑ (Mh ) 2 THD% =————
* 100% M1
Where Mh is the magnitude of either voltage or current harmonic component and M1is the magnitude of either the fundamental voltage or current. Putting the values in the equation we have got the THD values for a simple rectifier is 22.9%. 18
Figure 3.4:Output voltage of this rectifier without capacitor
Figure 3.5: Phase relation of input current and output voltage without capacitor