Calculation of RMS Current Load on DC-Link Capacitors for Multiphase Machine Drives under Carrier-Phase Shift Control

Table 1

Integration limits for the double Fourier integral of switch current.

r	Yd(r)	Yu(r)	Xd(r)	Xu(r)
1	0	/3	/2(1 − α1)	/2(1 + α1/3)
2	/3	2 /3	/2(1 − α1)	/2(1 + α1/3)