Table 4.

Conventional switching table.

Switching state	Sec 1	Sec 2	Sec 3	Sec 4
Position	$\left[0°,15°\right]$	$\left[15°,30°\right]$	$\left[30°,45°\right]$	$\left[45°+60°\right]$
Ph-A	1,0,-1	1,0,-1	−1	−1
Ph-B	−1	1,0,-1	1,0,-1	−1
Ph-C	−1	−1	1,0,-1	1,0,-1
Ph-D	1,0,-1	−1	−1	1,0,-1