//2()->3ϊ(UVW)
//V=-/2+*SQRT(3)/2
	data = igBeta2 * 28378;		//SQRT(3)/2
	data *= 2;
	data /=65536;
	data -= igAlph2/2;			//V=-/2+*SQRT(3)/2
	igMtuDutyV = data + PERIOD/2;	//V(ϐݒ)=V + PWM/2
	igMtuDutyU = igAlph2 + PERIOD/2; 	//U(ϐݒ)=U + PWM/2
	igMtuDutyW = PERIOD/2 - (data + igAlph2);	//W(ϐݒ)= -(U+V) + PWM/2
