SVPWM

Using m file obtaining SVPWM slx file

function [s1, s3 ,s5] = fcn(t,f,fs,Vm,Vdc,M)

s1=0;s3=0;s5=0;

Ts=1/fs;

w=3*Vm/(2*Vdc);

if w<M

M=w;

end

matris1=(2/3)*[1 -0.5 -0.5;0 sqrt(3)/2 -sqrt(3)/2];

va=Vm*sin(2*pi*f*t);

vb=Vm*sin(2*pi*f*t-2*pi/3);

vc=Vm*sin(2*pi*f*t+2*pi/3);

A=matris1*[va;vb;vc];

Vreffazor=A(1,1)+A(2,1)*1j;

alfa=angle(Vreffazor); % alfa radyan

alfad=alfa*180/pi +180;

if alfad <=60

alfad=alfad*pi/180;

n=1;

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2

s1=T1+T2+T0;

s3=T2+T0;

s5=T0;

end

if alfad >60 && alfad<= 120

alfad=alfad*pi/180;

n=2; % sektor 2

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2

s1=T1+T0;

s3=T2+T0+T1;

s5=T0;

end

if alfad >120 && alfad<= 180

alfad=alfad*pi/180;

n=3; % sektor 3

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2

s1=T0;

s3=T2+T0+T1;

s5=T0+T2;

end

if alfad >180 && alfad<= 240

alfad=alfad*pi/180;

n=4; % sektor 4

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2 değeri

s1=T0;

s3=T0+T1;

s5=T0+T1+T2;

end

if alfad >240 && alfad<= 300

alfad=alfad*pi/180;

n=5; % sektor 5

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2

s1=T0+T2;

s3=T0;

s5=T0+T1+T2;

end

if alfad >300 && alfad<= 360

alfad=alfad*pi/180;

n=6; % sektor 6

T1=M*Ts*(sin(n*pi/3-alfad))/sin(pi/3);

T2=M*Ts*(sin(alfad-(n-1)*pi/3))/sin(pi/3);

T0=0.5*(Ts-T1-T2); % T0/2

s1=T0+T1+T2;

s3=T0;

s5=T0+T1;

end