写一个风力发电机的s函数
时间: 2024-05-07 14:20:22 浏览: 6
以下是一个简单的风力发电机的S函数模板:
```matlab
function [sys,x0,str,ts] = wind_turbine_sfunc(t,x,u,flag)
switch flag
case 0 % Initialization
sizes = simsizes;
sizes.NumContStates = 0;
sizes.NumDiscStates = 0;
sizes.NumOutputs = 1; % 输出电功率
sizes.NumInputs = 2; % 输入风速和切风速
sizes.DirFeedthrough = 1;
sizes.NumSampleTimes = 1;
sys = simsizes(sizes);
x0 = [];
str = [];
ts = [0 0];
case 2 % Output
wind_speed = u(1); % 风速
cut_in_speed = u(2); % 切入风速
rated_speed = 14; % 额定风速
cut_out_speed = 25; % 切出风速
rated_power = 3.6; % 额定电功率
if wind_speed < cut_in_speed || wind_speed > cut_out_speed % 当风速小于切入风速或大于切出风速时,输出电功率为0
output_power = 0;
elseif wind_speed >= cut_in_speed && wind_speed <= rated_speed % 当风速大于等于切入风速且小于等于额定风速时,输出电功率为风能转化为电能的百分比(假设为30%)
output_power = 0.3 * rated_power;
elseif wind_speed > rated_speed && wind_speed <= cut_out_speed % 当风速大于额定风速且小于等于切出风速时,输出电功率为额定电功率
output_power = rated_power;
end
sys = output_power;
case 3 % Terminate
sys = [];
otherwise
sys = [];
end
```
该S函数接受两个输入信号:风速和切入风速,并输出电功率。当风速小于切入风速或大于切出风速时,输出电功率为0;当风速大于等于切入风速且小于等于额定风速时,输出电功率为风能转化为电能的百分比(假设为30%);当风速大于额定风速且小于等于切出风速时,输出电功率为额定电功率。