droop.rar_DROOP inverter_droop control_droop simulink_droop 下垂控制

%% Parameters of ac droop control clear clc global Vdc Ts m1 n1 m2 n2 ... Kp1_V Ki1_V Kp1_I Ki1_I Kp2_V Ki2_V Kp2_I Ki2_I % Vdc：直流母线电压；fn：额定频率给定值；Pn：有功功率给定值；U0：电压给定值； % P1，QL1，QC1：负载1的有功功率，感性无功功率，容性无功功率； % P2，QL2，QC2：负载2的有功功率，感性无功功率，容性无功功率； % m1，n1：逆变器1的下垂系数；m2，n2：逆变器2的下垂系数 % Kp1_V Ki1_V Kp1_I Ki1_I：逆变器1的电压、电流PI控制器参数 % Kp2_V Ki2_V Kp2_I Ki2_I：逆变器2的电压、电流PI控制器参数 Vdc = 60; % DC voltage Ts = 100e-6; P0_1 = 0e3; Q0_1 = 0e3; omega0_1 = 2*pi*50; E0_1 = 15*sqrt(2); P0_2 = 0e3; Q0_2 = 0e3; omega0_2 = 2*pi*50; E0_2 = 15*sqrt(2); %% Droop coefficients m1 = (51-49)*2*pi/230; n1 = (15.4*sqrt(2)-14.6*sqrt(2))/250; m2 = (51-49)*2*pi/230; n2 = (15.4*sqrt(2)-14.6*sqrt(2))/250; %% PI controllers Kp1_V = 0.1; Ki1_V = 0.0; % Voltage controller Kp1_I = 0.05; Ki1_I = 1; % Current controller Kp2_V = Kp1_V; Ki2_V = Ki1_V; % Voltage controller Kp2_I = Kp1_I; Ki2_I = Ki1_I; % Current controller %% Load parameters % P：有功功率；QL：感性无功功率；QC：容性无功功率 % P1 = 200; QL1 = 50; QC1 = 0e3; % R_load1 = 20; L_load1 = 0.02; %% Low-pass filter to extract active and reactive power % H = tf([2*pi*10000], [1 2*pi*10000]) % Hd = c2d(H,100e-6,'foh')