防止充电过压,防止输入过低
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06cab87e4c
commit
606a416efd
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@ -32,8 +32,8 @@ void Charging_Algorithm(){
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if(REC==1){ // IUV RECOVERY - (仅对充电模式有效)
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REC=0; //重置 IUV 恢复布尔标识符
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buck_Disable(); //在 PPWM 初始化之前禁用降压
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lcd.setCursor(0,0);lcd.print("POWER SOURCE "); //显示液晶信息
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lcd.setCursor(0,1);lcd.print("DETECTED "); //显示液晶信息
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//lcd.setCursor(0,0);lcd.print("POWER SOURCE "); //显示液晶信息
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//lcd.setCursor(0,1);lcd.print("DETECTED "); //显示液晶信息
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//tft.fillScreen(TFT_BLACK);
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//tft.drawString("POWER SOURCE DETECTED", 10, 40, 3);
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Serial.println("> Solar Panel Detected"); //显示串口信息
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@ -43,7 +43,7 @@ void Charging_Algorithm(){
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Read_Sensors();
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predictivePWM();
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PWM = PPWM;
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lcd.clear();
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//lcd.clear();
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}
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else{ //NO ERROR PRESENT - 继续电源转换
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/////////////////////// CC-CV BUCK PSU ALGORITHM //////////////////////////////
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@ -68,7 +68,7 @@ void Charging_Algorithm(){
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if(currentOutput>currentCharging){PWM--;} //电流高于 → 降低占空比
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else if(voltageOutput>voltageBatteryMax){PWM--;} //电压高于 → 降低占空比
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else{ //MPPT 算法
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if( voltageInput>=(voltageBatteryMax+voltageDropout+1) && voltageInput>=(voltageOutput+voltageDropout+1)){ //输入大于电池最大电压设定及当前电池电压的条件下进行pwm处理,否则抬高电压,阻止过分拉低电压 20220803
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if( currentOutput>0.1 && voltageInput>=(voltageOutput+voltageDropout+1)){ //无反向电流,输入大于电池电压的条件下进行pwm处理,阻止过分拉低电压 20220803
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if(powerInput>powerInputPrev && voltageInput>voltageInputPrev) {PWM--;} // ↑P ↑V ; →MPP //D-- 功率上升且电压上升,继续 抬高电压
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else if(powerInput>powerInputPrev && voltageInput<voltageInputPrev){PWM++;} // ↑P ↓V ; MPP← //D++ 功率上升且电压降低,继续 拉低电压
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else if(powerInput<powerInputPrev && voltageInput>voltageInputPrev){PWM++;} // ↓P ↑V ; MPP→ //D++ 功率下降,电压上升,尝试 拉低电压
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@ -78,6 +78,8 @@ void Charging_Algorithm(){
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}else{
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PWM--;
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}
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if(currentOutput<=0){PWM=PWM+2;} //输出电流负值
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powerInputPrev = powerInput; // 存储以前记录的功率
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voltageInputPrev = voltageInput; // 存储先前记录的电压
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}
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