UM1561 datasheet(28/39 Pages) STMICROELECTRONICS

28 / 39 page

Digital closed loop control and diagnostic functions implemented

UM1561

28/39

Doc ID 023556 Rev 1

GPIO_InitStructure.GPIO_Pin

= GPIO_Pin_1;

GPIO_InitStructure.GPIO_Mode

= GPIO_Mode_Out_PP;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOA, &GPIO_InitStructure);

PID_Init_Integral_Part();

PID_Init(&Direct_Current_PID, &Quadrature_Current_PID,

&Reactive_Power_PID,&Active_Power_PID,&BUS_Voltage_PID,&DQ_PLL_PID,

&MPPT_PID);

//Get Control Parameters address

GetControlParametersAddress((PControlParam_t)&CtrlParam);

//Get Data Parameters address

GetDataParametersAddress((PPhotov_t)&Data);

}

where:

●

InitStructure.DutyCycle = DCDC_DUTYCYCLE;

is (DC-DC data structure)

●

DCAC_InitStructure.Counter = DCAC_COUNTER;

is (DC-AC data structure)

●

DS_InitStructure.Counter = DCAC_COUNTER;

is (Sensing data structure).

The StartControl() function defines the init configuration for all PID regulators. It contains

also the start commands for the power section.

void StartControl()

{

PID_Init_Integral_Part();

PID_Init(&Direct_Current_PID, &Quadrature_Current_PID,

&Reactive_Power_PID,&Active_Power_PID,&BUS_Voltage_PID,&DQ_PLL_PID,

&MPPT_PID);

BusOverVoltage = FALSE;

GridOutage = FALSE;

Fault = FAULT_NONE;

StoppingCount = TIME_OUT_STOPPING;

State_Control= DIAGNOSTIC_AC_LINE;

(DCAC_Start);

DS_SendCommand(DS_Start);

if (ControlMode == OpenLoop)

DCDC_SendCommand(DCDC_ConverterStart);

DAC_Start();

}

where:

●

PID_Init(&Direct_Current_PID;

is (Init the PID regulator)

●

DS_SendCommand(DS_Start);

is (All power sections started).

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