pfc.h

单相电机变频驱动原码,采用DISPIC30芯片

/****************************************************************
*
*		Microchip 16-bit Embedded Control Design Contest
*
*		Entry # MT2268
*
*		Spa Pump Controller
*
*****************************************************************
*
*		Power Factor Corrector definitions
*
*****************************************************************/

#define LOAD_COMP					// Enable inverter load feedforward compensation


#define PFC_V_GAIN_P	Q14_ONE/4 	// PFC bus voltage error proportional gain (1/N)
#define PFC_V_GAIN_F	0			// PFC bus voltage error inverter feedback gain
#define PFC_I_GAIN_P	Q14_ONE		// PFC input current proportional loop gain
#define PFC_I_GAIN_I	Q14_ONE/8	// PFC input current integral loop gain
#define PFC_I_GAIN_LIM	Q14_ONE/2	// PFC input current integral term max limit

#define VBUS_NOM		400			// Nominal bus voltage (V)
#define VBUS_LOW_THR	380			// Low bus voltage warning for inverter (V)
#define VBUS_HIGH_THR	420			// High bus voltage warning for inverter (V)

#define VBUS_DIV		101			// Vbus resistive divider ratio (1 / V/V)
#define VAC_DIV			101			// Vac resistive divider ratio (1 / V/V)
#define IPFC_DIV		5			// Ipfc divider ratio (1 / V/A)


#define _VBUS_NOM		(Q14_ONE_UL * VBUS_NOM / VBUS_DIV / 5)
#define _VBUS_LOW_THR	(Q14_ONE_UL * VBUS_LOW_THR / VBUS_DIV / 5)
#define _VBUS_HIGH_THR	(Q14_ONE_UL * VBUS_HIGH_THR / VBUS_DIV / 5)


EXTERN enum {		// PFC state

	P_STOPPED		= 0,	// Stopped
	P_STARTWAIT		= 1,	// Wait for first ADC interrupt
	P_STARTUP		= 2,	// Initial startup
	P_RUNNING		= 3,	// Stable output
	P_STOPPING		= 4,	// Shutdown
	P_ABORT			= 5,	// Immediate shutdown

} pfc_state;


EXTERN struct {					// Adjustable PFC parameters

	WORD	v_gain_p;			// see PFC_V_GAIN_P above
	WORD	v_gain_f;			// see PFC_V_GAIN_F above
	WORD	i_gain_p;			// see PFC_I_GAIN_P above
	WORD	i_gain_i;			// see PFC_I_GAIN_I above
	WORD	i_gain_lim;			// see PFC_I_GAIN_LIM above
	WORD	v_nom;				// see VBUS_NOM above
	WORD	v_low_thr;			// see VBUS_LOW_THR above
	WORD	v_high_thr;			// see VBUS_HIGH_THR above
	WORD	max_duty;			// see PWM_MAX_DUTY_PFC in PWM.h

} pfcp;


void PFC_init (void);
void PFC_start (void);
void PFC_stop (void);
void PFC_run (void);