Detailed Description

Defines the Orthogonal Signal Generator SPLL_1PH_SOGI structure.

The SPLL_1PH_SOGI can be used to generate the orthogonal signal from the sensed single phase grid voltage and use that information to provide phase of the grid voltage

Data Fields
float32_t	u [3]
	AC input data buffer. More...

float32_t	osg_u [3]
	Orthogonal signal generator data buffer. More...

float32_t	osg_qu [3]
	Orthogonal signal generator quadrature data buffer. More...

float32_t	u_Q [2]
	Q-axis component. More...

float32_t	u_D [2]
	D-axis component. More...

float32_t	ylf [2]
	Loop filter data storage. More...

float32_t	fo
	Output frequency of PLL(Hz) More...

float32_t	fn
	Nominal frequency (Hz) More...

float32_t	theta
	Angle output (0-2*pi) More...

float32_t	cosine
	Cosine value of the PLL angle. More...

float32_t	sine
	Sine value of the PLL angle. More...

float32_t	delta_t
	Inverse of the ISR rate at which module is called. More...

SPLL_1PH_SOGI_OSG_COEFF	osg_coeff
	Orthogonal signal generator coefficient. More...

SPLL_1PH_SOGI_LPF_COEFF	lpf_coeff
	Loop filter coeffcient structure. More...

Field Documentation

◆ u

float32_t SPLL_1PH_SOGI::u[3]

AC input data buffer.

◆ osg_u

float32_t SPLL_1PH_SOGI::osg_u[3]

Orthogonal signal generator data buffer.

◆ osg_qu

float32_t SPLL_1PH_SOGI::osg_qu[3]

Orthogonal signal generator quadrature data buffer.

◆ u_Q

float32_t SPLL_1PH_SOGI::u_Q[2]

Q-axis component.

◆ u_D

float32_t SPLL_1PH_SOGI::u_D[2]

D-axis component.

◆ ylf

float32_t SPLL_1PH_SOGI::ylf[2]

Loop filter data storage.

◆ fo

float32_t SPLL_1PH_SOGI::fo

Output frequency of PLL(Hz)

◆ fn

float32_t SPLL_1PH_SOGI::fn

Nominal frequency (Hz)

◆ theta

float32_t SPLL_1PH_SOGI::theta

Angle output (0-2*pi)

◆ cosine

float32_t SPLL_1PH_SOGI::cosine

Cosine value of the PLL angle.

◆ sine

float32_t SPLL_1PH_SOGI::sine

Sine value of the PLL angle.

◆ delta_t

float32_t SPLL_1PH_SOGI::delta_t

Inverse of the ISR rate at which module is called.

◆ osg_coeff

SPLL_1PH_SOGI_OSG_COEFF SPLL_1PH_SOGI::osg_coeff

Orthogonal signal generator coefficient.

◆ lpf_coeff

SPLL_1PH_SOGI_LPF_COEFF SPLL_1PH_SOGI::lpf_coeff

Loop filter coeffcient structure.