Solar Tracking Error Analysis of Fresnel Reflector

Table 1

Effect of the tracing error for the middle mirror.

Influence factor	Eccentric distance	Eccentric distance	Eccentric distance	Eccentric distance
Value	10 cm	10 cm	10 cm	10 cm
Typical data	Winter solstice	Autumnal equinox	Summer solstice	Spring equinox
Maximum error	0.27°	0.23°	0.22°	0.24
Influence factor	Eccentric distance	Eccentric distance	North and south deviation	North and south deviation
Value	5 cm	15 cm	−10°	−10°
Typical data	Winter solstice	Winter solstice	Winter solstice	Spring equinox
Maximum error	0.17°	0.4°	4.5°	1.6°
Influence factor	North and south deviation	Autumnal equinox	Center distance deviation	Height deviation
Value	−10°	−10°	−10 cm	−10 cm
Typical data	Autumnal equinox	Summer solstice	Typical day	Typical day
Maximum error	1.6°	−0.94°	0°	0°
Influence factor	Longitude deviation	Longitude deviation	Longitude deviation	Angle deviation
Value	0.1°	0.1°	0.1°	0.05°
Typical data	Winter solstice	Equinoxes	Summer solstice	Typical day
Maximum error	0.065°	0.053°	0.045°	0.025°
Influence factor	Latitude deviation	Latitude deviation	Latitude deviation	Angle deviation
Value	0.1°	0.1°	0.1°	0.2°
Typical data	Winter solstice	Equinoxes	Summer solstice	Typical day
Maximum error	0.026°	0.008°	0.013°	0.12°