Fig. 1. Linear Fresnel concentrator

Fig. 2. Linear Fresnel system reflector. (a) Micro-arc primary reflector; (b) CPC secondary reflector

Fig. 3. Tracking angle deviation caused by south-north deviation of mirror field. (a) θn_s_off=0.4°; (b) θn_s_off=0.8°

Fig. 4. Schematic of CPC horizontal and vertical installation errors

Fig. 5. Tracking angle deviation due to CPC installation error. (a) Vertical installation error; （b） horizontal installation error

Fig. 6. Schematic of trajectory of primary mirror. (a) Rotation diagram; (b) trajectory geometry

Fig. 7. Tracking angle deviation caused by trajectory change

Fig. 8. Influence of temperature on output error of inclination sensor

Fig. 9. Convergence of light under tracking deviation. (a) Δ=-0.1°; (b) Δ=0.1°; (c) Δ=-0.2°; (d) Δ=0.2°

Fig. 10. Theoretical and measured tracking angle curve

Fig. 11. Theoretical and measured tracking angle deviation curve

Fig. 12. Actual tracking angle deviation after compensation

Fig. 13. Actual tracking renderings