研究目的
To design a grid-connected solar system that serves as the primary energy source for 3-phase borehole motors, with the local electricity network acting as a backup during unfavorable weather conditions.
研究成果
The designed PV system can supply 42.7% of the power to the load, reducing grid consumption. The financial payback period is 5 years and 9 months, with a profitable operation period of 19 years.
研究不足
The trial version of PVSYST software has limitations in financial analysis due to currency and feed-in tariff program restrictions.
1：Experimental Design and Method Selection:
The design involves a grid-connected PV system to power borehole motors, utilizing SMA inverters for DC to AC conversion.
2：Sample Selection and Data Sources:
The system is designed based on the load profile of borehole motors and solar radiation data from Mokopane.
3：List of Experimental Equipment and Materials:
Includes PV panels (ReneSola JC310M-24/Ab), SMA inverters, combiner boxes, and cables.
4：Experimental Procedures and Operational Workflow:
Involves sizing the PV array, selecting inverters, and designing the system layout.
5：Data Analysis Methods:
Performance ratio and energy contribution of the PV system are analyzed using PVSYST software.
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