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Photovoltaic power generation system, abbreviated as PV, is a power generation system that directly converts solar radiant energy into electrical energy by utilising the photovoltaic effect of photovoltaic cells.

Features:

1. Reliable operation: It can supply power normally even under harsh environmental and climatic conditions.

2. Long service life: Crystalline silicon modules generally have a service life of more than 25 years, while amorphous silicon modules usually last over 20 years.

3. Low maintenance costs: Only a small number of staff are required for regular inspection and maintenance after commissioning. By comparison, conventional power stations incur substantial maintenance costs.

4. Natural energy source: It relies on inexhaustible solar energy with no fuel costs.

5. No noise pollution: The system contains no moving mechanical parts and generates no noise.

6. Modular design: System capacity can be selected as required. Installation is flexible and straightforward, and capacity expansion is simple.

7. Safe operation: No flammable materials are used within the system, delivering a high level of safety.

8. Independent power supply: It can operate off-grid to supply power independently, unaffected by the utility grid.

9. Distributed generation: Decentralised photovoltaic power stations can be built to reduce impacts and risks to the utility grid.

10. High-altitude performance: The system achieves higher output power in high-altitude regions with strong solar irradiance. (By contrast, diesel generators suffer reduced efficiency and lower output at high altitudes due to low air pressure.)