The solar off-grid system provides a feasible solution for the power supply transformation of small cargo ships and small cruise ships, helping to reduce operating costs, minimize environmental pollution, and enhance energy self-sufficiency. With technological advancements and the development of green shipping, the application of solar power systems will become increasingly widespread.
Pain Point Analysis
Small cargo ships and small cruise ships face the following main issues in daily operations regarding power supply:
- High Energy Costs: Dependence on traditional energy sources such as diesel, which are costly and subject to market price fluctuations.
- Environmental Impact: The use of traditional energy sources contributes to environmental pollution and does not meet increasingly strict environmental protection requirements.
- Unstable Energy Supply: Difficulties in energy replenishment during sea voyages lead to unstable energy supply.
Advantage Analysis
- Energy Conservation and Environmental Protection: Solar energy, as a renewable resource, reduces dependence on fossil fuels and lowers carbon emissions.
- Reduced Operating Costs: Solar power systems can reduce reliance on traditional fuels, thereby reducing energy costs.
- Enhanced Energy Self-Sufficiency: Solar systems can provide electricity during navigation, enhancing the energy self-sufficiency of the vessels.
- Mature Technology: The efficiency, reliability, and stability of solar photovoltaic systems have significantly improved.
Technical Implementation and Solution
- Solar Photovoltaic System Structure: Mainly composed of solar panels, charge controllers, inverters, as well as battery storage and loads. Solar panels generate electricity under sunlight, and through charge controllers and inverters, they supply power to the loads. Battery storage acts as an energy reserve to ensure the system operates during overcast days or at night.
- System Design Considerations: Users can choose standard configuration products based on actual needs or have professional engineers tailor-made the system. Design considerations include load nature, equipment voltage, average power consumption, daily working hours, consecutive overcast day count, and project location.