Hospital solar microgrid system is a distributed energy system that relies primarily on solar  power generation to provide reliable and sustainable electricity supply to hospitals. The system consists of solar photovoltaic arrays, energy storage systems, energy management systems, and microgrid control systems.             The core component of the system is the photovoltaic array, which consists of a series of photovoltaic panels that convert solar energy into direct current electricity. These photovoltaic panels are typically installed on the roofs of hospital buildings or other suitable areas to harness the energy from the sun and generate electricity. By generating electricity from the photovoltaic array, the system reduces reliance on the traditional power grid, saves electricity costs, and lowers carbon emissions.       The energy storage system stores excess electricity produced during sunny days or when the photovoltaic generation exceeds the hospital's demand. Typically utilizing advanced technologies such as lithium-ion batteries, the energy storage system offers high efficiency, long lifespan, and a large storage capacity. This ensures uninterrupted power supply to the hospital during nighttime or on cloudy/rainy days, ensuring the normal operation of medical equipment and critical facilities.      The energy management system oversees the overall management of photovoltaic generation and energy storage systems. By monitoring energy production and consumption, the energy management system optimizes energy distribution and ensures a stable power supply. It also provides real-time monitoring of the system's performance and generation efficiency, offering data analysis and reports to assist hospitals in achieving energy conservation and optimization.      The microgrid control system serves as the intelligent core of the hospital photovoltaic microgrid system. It precisely controls the energy flow between photovoltaic generation, energy storage systems, and the grid to maximize energy utilization. The microgrid control system enables bi-directional energy exchange and energy sharing with the traditional power grid.       By adopting the photovoltaic microgrid system, hospitals can reduce their reliance on the traditional power system and enhance the reliability and stability of their electricity supply. Additionally, the system significantly reduces energy costs, decreases reliance on fossil fuels, and minimizes environmental pollution. Therefore, the photovoltaic microgrid system plays a vital role in the sustainable development and green energy transition of hospitals.