The grid-connected and off-grid solar panels are the core part of the solar photovoltaic system. The function of the solar panels is to convert the light energy of the sun into electrical energy, and then output the direct current and store it in the battery. The solar panel is one of the most important components in the solar photovoltaic system, and its conversion rate and service life are important factors that determine whether the solar cell has use value.
In addition to being used for outdoor camping, the mobile portable UPS energy storage power station has a variety of application scenarios. With a portable UPS power supply artifact of energy storage, outdoor camping, self-driving tours, outdoor operations, emergency rescue, aerial photography, etc., can be easily done through this device, and the 220V power supply of the camping portable power station is available at any time.
The complete off-grid solar system is widely used in remote mountainous areas, non-electric areas, islands, communication base stations and other applications. The system is generally composed of photovoltaic arrays composed of solar cell components, solar charge and discharge controllers, battery packs, off-grid inverters, DC loads and AC loads.
Both solar photovoltaic power generation and wind power generation technology have made great progress, but there is still a long way to go before solar and wind energy systems can truly become important energy sources that the world can rely on.
As variable renewable energy, dominated by solar and wind energy, accounts for an increasing proportion of the world's energy mix, how to strike a balance between its inherent intermittent characteristics and the achievement of a continuous and reliable energy supply has become an important issue. a bigger challenge.
All lithium batteries have self-protection circuits. A simplest protection circuit needs to contain at least the following elements:
Protection IC: With bidirectional charging and discharging protection, the circuit is disconnected when overcharged or overdischarged for safety.
Fuse: Fusing the current in an emergency is the last insurance.
Many hybrid solar systems are stand-alone systems that operate “off-grid”—not connected to the electrical distribution system. In an era when neither wind nor solar systems are produced, most hybrid systems are powered by an engine generator powered by batteries and/or conventional fuels such as diesel.
In a photovoltaic system, components, inverters, switches, and cables have power, so these devices need to be protected, mainly for insulation protection and temperature protection.