Components of energy storage power supply

2023.05.23HNST

The energy storage power supply consists of four parts: power conversion unit, power management unit, power storage unit, and power supply unit.

1. Power conversion unit: The energy stored by the energy storage power source comes from the outside. There are many types of external electricity, including electricity from the municipal power grid, solar power generation, wind power generation, and so on. The power storage unit is composed of batteries, and not all electrical energy can be stored. It is necessary to first convert external electrical energy into battery energy for storage. The power conversion unit is a component that converts external electrical energy into usable electrical energy for the power storage unit, such as a charger.

2. Power management unit: mainly manages the charging and discharging of batteries, the amount of capacity, intensity, and temperature. It is mainly based on the characteristics of the battery and manages the measurement, start, stop, on, and off of electrical energy. For example, battery protection boards and BMS battery management systems.

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3. Power storage unit: The energy storage power supply does not produce electrical energy and is a warehouse for storing electrical energy. This warehouse is composed of batteries, which can be lithium batteries, lead-acid batteries, or supercapacitor batteries, all of which have their own characteristics.

4. Power supply unit: The ultimate purpose of energy storage power is to take out the stored electrical energy and supply it to electrical appliances at the required time and place. Due to the diversity of electrical appliances, there is a need for power supply units to convert the stored electricity and supply it to various electrical appliances. There is also commonality in diversity, which is basically internationally accepted and relatively mature. They are all ready-made, ready to use, and can be made into various designs.