Energy storage integrated machine BMS and inverter
May 27,2024
The battery management system (BMS) and inverter of the integrated energy storage machine are key components in the energy storage system. The BMS is responsible for monitoring and managing the operating status of the battery pack to ensure that it works safely and efficiently, while the inverter is responsible for converting direct current (DC) into alternating current (AC) for use by the external grid or local loads.
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"BMS" electrical schematic diagram usually includes the following parts:
1. Battery unit monitoring: including voltage, current and temperature sensors for real-time monitoring of battery status.
2. Data collection unit: collects sensor data and performs preliminary processing.
3. Central processing unit (CPU): analyzes data and makes control decisions.
4. Communication interface: used for communication between BMS and external systems (such as inverters, monitoring systems).
5.Battery unit balance management: Balance battery units when needed to ensure the performance of the entire battery pack.
The electrical schematic diagram of "Inverter" usually includes the following parts:
1. DC input terminal: Connect the battery pack or DC power supply.
2. DC to AC conversion circuit: usually composed of power semiconductor devices (such as IGBTs) to achieve DC to AC conversion.
3. Filter circuit: Reduce harmonics of output current and provide smoother AC output.
4. Control circuit: including microprocessor and related drive circuit, used to control the work of the inverter.
5. AC output terminal: Connect to external power grid or local load.
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