This standard specifies the service conditions, functional requirements, inspection and test items, etc. of lithium-ion battery management system for electrochemical energy storage station.
This standard is applicable to the constructed, renovated and extended electrochemical energy storage stations.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)
GB/T 16935.1 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
GB/T 17626.8 Electromagnetic compatibility - Testing and measurement techniques - Power frequency magnetic field immunity test
GB/T 17626.12 Electromagnetic compatibility - Testing and measurement techniques - Ring wave immunity test
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
electrochemical energy storage station
station with the electrochemical battery as an energy storage element, and capable of power storage, conversion and discharge
3.2
power conversion system; PCS
system realizing bidirectional energy conversion between energy storage battery and AC network
3.3
cell
electrochemical device consisting of electrodes and electrolytes that form the minimum unit of a battery pack module and capable of storing the obtained electric energy in the form of chemical energy and converting the chemical energy into electric energy
3.4
battery module
unit consisting of two or more cells connected electrically
3.5
battery management unit; BMU
unit managing a battery module, monitoring battery state (voltage, temperature, etc.) and providing communication interface for the battery
3.6
battery management system; BMS
system monitoring the battery state (temperature, voltage, current, state of charge, etc.) and providing communication interface and protection for the battery
3.7
state of energy; SOE
ratio of the actual (remaining) dischargeable capacity (Wh) to the rated capacity (Wh) of the battery
3.8
battery-balancing
energy balancing state between different batteries maintained by taking energy transfer measures to reduce the capacity and voltage differences between the batteries
GB/T 34131-2017 The following standards are cited: