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BMS Testing System
BMS Testing System Scope of application：1~500 sections; 0.1A~600A
- Information
Scope of application： | ■ 1~500 sections; 0.1A~600A |
Communication method： | ■ SMBuS、I2C、HDQ、1-wire、TTL、Uart、RS485CAN、LIN, etc |
Chip Solution： | ■ Supports chip solutions such as TI, O2, NFG, Seiko, Renesas, Zhongying, Meixin, Infineon encryption, as well as multiple MCU+power management solutions |
Communication testing： | ■ Signals, instructions, and communication |
■ Parameter reading, burning, and comparison | |
■ Calibration and comparison of voltage, current, and temperature | |
Electrical performance testing： | ■ Measurement of voltage, current, resistance, and temperature, etc |
■ Balance, power consumption, insulation withstand voltage, PWM, IO national standard charging interface, high voltage simulation, Hall&shunt high and low side drive, low voltage power supply, insulation resistance, AO, etc | |
Protection performance testing： | ■ Simulation of overvoltage, undervoltage, disconnection, and short circuit faults |
■ Charging and discharging overcurrent, current limiting | |
■ Temperature too high or too low | |
■ short circuit |
Battery Management System (BMS) is an indispensable key part of electric vehicles and energy storage systems, which is responsible for monitoring and managing the charging and discharging process of batteries to ensure safe, reliable and efficient operation of batteries.The BMS test system is a device specially designed for testing and verifying the performance of the BMS, which accurately tests the BMS by simulating the behavior of batteries under various working conditions. By simulating the behavior of the battery under various working conditions, the BMS is accurately tested.
Working Principle of BMS Test System
The core of the BMS test system is high-precision data acquisition and simulation technology. The system tests the response and processing capability of the BMS by simulating the behavior of the battery, including voltage, current, temperature and other parameters. These simulated signals are transmitted to the test system through sensors and data acquisition cards, and then analyzed and processed through software algorithms.
Key Components
Battery Simulator: Simulates the voltage and current response of the battery cells, allowing different battery configurations and states to be tested.
Temperature Simulator: Simulates the temperature distribution of battery modules and packs, testing the temperature management function of the BMS.
CAN Communication Module: Simulates the communication between Vehicle Control Unit (VCU), on-board charger, charger, etc. and BMS, testing the communication protocol and data exchange capability of BMS.
Data Acquisition Card: Acquire the output signals of BMS, such as relay status, contactor status, etc.
Control computer: controls the operation of the whole test platform, executes test scripts, records and analyzes test data.
Test Functions
Power Test: Tests the BMS's ability to monitor the total voltage and current of the battery pack.
Accuracy test: Evaluate the measurement accuracy of BMS on voltage, current, temperature and other parameters.
Failure alarm: Verify the failure detection and alarm function of BMS in case of battery under-voltage, over-voltage and over-temperature.
Communication function test: test the communication ability between BMS and other systems to ensure the correct transmission and processing of data.
Application Fields
BMS test systems are widely used in electric vehicles, energy storage systems, power tools, aerospace and many other fields, providing test and verification services for different types of BMS.
With the continuous development of electric vehicles and energy storage technologies, the importance of BMS test systems is becoming more and more prominent. Through high-precision data acquisition and simulation technology, BMS test systems can comprehensively evaluate the performance of BMS and ensure the safe and reliable operation of battery systems.
