Battery Charge and Discharge Tester (1000V1000A )

Product description:

The battery charge and discharge tester is a testing equipment for battery pack tests. This test system is an energy feedback type, bidirectional and 2-channel power processing system controlled by computer. It is specially designed to test the high-power lithium-ion battery pack.

The battery charge discharge test system can execute variable power curve output at the millisecond level and carry out battery simulation test according to the real road condition with excellent accuracy and flexibility and all the discharged energy can return to the power grid.

Its test data, which are obtained from the electrical performance tests on EV and HEV power battery systems according to various countries, industries and enterprise standards, can help the battery manufacturing enterprises, EV manufacturers and testing institutions assess the quality of batteries.

The battery charge discharge test equipment can provide diverse outputs, such as constant voltage, constant current, constant current converting to constant voltage, pulse, constant power, constant resistance, current phase step, voltage ramp, current ramp and variable power modes etc; in the meantime, any steps can be programmed to operate in any combination of operating modes to execute charge/discharge test and the modes can be switched quickly.

Features:

1. Industrial-standard dynamic current cycling test: The electrical performance test can accord with GB/T 31467-2015, GB/T 31484-2015 and GB/T 31486-2015 etc..

2. Energy-feedback design: With high energy-feedback efficiency, the discharged energy can return to the power grid or be used by the equipment, which saves the electric energy and greatly decreases the covering area of equipment.

3. Execute working condition simulation test according to the actual road conditions: The actual working condition data of the vehicles can be transformed to the simulation test technology so that the users can develop their own test working conditions.

4.  User-friendly operational software:

4.1 With simplified operational software, this test equipment integrates "working condition simulation" and "charge-discharge function".

4.2 It has diverse outputs ("step design"), such as constant current, constant voltage, constant current converting to constant voltage, pulse, constant power, constant resistance, current phase step, voltage ramp, current ramp, variable power, cycle and rest etc.

4.3 Test step: ≥9999 steps; cycle index: ≥9999 times; unlimited program storage.

4.4 Set the jump and end conditions according to the conventional variables (voltage, current, time, capacity, energy, power and temperature) and custom variables (BMS variables and other collectors).

4.5 WinAck Battery working condition simulation system adopts “menu-type programming”. It supports real-time working condition file (EXCEL format) import. The working condition files can be obtained by artificial editing and working condition acquisition system.

5. Data report:

5.1 Data report function: XLS-format report can be generated. The report includes channel data, step data, result data, real-time data etc and the report can be converted into graphs.

5.2 Data analysis function: the user can simultaneously select 4 parameters on Y axis and thus generate the needed graphs.

5.3 Data storage: the data can be exported one by one or all exported by multiple choices; the data can be named by barcode No., administrator ID or item name etc.

6. Sophisticated protection functions:

6.1 Sophisticated input and output power-off protection function can ensure the security of equipment, test data and test objects. Flexible programming modes can meet the test requirements of the complex techniques.

6.2 Input protection: overvoltage, overcurrent, default phase and over-temperature protection.

6.3 Output protection: overvoltage, overcurrent, short-circuit, temperature, undervoltage, battery polarity reversal and external short-circuit protection.

6.4 Power-off protection: after power off, the battery will disconnect from the equipment.

6.5 Battery cell protection: cell undervoltage, cell overvoltage, cell overtemperature and reversed polarity protection. The protection limit value can be set.

6.6 The control software can set the protection conditions: software overvoltage protection, software undervoltage protection, software overcurrent protection, auxiliary temperature protection, auxiliary voltage protection. The protection voltage and current values can be set, displayed, prompted and recorded on the list after channel protection.

6.7 Emergency-stop protection: under abnormal situations, the system has emergency stop

function. All the channels can be stopped simultaneously.

7. Output of a single channel:

WinAck power battery pack working condition simulation test system contains 2 channels. Each channel is composed of a 1000V1000A bidirectional DC/DC power. The max. power of each channel is 600kW.

8. Parallel-connected channels extend the application scope:

8.1 The battery charge and discharge tester is composed of 2-channel 1000V1000A power systems and the 2 channels can be used in parallel to realize the 1000V or 1800A output.

8.2 The flexible parallel connection of multiple channels helps users reduce the device investment.

9. System integration:

Integration of liquid-cooling system, vibrostand, environment chamber, cell voltage & temperature acquisition system and electronic load braking system etc (the integrated equipment should be charged):

9.1 After integrating with constant temperature and humidity chamber via the software, the equipment can execute synchronous set-up conditions matching with cycling test and reserve RS232, CAN and Internet interfaces.

9.2 After integrating with battery cell voltage and temperature acquisition system, via software, the equipment can collect and analysis the Li-ion battery cell temperature in real time and reserve CAN and Internet interfaces. 

Technical Parameters of the battery cycle charge and discharge testing equipment