The CE-6000Module detection system is a high-precision charging and discharging device specially developed for high-power battery pack testing. It has the characteristics of high dynamic response speed, high stability and accuracy, and flexible configuration of multiple channels. It supports pulse testing, cycle life testing, and working conditions. Simulation test. The system has multi-channel input and energy recovery functions, which can save a large amount of energy consumed in the process of charging and discharging. It adopts a two-way high-frequency DC conversion topology, combined with a high-performance multi-channel 24-bit AD conversion chip. The sampling resolution and output stability of the system are higher than traditional equipment.

1. Parameters

  1. A high-performance charge-discharge detection platform developed specifically for high-power density battery modules (packages).
  2. Equipped withAC/DC and DC/DC two-stage high frequency isolation modular designs, combined with low temperaturedrift, high performance multi-channel functions.
  3. The system has high power density, muti-channel integration and power feedback.
  4. HMI operation, Auto-calibration.
  5. A variety of BMS adaptability, support charge and discharge separated ports, support relay / MOS BMS scheme; independent CAN and RS485 communication, DBC configuration function.
  6. The remote control of the host computer is realized through Ethernet, which can realize channels parallel connection and support pulse and driving simulation.
  7. Human-computer interaction interface design, easy to operate and supports numbers of custom setting, equipped with regular calibration automatic reminder service.
Test Objects

2. System Architecture

The system is inspired by three-tier architecture design, that includes power system tier, centralized monitoring tier, and remote interaction tier. Each tier works independently to ensure the reliability of the system.

3. System Design

Simulation Verification

1. Well-constructed MTALAB simulation model.Optimized all

2. the parameters from outstanding design.

Adaptive Damping Control System

The resonance peak generated by LCL filter will be restrained to ensure the stability of closed-loop system.

Human-computer Interaction Interface Design

Parallel & Split Function
Supports different range of battery pack test with channel lexible parallel and split.
Module parallel function, support high current battery module test to achieve a one-stop solution.

Support DBC Configuration

The device supports DBC configuration. For battery packs with different CAN/RS485 communication protocols, you only need to configure DBC to communicate with the device, which is convenient for customers to test various types of batteries

Zero-negative Pressure Machine

The advanced main power conversion topology allows for four quadrant operation of charge and discharge current and voltage.
A variety of control modes, automatic switches, and it can achieve a full range of negative voltage charge and discharge.

Equipment with Separate Charge and Discharge Ports

Discharging have no effect on one another, making it safe and dependable for this 4-wire output design.
High-precision AD realizes independent sampling of charge and discharge voltage, and the software will switch sampling channels intelligently according to the charge and discharge status.

4. Structure & Process

Power topology view

Three-phase AC-DC Module
Three-phase non-neutral wire design: Reliable three phase bridge PFC circuit, stable voltage was adopted for this design to satisfy the demand of quick response.
High power Low harmonic: Grid-tie inverter(GTI), Bi-directional power factor>0.99, Low current harmonic<5%, adaptable to extreme power grid conditions.
Soft-switch: Combine with the mature and excellent soft switch design to realize dual-way highfrequency isolation, bi-directional energy flow, high-level energy efficiency, high energy density.
Compatibility: Excellent electromagnetic compatibility makes the model reliable and effective.

Three-phase AC-DC Module
BUCK-BOOST circuit: Adopting BUSK-BOOST circuit to achieve rapid charge/discharge response.
Advance LCL filtering design: Combined with high-performance LCL filter circuit, low ripple, high precision, each channels supports independent control, Channel/module parallel are supported.
For vary test requirement: The topology of the system supports flexible conversion that can be expanded to be compatible with different charge and discharge ports, and zero negative pressure discharge, to meet various battery test requirements.

Modules and Channels Parallel

AC Module

Bi-direction power factor PF>0.99,current harmonic THD<5%(full load)

Module Parameters
Customizable regarding to your needs