JH500V100A-50kW-1-channel power battery testing system
The battery pack charge–discharge testing system is independently developed, produced, and manufactured by our company. This product supports capacity testing, capacity verification, charge–discharge aging, and performance evaluation of battery packs. In terms of hardware, it features a modular design, digital DSP control, high‑precision current and voltage sampling, an outstanding independent‑channel architecture, and support for multi‑channel parallel operation, enabling customers to configure various current levels and easily scale up capacity. It also includes auxiliary channels for voltage and temperature sampling, BMS data acquisition, and an independent airflow path, ensuring excellent thermal stability.
- Product Description
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I. Product Overview
The battery pack charge–discharge testing system is independently developed, produced, and manufactured by our company. This product can be used for battery‑pack capacity measurement, capacity verification, charge–discharge aging, and performance testing, among other applications.
Hardware: Adopts a modular design, digital DSP control, high-precision current and voltage sampling, and an outstanding independent-channel architecture. It supports multi‑channel parallel operation, enabling customers to configure various current levels and facilitating easy scalability. Additional auxiliary channels provide voltage and temperature sensing, BMS data acquisition, and the system features an independent airflow path for superior thermal stability.
Software: A robust software platform with database management and fully digital operation; the user interface is simple and intuitive. The system automatically controls charging and discharging modes, eliminating the need for manual recording of test data and ensuring both efficiency and accuracy.
Energy consumption: During charging, PWM soft-switching technology is employed to enhance system efficiency and reduce losses; during discharging, the device feeds the battery’s energy back into the grid, enabling energy‑saving regenerative discharge.
II. Product Features
High reliability
It adopts an AC/DC bidirectional independent module design.
Adopting a front‑in, rear‑out airflow configuration to extend the fan’s service life;
An excellent airflow design enhances heat dissipation performance.
High-performance DSP controller with high-precision control;
High-efficiency control algorithms reduce losses and enhance system stability.
The device features fast output response, low ripple, high power density, and excellent stability.
More economical
Supports high-quality bidirectional energy flow, promoting energy efficiency and environmental sustainability.
Smart fan control for high efficiency and energy savings;
Equipment accuracy: 0.05%–0.1%; feedback efficiency: 70%–93%.
High power factor, with a PF value of 0.99;
More flexible
Modular design with independent single-channel control for easy maintenance.
Supports channel parallelization, is detachable, and offers flexible deployment.
Supports CAN communication for data integration with the BMS.
Supports MES system integration (optional);
III. Technical Specifications
Indicator item Technical Specifications Device model JH500V100A-50KW-1CH Number of channels per machine 1 channel Input power supply Three-phase five-wire AC 380V ±20% 50Hz/60Hz ±10% Power factor >0.99 (full load) Current harmonic distortion <5% (full load) Charging efficiency 90% Discharge efficiency 89% Sampling resolution AD: 18-bit Voltage Voltage range Charging voltage: 0–500 V Discharge voltage: 20–500 V Precision ±0.05%FS+0.05%RD @25℃±10℃ Resolution 1mV Sampling Time (s) 5mS Electric current Current range Charging current: DC 0.1–100 A Discharge current: DC 0.1–100 A Precision ±0.05%FS+0.05%RD @25℃±10℃ Resolution 1mA Sampling Time (s) 5mS Minimum Cut-off Current 500mA Power Total machine power 50KW Precision 0.1%FS Resolution 1mW Time Operation time range ≤3000 hours Charge–discharge current rise time ≤ 50 mS (10%–90%) battery load Charge–discharge switching time ≤100 mS (10%–90%) battery load Charge and discharge Charging mode Constant current–constant voltage, constant current, constant voltage, constant power, constant resistance Discharge mode Constant voltage, constant current, constant power, constant resistance As of/Transition Condition Voltage, current, time, temperature (optional) As of/Transition Condition
(BMS component)Cell voltage, cell current, relative time, cell voltage difference, cell temperature, state of charge (SOC), total current Loop Cyclic Test Range ≤ 65,000 times Number of single-cycle steps 255 Nested loops 5 floors Auxiliary Voltage Acquisition 0–12 V, resolution 1 mV, accuracy: 0.1% Protection Host Protection Output short-circuit protection and reverse-polarity protection Self‑diagnostic protection, including over‑temperature protection, fan‑failure protection, MOSFET failure protection, zero‑current output in the channel when a MOSFET malfunctions, and soft‑start protection for both the device and battery voltages. Safety protection conditions can be configured, with parameters including: maximum total voltage, upper and lower limits for single-cell voltage, maximum current, minimum current, delay time, upper and lower limits for capacity, upper and lower limits for power, and upper and lower limits for temperature, among others. Oversized protection Voltage protection exceeds device specifications and triggers an alarm when it surpasses the sample specifications. Protection Settings Redirect, incorrect alarm protection condition settings, no protection configured Input Protection Overvoltage, overcurrent, phase loss, phase sequence error, overheating, leakage current, protection alarm, islanding protection Output protection Overvoltage, undervoltage, overcurrent, short circuit, overcapacity, overtemperature Power-off protection After a power outage, the battery is automatically disconnected from the device, effectively preventing unintended operations upon power restoration, while preserving breakpoint data so that process execution can resume when power is restored. Jump Protection An alarm is triggered and protective action is initiated when the equipment meets the transition conditions but fails to transition, or fails to reach the designated process step. Monomer protection Cell undervoltage, cell overvoltage, cell temperature out of range, and reverse battery connection—protection thresholds are user‑configurable. Emergency Stop Protection In an emergency, the emergency stop button can immediately shut down the equipment. Trend Protection Over‑range protection for voltage and current, point‑by‑point trend anomaly protection, and voltage fluctuation protection. Program Protection The mid-level and upper-level controllers are equipped with safeguards against abnormal conditions such as program freezes. Real-time monitoring of device software program thread states and protection functions. Each software module or thread is equipped with state monitoring and exception-handling capabilities. Communication Protection The host computer, the slave device, and the auxiliary voltage–temperature channel board are equipped with response‑verification communication protection and heartbeat‑frame protection; they also provide safeguards against communication interruptions, packet loss, and loss of synchronization codes. Additionally, they feature anomaly‑detection and protection for the host computer, the host controller, the PC, network cables, and other components. Confirm Modification Protection If the main or auxiliary voltage protection conditions have not been configured or updated, a reminder will be issued and the protection process cannot be initiated. Reverse connection protection Single-channel voltage line reverse‑polarity protection, single-channel current line reverse‑polarity protection, inter‑channel voltage line reverse‑polarity protection, inter‑channel current line reverse‑polarity protection. Voltage Transient Protection Protection against sudden voltage changes during charging, discharging, or storage. Operating mode transition with voltage‑sag protection: voltage drops during charging and rises during discharging. Wire break protection Voltage and current line open-circuit fault protection Insulation protection Insulation protection for high-voltage copper busbars, spacers, and terminal blocks Alarm function The hardware features an emergency stop switch, automatic shutdown upon power loss, and automatic load connection and disconnection. Features Isolation method High-frequency isolation Cooling method Forced air cooling Channel Characteristics The constant-current source and the constant-voltage source employ an independent dual-loop structure. Does it support different ports? Supports current and power pulses Does it support parallel connection? 2 to 6 in parallel Channel Control Mode Independent control Voltage and current detection sampling Four-wire connection Pulse Minimum pulse width for a single channel: 20 ms Supports current and power pulses Communication Expansion
(Options)
Supports communication with auxiliary channels (inspection instruments), BMS systems, EMS systems, and smart QR‑code scanning devices. Communication interface: RS-485/CAN, supports DBC protocol. Mean Time Between Failures (MTBF) > 5000H Weight 450KG Dimensions (Width × Height × Depth) 600*1610*850mm Protection rating IP20 Certification Requirements CE EN 62477-1:2012 IEC 62477-1:2012 + AMD1:2016 Noise <75DB Host computer communication Based on the TCP/IP protocol Operating temperature -10℃ to 20℃ Humidity 10% to 90% non-condensing Altitude <5000M
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Huizhou Jinghui Instrument and Equipment Co., Ltd.
Service Hotline:400-1331-882
No. 13, Jinda Road, Huinan Science and Technology Park, Huizhou City, Guangdong Province
E-mail:jh@jhyq.com
