EST-BT1000V High voltage（power frequency） - est group-Becoming a leader in comprehensive service platforms for the global new energy battery industry

Overview

This device adopts international advanced three-level IGBT control technology and high-performance power quality optimization control technology to achieve high-quality bidirectional energy flow and energy feedback during the performance testing process of energy storage and power battery packs. Combined with international/domestic testing standards, comprehensive testing of various electrical performance parameters of power batteries is carried out to obtain comprehensive and accurate detection data.

Reliable

Adopting a forward and backward ventilation method to extend the lifespan of the fan, excellent air duct design, and improved heat dissipation performance.

Skillful

High performance DSP controller, high-precision control, efficient control algorithm, reduces losses, and improves system stability.

Economical

Supporting high-quality bidirectional energy flow, energy-saving and green, intelligent fan control, efficient and energy-saving, modular parallel design, can meet various customization needs.

Efficient

The device has fast output response, small ripple, high power density, high stability, single channel independent control, and higher adaptability.

Parameter

Input power AC380V±10% 50Hz Three-phase four-wire
Charging and discharging power factor ≥99%
THDi ≤5%
Efficiency Up to 95%
AC input protection Anti surge, anti islanding, over/under frequency, over/under voltage, phase loss protection, leakage protection, over temperature protection, etc
Charging/discharging voltage range 100V～1000V Multiple specifications available for selection
Charging/discharging current range 50A～500A Multiple specifications available for selection
Voltage and current accuracy ±0.05% F.S＋±0.05% R.D
Number of channels 1 to 2 channels are available
Q-MODE Supports full power, half power, and constant power modes
Charge discharge mode Constant voltage, constant current, constant power, constant current, constant voltage, constant resistance, etc
cut-off condition Voltage, current, relative time, capacity, temperature, etc.
Current response time 10ms（10%~90% F.S）
Current switching time 20ms（-90%~90% F.S）
Channel parallel connection Support channel parallel
Communication method between central computer and upper computer Based on TCP/IP protocol
Protection function Host protection, over specification protection, emergency stop protection, power-off data protection, trend protection, output protection, communication protection, program protection, confirmation modification protection, reverse connection protection, voltage clamp protection, voltage jump protection, wire breakage protection, insulation protection, etc.
Expand communication and methods Support communication with inspection equipment, BMS system, and communication, communication methods: RS485 and CAN communication

Application

It can achieve comprehensive electrical performance testing of battery packs within a high voltage range, with precise and rich data reporting functions. It provides a scientific basis for battery production enterprises, electric vehicle manufacturers, testing and research institutions, and energy storage equipment to comprehensively evaluate the quality of batteries and motors, and for the research, production, and application of electric vehicles and energy storage equipment.

Performance testing of power batteries

Battery cycle life test

Rate discharge test

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