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演示产品 - High-Frequency Bidirectional DC Test Power Supply

WB5000 Series
The WB5000 Series is designed for R&D and testing across a wide range of applications, including electric vehicle (EV) drive motors, EV powertrain systems, DC charging stations, and energy storage converters.
 
Built with the latest third-generation wide-bandgap SiC semiconductor technology, the WB5000 Series is optimized for high-frequency operation, modularity, standardization, and high performance. It is a high-quality bidirectional DC power supply that combines high precision, fast dynamic response, and high efficiency.

Voltage Accuracy

±0.02%F.S

Current Accuracy

±0.02%F.S

Response Time

500μs

Switching Time

1ms

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  • Product Description

  • Product Features

Key Advantages

  • 01
    Third-Generation SiC Technology

    Designed with advanced third-generation wide-bandgap SiC semiconductor devices for stable and reliable operation.
  • 02
    Fast Transient Response

    Transient response time of ≤500 μs.
  • 03
    High-Frequency Modular Design

    Power modules feature a high-frequency modular design with drawer-type installation, making maintenance and module replacement easier.
  • 04
    Third-Generation SiC Technology

    Designed with advanced third-generation wide-bandgap SiC semiconductor devices for stable and reliable operation.

Models & Specifications

Model
Rated Power
Output Voltage
Rated Current
Size (WDH)
WB5100-1200-300
100KW
20~1200V
±300A
850*1000*1500
WB5100-1200-600 200KW
20~1200V
±600A
850*1000*1500
WB5100-1200-900 300KW
20~1200V
±900A
850*1000*2000
WB5100-1200-1200 400KW
20~1200V
±1200A
1650*1000*2000
WB5100-1200-1200 500KW
20~1200V
±1200A
1650*1000*2000
WB5100-1200-1200 600KW
20~1200V
±1200A
1650*1000*2000

Technical Specifications

Item
Value
Voltage Accuracy
±0.02%F.S
Current Accuracy
±0.02%F.S

Optional Functions

1、Distribution Box PDU:
Enables convenient wiring at the load end, facilitating on site system integration and enhancing safety protection.

2、Discharge Device PDSB:
Effectively prevents back fed energy from damaging test equipment in the event of grid faults or power supply anomalies.

3、Capacitor Cabinet:
Designed to meet the demand for smaller voltage fluctuations, achieving dynamic performance that matches or even surpasses imported equipment.

4 .nsulation Monitoring Function:
Real time online monitoring of the insulation resistance between the output positive/negative poles and ground, ensuring the electrical safety of the equipment.

Applications

  • Electric Vehicle Motor Testing 

  • Electric Vehicle Motor Controller Testing

  • Electric Vehicle Powertrain Testing 

  • Electric Vehicle Testing 

  • Electric Vehicle DC-DC Converter Testing 

  • Hybrid Vehicle Generator Testing 

  • Fuel Cell System Testing 

  • Fuel Cell DC-DC Converter Testing 

  • EV Charging Station Testing 

  • Battery Testing

Bidirectional DC Power Supply Operation

Supports bidirectional energy flow across the full power range. Provides Constant Voltage (CV), Constant Current (CC), and Constant Power (CP) operating modes, with user-defined voltage, current, and power parameters.

Optional Functions

1、Battery Type Mode

Users can select from five battery types: LMO, LCO, LiFePO₄, NMC, and Lead-Acid. Battery parameters including the number of cells in series, parallel configuration, and initial SOC can be configured. The I-V curve can be previewed before starting the simulation.

2、Custom Battery Mode

Users can define battery characteristics and create customized I-V curves. Up to 5 custom I-V curve profiles can be stored and recalled for testing when required.

During battery simulation, the system can dynamically plot the I-V curve based on SOC changes while displaying the current SOC, charge/discharge status, output voltage, output current, and output power in real time.

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DC Test DC Test Power Supply

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