Resources

WD5100 Series Medium Voltage VFD Technical Specifications

  Technical Specifications
ItemParameter6KV Series10KV Series
Input Parameters
InputRated Input Voltage3-phase 50/60Hz, 6KV3-phase 50/60Hz, 10KV
Voltage Fluctuation Range±10% full load operation, -35%~-10% allowed for long-term derating
Frequency Variation Range50Hz±5%
Unit Input Voltage690V
Input Power Factor≥0.95 (above 20% load)
Input Current Harmonic≤4% compliant with IEEE519-1992 and GBT14549-93 standards
Output Parameters
OutputOutput Voltage Range0~6kV0~10kV
Output Capacity Range230~9300kVA280~15000kVA
Unit Output Voltage690V
Output Frequency Range0~120Hz (120Hz-700Hz customizable)
Speed Regulation Ratio100:1 (without encoder); 1000:1 (with encoder)
Speed Accuracy± 0.5% (open-loop vector); ± 0.02% (closed-loop vector)
Number of Power Units per Phase15 pcs24 pcs
Technical Specifications
Technical SolutionUnit cascade, AC-DC-AC, high-high configuration
Control MethodWith/without speed sensor control (SVC/FVC)
Compatible Motor TypesAsynchronous motor, electrically excited synchronous motor, permanent magnet synchronous motor
Rectifier TypeDiode three-phase full bridge
Inverter TypeIGBT inverter bridge
Acceleration/Deceleration Time0.1~6500 seconds
Start/Stop ControlLocal or remote
Control SystemARM, DSP, FPGA, HMI
Panel DisplayTouch screen, Simplified Chinese
Overload Capacity120% rated current, 1 minute
Overall Efficiency≥96%
Fuse in Frequency ConverterYes
Protection LevelIP30
System ProtectionMotor overload, inverter overload, output short circuit, output grounding, input overcurrent, input overvoltage, input imbalance, cooling fan failure alarm, door switch interlock protection, transformer overheating alarm, transformer overheating trip, etc.
Mean Time Between Failures (MTBF)80,000 hours
Communication InterfaceCAN, Modbus/RS485, Modbus/TCP, PROFIBUS-DP (optional)
Digital Input25 channels
Digital Output25 channels transistor output, 8 channels relay output
Analog Input2 channels, 4~20mA or 0~10V
Analog Output4 channels, 4~20mA or 0~10V
Environmental Parameters
Operating EnvironmentIndoor
Ambient TemperaturePreheating may be required below 0°C, derating required above 40°C
Altitude<1000m, derating required above 1000m (please specify when ordering)
Total Equipment Noise≤80dB
Cooling MethodForced air cooling
Control Power Supply380V±10%AC three-phase four-wire
Wiring MethodBottom entry and exit (customizable)


Contact Us

Be the first to know about our new product launches, latest blog posts and more.
Founded in 1984, Wolong is a global leader in motor and drive technology, providing safe, efficient,...

Any question or request?

Click below, we’ll be happy to assist. Contact Us
Copyright © 2026 Wolong VFD Electric Group. All rights reserved.