Medium Voltage VFD (Variable Frequency Drive)

  • Modular Cascaded H-Bridge Topology
  • High-Efficiency Variable Speed Control
  • Low Harmonic Distortion & High Power Quality
  • Energy Saving for Large Industrial Motors
  • Reliable Operation in Harsh Environments
  • Easy Maintenance with Replaceable Power Cells
  • Intelligent Monitoring and Communication

As a core industrial power device, the Medium Voltage VFD (Variable Frequency Drive) is a high-power, high-efficiency speed regulation solution tailored for heavy-duty industrial applications. Specially built for complex medium-voltage grid environments, it supports continuous, stable and low-energy-consumption operation. It greatly optimizes motor operating performance, stabilizes on-site power grid quality and effectively cuts overall industrial operating energy consumption.

Heat Exchange & Cooling Water

Equipped with mature multi-level cascade topology and high-quality power devices, this Medium Voltage VFD delivers smooth output with low harmonic distortion. It avoids grid fluctuation and electrical interference. It greatly protects motors and other precision equipment on site. The system features strong grid adaptability and high operation efficiency. It works steadily even under unstable voltage and heavy-load working conditions.

It supports precise speed control and constant torque output. Soft start and soft stop functions eliminate current surge and mechanical impact. This reduces equipment wear and extends service life. Built-in comprehensive protection includes overvoltage, overcurrent, overload, overheating and phase loss protection. It ensures safe, reliable and 24/7 continuous operation for industrial production lines.

Adopting modular and compact design, the drive saves installation space and simplifies daily maintenance. It supports real-time monitoring and intelligent fault diagnosis. Widely applied in power plants, mining, metallurgy, petrochemical and water treatment industries, it perfectly drives large fans, pumps, compressors and conveyor equipment. It helps enterprises achieve stable production, lower energy costs and intelligent industrial upgrading.

Specifications

ItemDetails
Voltage Range3kV–11kV
Power Range250kW–10MW
TopologyCascaded H-Bridge Multilevel
Efficiency≥98%
Frequency Range0–120Hz
Control ModeV/F & Vector Control
CoolingAir Cooling / Liquid Cooling
ProtectionComprehensive Motor & Drive Protection
CommunicationIndustrial Fieldbus Support
ApplicationIndustrial Heavy-Duty Motors

Downloads

File NameTypeLanguageFile TypeUpdateDownload
ISO 90012015CertificateEnglishPDF2026.7.29
ISO140012015CertificateEnglishPDF2026.7.29
ISO450012018CertificateEnglishPDF2026.7.29
T S A003 一 2019CertificateEnglishPDF2026.7.29
TSI A003 一 2019CertificateEnglishPDF2026.7.29

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