Buy quality Medium Voltage Variable Frequency Drive VFD, developed by a professional manufacturer in China, is designed for high-performance industrial motor speed regulation. The Medium Voltage Variable Frequency Drive VFD combines advanced vector control algorithms with high-efficiency power conversion technology, enabling precise torque control, stable operation, and significant energy savings in medium-voltage applications.
Medium Voltage Variable Frequency Drive VFD is an intelligent motor control system that adjusts motor speed and torque by controlling output frequency and voltage. It is widely used to optimize energy consumption and improve process accuracy in heavy-duty industrial systems such as pumps, fans, and conveyors.
High-precision vector control ensures fast response and stable torque output even at ultra-low frequencies
Multi-pulse transformer design effectively reduces harmonic pollution and improves grid compatibility
DSP+FPGA+PLC triple-core control architecture enhances processing speed and system reliability
Modular power unit structure simplifies maintenance and increases operational stability
Strong protection system covers overvoltage, overload, phase loss, and overheating conditions
Medium Voltage Variable Frequency Drive VFD is widely used in metallurgy, mining, cement production, petrochemical plants, power stations, water treatment systems, and elevator control systems. It enables smooth speed regulation, reduces mechanical stress, and improves overall production efficiency.
Ensure inverter room is clean, dry, and equipped with proper cooling and dehumidification
Regularly inspect cooling fans to maintain airflow efficiency and reduce overheating risk
Maintain grounding resistance below 4Ω to ensure electrical safety
Monitor system diagnostics via the touch screen for early fault detection
| Item | Two Limit | Four limit | |||||
| Input | Voltage Classes | AC3PH | AC3PH | ||||
| 3kV | 6kV | 10kV | 6kV | 10kV | |||
| Voltage fluctuation range | -20%-+10% | ||||||
| Voltage Frenquency | 50/60Hz;±5% | ||||||
| Power Factor | ≥0.97(full load) | ||||||
| System efficiency | ≥0.96(full load) | ||||||
| current harmonics | ≤4% | ≤2% | ≤4% | ||||
| Output | voltage range | 0-Rated Voltage | |||||
| frequency range | 0-120Hz; can be customized | ||||||
| current harmonics | ≤4% | ≤2% | |||||
| Control Performance | control mode | High performance VF control, open-loop vector, dose-loop vector control | |||||
| speed ratio | 1:50 (VF) ; 1:100 (SVC) ; 1:200 (VC) | ||||||
| Velocity control accuracy | ±1%(VF);±0.4%(SVC);±0.2%(VC) | ||||||
| Torque response time | <200ms(SVC);<100ms(VC) | ||||||
| pull-in torque | 0.5Hz150% rated torque (SVC ) ; OHz180% rated torque (VC) | ||||||
| overload protection | 120%:120s ; 150%:5s; 200%: protection | 150%:60S; 200%:protection | |||||
| add-subtract speed time | 0-6000S, can be customized | ||||||
| l Distribution Unit | on-off input | 18 channels digital input (expandable, programmable) | |||||
| on-off output | 12 channels digital output (expandable, programmable) | ||||||
| analog input | Four analog inputs (0-10V or 0-20mA) ) | ||||||
| analog output | 2 channels analog input (0-10V or 0-20mA) | ||||||
| Protection | system protection | Overcurrent, overvoltage, undervoltage, overload, phase loss, imbalance, overheat, overtemperature, access control, communication,etc | |||||
| cell protection | Undervoltage, overvoltage, overtemperature, phase loss, optical fiber, overcurrent, etc | ||||||
| human-computer interface | 10 inch touch screen | ||||||
| communication way | support Modbus agreement , profibus, Profinet optional | ||||||
| Installation Method | Cabinet assembly | ||||||
| Protection grade | IP30 | ||||||
| Noise Level | ≤ 75dB | ||||||
| Incoming /outgoing lines | Into the out | ||||||
| Cooling Type | forced air cooling | ||||||
| control source | AC380V, three-phase four-wire | ||||||
| mean time to failure | 50000h | ||||||
| operating ambient temperature | -20℃-+40℃ | ||||||
| altitude | 1000m below, 1000m,each 100m Derating 1% | ||||||
| Storage temperature | stored in free from dust, direct sunlight, combustible or corrosive gas,oil, water vapor and vibration | ||||||
| vibration amplitude | 0.59g below | ||||||
Q1: What is the main function of this drive?
A1: It controls motor speed by adjusting voltage and frequency, improving energy efficiency and process stability in industrial systems.
Q2: What industries can use Medium Voltage Variable Frequency Drive VFD?
A2: It is suitable for mining, metallurgy, cement, petrochemical, water treatment, and elevator applications requiring precise speed control.
Q3: How does it improve energy savings?
A3: By optimizing motor speed according to load demand, it reduces unnecessary energy consumption and improves system efficiency.
Q4: What protection features are included?
A4: It includes overcurrent, overvoltage, undervoltage, overload, phase loss, overheating, and communication protection functions.
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No. 58 Binhainan Fourth Road, Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province, China
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