Variable Frequency Drive
WOLONGThe WD200 series is Wolong's new generation of high-performance general-purpose inverters. Featuring advanced motor control algorithms, it is perfectly matched with Wolong motors to support AC induction, permanent magnet synchronous, and synchronous reluctance motor control. With high reliability, superior performance, strong scalability, multi-drive capability, and easy cabinet integration, the power range spans from 0.75 to 1000 kW. A single model can match two different motor power ratings. Users can select based on load conditions: Light Duty (P type) for applications with low overload requirements (up to 120%), where the motor power is less than or equal to the inverter's standard rated power; Heavy Duty (G type) for applications with higher overload demands (up to 150%), where the motor power is less than or equal to the inverter's heavy-duty rated power. In terms of control performance, the WD200 supports both open-loop and closed-loop control as well as speed and torque control modes. It delivers 150% of rated torque at 0.5 Hz (SVC) and 200% at 0 Hz (FVC), offering excellent low-frequency characteristics with stable operation at 1 Hz under rated load (SVC) and at 0 Hz under rated load (FVC). Efficiency reaches up to 98%, and it includes speed tracking start-up functionality. The hardware features an integrated drive design with dual expansion card slots to meet diverse application needs. It supports fieldbus adapters (PROFIBUS-DP, PROFINET, Ethernet, EtherCAT, CANopen), I/O expansion modules, and speed feedback encoder modules. The operator panel allows parameter storage, upload, and download for convenient debugging and backup. The system supports common DC bus multi-drive and four-quadrant applications for energy-efficient performance and integrates with major industrial communication protocols for seamless connection to full-line automation systems.
Comprehensive & versatile product lineup: 0.75~1000kW full power range, supporting single-phase 200~240V, three-phase 200~240V, three-phase 380~480V, and three-phase 660~690V.
Dual power rating matching: A single model supports both light-load P type (max overload 120%) and heavy-load G type (max overload 150%). Select based on actual operating conditions.
Unified multi-motor drive design: Supports synchronous, asynchronous, and synchronous reluctance motors with open/closed-loop control and speed/torque modes for diverse industrial applications.
High starting torque and excellent low-frequency performance: 0.5Hz output of 150% rated torque (SVC), 0Hz output of 200% rated torque (FVC); stable operation at rated load from 1Hz (SVC) to 0Hz (FVC).
Achieve up to 98% efficiency. Supports four-quadrant applications and multi-drive systems with a common DC bus for energy savings and high performance.
Supports mainstream industrial communication protocols: PROFIBUS-DP, PROFINET, Ethernet, EtherCAT, and CANopen.
Dual Expansion Card Slots: Supports simultaneous expansion of I/O modules, speed feedback encoder modules, and communication modules to meet diverse application needs.
The control panel supports parameter storage and upload/download, facilitating on-site debugging and parameter backup.
Comprehensive Core Features: V/F and Vector Control, Speed Control, Torque Control, PID Control, Multi-Speed Operation, Simple PLC, Oscillation Control, Counting & Timing, Speed Tracking Start, Power Failure Auto-Restart
VFD Energy Saving Speed Control for Fans and Pumps
Constant pressure air supply for air compressors
Belt Conveyor and Conveying Line Speed Control
Four-quadrant operation of lifting and hoisting equipment
Plastic Machinery Drive Systems: Injection Molding Machines and Extruders
Machine Tool Spindle and Feed Drive
Textile Machinery: Frequency Swing and Multi-Stage Speed Control
Papermaking Machine Tension and Multi-Drive Synchronization Control
Heavy-duty start-up for metallurgical rolling mills and mining crushers
Municipal Water and Building HVAC Energy Retrofit
DC Bus Multi-Drive System Integration
Single-phase 200V~240V and three-phase 200V~240V low-voltage distribution scenarios. Suitable for low-power models and select export projects; verify with the on-site power supply system.
For domestic low-voltage grid standards, 3 kW and below use Y connection, while over 3 kW uses Δ connection, suitable for most factory distribution scenarios.
Common medium-voltage distribution levels for coal mines and large industrial sites; at the same power level, current is approximately 0.58 times that of 380V systems, reducing cable cross-section and line losses.
For the same model, output power, speed, efficiency, power factor, and torque remain constant regardless of voltage; only the rated current is adjusted using I = IN × 380 / U. Dual-voltage motor models (380/660V and 660/1140V) are switched via jumpers in the terminal box. The 1140V model is designed for high-voltage supply in underground coal mines and requires verification that its explosion-proof certification covers the application. Variable frequency drives (VFDs) are categorized by supply voltage; specify the site supply voltage, phase count, and frequency at the time of order.
Ingress Protection Rating
IP0
Power voltage fluctuation
Single-phase/Three-phase 200V~240V: -10%~+10%；Three-phase 380V~480V: -15%~+10%；Three-phase 660V~690V: -10%~+10%
Power frequency fluctuation
50/60 Hz ±5%
Overload protection
G overload 150% rated current for 60s; P light load 120% rated current for 60s
Harmonic Suppression
Meets IEC61800-2 requirements
Compliant
IEC61800-5-1, GB12668
The VFD includes protection and self-diagnostic functions for overcurrent, overvoltage, undervoltage, overload, and overheating. The control panel displays real-time status and fault logs, and supports parameter upload/download for troubleshooting and batch commissioning.
The models listed below are from the WD200 selection table. They provide reference selections for common operating conditions based on supply voltage and load type: G series for heavy-duty loads (150% of rated current for 60s), and P series for light-duty loads (120% of rated current for 60s). Actual selection should be verified using the motor nameplate current and site-specific operating conditions.
Single-phase power workshop: small conveyor lines, mixers, and small fans/pumps
Belt conveyor, crusher, and mixer drive for 220V three-phase power grid
Dual-purpose energy-saving speed control for fans, pumps, and conveyor lines
Constant-pressure air supply for air compressors with injection molding and extrusion machine drives
Auxiliary drives for mining crushers, ball mills, and metallurgical rolling mills
Synchronization of main drive in cement kiln, large fans, and multi-drive paper machines
Underground coal mine, oilfield injection pump, and port lifting equipment
Large Mine Hoists, Steel Rolling Main Drives, and Municipal Large Pump Stations
← Swipe left or right to view full parameters; first column is fixed
| Project | Guidelines |
|---|---|
| Supply Voltage and Power Range | Single-phase 200V~240V (–10% to +10%); Three-phase 200V~240V (–10% to +10%); Three-phase 380V~480V (–15% to +10%); Three-phase 660V~690V (–10% to +10%); 0.75~1000kW |
| Power supply frequency | 50/60 Hz ±5% |
| Motor Type | Three-phase Induction Motor (IM), Permanent Magnet Synchronous Motor (PMSM), Synchronous Reluctance Motor (SynRM) |
| Control Mode | V/F, Open-loop Vector Control (SVC), Closed-loop Vector Control (FVC), V/f Decoupling |
| Speed control range | 1:200 (SVC), 1:1000 (FVC) |
| Speed stability accuracy | IM: ±0.5% / PMSM: ±0.1% (SVC); ±0.02% (FVC) |
| Torque control accuracy | IM: ±10% / PMSM: ±5% (SVC); IM: ±5% / PMSM: ±2.5% (FVC) |
| Starting Torque | 0.5Hz 150% (SVC); 0.0Hz 200% (FVC) |
| Overload capacity | G Overload: 150% rated current, 60s; P Light Load: 120% rated current, 60s |
| Output frequency range | 0~600 Hz |
| Simulate input | 2 Channels: AI1, AI2 (0-10V / 0-20mA / 4-20mA) |
| Simulate output | 2 Channel: AO1, AO2 (0-10V / 0-20mA / 4-20mA) |
| Number input | 7 programmable digital inputs with a maximum input frequency of 1kHz and an internal impedance of 4.4kΩ (5 channels for rack sizes 5 and smaller). |
| Digital output | 1 programmable open-collector digital outputs (max 1.2mA internal supply, max 200mA external supply); 1 high-speed pulse outputs, up to 100kHz |
| Relay Output | 2 Programmable: TA1/NO1 NO, TB1/NC1 NC, TC1/CM1 COM; TB2/NO2 NO, TC2/CM2 COM |
| Communication Interface | Modbus RTU: A+/B-/485G |
| Expand Interface | 2 expansion interfaces, SLOT1 and SLOT2, support expansion I/O modules, speed feedback encoder modules, communication modules, etc. |
| Fieldbus Adapter Module | PROFIBUS-DP, PROFINET, Ethernet, EtherCAT, CANopen |
| I/O Expansion Module | 4 digital inputs (including 1 high-speed inputs), 1 digital outputs, 1 analog outputs, 1 relay outputs, and 1 temperature inputs (PT100/PT1000) |
| Speed Feedback Module | Incremental Encoder Module, Rotary Encoder Module, Sine-Cosine Encoder Module |
| Chinese Control Panel | Available for all models |
| Brake Unit | 0.75~22kW standard built-in; 30~160kW optional built-in; 160kW and above optional external |
| DC Reactor | Built-in option available for 30kW and above |
| Key Features | Asynchronous or permanent magnet synchronous motor control, synchronous reluctance motors, V/F or vector control, open-loop/closed-loop control, speed control, torque control, PID control, multi-segment speed function, simplified PLC function, sweep frequency control, counting and timing functions, speed tracking start, power-off restart function, and more. |
| Installation Method | DIN rail mount, wall-mount, flange mount, floor-mount |
| Cooling Method | Forced air cooling |
| Ingress Protection Rating | IP0 |
| Operating Temperature | -10°C to +50°C, >40°C requires derating |
| Storage Temperature | -30℃~+60℃ |
| Compliant | IEC61800-5-1, GB12668 |
| Harmonic Suppression | Meets IEC61800-2 requirements |
The above parameters are based on the product catalog for the WOLONG WD200 series high-performance general-purpose inverters. Data source: WOLONG Laboratory. G denotes heavy-duty; P denotes light-duty. The same model supports two motor power ratings; select according to actual load conditions. For models of 500kW and above, multi-drive cabinets with common DC bus, or special operating conditions, please contact the Panpu technical team for confirmation.
Wolong WD200 Series High-Performance Universal Variable Frequency DriveProduct Catalog (PDF) – Download for full technical specs, installation dimensions, and selection tables.
Wolong WD200 Series High-Performance Universal Variable Frequency DriveProduct Catalog
PDF Document · Free Public Download
Series-connected multi-level AC-DC-AC high-to-high configuration. 6kV series capacity: 250~9000 kVA; 10kV series: 250~16000 kVA. Input power factor ≥0.95, input current THD ≤4%. Maximum speed ratio 200:1 (FVC). Compatible with asynchronous motors, electrically excited synchronous machines, and permanent magnet synchronous machines. Widely used for energy saving in fans and pumps, as well as process drives, across oil & gas, power, chemical, metallurgy, building materials, and municipal sectors.
1 kV, capacity 280~250 kVA. Shares the same control system as WD5100. Features a fully sealed power unit design for superior environmental adaptability. Overall dimensions are approximately 45% smaller than standard models. Core components like film capacitors offer significantly extended lifespans. Ideal for energy-saving applications in fans and pumps across metallurgy, HVAC, chemical processing, non-ferrous metals, building materials, coal mining, municipal services, power generation, and paper manufacturing sectors.
Mining and Metallurgy
The Saudi CG Test Bench Project (CG Saudi Test Bench Project MVC) was commissioned in 2014/6, utilizing 1 units of 6560kW high-voltage variable frequency drives to power large-capacity motor loads. This project represents a flagship overseas deployment of the series-connected multi-level high-voltage VFD solution on the same platform.
Energy Saving22%Kilich Chemical
Optimize the motor drive system across the entire tire production line, coordinate multi-device control to reduce overall energy consumption, and adapt to wheel control and molding processes. Help factories achieve energy savings, carbon reduction, and improved production efficiency.
Mining and Metallurgy
Longde Electric (Zhejiang) Power Electronics issues Authorization Letter NO.WLPEFX20260019, authorizing Pakistani agent Techno Control Pvt. Ltd. to bid for the K Electric VFDs project. The project confirms ten delivery commitments—including technical clarification, drawings, protection coordination, interfaces, HVAC dimensions, foundations, signal exchange, software backup, and O&M training—as specified in the Technical Clarification Letter.
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