Variable Frequency Drives WXQ300 Series VFD Manufacturer
Applications
- Water pumps
- Solar pumping systems
- Fans and blowers
- Conveyor systems
- Agricultural irrigation
- Industrial automation equipment
Widely used in industrial automation and solar water pumping systems requiring stable frequency control and energy-efficient motor operation.
Key Features
- Single-phase 220V input, three-phase 380V output
- 0ā600Hz output frequency
- Sensorless vector control
- Built-in PID for pump control
- Energy-saving operation for solar applications
- Supports MPPT / PV power tracking mode
- OEM / ODM customization available
Solar Pumping System:How VFD Inverter Works?
A VFD converts fixed AC power into variable frequency output to control motor speed.
- Input AC power ā Rectifier (DC)
- DC ā Inverter (variable AC output)
- Motor speed adjusts based on frequency
This allows energy saving and precise control.
Product Specifications
| Parameters | Values / Description |
| Output Frequency | 0-600Hz |
| Overload Capacity | 150% rated current 1min, 180% rated current 3sec |
| Modulation Type | Optimized space voltage vector (SVPWM) modulation |
| Control Mode | Sensorless vector control (with optimized low-frequency dead-zone compensation) |
| Frequency Resolution | Digital setting 0.01Hz; Analog setting: Max frequency x 0.025% |
| Starting Frequency | 0.0-10.0Hz |
| Torque Boost | Auto torque boost; Manual torque boost 0.1%-30.0% |
| Built-in PID | Easy to constitute closed-loop control system |
| Multi-Speed Operation | Via built-in PLC or control terminal, multi-speed operation can be achieved. |
| Running Command Channel | Control panel reference, Control terminal reference, 485 communication |
| Digital Input Channel | Forward/reverse instructions: 5 programmable digital inputs |
| Analog Input Channel | 1 channel analog signal input, 0-20mA, 0-10V |
| Analog Output Channel | Analog signal output 4-20mA or 0-10V selectable, can realize setting frequency output, etc. various physical quantities output. |
| Relay Output Channel | 2 channels of relay output signal |
| Protection Function | Over-current protection, Over-voltage protection, Under-voltage protection, Over-heat protection, Overload protection, etc. |
| PV Power Tracking | CVT mode, MPPT mode |
W300 Series Vector Frequency Inverter
Description of main circuit terminals:
| Terminal Mark | Name | Description |
| R/L1, S, T / L2 | Power Input Terminals | Connect to AC power source |
| PP, PB | Braking Resistor Connection Terminals | Connect to braking resistor |
| U, V, W | ||
| H2 Inverter U,V | Inverter Output Terminals | Connect to three-phase motor |
| G, ā, E | Inverter Output Terminals | Connect to single-phase motor |
| Ground Terminals | Connect to the ground terminal of the power distribution box, or other standard ground electrodes. |
Inverter Control Circuit Wiring Methodļ¼
O indicates main circuit terminal
Why Choose Our VFD Inverter
- Professional VFD manufacturer
- OEM / ODM customization available
- Optimized for solar pumping systems
- Built-in PID for water pump control
- Energy-efficient and cost-saving operation
- Reliable protection for outdoor/industrial use
- Fast delivery and global support
Long-tail Keywords
- 220V single phase to 380V three phase VFD supplier
- solar pump VFD inverter
- MPPT solar VFD controller
- VFD inverter for irrigation system
- industrial motor VFD manufacturer
- energy saving VFD for water pump
FAQ
Q1: What is a single phase 220V to three phase 380V VFD used for?
It is used to drive and control three-phase motors in systems where only single-phase 220V input power is available.
Q2: What power range does the WXQ300 Series support?
The page lists models from 0.75kW to 11kW.
Q3: What is the output frequency range of this VFD?
The output frequency range is 0ā600Hz.
Q4: Does this inverter support vector control?
Yes. It uses sensorless vector control with optimized low-frequency dead-zone compensation.
Q5: Does it support communication and external control?
Yes. The page states it supports 485 communication, control terminal reference, programmable digital inputs, analog input, analog output, and relay outputs.
Q6: What protection functions are included?
It includes over-current, over-voltage, under-voltage, over-heat, and overload protection.
Q7: Can this VFD be used for solar pumping systems?
Yes, it supports solar pumping applications with features like PID control and PV power tracking mode.
Q8: What is the benefit of using VFD in solar water pumping?
It improves energy efficiency, enables variable speed control, and optimizes water output based on available solar power.
Q9: Does this inverter support MPPT function?
Yes, it supports PV power tracking modes such as CVT and MPPT for solar applications.