Principle of Work
V/F Control Transducer
Voltage of Power Supply
Low Voltage Variable-Frequency Drive
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Current Variable-Frequency Drive
Function
Simple Type, Elevator Special, Textile Special, Constant Torque Universal Type
Production Capacity
1000PCS/Year
Product Description
The GD270-5R5-4 Fan Pump VFD Frequency Converter Unit is a high-performance industrial control product designed to optimize motor performance and energy efficiency. Engineered specifically for fan and pump applications, it offers advanced control capabilities, exceptional energy savings, and robust reliability.
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Precision Control
Sophisticated V/F and sensorless vector control (SVC) algorithms for accurate speed regulation.
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ECO Energy Saving
Integrated technology optimizes output voltage in real-time based on load demand.
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Robust Protection
Built-in guards against overcurrent, overvoltage, undervoltage, and phase loss.
Technical Specifications
| Feature |
Specification |
| Model | GD270-5R5-4 |
| Power Rating | 5.5 kW / 7.5 HP |
| Input Voltage | 3-Phase, 380-480V AC |
| Output Voltage | 0-480V AC |
| Output Current | 13 A |
| Output Frequency | 0-400 Hz |
| Control Mode | V/F Control, Sensorless Vector Control (SVC) |
| Overload Capacity | 110% of rated current for 1 min |
| Enclosure Rating | IP20 |
Industrial Application Scenarios
- Water Treatment: Optimization for consistent water supply and wastewater management.
- HVAC Systems: Precise control for ventilation, heating, and air conditioning.
- Chemical Industries: Reliable speed control in harsh processing environments.
- Building Automation: Seamless integration for fluid transfer and air circulation.
Usage Instructions & Precautions
Installation: Mount on walls or in control cabinets with adequate ventilation. Proper grounding is mandatory for safety.
Operation: Use the keypad interface for parameter settings. Utilize built-in application macros for faster setup.
Precautions: Always disconnect power before wiring. Derate output capacity if ambient temperature exceeds 40°C.
Frequently Asked Questions
❓ What are the primary applications for the GD270-5R5-4?
It is specifically designed for fan and pump applications, including wastewater treatment, HVAC, municipal water supply, and chemical processing systems.
❓ How does this VFD achieve energy savings?
It utilizes an ECO energy-saving algorithm that adjusts output voltage based on real-time motor load, minimizing waste during partial load conditions.
❓ What types of motors can it control?
The unit is versatile and can control both asynchronous induction motors and permanent magnet synchronous motors.
❓ Does it support industrial communication protocols?
Yes, it supports Modbus RTU, Profibus-DP, Profinet, CANopen, and Ethernet/IP through optional expansion cards.
❓ What is the overload capacity of this model?
The GD270-5R5-4 can handle an overload of 110% of its rated current for up to one minute, ensuring stability during peak loads.
❓ What safety features are integrated?
Specific models include a Safe Torque Off (STO) function compliant with SIL3 standards, providing reliable disconnection in emergencies.