INVT GD20-1R5G-2 Three-Phase Frequency Drive VFD
The INVT GD20-1R5G-2 Three-Phase Frequency Drive VFD stands as a robust and intelligent solution for precise motor control across a myriad of industrial applications. This Variable Frequency Drive (VFD) excels with its advanced vector control technology, delivering exceptional performance, high torque at low speeds, and superior dynamic response. Key advantages include its compact design, high-efficiency operation, and a comprehensive suite of protection features that ensure reliability and longevity. The GD20-1R5G-2 boasts a rated power of 1.5kW, an input voltage range of 380-440V, and a maximum output frequency of 400Hz, making it a versatile choice for demanding industrial environments. Its sophisticated control algorithms and user-friendly interface streamline integration and operation, solidifying its position as a leading choice for modern automation challenges.
Product Specifications
| Feature | Specification |
| :------------------- | :-------------------------------------------- |
| Model | GD20-1R5G-2 |
| Rated Power | 1.5 kW |
| Input Voltage | 380-440V (Three-Phase) |
| Output Voltage | 380-440V (Three-Phase) |
| Rated Output Current | 3.4 A |
| Max. Output Frequency| 400 Hz |
| Control Mode | Sensorless Vector Control, V/f Control |
| Protection Level | IP20 |
| Ambient Temperature | -10°C to 40°C |
| Installation Method | Wall-mounted or cabinet installation |
Core Features & Market Positioning
The INVT GD20-1R5G-2 distinguishes itself through its advanced sensorless vector control, enabling precise speed and torque regulation without the need for motor encoders. This feature significantly reduces system complexity and cost, a key differentiator in the competitive VFD market. Its robust design incorporates enhanced thermal management, allowing for reliable operation in challenging ambient conditions. Furthermore, the drive offers exceptional overload capacity, providing up to 150% of rated torque for 60 seconds, crucial for applications with high starting torque requirements. INVT's commitment to innovation is evident in the GD20 series' focus on energy efficiency, helping users reduce operational costs and meet environmental regulations.
Key Application Scenarios
This three-phase frequency drive is ideally suited for a wide range of industrial automation tasks. Its precise control capabilities make it a premier choice for pumps and fans, where variable speed operation leads to significant energy savings and extended equipment life. In the manufacturing sector, the INVT GD20-1R5G-2 is instrumental in driving conveyors, mixers, and extruders, ensuring consistent product quality and process efficiency. Its ability to handle dynamic load changes also makes it suitable for machine tool applications, providing smooth acceleration and deceleration for precision machining operations. The drive's versatility extends to HVAC systems, textile machinery, and packaging equipment, where optimized motor performance is critical.
Practical System Integration Guidance
Integrating the INVT GD20-1R5G-2 into existing systems is streamlined due to its flexible configuration options and clear terminal layout. For wiring, ensure all power connections are made according to local electrical codes and the drive's manual, paying close attention to grounding and phase sequencing to prevent damage. The drive supports multiple control methods, including digital inputs for start/stop and speed selection, analog inputs for speed reference, and serial communication via Modbus RTU for advanced parameterization and monitoring. Programming the VFD involves setting parameters related to motor data, acceleration/deceleration times, and desired control modes. For instance, configuring for sensorless vector control requires accurately inputting motor nameplate information such as rated voltage, current, frequency, and pole numbers. Initial commissioning should always involve a low-speed test run before applying full load.
Operation and Risk Mitigation
Safe operation of the INVT GD20-1R5G-2 VFD is paramount. Always ensure the drive is properly grounded and that all connections are secure before powering up. Avoid operating the drive in environments exceeding its specified temperature range or with excessive dust and humidity to prevent overheating and component failure. During maintenance or troubleshooting, always disconnect the main power supply and allow the internal DC bus capacitors to discharge fully, as indicated by the drive's status indicators. Common fault codes, such as E.OC (Overcurrent), E.OV (Overvoltage), and E.OL (Overload), typically indicate issues with the motor, load, or drive parameters. Referencing the user manual for specific fault code explanations and troubleshooting steps is crucial for minimizing downtime and ensuring safe resolution.
Scalability & Long-Term Value
The INVT GD20-1R5G-2 offers significant long-term value through its compatibility with various industrial control platforms and its potential for integration with Industrial Internet of Things (IIoT) solutions. Its built-in Modbus communication protocol facilitates seamless integration into SCADA systems and PLCs, enabling centralized monitoring and control. The drive's modular design and comprehensive parameter set allow for future upgrades and adjustments as application requirements evolve. For businesses looking to embrace digital transformation, the GD20 series can be a foundational component, providing the intelligent motor control necessary for smart manufacturing initiatives, predictive maintenance, and enhanced operational efficiency across a facility.
Frequently Asked Questions
What is the primary function of the INVT GD20-1R5G-2 VFD?
The INVT GD20-1R5G-2 VFD's main role is to precisely control the speed and torque of three-phase induction motors. It achieves this by adjusting the frequency and voltage supplied to the motor. This allows for optimal performance in applications requiring variable speed operation.
This drive offers significant energy savings by matching motor speed to the actual load demand. It also provides advanced motor protection features, extending equipment lifespan. The drive enhances process control accuracy and reduces mechanical stress on machinery.
Key technical benefits include advanced sensorless vector control for dynamic performance and a wide operating frequency range up to 400Hz. Its robust design ensures reliability in industrial settings, making it suitable for demanding applications.
How does the sensorless vector control of the GD20-1R5G-2 benefit industrial applications?
Sensorless vector control enables high-precision motor speed and torque regulation without requiring a motor encoder. This simplifies installation and reduces system costs, as no additional feedback device is needed. It provides excellent dynamic response and stable operation even at low speeds.
This advanced control algorithm allows the drive to quickly respond to changes in load torque. It maintains the desired motor speed accurately, which is critical for applications like conveyors, CNC machines, and pumps. The performance is comparable to closed-loop systems in many scenarios.
The GD20-1R5G-2's sensorless vector control is particularly advantageous for environments where encoder reliability might be a concern. It ensures consistent and predictable motor behavior, leading to improved product quality and process efficiency.
What are the typical error codes for the INVT GD20-1R5G-2 and how can they be resolved?
Common error codes include E.OC (Overcurrent) and E.OV (Overvoltage), which signal excessive current draw or voltage surges. E.OL (Overload) indicates the motor is drawing more current than the drive is rated for. These can stem from sudden load increases, short circuits, or improper parameter settings.
Resolving these codes involves checking for mechanical issues causing excessive load, verifying correct motor data is programmed into the VFD, and ensuring the power supply is stable. For overcurrent faults, a slower acceleration ramp or a higher rated drive might be necessary.
Always consult the INVT GD20-1R5G-2 user manual for a complete list of fault codes and their specific troubleshooting procedures. Safe practices, such as powering down the unit before inspection, are essential when addressing these errors.
