INVT GD20-2R2G-S2 Single-Phase Motor VFD Drive

The INVT GD20-2R2G-S2 Single-Phase Motor VFD Drive is engineered for precision motor control in a demanding industrial landscape, offering users a powerful combination of efficiency, reliability, and advanced functionality. This Variable Frequency Drive (VFD) stands out with its ability to deliver precise speed regulation, enhanced torque control, and robust protection for single-phase motors up to 2.2kW (3HP). Key advantages include its compact design, ease of integration, and sophisticated control algorithms that optimize motor performance and energy consumption. Technical specifications highlight a wide input voltage range of 200-240V, a rated output capacity of 2.2kW, and a maximum output frequency of 400Hz, making it adaptable to a diverse array of motor applications. The GD20-2R2G-S2 also boasts an impressive overload capacity of 150% for 60 seconds, ensuring operational stability under demanding load conditions.

Product Specifications

| Parameter                  | Specification                        |

| :------------------------- | :----------------------------------- |

| Model                      | GD20-2R2G-S2                         |

| Input Voltage              | Single Phase 200-240V, 50/60Hz       |

| Output Voltage             | Single Phase 200-240V                |

| Rated Power                | 2.2 kW (3 HP)                        |

| Rated Current              | 10.0 A                               |

| Output Frequency Range     | 0.00-400.00 Hz                       |

| Control Method             | V/f Control, Vector Control          |

| Overload Capacity          | 150% of rated current for 60s        |

| Protection Level           | IP20                                 |

| Dimensions (W x H x D)     | 160 x 135 x 130 mm                   |

| Operating Temperature      | -10°C to +40°C                       |

| Communication Options      | RS485 (Optional)                     |

Core Features & Market Positioning

The INVT GD20-2R2G-S2 distinguishes itself through its advanced dual-core processing architecture, which enables rapid response times and sophisticated control algorithms, including both V/f control and sensorless vector control. This dual control capability allows for superior speed accuracy and torque performance, crucial for applications demanding precise motion. Its market positioning is firmly rooted in providing high-value, reliable motor control solutions for small to medium-sized enterprises (SMEs) and specific industrial segments where single-phase motor efficiency and longevity are paramount. The drive’s inherent compact design and modularity facilitate seamless integration into existing control panels and machinery, reducing installation complexity and footprint requirements. Furthermore, its robust protection features, such as comprehensive overcurrent, overvoltage, undervoltage, and overheat protection, significantly enhance operational safety and reduce the risk of equipment damage, positioning it as a dependable choice for critical industrial processes.

Key Application Scenarios

The INVT GD20-2R2G-S2 finds its most effective applications in areas requiring variable speed and torque control for single-phase motors. This includes powering pumps and fans in HVAC systems, where precise flow and pressure management can lead to substantial energy savings. The drive is also highly suitable for conveyor belt systems in manufacturing and logistics, enabling smooth acceleration and deceleration to prevent product damage and optimize throughput. Other common use cases involve woodworking machinery, textile equipment, and packaging machines, where consistent motor speed and torque are essential for maintaining product quality and operational efficiency. Its ability to handle varying loads effectively makes it an ideal solution for applications where motor performance needs to adapt to changing process demands.

Practical System Integration Guidance

Integrating the INVT GD20-2R2G-S2 into existing systems is streamlined due to its user-friendly design and comprehensive documentation. Wiring connections should strictly follow the diagram provided in the user manual, ensuring correct termination of power, motor, and control signals to prevent operational faults or damage. For optimal performance, motor parameters such as rated voltage, current, and frequency should be accurately input during the commissioning phase. The drive supports both digital and analog input for control signals, allowing flexible integration with PLCs, manual potentiometers, or other control devices. Programming is facilitated through an intuitive keypad interface or optional communication ports, enabling users to configure speed references, acceleration/deceleration times, and protection settings to match specific application requirements.

Operation and Risk Mitigation

Safe operation of the INVT GD20-2R2G-S2 mandates adherence to electrical safety standards and proper installation procedures. Before energizing the drive, ensure all wiring is secure and that the input power matches the drive's specifications to avoid electrical hazards. During operation, it is crucial to monitor motor temperature and drive performance to prevent overheating or overload conditions. Common troubleshooting involves checking error codes displayed on the drive's interface; for instance, an "OC" (Overcurrent) fault typically indicates an overload condition or a motor issue, while an "OV" (Overvoltage) fault suggests excessive input voltage. Implementing appropriate load balancing and ensuring adequate ventilation around the VFD are critical steps in mitigating operational risks and extending the product's lifespan.

Scalability & Long-Term Value

The INVT GD20-2R2G-S2 offers a degree of scalability through its compatibility with a range of peripheral devices and communication protocols, facilitating integration into more complex automated systems. Its RS485 communication interface, when equipped, enables seamless connectivity with SCADA systems or PLCs for remote monitoring and control, aligning with Industrial Internet of Things (IIoT) trends. While the GD20 series is designed for robust performance, INVT also offers higher-tier VFDs for applications requiring more advanced features or higher power ratings, providing an upgrade path for evolving industrial needs. This ensures that users can maintain a consistent control strategy across their operations, leveraging INVT's technological advancements for long-term operational efficiency and competitive advantage.

Frequently Asked Questions

What are the main benefits of using the INVT GD20-2R2G-S2?

The INVT GD20-2R2G-S2 enhances motor efficiency significantly, reducing energy costs for single-phase motors. Its precise speed and torque control improve process accuracy and product quality in various industrial applications. The drive also offers robust protection features, minimizing downtime and extending motor lifespan.

This VFD provides advanced control algorithms like V/f and sensorless vector control for optimal motor performance under varying loads. Its compact, user-friendly design simplifies installation and integration into existing machinery and control panels. The drive's reliability and durability are key advantages for demanding industrial environments.

Furthermore, the INVT GD20-2R2G-S2 offers excellent overload capacity and comprehensive fault protection, safeguarding equipment and ensuring continuous operation. This combination of features delivers a high return on investment through energy savings, reduced maintenance, and improved productivity.

How do I wire the INVT GD20-2R2G-S2 for a single-phase motor?

Refer to the GD20-2R2G-S2 user manual for precise wiring diagrams specific to your motor configuration. Ensure the power supply is disconnected before commencing any wiring to prevent electrical shock. Properly connect the single-phase input power terminals (L, N) and the motor output terminals (U, V, W) to the corresponding motor leads.

Double-check all connections for tightness and correct polarity. Incorrect wiring can lead to drive malfunction, motor damage, or safety hazards. Pay close attention to grounding connections for both the drive and the motor to ensure effective protection against electrical surges.

For control signal wiring, such as start/stop commands or speed reference inputs, consult the manual's terminal block layout. Ensure these connections are made according to the desired control method (e.g., digital inputs, analog inputs) and that signal integrity is maintained.

What are the typical applications for the INVT GD20-2R2G-S2?

This VFD is ideal for controlling single-phase motors in pump and fan applications, optimizing flow and pressure for HVAC and water supply systems. Its precise control is beneficial for conveyor belts in manufacturing and logistics, ensuring smooth material handling.

The INVT GD20-2R2G-S2 is well-suited for woodworking machinery, textile production equipment, and packaging machines where consistent motor speed and torque are critical for operational quality. It can also be used in general industrial automation to provide variable speed control for various single-phase motor-driven loads.

Its ability to adapt to varying load conditions and its robust performance make it a versatile solution for diverse industrial needs. By providing efficient and reliable motor control, it contributes to increased productivity and reduced operational costs across these sectors.

What technical specifications should I prioritize when selecting this VFD?

Prioritize the input voltage range (200-240V single-phase) to match your available power supply and ensure compatibility. Verify the rated power (2.2kW / 3HP) and rated current (10.0A) to match your single-phase motor's requirements for optimal performance and longevity.

Consider the output frequency range (0.00-400.00 Hz) to ensure it meets the speed control needs of your application. The overload capacity (150% for 60s) is crucial for applications with high starting torque demands or temporary load surges.

Also, pay attention to the environmental specifications, such as the IP rating (IP20) and operating temperature range (-10°C to +40°C), to ensure the drive can withstand the conditions of your installation environment and operates reliably.

Can the INVT GD20-2R2G-S2 control motor speed accurately?

Yes, the INVT GD20-2R2G-S2 offers precise motor speed control through advanced V/f and sensorless vector control algorithms. These methods allow for accurate speed regulation even under fluctuating load conditions.

The drive enables fine-tuning of speed references and response times, ensuring the motor operates at the exact speed required by the application. This accuracy is vital for processes demanding consistent performance, such as in manufacturing or material handling.

With its wide output frequency range and sophisticated control loops, the GD20-2R2G-S2 provides stable and repeatable speed performance, enhancing overall process efficiency and product quality.

What are the key protection features of the GD20-2R2G-S2?

The GD20-2R2G-S2 includes comprehensive protection against overcurrent, overvoltage, and undervoltage conditions to safeguard both the drive and the motor. It also provides robust thermal protection to prevent overheating, ensuring operational safety and longevity.

Additional protection mechanisms include motor overload protection, which monitors motor current and temperature to prevent damage from excessive loads. It also features safeguards against short circuits and ground faults, further enhancing system reliability and user safety.

These integrated protection features are critical for minimizing unexpected shutdowns, reducing maintenance costs, and ensuring the reliable operation of single-phase motor systems in demanding industrial environments.

How is the GD20-2R2G-S2 programmed and commissioned?

Programming is typically done via the drive's intuitive built-in keypad and display interface, allowing for easy parameter setting and monitoring of operational status. Alternatively, users can opt for PC-based software for more advanced configuration and parameter management.

Commissioning involves carefully setting motor-specific parameters, such as rated voltage, current, frequency, and RPM, as detailed in the user manual. Proper configuration ensures optimal motor performance and efficient operation of the VFD.

The drive also supports various control modes and parameter groups, which can be accessed and adjusted during commissioning to tailor its behavior to the specific requirements of the application, including speed reference settings and acceleration/deceleration profiles.

What is the overload capacity of this VFD?

The INVT GD20-2R2G-S2 boasts an impressive overload capacity of 150% of its rated current for a duration of 60 seconds. This capability is essential for applications that require high starting torque or experience temporary load spikes.

This robust overload handling ensures that the drive can reliably start and run motors under demanding conditions without tripping protective measures prematurely. It provides the necessary power reserve to overcome inertia and accelerate loads smoothly.

The 150% overload capacity for 60 seconds makes the GD20-2R2G-S2 suitable for a wide range of industrial applications, including those with frequent start-stop cycles or applications that intermittently operate at peak load.

What communication protocols does the GD20-2R2G-S2 support?

The standard configuration of the INVT GD20-2R2G-S2 includes a built-in RS485 communication port. This enables seamless integration into industrial networks and facilitates remote monitoring and control of the drive.

Using the RS485 interface, the drive can communicate with PLCs, SCADA systems, and other host controllers, allowing for centralized management of multiple VFDs and automated processes. This supports the adoption of IIoT principles in industrial settings.

This communication capability enhances operational flexibility, enabling real-time data acquisition, parameter adjustments, and diagnostics from a remote location, thereby improving overall system efficiency and maintenance capabilities.

How compact is the INVT GD20-2R2G-S2 VFD?

The INVT GD20-2R2G-S2 features a highly compact physical design, with dimensions of 160 x 135 x 130 mm (W x H x D). This space-saving form factor is a significant advantage in control panel construction and machinery integration.

Its reduced size allows for easier installation in enclosures with limited space, making it a practical choice for retrofitting existing equipment or designing new, streamlined machinery. The compact nature simplifies panel layout and reduces overall system footprint.

The efficient internal design of the GD20-2R2G-S2 contributes to its small volume without compromising its performance or reliability, making it an ideal solution where space is a critical constraint.