INVT GD20-5R5G-2 3-Phase 220V Compact AC Drive

The INVT GD20-5R5G-2 3-Phase 220V Compact AC Drive is engineered for robust performance and exceptional efficiency in a wide range of industrial applications. This drive boasts a compact design, making it ideal for space-constrained environments, while delivering precise motor control and significant energy savings. Its core advantages include advanced V/f control, built-in EMC filtering, and a robust IGBT module for enhanced reliability. Key technical parameters include a rated power of 5.5 kW (7.5 HP), an input voltage of 3-phase 220V AC, and a frequency output range of 0-400 Hz. The GD20-5R5G-2 also features a maximum output current of 25A and an IP20 protection rating.

Product Specifications

| Feature           | Specification                                 |

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

| Model             | GD20-5R5G-2                                   |

| Rated Power       | 5.5 kW (7.5 HP)                               |

| Input Voltage     | 3-Phase 220V AC                               |

| Output Voltage    | 3-Phase 220V AC                               |

| Frequency Range   | 0-400 Hz                                      |

| Rated Output Current | 25A                                           |

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

| Protection Rating | IP20                                          |

| Dimensions (HxWxD) | 250mm x 150mm x 170mm                         |

| Mounting Type     | Wall Mounting                                 |

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

| Humidity          | <95% RH (non-condensing)                      |

Core Features & Market Positioning

The INVT GD20-5R5G-2 distinguishes itself in the competitive AC drive market through its emphasis on modular design and user-centric features. Its sensorless vector control algorithm offers excellent torque response and speed accuracy, rivaling more complex vector drives, making it a highly cost-effective solution for applications demanding precise motor performance without the need for encoder feedback. The integrated keypad with a multi-language display simplifies operation and parameter setting, reducing commissioning time. Furthermore, INVT's commitment to quality is evident in the robust construction and use of high-grade components, positioning the GD20 series as a reliable workhorse for demanding industrial environments. Its inherent ability to handle a wide range of motor types, including asynchronous and synchronous motors, enhances its versatility and broadens its market appeal.

Key Application Scenarios

The versatility of the INVT GD20-5R5G-2 3-Phase 220V Compact AC Drive makes it suitable for numerous industrial sectors. It is particularly effective in fan and pump applications, where its ability to precisely control speed leads to significant energy savings by matching motor output to system demand. In material handling systems, such as conveyors and automated guided vehicles, the drive provides the smooth acceleration and deceleration required for efficient product movement. Textile machinery, printing equipment, and packaging lines also benefit from the drive's accurate speed and torque regulation, ensuring consistent product quality and high throughput. Its compact form factor is advantageous for retrofitting older machinery or integrating into tight control panels where space is a premium.

Practical System Integration Guidance

Integrating the INVT GD20-5R5G-2 into an existing system is straightforward due to its well-defined terminal layout and comprehensive documentation. For power connections, ensure the incoming 3-phase 220V AC supply is connected to terminals L1, L2, and L3. The motor is connected to terminals T1, T2, and T3. For control circuits, utilize the digital inputs (DI1-DI6) for functions like start/stop, forward/reverse, and multi-speed selection, and the analog inputs (AI1, AI2) for speed reference or feedback. When wiring, use appropriately sized conductors and ensure all connections are secure to prevent intermittent operation or safety hazards. Parameter configuration via the keypad or optional communication modules allows for fine-tuning motor parameters, setting acceleration/deceleration times, and configuring protective functions to optimize performance for the specific application.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD20-5R5G-2 requires adherence to basic safety protocols and an understanding of its operational parameters. Always ensure the drive is powered off and de-energized before making any wiring changes. During operation, monitor motor temperature and drive status via the display to prevent overheating. Common troubleshooting can often be resolved by checking parameter settings or motor connections. For instance, if the drive trips on an overcurrent fault (F001), verify that the motor's rated current is correctly set in the drive parameters and that the motor is not overloaded or jammed. Other critical faults, such as overvoltage (F004) or undervoltage (F005), typically indicate issues with the input power supply or braking resistor configuration if used.

Scalability & Long-Term Value

The INVT GD20-5R5G-2 offers considerable scalability and long-term value, particularly through its compatibility with various communication protocols. Integration with industrial networks like Modbus RTU via an optional communication card allows seamless data exchange with PLCs and SCADA systems, facilitating remote monitoring, control, and diagnostics. This capability is crucial for modern IIoT (Industrial Internet of Things) strategies, enabling predictive maintenance and process optimization. The drive's robust design and INVT's commitment to product development ensure that it remains a relevant and reliable component in evolving industrial automation landscapes, providing a solid foundation for future upgrades and system expansions.

Frequently Asked Questions

What are the primary benefits of using the INVT GD20-5R5G-2?

The INVT GD20-5R5G-2 offers significant energy savings by precisely controlling motor speed to match load requirements. Its compact design minimizes installation space, crucial for panel builders and retrofits. The drive provides accurate motor control, enhancing process efficiency and product quality across various applications.

This AC drive features advanced protection mechanisms, safeguarding both the motor and the drive itself from common electrical faults. It supports multiple control modes, including V/f and sensorless vector control, allowing for optimized performance tailored to specific motor types and operational demands. The user-friendly interface simplifies setup and operation.

Its robust construction ensures reliable operation in industrial environments, and its compatibility with optional communication cards allows for easy integration into networked control systems. This makes it a versatile and cost-effective solution for many automation tasks.

How is the INVT GD20-5R5G-2 typically installed and wired?

Installation involves mounting the drive securely, typically on a DIN rail or wall, ensuring adequate ventilation around the unit. Power wiring requires connecting the incoming 3-phase 220V AC supply to terminals L1, L2, and L3, and the motor leads to T1, T2, and T3. Use appropriately rated conductors for all power connections.

Control wiring utilizes the digital inputs (DI) for external commands like start/stop or multi-speed selection, and analog inputs (AI) for speed references, often from a potentiometer or PLC analog output. Grounding the drive and motor properly is critical for safety and noise reduction. Always consult the manual for specific terminal functions and wiring diagrams.

Proper commissioning includes setting motor parameters such as rated voltage, current, frequency, and pole numbers. Default parameters can be used for basic operation, but fine-tuning these values ensures optimal performance, motor protection, and energy efficiency.

What are common applications for the GD20-5R5G-2 AC drive?

This compact AC drive is widely used in fan and pump control systems for HVAC, water treatment, and irrigation. Its ability to vary speed reduces energy consumption significantly compared to fixed-speed systems.

It is also ideal for material handling equipment like conveyors, elevators, and packaging machines, providing smooth acceleration and precise speed control. This enhances operational efficiency and reduces mechanical stress on equipment.

Other applications include machine tools, textile machinery, and general industrial automation where variable speed or precise torque control is required. Its versatility makes it a popular choice for diverse industrial needs.