INVT GD200A-450G-4 VFD Frequency Inverter

The INVT GD200A-450G-4 VFD Frequency Inverter stands as a robust and versatile solution for industrial motor control, engineered to deliver superior performance and energy efficiency across a wide spectrum of applications. This advanced variable frequency drive (VFD) is built upon INVT's commitment to technological innovation, offering precise speed regulation, enhanced torque control, and comprehensive protection features. With a rated power of 45 kW and designed for a 400V input, the GD200A-450G-4 is a powerful workhorse, ideal for demanding industrial environments. Its key advantages include exceptional dynamic performance, user-friendly operation, and a compact, space-saving design. Critical technical parameters include an output frequency range of 0-3000 Hz, multiple control modes such as V/f, sensorless vector, and closed-loop vector control, and an impressive overload capacity of 150% for 60 seconds.

Product Specifications

| Parameter               | Specification                                 |

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

| Model                   | GD200A-450G-4                                 |

| Rated Power             | 45 kW (60 HP)                                 |

| Input Voltage           | 3-Phase, 380V-460V AC                         |

| Output Voltage          | 0-100% of Input Voltage                       |

| Output Frequency        | 0-3000 Hz                                     |

| Control Method          | V/F Control, Sensorless Vector Control, Closed-loop Vector Control |

| Overload Capacity       | 150% of Rated Current for 60 seconds          |

| Protection Features     | Over-voltage, Under-voltage, Overcurrent, Overload, Overheating, Phase Loss, etc. |

| Communication Options   | RS485 (Modbus), Optional fieldbus modules     |

| Operating Temperature   | -10°C to 40°C (derating above 40°C)            |

| Dimensions (H x W x D)  | 560mm x 300mm x 267mm                         |

Core Features & Market Positioning

The INVT GD200A-450G-4 distinguishes itself through its advanced control algorithms, particularly its sensorless vector control, which provides excellent torque response and precise speed holding even under fluctuating loads. This capability positions it as a superior choice for applications requiring dynamic performance without the added cost and complexity of encoder feedback. The drive's robust design, featuring advanced heat dissipation and industrial-grade components, ensures reliable operation in harsh environments, making it a dependable asset for process industries. Its market positioning is further solidified by its competitive price point relative to its feature set and performance capabilities, offering significant value to businesses seeking efficient and reliable motor control.

Key Application Scenarios

This VFD is exceptionally well-suited for a variety of demanding industrial applications where precise motor control and energy savings are paramount. It excels in driving pumps and fans, especially in HVAC systems, water treatment plants, and industrial ventilation, where modulating flow and pressure through speed control significantly reduces energy consumption. The GD200A-450G-4 is also an excellent choice for conveyor systems in manufacturing and logistics, providing smooth acceleration and deceleration to protect products and improve operational efficiency. Its robust torque control makes it suitable for extruders, mixers, and other machinery requiring consistent power delivery under varying conditions.

Practical System Integration Guidance

Integrating the INVT GD200A-450G-4 into existing systems is streamlined by its flexible configuration options and standard communication protocols. For wiring, ensure proper grounding and connection of power supply and motor leads according to the terminal diagram. When programming, the drive supports the Modbus RTU protocol via its RS485 interface, allowing seamless integration with SCADA systems and PLCs for remote monitoring and control. Basic commissioning involves setting motor parameters, selecting the appropriate control mode (e.g., sensorless vector for most applications), and defining acceleration/deceleration times. Advanced setup can involve PID control loop configuration for precise process automation.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD200A-450G-4 hinges on adherence to installation guidelines and understanding its protective functions. Always ensure the drive is installed in a well-ventilated area, away from direct sunlight and corrosive substances. Critical error codes, such as E.01 (Overcurrent) or E.03 (Overload), typically indicate issues with motor load, wiring, or incorrect parameter settings. Troubleshooting often involves checking motor connections, verifying motor nameplate data against drive parameters, and inspecting for mechanical obstructions. Implementing appropriate braking resistors can mitigate risk in applications with high inertia loads that require rapid deceleration, preventing over-voltage faults.

Scalability & Long-Term Value

The INVT GD200A-450G-4 offers significant long-term value through its scalability and compatibility. Its modular design and support for various communication protocols allow for easy integration into larger automated systems and IIoT platforms, enabling advanced data analytics and predictive maintenance. The availability of optional expansion cards for various fieldbus networks further enhances its adaptability to evolving industrial automation standards. By providing precise motor control and energy efficiency, the GD200A-450G-4 contributes to reduced operational costs and extended equipment lifespan, making it a sound investment for businesses looking to optimize their industrial processes.

FAQs

1. What is the primary function of the INVT GD200A-450G-4 VFD?

This VFD controls the speed of AC motors by adjusting the frequency of the power supplied. It allows for precise speed regulation and torque control.

It helps reduce energy consumption in applications like pumps and fans by optimizing motor speed. The drive offers multiple control modes for various industrial needs.

This inverter provides comprehensive protection features for motors and itself, enhancing system reliability and longevity. It's designed for demanding industrial environments.

2. How do I perform basic setup for the INVT GD200A-450G-4?

Begin by wiring the motor and power supply correctly according to the manual. Ensure all connections are secure and properly grounded.

Next, input the motor's nameplate specifications into the VFD's parameters. This includes voltage, current, frequency, and RPM.

Finally, select the appropriate control mode, such as sensorless vector, and set basic operating parameters like acceleration/deceleration times.

3. What are common error codes for this VFD and how to resolve them?

An E.01 error typically indicates an overcurrent fault. Check motor load, wiring, and ensure acceleration times are not too short.

An E.03 error signifies an overload condition. Verify the motor is not exceeding its rated capacity and that the drive's overload settings are correctly configured.

Other common faults relate to under-voltage (E.04), over-voltage (E.05), or phase loss. Investigate the power supply quality and motor phase integrity.

4. Can the GD200A-450G-4 be integrated with PLCs or SCADA systems?

Yes, the VFD supports the Modbus RTU communication protocol via its RS485 port. This is a standard for industrial automation.

This allows for seamless integration with PLCs for remote control, monitoring, and data acquisition. SCADA systems can also interface effectively.

Optional fieldbus modules can be added for compatibility with other industrial networks like Profibus or DeviceNet, further enhancing integration.

5. What are the benefits of using sensorless vector control on the GD200A-450G-4?

Sensorless vector control provides excellent dynamic performance and precise speed regulation without needing an encoder. This reduces system complexity and cost.

It offers superior torque response at low speeds compared to basic V/f control, making it suitable for applications with varying loads.

This mode is ideal for pumps, fans, and conveyors where precise speed holding and quick reaction to load changes are crucial for efficiency and stability.

6. How does this VFD contribute to energy savings?

By precisely matching motor speed to the actual load requirement, the VFD avoids running motors at full speed unnecessarily. This directly reduces power consumption.

For applications like variable torque loads (e.g., centrifugal pumps and fans), energy savings can be substantial, often exceeding 30-50%.

The VFD also incorporates features like automatic energy-saving modes and DC braking, further optimizing efficiency and reducing wasted energy.

7. What are the typical applications for the INVT GD200A-450G-4?

Common uses include driving pumps and fans in HVAC, water supply, and industrial ventilation systems. It's also used in textile machinery.

The VFD is excellent for conveyor belts, elevators, and escalators, providing smooth start/stop and speed control. Machine tools also benefit.

Other applications include extruders, mixers, centrifuges, and any industrial process requiring variable speed motor control for efficiency and process optimization.

8. Does the GD200A-450G-4 support braking resistors?

Yes, the INVT GD200A-450G-4 supports external braking resistors. These are crucial for dissipating excess energy during deceleration.

Braking resistors are essential for applications with high inertia loads or frequent stopping/reversing cycles. They prevent over-voltage conditions.

Proper selection and connection of a braking resistor ensure safe and effective deceleration, protecting the VFD and the motor.

9. What is the overload capacity of this VFD?

The GD200A-450G-4 features an impressive overload capacity. It can handle 150% of its rated current for up to 60 seconds.

This robust overload capability allows the VFD to manage temporary peak demands without tripping. It's vital for applications with starting surges.

This feature ensures reliable operation during transient load increases, common in many industrial machinery operations.

10. What are the warranty and support options for INVT VFDs?

INVT typically offers a standard warranty period for their VFD products, often around 18 months from the date of manufacture or 12 months from installation. Specific terms may vary.

Technical support is available through INVT's global network of distributors and service centers. They provide assistance with installation, troubleshooting, and parameterization.

Users can also access online resources, including manuals, datasheets, and application notes, which offer valuable information for optimal product utilization and maintenance.