INVT GD200A-045G/055P-4 General Purpose Fan & Pump Inverter

The INVT GD200A-045G/055P-4 General Purpose Fan & Pump Inverter is a robust, high-performance variable frequency drive (VFD) engineered to optimize energy efficiency and operational control for centrifugal fan and pump applications. Its core advantages lie in its advanced vector control, exceptional reliability, and user-friendly interface, making it a superior choice for demanding industrial environments. Key technical parameters include a power rating of 45kW (045G) or 55kW (055P), an input voltage range of 380V-480V AC (three-phase), and output frequency capabilities up to 400Hz. The GD200A series is designed for seamless integration and delivers significant energy savings, reducing operating costs and extending equipment lifespan.

Product Specifications

| Parameter              | Value                                  |

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

| Model                  | GD200A-045G/055P-4                     |

| Rated Power            | 45kW (GD200A-045G) / 55kW (GD200A-055P) |

| Input Voltage          | 380-480V AC (3-Phase)                  |

| Output Frequency Range | 0-400Hz                                |

| Control Method         | V/f, Vector Control                    |

| Protection Level       | IP20                                   |

| Mounting               | Wall/Panel Mount                       |

| Ambient Temperature    | -10°C to 45°C                          |

Core Features & Market Positioning

The INVT GD200A-045G/055P-4 distinguishes itself through its sophisticated sensorless vector control algorithm, which provides precise speed and torque regulation even under varying load conditions, a critical advantage for fan and pump systems requiring stable performance. This advanced control strategy minimizes motor slip, leading to enhanced efficiency and reduced mechanical stress on equipment. Furthermore, the inverter boasts a high overload capacity, capable of handling up to 150% of its rated current for 60 seconds, ensuring robust operation during transient load demands. Its market positioning is firmly established as a premium, yet cost-effective solution for applications demanding superior energy savings, reliable operation, and intelligent control, directly competing with established global VFD manufacturers by offering comparable or superior technical capabilities at a competitive price point.

Key Application Scenarios

This general-purpose fan and pump inverter is ideally suited for a wide array of applications where precise flow and pressure control are paramount, contributing to significant energy conservation. It is extensively utilized in HVAC systems for commercial buildings, industrial ventilation, and process cooling towers, where its ability to modulate fan speed based on demand drastically reduces power consumption. In water supply systems, the GD200A-045G/055P-4 enables constant pressure operation, eliminating the need for traditional pressure tanks and complex control circuits, making it perfect for municipal water treatment plants and building water boosting. Its robust design also lends itself to demanding applications in the oil and gas sector, chemical processing, and manufacturing for driving various types of pumps and fans in critical operations.

Practical System Integration Guidance

Integrating the INVT GD200A-045G/055P-4 into existing industrial systems is streamlined by its flexible communication options and straightforward wiring protocols. For optimal performance, it is recommended to use shielded motor cables and ensure proper grounding to minimize electromagnetic interference (EMI). The inverter's parameter settings can be configured via the intuitive keypad or remotely using communication protocols such as Modbus RTU, allowing for seamless integration into SCADA and DCS systems. For pump applications, specific parameters related to water hammer suppression and dry-run protection should be carefully adjusted during commissioning to ensure system integrity and prevent damage.

Operation and Risk Mitigation

Safe operation of the INVT GD200A-045G/055P-4 requires adherence to electrical safety standards and proper environmental considerations. Ensure the inverter is installed in a well-ventilated area, away from flammable materials, and within its specified ambient temperature range to prevent overheating. Common troubleshooting often involves checking for parameter misconfigurations or power supply issues. Critical fault codes, such as E.OC (Overcurrent) or E.OV (Overvoltage), typically indicate motor or load-side issues, or supply network anomalies, respectively, and necessitate a thorough inspection of the connected equipment and wiring. Regular maintenance, including cleaning air filters and verifying terminal connections, is crucial for long-term reliability.

Scalability & Long-Term Value

The INVT GD200A-045G/055P-4 offers substantial long-term value through its inherent scalability and compatibility with emerging industrial automation trends. Its modular design and support for standard communication protocols facilitate integration into larger distributed control systems and IIoT platforms, enabling advanced data analytics and predictive maintenance strategies. The ability to upgrade firmware remotely ensures that the inverter can benefit from ongoing technological advancements and feature enhancements without requiring hardware replacement. This forward-compatibility, combined with its robust construction and energy-saving capabilities, positions the GD200A series as a sound investment for future-proofing industrial operations and maximizing return on investment.

Frequently Asked Questions (FAQs)

1. What are the primary benefits of using the INVT GD200A-045G/055P-4 for fan and pump applications?

This inverter offers significant energy savings by precisely controlling motor speed to match demand, reducing electricity consumption. It enhances operational stability and reduces mechanical stress on equipment through advanced control algorithms. The robust design ensures high reliability and longevity, minimizing downtime and maintenance costs.

2. Can the INVT GD200A-045G/055P-4 be used with different types of motors?

Yes, it supports both V/f control and sensorless vector control for a wide range of AC induction motors. The flexible control modes allow optimization for various motor characteristics and load types. Ensure the motor's specifications are within the inverter's rated capacity for optimal performance.

3. What is the typical power range and input voltage for this inverter series?

The GD200A series, including this model, typically ranges from 0.75kW up to 630kW. Specifically, the 045G variant is 45kW, and the 055P variant is 55kW. The input voltage range for this particular model is 380-480V AC, three-phase.

4. How does the sensorless vector control of the GD200A-045G/055P-4 improve performance?

Sensorless vector control provides accurate speed and torque regulation without needing a motor encoder. This results in better dynamic response and higher efficiency, especially under varying load conditions. It's ideal for applications where precise flow or pressure control is critical.

5. What are the key features for protecting the connected pump or fan system?

The inverter includes built-in protection functions like overload, overvoltage, and undervoltage protection. It also offers specific features for pump applications such as dry-run detection and water hammer suppression. These features help prevent damage and extend the lifespan of connected equipment.

6. Is it possible to integrate the INVT GD200A-045G/055P-4 into a centralized control system?

Yes, the inverter supports standard communication protocols like Modbus RTU for easy integration. This allows for remote monitoring, control, and parameter adjustment from a PLC or SCADA system. This connectivity is essential for modern industrial automation.

7. What are the environmental requirements for installing this inverter?

The inverter should be installed in a clean, dry, and well-ventilated area. It should be kept away from direct sunlight, corrosive gases, and excessive dust. Maintain an ambient temperature between -10°C and 45°C for optimal operation.

8. How does the GD200A-045G/055P-4 contribute to energy efficiency in fan and pump systems?

By matching motor speed to the actual system demand, it significantly reduces energy consumption compared to fixed-speed operation. This variable speed control can lead to energy savings of up to 50% or more in many applications. Reduced energy use also lowers operational costs and the carbon footprint.

9. What kind of troubleshooting can be done for common fault codes?

Common faults like E.OC (Overcurrent) often indicate motor or load issues. E.OV (Overvoltage) faults might suggest input power supply problems or rapid deceleration. Always consult the user manual for a comprehensive list of fault codes and their specific resolutions.

10. What is the typical lifespan and maintenance schedule for this inverter?

With proper installation and operation within specified limits, the inverter is designed for a long operational life. Regular maintenance includes cleaning air filters, checking terminal connections, and verifying cooling fan operation. Annual inspections are generally recommended for critical applications.