INVT GD350A-2000G-4 High Performance VFD Drive

The INVT GD350A-2000G-4 High Performance VFD Drive stands as a robust solution for demanding industrial applications, offering exceptional control, energy efficiency, and reliability. This advanced variable frequency drive (VFD) boasts a powerful 2000kW rating and is engineered for superior performance in motor speed regulation across a wide spectrum of industrial machinery. Key advantages include its sophisticated vector control algorithms for precise torque and speed management, integrated advanced protection features, and a user-friendly interface designed for streamlined operation and diagnostics. The GD350A series excels in environments requiring high starting torque, dynamic response, and continuous operational stability.

Product Specifications

| Feature             | Specification                                |

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

| Model               | GD350A-2000G-4                               |

| Rated Power         | 2000kW (2700HP)                              |

| Input Voltage       | 3-phase, 380V-440V (or 690V-rated variants) |

| Output Frequency    | 0-400Hz (customizable up to 3000Hz)         |

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

| Overload Capacity   | 150% for 60s, 180% for 10s                   |

| Protection Features | Over-voltage, Under-voltage, Over-current, Overload, Overtemperature, etc. |

| Communication       | RS485 (Modbus RTU), optional fieldbuses      |

| Mounting            | Floor-standing                               |

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

Core Features & Market Positioning

The INVT GD350A-2000G-4 distinguishes itself in the high-power VFD market through its advanced field-oriented vector control technology, enabling precise motor performance characteristics that are crucial for complex industrial processes. Its robust design is built to withstand harsh industrial environments, offering superior thermal management and component longevity. The drive's intelligent control algorithms minimize energy consumption by optimizing motor speed according to load requirements, positioning it as a cost-effective and sustainable choice for energy-intensive operations. Furthermore, its comprehensive suite of protective functions ensures equipment safety and minimizes downtime, a critical consideration for industrial users prioritizing operational continuity. This combination of advanced control, durability, and energy efficiency makes the GD350A-2000G-4 a competitive option against other high-performance VFDs in its class.

Key Application Scenarios

This high-performance VFD is ideally suited for a range of demanding industrial applications where precise motor control and robust operation are paramount. It is extensively utilized in sectors such as mining, metallurgy, petrochemicals, and heavy manufacturing, powering large centrifugal pumps, compressors, extruders, and large fans. Its capacity for high starting torque and stable operation under fluctuating loads makes it an excellent choice for conveyor systems, mills, and heavy-duty machinery. The GD350A-2000G-4's versatility allows it to adapt to various motor types and control schemes, ensuring compatibility and optimal performance across diverse process requirements.

Practical System Integration Guidance

Integrating the INVT GD350A-2000G-4 into existing industrial systems requires careful planning. Proper electrical grounding and shielding are essential to prevent electromagnetic interference, especially in high-power installations. The drive supports standard RS485 Modbus RTU communication for seamless integration into supervisory control and data acquisition (SCADA) systems, with optional modules available for EtherNet/IP, PROFIBUS, and other industrial protocols. For commissioning, it is recommended to perform motor auto-tuning to optimize the VFD's parameters to the specific motor characteristics, ensuring peak efficiency and performance. Detailed wiring diagrams and parameter settings are available in the official INVT documentation, which should be consulted for specific setup procedures.

Operation and Risk Mitigation

Safe operation of the INVT GD350A-2000G-4 necessitates adherence to electrical safety standards and proper commissioning procedures. Ensure all safety interlocks and emergency stop circuits are correctly wired and tested before energizing the drive. Common troubleshooting involves checking for overload faults (often indicated by fault code F001), over-current faults (F002), or over-voltage faults (F003), which can typically be resolved by verifying motor load, cable integrity, and supply voltage stability. Regular maintenance, including cleaning ventilation filters and checking electrical connections, is crucial to prevent component failure and ensure sustained operational reliability.

Scalability & Long-Term Value

The INVT GD350A-2000G-4 offers significant long-term value through its robust construction and compatibility with evolving industrial automation trends. Its modular design and support for standard communication protocols facilitate integration with newer IIoT platforms and digital manufacturing initiatives. While specific hardware upgrade paths for this particular model are generally limited due to its fixed power rating, INVT's commitment to firmware updates can enhance functionality and performance over time. The drive's energy-saving capabilities also contribute to a reduced total cost of ownership by lowering operational expenditures, making it a strategic investment for industrial facilities aiming for enhanced efficiency and sustainability.

Frequently Asked Questions

What is the primary advantage of the INVT GD350A-2000G-4 VFD?

Its primary advantage is the advanced sensorless vector control, enabling precise motor speed and torque regulation for demanding industrial tasks. This technology optimizes performance and energy efficiency across varying load conditions.

This VFD provides superior responsiveness and stable operation, crucial for applications like pumps and fans requiring accurate flow or pressure management. Its robust build ensures reliability in harsh environments, minimizing downtime.

The drive's integrated protection features, including overload and over-voltage safeguards, significantly enhance operational safety and equipment longevity. This contributes to a lower total cost of ownership over the product's lifecycle.

How does the GD350A-2000G-4 handle overload conditions?

The drive is engineered to handle significant temporary overloads, rated for 150% of its nominal current for up to 60 seconds. It also supports a higher 180% overload for a brief period of 10 seconds.

These overload capabilities are essential for starting heavy loads that momentarily draw more current. The drive's intelligent protection system monitors these conditions to prevent damage while allowing necessary startup surges.

If continuous overload conditions persist beyond these limits, the VFD will trigger a protective shutdown to safeguard both the drive and the connected motor from thermal damage. The specific fault code for overload is typically F001.

What types of motors can be controlled by the INVT GD350A-2000G-4?

This VFD is primarily designed to control three-phase induction motors, offering excellent performance with both standard squirrel cage and wound rotor types. It excels with motors requiring precise speed and torque control.

The drive supports multiple control modes, including sensorless vector control and V/f control, allowing optimization for various motor characteristics and application demands. Auto-tuning functions ensure parameter matching for peak efficiency.

While most commonly used with AC induction motors, its advanced control capabilities can be leveraged for other motor types with appropriate configuration and potential external feedback devices, though this is less common for standard installations.

What communication protocols does the INVT GD350A-2000G-4 support?

The standard configuration includes an RS485 interface supporting the Modbus RTU protocol for basic communication and control. This is widely adopted in industrial automation for telemetry and command functions.

For advanced integration into networked environments, the GD350A-2000G-4 offers optional communication modules. These can enable support for popular industrial fieldbuses like EtherNet/IP, PROFIBUS DP, and DeviceNet.

These optional modules allow the VFD to seamlessly integrate into sophisticated Distributed Control Systems (DCS) or Programmable Logic Controller (PLC) networks, enabling centralized monitoring, diagnostics, and control of multiple drives.

What are the key installation considerations for this high-power VFD?

Proper ventilation is critical for this 2000kW drive to dissipate heat effectively and prevent thermal derating or failure. Ensure adequate clearance around the unit as specified in the manual.

Electrical installation requires robust cabling, correct grounding, and shielding to manage high currents and prevent electromagnetic interference (EMI). Consult the wiring diagrams and local electrical codes meticulously.

Secure mounting is essential, typically floor-standing for drives of this size, to ensure stability and facilitate maintenance access. All safety interlocks should be integrated and tested thoroughly before initial power-up.

How can I optimize energy efficiency with the GD350A-2000G-4?

Utilize the drive's advanced sensorless vector control and auto-tuning features to match motor speed precisely to the process load requirements. Avoid running motors at full speed when not necessary.

Implement energy-saving parameters within the VFD's programming. These can include features like automatic energy optimization (AEO) or reduced voltage at low speeds, which further minimize power consumption.

Regularly monitor motor performance and adjust VFD parameters as process demands change. This proactive approach ensures continuous optimization and maximizes energy savings over the long term.

What are common fault codes and how can I troubleshoot them?

Common fault codes include F001 for overload, F002 for over-current, and F003 for over-voltage. These indicate excessive current draw, voltage spikes, or sustained high motor load.

Troubleshooting involves checking motor impedance, cable integrity, and supply voltage stability for over-current and over-voltage faults. For overload, verify the mechanical load on the motor and its capacity.

Ensure the VFD's parameters are correctly set for the motor and application. If faults persist, consult the detailed fault code list in the user manual or contact INVT technical support for advanced diagnostics.

Is the INVT GD350A-2000G-4 suitable for variable torque applications like pumps and fans?

Yes, the GD350A-2000G-4 is highly suitable for variable torque applications due to its precise speed control and excellent low-speed torque capabilities. This allows for significant energy savings.

Its advanced vector control precisely regulates motor speed to match the required flow or pressure, reducing wasted energy compared to fixed-speed operation with throttling valves. This leads to substantial operational cost reductions.

The drive's ability to maintain stable operation at reduced speeds ensures consistent process output while consuming minimal power, making it an ideal choice for optimizing the performance of centrifugal pumps and fans.

What is the expected lifespan and reliability of this VFD?

INVT VFDs, including the GD350A series, are designed for high reliability and long operational lifespans in demanding industrial environments. Factors influencing lifespan include operating temperature and maintenance.

With proper installation, regular maintenance (like cleaning filters and checking connections), and operation within specified environmental parameters, these drives can reliably serve for many years, often exceeding 10-15 years.

The robust component selection and comprehensive protection circuits contribute significantly to their longevity. Following the manufacturer's guidelines for operation and maintenance is key to maximizing the drive's service life.

Does this VFD offer advanced diagnostic capabilities?

Yes, the INVT GD350A-2000G-4 provides comprehensive diagnostic information through its LCD display and communication interfaces. Users can monitor real-time operating data and historical fault logs.

The drive logs detailed event data, including fault codes, alarm history, and operational parameters at the time of an event. This information is invaluable for quick troubleshooting and root cause analysis of performance issues.

Via Modbus RTU or optional fieldbus modules, these diagnostic data points can be accessed remotely by SCADA or PLC systems, enabling proactive monitoring and predictive maintenance strategies for enhanced operational uptime.