INVT GD350A-090G/110P-4 High Performance General VFD Drive

The INVT GD350A-090G/110P-4 High Performance General VFD Drive stands as a robust solution for precise motor control across demanding industrial applications. This variable frequency drive (VFD) distinguishes itself with advanced vector control, delivering superior torque performance and dynamic response. Key advantages include exceptional energy efficiency, reduced mechanical stress on machinery, and enhanced process automation capabilities. The GD350A-090G/110P-4 boasts a rated power of 90kW (or 125HP for the 110P variant), an input voltage range of 380-460V AC, and an output frequency precision of ±0.02% within the 0.00-600.00Hz range. Its compact design facilitates easy integration into diverse control cabinets, while its intelligent protection functions ensure operational reliability and longevity.

Product Specifications

| Parameter             | Specification                                     |

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

| Model                 | INVT GD350A-090G/110P-4                           |

| Rated Power           | 90kW / 125HP                                      |

| Input Voltage         | 380-460V AC (3-Phase)                             |

| Output Frequency      | 0.00-600.00Hz                                     |

| Frequency Precision   | ±0.02%                                            |

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

| Overload Capability   | 120% rated current for 60s, 150% for 3s           |

| Protection            | Overvoltage,Undervoltage, Overcurrent, Overtemperature, etc. |

| Communication Options | Modbus RTU (standard), optional fieldbus modules |

| Dimensions (approx.)  | Varies by specific configuration, consult datasheet |

| Ambient Temperature   | -10°C to +40°C (derating required above +40°C)     |

Core Features & Market Positioning

The INVT GD350A-090G/110P-4 is engineered with advanced dual-core processors, enabling sophisticated algorithms for high-performance control. Its sensorless vector control capability provides excellent torque output at low speeds, crucial for applications requiring immediate load response, such as in cranes, extruders, and material handling systems. This VFD is positioned as a premium general-purpose drive that offers the precision and reliability typically found in more specialized, higher-cost units. The integration of multiple control modes (vector, V/f) provides flexibility, allowing users to optimize performance based on specific motor types and application demands. Furthermore, its robust design includes enhanced thermal management and comprehensive protection features, contributing to its reputation for durability in harsh industrial environments.

Key Application Scenarios

The GD350A-090G/110P-4 is ideally suited for a broad spectrum of industrial automation tasks. Its high starting torque and precise speed regulation make it an excellent choice for driving pumps and fans in HVAC systems, ensuring optimal flow control and energy savings. In manufacturing, it excels in conveyor belt systems, mixers, and crushers where consistent torque and speed are paramount. The drive's capacity for rapid acceleration and deceleration is leveraged in packaging machinery and metalworking equipment, enhancing throughput and precision. For the plastics industry, applications like injection molding machines and extruders benefit from the fine control offered by this VFD. Its adaptability also extends to textile machinery, paper production, and water treatment facilities.

Practical System Integration Guidance

Integrating the INVT GD350A-090G/110P-4 into existing systems is streamlined due to its user-friendly interface and versatile connectivity. Proper wiring is essential; ensure that the input power terminals (L1, L2, L3) are connected to a stable three-phase AC power supply and that the output terminals (T1, T2, T3) are correctly wired to the motor. Grounding must be robust to ensure safety and prevent electrical noise. For digital I/O, configure the multi-function inputs and outputs according to the application's control logic. Parameter programming typically involves setting basic motor data (voltage, current, frequency, poles) and then fine-tuning control parameters such as acceleration/deceleration times and speed reference modes. The integrated Modbus RTU communication port allows for seamless integration into SCADA systems or PLCs for remote monitoring and control, enabling advanced automation strategies.

Operation and Risk Mitigation

Safe and effective operation of the INVT GD350A-090G/110P-4 hinges on adhering to installation guidelines and understanding its protection features. Always ensure the VFD is installed in a well-ventilated area, away from excessive dust, moisture, or corrosive substances, and within the specified ambient temperature range. Before powering up, double-check all wiring connections to prevent short circuits or incorrect phase connections, which can trigger overcurrent or undervoltage faults. Critical error codes, such as E.OC (Overcurrent), E.OV (Overvoltage), E.UV (Undervoltage), and E.OH (Overheating), indicate specific issues that require immediate attention. Consult the product manual for detailed troubleshooting steps for each fault code. Implementing appropriate braking resistors can mitigate the risk of overvoltage during deceleration in high-inertia applications.

Scalability & Long-Term Value

The INVT GD350A-090G/110P-4 offers significant long-term value through its inherent scalability and compatibility with modern industrial communication protocols. Optional communication modules for popular fieldbus networks like Profibus, DeviceNet, or EtherNet/IP allow for seamless integration into heterogeneous automation architectures, supporting the trend towards Industry 4.0 and the Industrial Internet of Things (IIoT). This adaptability ensures that the drive can be part of evolving plant-wide control systems. Its robust construction and comprehensive diagnostics contribute to a reduced total cost of ownership by minimizing downtime and maintenance requirements. The availability of firmware updates from INVT further ensures that the drive can benefit from future performance enhancements and new features, maximizing its operational lifespan and return on investment.

Frequently Asked Questions

1. What is the typical power range for the INVT GD350A-090G/110P-4 drive?

The INVT GD350A-090G/110P-4 is a high-power drive, typically available in ratings such as 90kW.

It also corresponds to approximately 125HP for the 110P variant, catering to substantial motor loads.

This power capability makes it suitable for heavy-duty industrial machinery and processes.

2. Can this VFD be used with different types of motors?

Yes, the GD350A series supports various motor types, including asynchronous motors.

It offers both sensorless vector control and V/f control, adaptable to different motor characteristics.

Users should refer to the product manual for specific motor parameter configuration guidelines.

3. What are the primary communication protocols supported by the GD350A-090G/110P-4?

The drive natively supports Modbus RTU for standard industrial communication.

Optional communication modules are available for integration with popular fieldbuses.

These options include protocols like Profibus, DeviceNet, and EtherNet/IP for advanced networking.

4. How does the GD350A-090G/110P-4 handle overload conditions?

The drive is designed with robust overload protection capabilities.

It can sustain 120% of its rated current for up to 60 seconds.

For shorter durations, it handles 150% of rated current for 3 seconds, ensuring reliability under peak loads.

5. What is the input voltage requirement for this VFD?

This model operates on a three-phase AC power supply.

The input voltage range is specified as 380-460V AC.

Ensuring a stable power source within this range is critical for optimal performance.

6. What is sensorless vector control, and why is it important?

Sensorless vector control allows precise motor speed and torque regulation without feedback sensors.

It is crucial for applications demanding high starting torque and dynamic response.

This feature enhances efficiency and accuracy in processes like material handling and extrusion.

7. What are common fault codes encountered with this VFD?

Common fault codes include E.OC for overcurrent and E.OV for overvoltage.

E.UV indicates an undervoltage condition, and E.OH signifies an overtemperature issue.

Referencing the official manual is essential for diagnosing and resolving specific error codes.

8. Can the GD350A-090G/110P-4 be integrated into an IIoT environment?

Yes, with optional communication modules, it supports fieldbus protocols like EtherNet/IP.

This enables seamless connectivity to IIoT platforms and SCADA systems.

The drive facilitates data exchange for remote monitoring and advanced industrial automation.

9. What ambient temperature range is recommended for operating this VFD?

The drive operates reliably in ambient temperatures from -10°C to +40°C.

Operation above 40°C requires derating of the drive's current output capacity.

Proper ventilation is crucial to maintain optimal operating temperatures.

10. What are the benefits of using a high-performance VFD like the GD350A-090G/110P-4?

Key benefits include significant energy savings through precise motor speed control.

It reduces mechanical stress on machinery, extending equipment lifespan.

Enhanced process automation, improved product quality, and increased operational efficiency are also major advantages.