INVT GD350A-7R5G/011P-4 High Performance General VFD Drive

The INVT GD350A-7R5G/011P-4 High Performance General VFD Drive stands as a robust solution for precise motor control across a multitude of industrial applications. This variable frequency drive (VFD) delivers exceptional performance, boasting a rated power of 7.5 kW (10 HP) and operating on a 3-phase 400V input, with an output capability of 400V. Its advanced control algorithms ensure superior speed regulation and torque response, making it ideal for demanding tasks. Key advantages include its high overload capacity, intelligent thermal management, and comprehensive protection features, all encapsulated within a compact and user-friendly design. The GD350A-7R5G/011P-4 is engineered for reliability and efficiency, empowering industries to optimize production processes and reduce energy consumption.

Product Specifications

| Parameter                 | Specification                                         |

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

| Model                     | GD350A-7R5G/011P-4                                    |

| Rated Power               | 7.5 kW (10 HP)                                        |

| Input Voltage             | 3-Phase, 400V Class                                   |

| Output Voltage            | 400V Class                                            |

| Output Current (Normal)   | 18.5 A                                                |

| Output Current (Heavy Duty) | 20.0 A                                                |

| Protection Level          | IP20                                                  |

| Control Method            | V/f, Sensorless Vector Control (SVC), Closed-loop Vector Control |

| Frequency Range           | 0-3000 Hz                                             |

| Overload Capacity         | 150% for 60s (Normal Duty), 180% for 60s (Heavy Duty) |

| Braking Unit              | Built-in (for models up to 7.5kW, external for higher) |

| Communication Interfaces  | RS485 (standard), Optional fieldbus modules           |

Core Features & Market Positioning

The INVT GD350A-7R5G/011P-4 distinguishes itself through its sophisticated control capabilities, offering both sensorless vector control (SVC) and closed-loop vector control options, providing exceptional dynamic performance and precise speed holding even under varying load conditions. Its high overload capacity is a significant competitive advantage, allowing it to handle demanding startup torques and transient load spikes without derating, a crucial factor in applications like crushers, extruders, and lifts. The drive's intelligent thermal management system, featuring optimized heatsink design and an intelligent fan control, ensures sustained operation and extends product lifespan, positioning it as a reliable, long-term investment for industrial operations.

Key Application Scenarios

This high-performance VFD is exceptionally well-suited for a wide array of industrial applications where precise motor control and robust performance are paramount. It excels in pump and fan applications, where its energy-saving capabilities and precise flow/pressure regulation can yield significant operational efficiencies. In the material handling sector, its strong torque performance at low speeds makes it ideal for conveyors, cranes, and elevators, ensuring smooth acceleration and deceleration. Furthermore, the GD350A-7R5G/011P-4 finds extensive use in machine tools, textile machinery, and packaging equipment, where accurate speed control and rapid response times are critical for product quality and throughput.

Practical System Integration Guidance

Integrating the INVT GD350A-7R5G/011P-4 into existing systems is streamlined due to its flexible design and comprehensive communication options. For optimal thermal performance and safety, ensure adequate ventilation around the drive and adhere to recommended wiring practices. The drive supports standard RS485 communication for easy integration into SCADA or PLC systems, with optional modules available for popular industrial fieldbuses like Profibus and Modbus TCP/IP, simplifying network connectivity. Commissioning involves setting basic motor parameters, desired control modes (V/f, SVC, or closed-loop vector), and acceleration/deceleration times via the intuitive keypad or software, ensuring quick and accurate setup for diverse applications.

Operation and Risk Mitigation

Safe operation of the INVT GD350A-7R5G/011P-4 is facilitated by its robust suite of protection features, including overcurrent, overvoltage, undervoltage, motor overload, and phase loss protection. Users should always refer to the operational manual for detailed safety guidelines and proper handling procedures before installation and operation. Common troubleshooting scenarios often relate to parameter misconfiguration or environmental factors; ensuring correct motor data entry and maintaining the drive within specified operating temperature and humidity ranges are critical for preventing issues. In the event of a fault, the drive displays specific error codes, such as E.001 (overcurrent) or E.005 (overload), providing clear indicators for diagnostics and resolution.

Scalability & Long-Term Value

The INVT GD350A-7R5G/011P-4 offers significant long-term value through its scalability and compatibility with modern industrial automation trends. Its modular design and support for various communication protocols allow for seamless integration into Industrial Internet of Things (IIoT) platforms and smart factory environments, enabling remote monitoring, diagnostics, and predictive maintenance. While this specific model offers substantial standalone capabilities, INVT's broader product portfolio ensures compatibility with higher-power drives and specialized control units, facilitating system expansion as operational needs grow. This foresight in design guarantees that the investment in the GD350A-7R5G/011P-4 remains relevant and effective for future industrial upgrades and digital transformations.

FAQs

What are the primary advantages of the INVT GD350A-7R5G/011P-4?

The drive offers superior motor control accuracy with advanced algorithms like sensorless vector control. It boasts a high overload capacity for demanding applications. Intelligent thermal management ensures longevity and reliable performance.

What technical specifications define this VFD's performance capabilities?

It features a 7.5 kW (10 HP) rated power and operates on a 3-phase 400V input, delivering 400V output. The drive supports a wide frequency range up to 3000 Hz. It offers robust overload protection, crucial for dynamic loads.

How does the GD350A-7R5G/011P-4 integrate into industrial automation systems?

It supports standard RS485 communication for easy integration with PLCs and SCADA systems. Optional fieldbus modules for Profibus and Modbus enable wider network compatibility. This facilitates remote monitoring and control within IIoT architectures.

Can this VFD handle applications requiring high starting torque?

Yes, its sensorless vector control provides excellent low-speed torque performance. The high overload capacity ensures it can handle the significant current demands during motor startup. This makes it ideal for lifts, extruders, and crushers.

What are the key protection features of the INVT GD350A-7R5G/011P-4?

The drive includes comprehensive protection against overcurrent, overvoltage, and undervoltage faults. It also features motor overload and phase loss detection for enhanced safety. These ensure operational reliability and protect connected equipment.

What are common application scenarios for this specific VFD model?

It is widely used for pumps and fans, offering precise flow and energy savings. Material handling equipment like conveyors and cranes benefit from its smooth control. Machine tools and packaging machinery also utilize its dynamic response capabilities.

How is system commissioning typically performed for this VFD?

Commissioning involves setting fundamental motor parameters through the user interface. Users configure the desired control mode, such as V/f or vector control. Adjusting acceleration and deceleration times is also a key step for optimized performance.

What is the typical power and voltage rating for the GD350A-7R5G/011P-4?

This specific model is rated at 7.5 kW (10 HP) for its motor power output. It operates from a 3-phase 400V AC power supply. The output voltage supplied to the motor is also within the 400V class.

Does this VFD have built-in communication capabilities?

Yes, the GD350A-7R5G/011P-4 comes standard with an RS485 communication interface. This allows for straightforward integration into supervisory control systems. Optional communication modules can be added for broader network protocols.

What is the recommended environmental condition for operating this VFD?

It is crucial to operate the drive within its specified ambient temperature and humidity ranges. Adequate ventilation is essential to prevent overheating and ensure optimal performance. Proper installation according to the manual mitigates operational risks.