INVT GD350-5R5G/7R5P-45-NS Goodrive350 NS Series Inverter 5.5kW to 7.5kW Efficiency Power Unit

The INVT GD350-5R5G/7R5P-45-NS Goodrive350 NS Series Inverter, covering a 5.5kW to 7.5kW range, represents a significant advancement in industrial motor control, offering superior efficiency and robust performance for demanding applications. This unit is engineered for reliability, featuring advanced control algorithms and a compact, user-friendly design that simplifies integration and operation. With an emphasis on energy savings and precise motor management, the Goodrive350 NS Series is poised to become a cornerstone for modern automation systems seeking to optimize operational costs and enhance productivity. Key technical parameters include a rated power output of 5.5kW to 7.5kW, input voltage compatibility, and precise frequency control capabilities.

| Parameter                 | Specification                                     |

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

| Product Series            | Goodrive350 NS Series                             |

| Model Range               | GD350-5R5G/7R5P-45-NS                             |

| Rated Power Output        | 5.5kW (7.5HP) to 7.5kW (10HP)                     |

| Input Voltage             | 3-Phase, 380V/400V/415V AC                        |

| Output Frequency          | 0-3000 Hz                                         |

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

| Protection Rating         | IP20                                              |

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

| Mounting                  | Wall/Panel Mount                                  |

Core Features & Market Positioning

The INVT GD350-5R5G/7R5P-45-NS Goodrive350 NS Series inverter distinguishes itself through its advanced sensorless vector control, enabling high starting torque and precise speed regulation even under varying load conditions. This technology, a hallmark of INVT's commitment to cutting-edge drive solutions, minimizes reliance on encoders, thereby reducing system complexity and cost for many applications. Its robust design, incorporating advanced thermal management and comprehensive protection functions, ensures operational stability and longevity in harsh industrial environments. The series is positioned as a cost-effective yet high-performance solution for businesses looking to upgrade their motor control systems with reliable, energy-efficient technology that offers a competitive edge.

Key Application Scenarios

This inverter is ideally suited for a wide array of industrial applications where precise motor control and energy efficiency are paramount. Common use cases include pump and fan control, offering significant energy savings through variable speed operation, particularly in HVAC systems and water treatment facilities. It is also extensively applied in conveyor systems, machine tools, and textile machinery, where consistent speed and torque are critical for product quality and process throughput. The 5.5kW to 7.5kW power range makes it a versatile choice for mid-range industrial automation tasks, from material handling to processing equipment.

Practical System Integration Guidance

Integrating the INVT GD350-5R5G/7R5P-45-NS into existing systems is streamlined by its intuitive interface and flexible configuration options. For electrical connections, ensure the main power supply is correctly wired to the input terminals (L1, L2, L3) and the motor to the output terminals (T1, T2, T3), adhering to local electrical codes and safety standards. Proper grounding of the inverter chassis and motor frame is essential for safety and electromagnetic compatibility (EMC). Parameter programming can be performed via the integrated keypad or through optional communication modules. For sensorless vector control, initial motor data identification (auto-tuning) is crucial to optimize performance; this process typically involves a brief motor run-up with no load.

Operation and Risk Mitigation

Safe operation of the INVT GD350-5R5G/7R5P-45-NS inverter demands adherence to its operating manual and established industrial safety protocols. Prior to commissioning, verify all wiring connections and ensure the power supply is within the specified voltage range. During operation, avoid making parameter changes while the motor is running unless explicitly permitted by the application and safe work procedures. Common fault codes, such as overcurrent (OC), overvoltage (OV), and undervoltage (UV), typically indicate issues with load, power supply, or internal component integrity, requiring prompt investigation. Always disconnect power and allow sufficient time for discharge before performing any maintenance or inspection.

Scalability & Long-Term Value

The Goodrive350 NS Series inverter offers excellent scalability and long-term value through its compatibility with various industrial communication protocols, such as Modbus RTU, allowing seamless integration into supervisory control and data acquisition (SCADA) systems and programmable logic controllers (PLCs). This facilitates remote monitoring, control, and data logging, aligning with Industry 4.0 initiatives. The modular design and availability of expansion options further enhance its adaptability to evolving operational requirements. INVT's commitment to product development ensures that these units remain supported and relevant, providing a robust foundation for future automation upgrades and enhancing the overall return on investment for industrial facilities.

Frequently Asked Questions

What are the primary benefits of using the INVT GD350-5R5G/7R5P-45-NS inverter?

This inverter offers significant energy savings through precise speed control, reducing electricity consumption. It also provides enhanced motor protection features, extending equipment lifespan and minimizing downtime. The advanced sensorless vector control ensures high starting torque and accurate speed regulation for demanding applications.

What types of motors can be controlled by this INVT Goodrive350 inverter?

The inverter is designed to control standard three-phase asynchronous motors efficiently. It supports both V/f control for simpler applications and sensorless vector control for more precise torque and speed demands. Compatibility with motors rated within its 5.5kW to 7.5kW power range is essential for optimal performance.

How do I perform an auto-tuning on the INVT GD350-5R5G/7R5P-45-NS?

Auto-tuning calibrates the inverter to the specific motor's characteristics for optimal performance. It typically involves selecting the auto-tuning function in the parameter settings and initiating the process, which may require the motor to run briefly. Refer to the product manual for the precise sequence of steps.