INVT GD350-7R5G/011P-45-NS Goodrive350 NS Series Inverter 7.5kW to 11kW Industrial Control Stage

The INVT Goodrive350 NS Series Inverter, specifically the GD350-7R5G/011P-45-NS, is a sophisticated variable frequency drive engineered for demanding industrial control applications. This 7.5kW to 11kW unit excels in providing precise motor speed control, energy efficiency, and robust operational reliability across a wide range of machinery. Its core advantages lie in its advanced control algorithms, comprehensive protection features, and user-friendly interface, making it a superior choice for enhancing productivity and reducing operational costs in sectors like manufacturing, material handling, and pumping systems. Key technical parameters include an input voltage range of 380-460V, a rated output power of 7.5kW for standard operation and capable of handling up to 11kW in special applications, and a maximum output frequency of 400Hz.

Product Specifications

| Parameter             | Specification                               |

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

| Model                 | GD350-7R5G/011P-45-NS                       |

| Series                | Goodrive350 NS Series                       |

| Rated Power (Standard) | 7.5 kW                                      |

| Rated Power (Special)  | 11 kW                                       |

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

| Output Frequency      | 0-400 Hz                                    |

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

| Protection Class      | IP20                                        |

| Mounting Type         | Wall/Rack Mount                             |

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

| Operating Temperature | -10°C to 40°C                               |

Core Features & Market Positioning

The INVT GD350-7R5G/011P-45-NS stands out in the competitive VFD market due to its robust sensorless vector control algorithm, which delivers excellent dynamic performance and precise speed regulation without the need for motor encoders. This technological differentiation simplifies installation and reduces system costs while maintaining high accuracy. The inverter is designed with an emphasis on energy efficiency, incorporating advanced algorithms to optimize power consumption based on load requirements. Furthermore, its compact design and high-power density allow for space-saving installations in control cabinets. The NS series is positioned as a reliable, high-performance solution for general industrial automation, offering a strong balance of advanced features and cost-effectiveness.

Key Application Scenarios

This INVT GD350-7R5G/011P-45-NS inverter is exceptionally versatile, finding critical applications in various industrial settings. It is ideally suited for driving pumps and fans in HVAC systems, where precise flow and pressure control are paramount, leading to significant energy savings. In the manufacturing sector, it is frequently employed for conveyor systems, machine tools, and packaging machinery, ensuring smooth acceleration, deceleration, and consistent operational speeds. Material handling applications, such as cranes and elevators, also benefit from its precise torque control and smooth starting capabilities. Its ability to operate effectively in dusty and humid environments, coupled with its comprehensive protection functions, makes it a robust choice for processing industries.

Practical System Integration Guidance

Integrating the INVT GD350-7R5G/011P-45-NS into existing industrial control systems is facilitated by its flexible configuration options. The inverter supports multiple communication protocols, enabling seamless integration with PLCs and SCADA systems, often via optional communication cards for protocols like Modbus, Profibus, or Ethernet/IP. Wiring considerations are crucial; ensure all power and control wiring adheres to local electrical codes and the inverter's manual, using appropriate cable types and grounding. For basic setup, parameters such as motor auto-tuning, acceleration/deceleration times, and speed references are essential. The intuitive digital keypad and display allow for straightforward parameter adjustment and monitoring, with the option for remote operation via external terminals or an optional remote keypad.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-7R5G/011P-45-NS relies on adhering to operational guidelines and understanding potential fault conditions. Always ensure proper ventilation around the inverter to prevent overheating, and verify that the motor and wiring are correctly connected before initial power-up. Key safety features include overload protection, short-circuit protection, and over-voltage/under-voltage protection. Common fault codes, such as E.OC (Overcurrent) or E.OV (Overvoltage), often indicate issues with motor parameters, acceleration times, or power supply stability. Addressing these requires careful review of the troubleshooting section in the product manual, which typically guides users through diagnostic steps and corrective actions to minimize downtime and prevent equipment damage.

Scalability & Long-Term Value

The Goodrive350 NS Series, including the GD350-7R5G/011P-45-NS, offers substantial long-term value through its inherent scalability and compatibility with modern industrial automation trends. Its modular design and support for various communication interfaces ensure it can be integrated into expanding systems or upgraded to advanced IIoT platforms, facilitating predictive maintenance and remote monitoring. Compatibility with a wide range of standard industrial motors and control components reduces integration costs and simplifies spare parts management. By optimizing energy consumption and extending the lifespan of connected machinery through precise control, this inverter provides a strong return on investment, positioning it as a future-proof solution for evolving industrial demands.

FAQs

What is the primary function of the INVT GD350-7R5G/011P-45-NS inverter?

This inverter's core function is to control the speed and torque of industrial electric motors. It achieves this by precisely adjusting the frequency and voltage supplied to the motor.

It enables variable speed operation, optimizing machinery performance and reducing energy consumption compared to fixed-speed systems. The GD350-7R5G/011P-45-NS model is designed for 3-phase motors with a power range of 7.5kW to 11kW.

By managing motor speed dynamically, it enhances process control, minimizes mechanical stress on equipment, and contributes to overall operational efficiency in various industrial applications.

What are the key advantages of using the INVT Goodrive350 NS Series inverter?

The NS Series offers advanced sensorless vector control for high-performance motor operation. It provides superior energy efficiency through intelligent power management algorithms.

Its robust protection features safeguard both the motor and the inverter from electrical faults. The inverter also boasts a user-friendly interface for straightforward setup and operation.

These advantages translate into increased productivity, reduced maintenance costs, and a longer lifespan for connected machinery, making it a cost-effective solution.

What types of motors can be controlled by the INVT GD350-7R5G/011P-45-NS?

This inverter is designed to control standard three-phase AC induction motors. It is compatible with a wide range of motor types and manufacturers.

The specific motor parameters need to be configured within the inverter for optimal performance and protection. This includes parameters like rated power, voltage, current, and speed.

It excels in driving motors for applications requiring precise speed or torque control, such as pumps, fans, conveyors, and machine tools.

What is the typical input voltage range for the GD350-7R5G/011P-45-NS?

The INVT GD350-7R5G/011P-45-NS operates with a standard industrial three-phase input voltage. This range typically falls between 380V and 460V.

Ensuring the correct input voltage supply is critical for the safe and reliable operation of the inverter. Always verify local power supply specifications match the inverter's requirements.

This voltage range is common in industrial power grids worldwide, making the inverter suitable for a broad spectrum of global installations.

How does sensorless vector control benefit this inverter's applications?

Sensorless vector control allows for precise motor speed and torque regulation without needing a motor-mounted encoder. This simplifies installation and reduces system complexity.

It provides excellent dynamic response, enabling the motor to quickly adjust speed and torque to changing load conditions. This is crucial for applications requiring high accuracy.

This advanced control method ensures smooth motor operation, reduces mechanical wear, and enhances overall system efficiency, even in demanding variable torque applications.

What are some common industrial applications for the INVT GD350-7R5G/011P-45-NS?

This inverter is widely used in pump and fan control for HVAC systems, ensuring efficient fluid and air management. It is also employed in material handling equipment like conveyors and cranes for smooth motion control.

In manufacturing, it is utilized for machine tools, packaging machinery, and textile equipment where precise speed and torque regulation are essential. Its versatility extends to many other general industrial automation tasks.

The robust design and comprehensive features make it suitable for applications demanding reliability and efficiency, from process control to standalone machine operation.

How do I integrate the INVT GD350-7R5G/011P-45-NS into a PLC system?

Integration is typically achieved through digital I/O, analog inputs, or communication protocols. You can use digital inputs for start/stop commands and analog inputs for speed setpoints.

Many GD350 models support fieldbus communication protocols like Modbus RTU via RS485, or optional cards for Profibus, DeviceNet, or Ethernet/IP. This allows for sophisticated data exchange and control.

Careful wiring and parameter configuration on both the PLC and the inverter are necessary for seamless communication and reliable control. Consult the product manual for specific wiring diagrams and communication setup instructions.

What safety precautions should be taken when operating this inverter?

Always ensure proper grounding of the inverter and motor to prevent electrical hazards. Never work on the wiring or internal components while the unit is powered.

Verify that the ambient temperature and environmental conditions are within the inverter's operating specifications to prevent overheating or damage. Ensure adequate ventilation.

Familiarize yourself with the inverter's protection functions and common fault codes to quickly identify and address any operational issues, minimizing risks to personnel and equipment.

What is the power rating of the INVT GD350-7R5G/011P-45-NS?

The model number indicates a standard rated power output of 7.5kW. This is the power the inverter can continuously supply under normal operating conditions.

However, it is also capable of handling higher power demands, with a special application rating of up to 11kW. This allows for momentary peaks in load or use in specific motor configurations.

It is crucial to match the inverter's power rating to the requirements of the motor and driven load for optimal performance and to prevent overload.

Where can I find detailed technical specifications and manuals for this inverter?

The most comprehensive and up-to-date technical specifications and operating manuals are available directly from INVT or their authorized distributors. These documents contain detailed electrical characteristics, installation guides, and parameter settings.

You should look for the specific model number GD350-7R5G/011P-45-NS on the manufacturer's website or their technical support portal. These resources are essential for proper installation and troubleshooting.

Always refer to the official documentation for accurate information regarding dimensions, wiring diagrams, protection settings, and advanced features to ensure correct application and safe operation.