INVT GD350-004G/5R5P-45-NS Goodrive350 NS Series Inverter 4kW to 5.5kW Dual Rating Standard Stage

The INVT GD350-004G/5R5P-45-NS Goodrive350 NS Series Inverter is a robust variable frequency drive engineered for demanding industrial applications, offering a dual rating of 4kW and 5.5kW. This inverter excels in providing precise motor control and enhanced energy efficiency, making it a superior choice for pump and fan applications. Its core advantages include advanced control algorithms, comprehensive protection features, and a user-friendly interface, all contributing to reliable performance and reduced operational costs. Key technical parameters include a power range from 4kW to 5.5kW, an input voltage of 380-400V (3 phase), and a control method that supports both V/f and vector control. The NS series is specifically designed for standard stage applications, ensuring optimal performance in environments where consistency and durability are paramount.

Product Specifications

| Parameter              | Specification                                  |

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

| Model                  | GD350-004G/5R5P-45-NS                          |

| Series                 | Goodrive350 NS                                 |

| Power Rating (kW)      | 4kW (Standard), 5.5kW (Heavy Duty)             |

| Input Voltage (V)      | 380-400 (3 Phase)                              |

| Output Frequency (Hz)  | 0-500                                          |

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

| Protection Features    | Overload, Overvoltage, Undervoltage, Short Circuit, Phase Loss, etc. |

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

| Mounting Type          | Wall/Panel Mount                               |

Core Features & Market Positioning

The INVT GD350-004G/5R5P-45-NS distinguishes itself in the competitive VFD market through its robust dual-rating capability, allowing a single unit to handle both standard and heavy-duty loads efficiently. This flexibility reduces the need for multiple inverter models, simplifying inventory and application design. The integration of advanced sensorless vector control ensures precise speed and torque regulation, crucial for applications requiring dynamic response and stable operation, even under varying load conditions. INVT's Goodrive350 series is positioned as a reliable, high-performance solution for cost-conscious industries, balancing advanced technology with straightforward usability. Its comprehensive protection mechanisms, including phase loss, overvoltage, and short-circuit protection, significantly enhance operational safety and prolong equipment lifespan, aligning with industry demands for dependable and durable automation components.

Key Application Scenarios

This inverter is ideally suited for a wide array of industrial applications, particularly in sectors involving fluid management and air handling. Its dual rating makes it exceptionally versatile for pump control, where fluctuating demand necessitates variable speed operation to optimize energy consumption and maintain desired flow rates. Similarly, in fan applications, the GD350-004G/5R5P-45-NS enables precise airflow regulation, contributing to efficient HVAC systems and industrial ventilation processes. The NS series' standard stage designation implies its suitability for general-purpose machinery, including conveyors, mixers, and extruders, where consistent and reliable motor speed control is essential for maintaining product quality and process efficiency. Industries such as water treatment, textiles, and manufacturing commonly leverage these capabilities to reduce energy costs and improve process performance.

Practical System Integration Guidance

Integrating the INVT GD350-004G/5R5P-45-NS into existing or new systems is streamlined due to its accessible design and versatile connectivity options. Proper wiring is critical for safe and effective operation; the unit requires a stable 380-400V three-phase power supply connected to the L1, L2, L3 terminals, and the motor is connected to the U, V, W outputs. Earth grounding of the chassis and motor frame is mandatory to prevent electrical hazards. For advanced control, digital inputs can be configured for start/stop commands, multi-speed selection, or external fault signals, while analog inputs allow for speed referencing from potentiometers or PLC outputs. Commissioning typically involves setting basic parameters such as motor rated current, rated frequency, and control mode (V/f or sensorless vector). For sensorless vector control, a motor auto-tuning process is recommended to optimize performance by characterizing the motor's electrical properties, ensuring the inverter delivers precise torque control.

Operation and Risk Mitigation

Operating the INVT GD350-004G/5R5P-45-NS requires adherence to safety protocols to mitigate risks. Before powering up, ensure all connections are secure and correctly wired, and that the ambient environment meets the inverter's operating temperature and humidity specifications. Regularly inspect for dust accumulation and ensure adequate ventilation to prevent overheating. Common troubleshooting involves addressing fault codes displayed on the HMI; for instance, an "Overcurrent" fault (e.g., F001) might indicate a motor short circuit, excessive acceleration, or a load issue. An "Undervoltage" fault (e.g., F003) suggests an unstable input power supply. Familiarizing yourself with the full fault code list in the user manual is crucial for prompt and accurate diagnosis and resolution. Always disconnect power before performing any maintenance or inspection.

Scalability & Long-Term Value

The Goodrive350 NS Series inverter offers significant long-term value through its inherent scalability and compatibility with evolving industrial automation trends. Its flexible parameter settings and robust motor control capabilities ensure it can adapt to changing process requirements without necessitating a complete hardware replacement. For facilities looking to embrace Industry 4.0 principles, the GD350-004G/5R5P-45-NS can be integrated into networked systems via optional communication modules (e.g., Modbus, Profibus), enabling remote monitoring, control, and data acquisition. This connectivity facilitates predictive maintenance strategies and allows for seamless integration with SCADA or PLC-based control architectures, enhancing overall operational intelligence and efficiency. The dual-rating design also provides inherent future-proofing, accommodating potential increases in load requirements within the same physical footprint.

FAQs

What is the primary function of the INVT GD350-004G/5R5P-45-NS inverter?

Its primary function is to control the speed and torque of AC motors in industrial applications. This allows for significant energy savings and precise process control.

It achieves this by converting fixed-frequency AC power to variable-frequency AC power. This enables dynamic adjustment of motor speed based on system demand.

The dual rating (4kW/5.5kW) offers versatility for both standard and heavier load requirements, enhancing its applicability.

How does the dual rating of the INVT GD350-004G/5R5P-45-NS benefit users?

The dual rating provides operational flexibility for varying load conditions. It allows a single unit to efficiently manage both lighter and more demanding tasks.

This capability reduces the need to stock multiple inverter models, simplifying inventory management and lowering overall costs. It also streamlines application design and commissioning.

Users can confidently select this inverter knowing it can adapt to potential future increases in load requirements without needing a premature upgrade.

What are the key protection features of this inverter?

The inverter incorporates comprehensive protection against common electrical faults. These include overcurrent, overvoltage, undervoltage, and phase loss protection.

It also protects against motor and drive over-temperatures, short circuits, and ground faults. These features safeguard both the inverter and the connected motor from damage.

These built-in safeguards enhance operational safety, reduce downtime, and prolong the lifespan of the motor and associated equipment.

Can this inverter be used for pump and fan applications?

Yes, it is highly suitable for pump and fan applications due to its variable speed control capabilities. It optimizes energy consumption by matching motor speed to system demand.

In pump applications, it ensures consistent flow rates and reduces mechanical stress. For fans, it allows precise airflow regulation for HVAC and ventilation systems.

The sensorless vector control ensures smooth operation and accurate speed regulation, crucial for maintaining optimal performance in these dynamic fluid and air handling systems.

What type of motor control does the INVT GD350-004G/5R5P-45-NS support?

It supports both Volts per Hertz (V/f) control and Sensorless Vector Control (SVC). V/f control is simpler and suitable for many basic applications.

Sensorless Vector Control provides superior performance, offering precise torque and speed regulation without the need for motor encoders. This is ideal for demanding applications.

The ability to select between these control methods allows users to tailor the inverter's performance to the specific requirements of their motor and application.

How do I perform basic setup and commissioning?

Basic setup involves entering motor nameplate data, such as voltage, current, frequency, and power. This allows the inverter to configure itself for optimal performance.

It's crucial to set the correct input and output frequency ranges and select the desired control mode (V/f or SVC). For SVC, auto-tuning the motor is highly recommended.

Refer to the user manual for a detailed step-by-step guide on parameter configuration and the auto-tuning process for your specific motor model.

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

Common fault codes include overcurrent (F001), undervoltage (F003), and overtemperature (F005). Each code indicates a specific issue within the system.

Overcurrent faults can signal rapid acceleration, short circuits, or excessive load. Undervoltage suggests unstable input power, while overtemperature indicates cooling issues.

Always consult the product's user manual for a comprehensive list of fault codes and their corresponding troubleshooting procedures before attempting any corrective actions.

Is this inverter compatible with PLC systems?

Yes, the INVT GD350-004G/5R5P-45-NS can be integrated with PLC systems for advanced control and automation. This is typically achieved through digital inputs/outputs or optional communication modules.

Communication modules, such as Modbus or Profibus, allow for seamless data exchange between the inverter and the PLC. This enables remote monitoring, parameter adjustment, and diagnostics.

This integration facilitates sophisticated process control, data logging, and implementation of advanced automation strategies within a networked industrial environment.

What are the environmental operating conditions for this inverter?

The inverter is designed to operate within a specific temperature range, typically from -10°C to +40°C. Exceeding this range can lead to performance degradation or failure.

It's important to ensure adequate ventilation around the inverter to prevent overheating. Dust and corrosive atmospheres should also be minimized in the installation environment.

Always refer to the product's datasheet for precise specifications regarding humidity, altitude, and acceptable environmental conditions to ensure optimal and safe operation.

Where can I find the user manual for detailed technical information?

The user manual is typically available for download from the official INVT website or through authorized distributors. It is the most comprehensive resource for technical data.

It contains detailed specifications, wiring diagrams, parameter descriptions, programming examples, troubleshooting guides, and safety instructions. Keeping a copy readily accessible is essential.

For specific models like the GD350-004G/5R5P-45-NS, ensure you download the manual corresponding to the NS series for accurate information.