INVT GD350-055G/075P-45-NS-B Goodrive350 NS Series Inverter 55kW to 75kW with Built-in Braking Unit

The INVT GD350-055G/075P-45-NS-B Goodrive350 NS Series Inverter is a robust variable frequency drive engineered for demanding industrial applications, offering precise motor control from 55kW to 75kW. This unit boasts a built-in braking unit, enhancing deceleration capabilities and system safety, making it a powerful solution for various industrial automation needs. Its advanced features include flexible control modes, comprehensive protection functions, and a user-friendly interface designed for seamless integration and operation in diverse environments. The inverter is optimized for efficiency and reliability, supporting multiple communication protocols for easy integration into supervisory control and data acquisition (SCADA) systems and industrial internet of things (IIoT) platforms.

Product Specifications

| Parameter                      | Specification                               |

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

| Model                          | GD350-055G/075P-45-NS-B                     |

| Power Range (kW)               | 55                                          |

| Power Range (HP)               | 75                                          |

| Input Voltage                  | 3-Phase, 380V-460V                          |

| Output Voltage                 | 0-380V/460V                                 |

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

| Braking Unit                   | Built-in                                    |

| Protection Functions           | Overload, Overvoltage, Undervoltage, etc.   |

| Communication Interfaces       | RS485, Optional Fieldbus Cards              |

| Ambient Temperature            | -10°C to 50°C                               |

| Enclosure                      | IP20 (Standard)                             |

Core Features & Market Positioning

The INVT GD350-055G/075P-45-NS-B distinguishes itself in the market through its sophisticated dual-core processing architecture, enabling high-speed calculations for precise motor control and rapid response times. Its sophisticated vector control algorithms deliver superior torque performance and accuracy, even under fluctuating load conditions, which is critical for applications requiring consistent output. The integrated braking unit significantly reduces reliance on external braking resistors, simplifying installation and reducing associated costs and maintenance. This inverter is positioned as a high-performance, reliable, and cost-effective solution for industries seeking to optimize energy consumption and enhance process efficiency. The INVT Goodrive350 series is recognized for its robust design, making it suitable for harsh industrial environments.

Key Application Scenarios

This INVT GD350 inverter excels in a wide array of industrial applications where precise speed and torque control are paramount. It is particularly well-suited for driving heavy machinery such as large pumps, fans, extruders, and material handling systems. Industries benefiting from its capabilities include chemical processing, metallurgy, textiles, and water treatment, where consistent performance and energy savings are crucial. The built-in braking unit is advantageous for applications involving frequent stops and starts or where overhauling loads are present, such as in hoists and elevators. Its flexible parameter settings and communication options also make it ideal for integration into automated production lines and complex machinery requiring sophisticated control strategies.

Practical System Integration Guidance

Integrating the INVT GD350-055G/075P-45-NS-B into existing systems is streamlined due to its user-friendly design and versatile connectivity options. For installation, ensure adequate ventilation and adherence to the specified ambient temperature range to maintain optimal performance and longevity. Wiring should be performed by qualified personnel, paying close attention to grounding, input power, and motor connections as detailed in the INVT manual. For commissioning, initial setup involves configuring motor parameters, control modes, and protection limits via the intuitive keypad or through PC-based software. The RS485 communication port is standard for basic serial communication, with support for Modbus RTU, enabling integration with PLCs and SCADA systems. Optional communication modules can be added for compatibility with other industrial fieldbuses, further enhancing its integration capabilities.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-055G/075P-45-NS-B is achieved through understanding its operational parameters and safety features. The inverter is equipped with numerous protection functions, including overcurrent, overvoltage, undervoltage, phase loss, and thermal overload protection, which automatically safeguard both the drive and the connected motor. During operation, users should monitor motor temperature and drive status through the digital display or connected HMI. Common troubleshooting steps involve checking input power, motor connections, and parameter settings. Critical error codes, such as "Overcurrent Fault" (F001) or "Overload Fault" (F002), typically indicate issues that require immediate attention, often related to motor parameters, excessive load, or mechanical problems in the driven equipment. Always refer to the official INVT documentation for a comprehensive list of fault codes and their solutions.

Scalability & Long-Term Value

The INVT Goodrive350 NS Series Inverter offers significant scalability and long-term value for industrial operations. Its modular design and support for various communication protocols allow for straightforward integration into increasingly complex IIoT environments and smart factory initiatives. Compatibility with a wide range of motors and the ability to fine-tune control parameters ensure that the inverter can adapt to evolving production needs and machine upgrades. Furthermore, INVT's commitment to developing advanced drive technology and providing firmware updates contributes to the product's extended lifecycle and continued relevance in the industrial automation landscape. This focus on future-proofing ensures that investments in the GD350 series continue to deliver operational efficiencies and competitive advantages.

Frequently Asked Questions

1. What is the typical power factor of the INVT GD350-055G/075P-45-NS-B?

The power factor varies with motor load and control mode.

Generally, it operates near unity during normal operation with vector control.

Consult the user manual for precise power factor charts and calculations.

2. How do I reset the inverter after a fault?

First, identify and rectify the fault cause.

Then, use the reset button on the keypad or send a reset command.

Ensure safety protocols are followed before attempting a reset.

3. Can this inverter be used with a single-phase motor?

No, this is a three-phase inverter for three-phase motors.

It requires a three-phase power supply for operation.

Using it with single-phase motors can cause damage.

4. What is the maximum switching frequency for this INVT drive?

The maximum switching frequency is typically configurable.

It can be adjusted to balance motor noise and efficiency.

Higher frequencies can reduce audible noise but may increase heat.

5. How is the built-in braking unit activated?

The braking unit is activated automatically during deceleration.

It dissipates braking energy as heat.

Braking torque can be controlled via parameter settings.

6. What are the dimensions of the INVT GD350-055G/075P-45-NS-B?

Detailed dimensions are available in the product datasheet.

Physical size is crucial for panel space planning.

Refer to the official INVT documentation for exact measurements.

7. Does this inverter support fieldbus communication?

Yes, it supports RS485 as standard.

Optional communication cards are available for other protocols.

This allows integration into various automation systems.

8. What is the warranty period for this product?

Warranty terms are set by the distributor or manufacturer.

Typically, industrial drives have a standard warranty period.

Contact your supplier for specific warranty information.

9. How do I perform a motor auto-tuning procedure?

Access the auto-tuning menu on the inverter.

Ensure the motor is disconnected from the load if possible.

Follow the on-screen prompts to initiate the auto-tuning process.

10. What is the IP rating of this inverter?

The standard enclosure for this model is IP20.

This rating protects against solid objects larger than 12.5mm.

Higher IP rated enclosures may be available as special options.