INVT GD350-055G/075P-45-AS-B Goodrive350 AS Series Inverter 55kW to 75kW Integrated Braking Unit

The INVT GD350-055G/075P-45-AS-B Goodrive350 AS Series Inverter, a robust 55kW to 75kW variable frequency drive, stands out for its integrated braking unit, advanced control algorithms, and robust design, making it a superior choice for demanding industrial applications. This VFD offers exceptional power density and efficiency, ensuring optimal performance across a wide spectrum of operational demands. Its key advantages lie in its high starting torque capabilities, precise speed control, and advanced protection features, all contributing to enhanced system reliability and reduced operational costs. The integrated braking unit is a critical component, providing rapid deceleration and safe stopping of motor loads, which is vital in applications with frequent starts and stops.

Product Specifications

| Parameter             | Specification                                          |

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

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

| Power Range           | 55kW to 75kW                                           |

| Series                | Goodrive350 AS                                         |

| Braking Unit          | Integrated                                             |

| Input Voltage         | 3-Phase 400V/480V Class                                |

| Output Voltage        | Matches Input Voltage                                  |

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

| Overload Capacity     | 150% for 60s, 180% for 10s (or 110%/120% as per spec) |

| Protection Features   | Over-voltage, Under-voltage, Overload, Overtemperature, etc. |

| Communication Options | Modbus, Profibus (optional)                            |

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

Core Features & Market Positioning

The INVT Goodrive350 AS Series, particularly the GD350-055G/075P-45-AS-B, is positioned as a high-performance industrial inverter that balances advanced technological features with practical operational benefits. Its market strength is derived from its sophisticated sensorless vector control, which delivers precise motor speed and torque regulation even without encoder feedback, a significant advantage in many industrial settings. The integrated braking unit is a standout feature, simplifying system design and reducing installation costs by eliminating the need for external braking modules in many applications. This positions the inverter as a cost-effective and space-saving solution. Furthermore, its robust build quality and comprehensive protection functions underscore its reliability in harsh industrial environments, a key differentiator in a competitive market.

Key Application Scenarios

This INVT GD350-055G/075P-45-AS-B inverter is exceptionally well-suited for a diverse range of industrial applications where precise motor control and dynamic braking are paramount. It excels in pump and fan applications, optimizing energy consumption through variable speed operation. In material handling systems, such as conveyors and elevators, its high starting torque and reliable stopping capabilities ensure smooth and efficient movement of goods. The machine tool industry benefits from its precise speed regulation for complex machining operations. Additionally, it finds critical use in compressors, extruders, and various manufacturing processes requiring robust performance and safety features, especially where emergency stops or controlled deceleration is a requirement.

Practical System Integration Guidance

Integrating the INVT GD350-055G/075P-45-AS-B into an existing or new system requires careful attention to power wiring, control wiring, and parameter configuration. Ensure the power supply is correctly connected to the main input terminals (L1, L2, L3) and the motor is wired to the output terminals (T1, T2, T3), adhering to the specified cable gauges for the 55kW to 75kW power range. For the integrated braking unit, connect the braking resistor to the designated terminals (DB1, DB2) to dissipate braking energy effectively. Control wiring for digital inputs/outputs and analog inputs should follow the terminal block diagram provided in the user manual to enable functions like start/stop commands, speed reference signals, and fault signaling. Initial parameter setup should focus on motor auto-tuning, setting appropriate acceleration/deceleration times, and configuring overload protection levels based on the motor's nameplate data and application requirements.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-055G/075P-45-AS-B relies on understanding its operational parameters and potential fault conditions. Before commissioning, verify that all safety interlocks are correctly wired and functional, especially those related to the integrated braking unit and emergency stop circuits. During operation, monitor key parameters such as output current, voltage, and frequency via the display or communication interface to detect anomalies early. Common fault codes, such as 'Overcurrent' (OC), 'Overvoltage' (OV), and 'Overtemperature' (OT), often indicate issues with motor load, power supply stability, or ventilation. Addressing these faults promptly by consulting the troubleshooting guide in the product manual is crucial to prevent equipment damage and ensure operational continuity. Proper installation within a well-ventilated enclosure is vital to prevent overheating and maintain the inverter's performance and longevity.

Scalability & Long-Term Value

The INVT Goodrive350 AS Series inverter offers significant scalability and long-term value, particularly the GD350-055G/075P-45-AS-B model. Its modular design and availability of optional communication modules, such as Profibus or DeviceNet, allow for seamless integration into advanced industrial automation systems and IIoT platforms. This enables remote monitoring, diagnostics, and control, crucial for modern smart factories. The inverter's robust construction and comprehensive protection features contribute to a longer service life, reducing the total cost of ownership. Furthermore, INVT's commitment to firmware updates and ongoing technical support ensures that the inverter remains compatible with evolving industry standards and technologies, providing a secure investment for future operational upgrades and expansions.

Frequently Asked Questions

1. What is the primary advantage of the integrated braking unit in the INVT GD350-055G/075P-45-AS-B?

The integrated braking unit simplifies system design. It eliminates the need for external braking modules. This saves space and reduces installation complexity.

This feature allows for rapid deceleration. It ensures safe and controlled motor stops. This is vital for applications with frequent starts and stops.

It improves system safety and reliability. It also contributes to cost savings. The unit is built directly into the inverter for efficiency.

2. How does the sensorless vector control feature benefit industrial applications?

Sensorless vector control provides precise motor speed. It also regulates torque without an encoder. This is crucial for demanding applications.

This advanced control method enhances performance. It ensures smooth operation and accurate positioning. It is ideal for pumps, fans, and conveyors.

It simplifies installation by omitting external sensors. This reduces cost and potential failure points. The inverter offers high performance with less complexity.

3. What are the key technical specifications for the GD350-055G/075P-45-AS-B model?

This inverter supports a 55kW to 75kW power range. It operates on a 3-Phase 400V/480V input. The output voltage matches the input.

It features robust overload capacity. This allows for 150% for 60 seconds. It also has integrated protection against faults.

Its operating temperature is -10°C to +40°C. It uses advanced control methods like sensorless vector control.

4. Can the INVT GD350-055G/075P-45-AS-B be integrated into existing automation systems?

Yes, this inverter supports optional communication modules. These include Profibus and Modbus protocols. This allows for easy integration.

It enables remote monitoring and control. This is essential for IIoT and smart factory setups. It provides flexibility in system design.

The inverter is designed for broad compatibility. It integrates well with PLCs and SCADA systems. This ensures a future-proof solution.

5. What are common fault codes for this inverter and how can they be addressed?

Common faults include Overcurrent (OC) and Overvoltage (OV). These often relate to motor load or power supply issues. Check wiring and motor for issues.

Overtemperature (OT) faults indicate cooling problems. Ensure proper ventilation and ambient temperature. Check fan operation and filter cleanliness.

Consult the product manual for specific codes. It provides detailed troubleshooting steps. Promptly addressing faults prevents damage.

6. What types of industrial machinery are ideal for the Goodrive350 AS Series inverter?

This inverter is excellent for pumps and fans. It optimizes energy use with speed control. It is also suitable for material handling like conveyors.

Machine tools benefit from precise speed regulation. Compressors and extruders are other key applications. Any process needing variable speed is a good fit.

Its robust design handles demanding environments. The integrated braking is a plus for critical machinery. It ensures reliable operation.

7. How does the inverter handle overload conditions during operation?

The inverter is built for high overload capacity. It can handle 150% of rated current for 60 seconds. This is crucial for machinery with high starting torque needs.

It also provides a higher overload for shorter periods. This is typically 180% for 10 seconds. This ensures reliable operation during peak demands.

The system features protective relays. These safeguard the motor and inverter from damage. It ensures operational safety and longevity.

8. What are the environmental operating conditions for the INVT GD350-055G/075P-45-AS-B?

The inverter is designed to operate in a specific temperature range. It is rated for -10°C to +40°C. Operation outside this range requires derating.

Proper ventilation is crucial for optimal performance. It should be installed in a clean, dry environment. Avoid dusty or humid conditions.

The unit is robust but still requires consideration. Following installation guidelines ensures longevity. It maintains performance and reliability.

9. What are the benefits of using INVT products for long-term industrial value?

INVT products are known for their reliability. The Goodrive350 AS Series is built to last. This reduces maintenance costs over time.

The company offers firmware updates. This ensures the inverter remains technologically current. It provides a secure and evolving investment.

INVT also provides strong technical support. This helps with integration and troubleshooting. It ensures a seamless user experience.

10. What is the role of the AS Series in the Goodrive350 product line?

The AS Series signifies advanced features. It includes enhanced control algorithms. This ensures superior performance in demanding applications.

The GD350-055G/075P-45-AS-B is a prime example. It incorporates an integrated braking unit. This makes it highly competitive.

This series is positioned for high-end industrial use. It offers a balance of power, control, and efficiency. It meets stringent application requirements.