INVT GD350-075G/090P-45-NS-B Goodrive350 NS Series Inverter 75kW to 90kW with Built-in Braking Unit

The INVT GD350-075G/090P-45-NS-B Goodrive350 NS Series Inverter stands as a robust solution for demanding industrial applications, offering a power range from 75kW to 90kW and featuring an integrated braking unit for enhanced control and safety. This inverter is engineered for superior performance, energy efficiency, and reliability, making it a prime choice for heavy-duty motor control. Its advanced features include precise speed regulation, high starting torque, and comprehensive protection functions, all contributing to optimized operational efficiency and extended equipment lifespan.

Product Specifications

| Parameter              | Value                                 |

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

| Model                  | GD350-075G/090P-45-NS-B               |

| Series                 | Goodrive350 NS Series                 |

| Power Range            | 75kW to 90kW                          |

| Input Voltage          | 3-Phase, 380V-460V (45kW refers to output rating) |

| Output Frequency       | 0-3000 Hz                             |

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

| Braking Unit           | Built-in                              |

| Protection Features    | Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault, Overheating, etc. |

| Communication Options  | RS485, optional fieldbus modules      |

Core Features & Market Positioning

The INVT Goodrive350 NS Series inverter differentiates itself through its advanced sensorless vector control, which delivers exceptional dynamic performance and precise speed accuracy, even under fluctuating loads. This capability positions it strongly for applications requiring tight process control and responsiveness, such as in material handling, pumps, and fans. The integrated braking unit is a significant advantage, simplifying installation and reducing the need for external braking components, thereby lowering overall system cost and complexity. INVT's commitment to robust design and user-friendly interfaces further solidifies its market standing as a reliable and cost-effective industrial automation partner.

Key Application Scenarios

Engineered for versatility, the INVT GD350-075G/090P-45-NS-B is ideally suited for a wide array of industrial applications where precise motor control and high power are essential. This includes heavy-duty fan and pump systems in HVAC and water treatment, conveyor systems in logistics and manufacturing, extruders and mixers in chemical and food processing, and machine tools requiring accurate speed and torque management. The built-in braking unit is particularly beneficial in applications involving significant inertia or requiring rapid deceleration, ensuring operational safety and efficiency.

Practical System Integration Guidance

Integrating the INVT GD350-075G/090P-45-NS-B into existing systems is streamlined due to its standard communication protocols and robust electrical connections. For optimal performance, ensure proper wiring of the power input, motor output, and braking resistor (if external braking is utilized beyond the built-in unit's capacity). Parameter configuration for sensorless vector control typically involves setting motor nameplate data and tuning specific gains for optimal torque response. The built-in braking unit should be correctly sized and connected to dissipate braking energy effectively, preventing overvoltage during deceleration.

Operation and Risk Mitigation

Safe and efficient operation of the INVT Goodrive350 NS Series inverter hinges on adhering to installation guidelines and understanding its protective features. Always ensure proper grounding and ventilation to prevent overheating and electrical hazards. Common troubleshooting may involve diagnosing fault codes related to overcurrent, overvoltage, or motor connection issues. For instance, an F001 fault (Overcurrent) might indicate a motor short circuit, rapid acceleration setting too high, or an undersized braking unit. Referencing the user manual for specific fault code interpretations and recommended actions is crucial for minimizing downtime and ensuring personnel safety.

Scalability & Long-Term Value

The INVT GD350 NS Series inverter offers significant long-term value through its robust design and compatibility with modern industrial communication standards. While the GD350-075G/090P-45-NS-B is a powerful unit, INVT's broader Goodrive series provides a scalable range, allowing for system expansion or upgrades as operational demands evolve. Integration with IIoT platforms is facilitated via optional communication modules, enabling remote monitoring, diagnostics, and predictive maintenance, thereby enhancing operational intelligence and supporting Industry 4.0 initiatives.

Frequently Asked Questions

Q1: What is the primary advantage of the built-in braking unit in the INVT GD350 inverter?

The built-in braking unit enhances motor deceleration control. It actively dissipates excess energy during braking phases. This integration simplifies system design and reduces installation costs.

Q2: How does the sensorless vector control benefit industrial applications?

Sensorless vector control offers precise speed and torque regulation. It excels in dynamic performance under varying loads. This technology is vital for applications needing high accuracy and responsiveness.

Q3: What is the typical input voltage range for the INVT GD350-075G/090P-45-NS-B?

The inverter operates on a 3-phase power supply. The standard input voltage is between 380V and 460V. This range is common in industrial electrical systems worldwide.

Q4: What are common applications for this 75kW to 90kW inverter?

This inverter is ideal for heavy-duty pumps and fans. It's also used in material handling and processing machinery. Applications requiring high starting torque benefit greatly.

Q5: What safety precautions should be taken during installation?

Ensure proper grounding of the unit and motor. Maintain adequate ventilation to prevent overheating. Always follow local electrical codes and safety standards.

Q6: How can I connect external communication modules to the inverter?

Consult the inverter's user manual for port locations. Install the chosen fieldbus module securely. Configure communication parameters in the inverter's menu.

Q7: What does an "Overcurrent" fault code on this inverter indicate?

An overcurrent fault typically signals excessive current draw. This can stem from rapid acceleration settings. It might also point to motor issues or an undersized braking solution.

Q8: Can this inverter be integrated with SCADA systems?

Yes, with appropriate communication modules. RS485 is standard, supporting Modbus RTU. Optional modules enable compatibility with other industrial protocols.

Q9: What is the importance of motor parameter tuning for the GD350?

Accurate motor parameter tuning is crucial for performance. It optimizes speed and torque control accuracy. This ensures the inverter operates efficiently and safely.

Q10: Does INVT offer scalable solutions beyond this specific model?

Yes, INVT provides a wide range of VFDs. The Goodrive series offers various power ratings and features. This allows for system expansion as needs grow.