INVT GD350-045G/055P-45-NS-B Goodrive350 NS Series Inverter 45kW to 55kW with Built-in Braking Unit

The INVT GD350-045G/055P-45-NS-B Goodrive350 NS Series Inverter, a robust 45kW to 55kW variable frequency drive, stands out in industrial automation for its integrated braking unit, advanced control algorithms, and exceptional reliability. This unit offers precise motor speed control, energy savings, and enhanced operational efficiency across a wide range of demanding applications. Its core advantages lie in its compact design, superior heat dissipation, and user-friendly interface, making it a superior choice for modern industrial processes. Key technical parameters include a power range from 45kW to 55kW, an input voltage compatibility of 3-phase 380V/400V/415V/440V, and output frequency control up to 400Hz. The built-in braking unit significantly improves deceleration performance and safety.

Product Specifications

| Parameter                | Specification                                      |

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

| Model                    | GD350-045G/055P-45-NS-B                            |

| Series                   | Goodrive350 NS Series                              |

| Rated Power (kW)         | 45 (045G) / 55 (055P)                              |

| Input Voltage (3-Phase)  | 380V/400V/415V/440V                                |

| Output Frequency Range   | 0-400 Hz                                           |

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

| Braking Unit             | Built-in                                           |

| Protection Grade         | IP20                                               |

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

| Dimensions (W x H x D)   | Varies by specific model (refer to detailed specs) |

Core Features & Market Positioning

The INVT Goodrive350 NS Series inverter is engineered for high-performance motor control, boasting advanced sensorless vector control technology that delivers exceptional torque accuracy and dynamic response. This positions it as a competitive solution for industries requiring precise speed regulation, such as in packaging machinery, textile production, and material handling systems. The integrated braking unit is a significant differentiator, simplifying system design and reducing installation costs by eliminating the need for external braking resistors in many applications. Its robust construction and comprehensive protection features ensure longevity and operational stability in challenging industrial environments.

Key Application Scenarios

This 45kW to 55kW inverter is ideally suited for powering demanding industrial equipment. Common applications include high-torque motor drives for extruders, mixers, and conveyors where precise speed and torque control are paramount. Its integrated braking capability makes it highly effective in applications involving load hoisting or rapid deceleration, such as in crane systems and automated warehousing. The Goodrive350 NS Series also excels in pump and fan applications, facilitating significant energy savings through variable speed operation, thereby optimizing energy consumption in HVAC systems and industrial water management.

Practical System Integration Guidance

Integrating the INVT GD350-045G/055P-45-NS-B into an industrial setup involves careful consideration of power and control wiring. Ensure the main power terminals (L1, L2, L3) are connected to a stable 3-phase power supply and that the motor terminals (U, V, W) are correctly terminated. For the braking unit, typically a dedicated terminal (often labeled BR+ and BR-) will connect to an internal or external braking component, but the "built-in" nature of this model suggests seamless integration. Referencing the product manual for specific parameter settings, such as acceleration/deceleration times and over-torque protection, is crucial for optimal performance and motor longevity.

Operation and Risk Mitigation

Operating the Goodrive350 NS Series inverter requires adherence to safety protocols. Always ensure power is disconnected before making any wiring changes. Familiarize yourself with common fault codes displayed on the inverter's interface to quickly diagnose and resolve issues. For instance, an "Overcurrent" fault might indicate a rapid acceleration setting or a motor issue, while an "Overvoltage" fault could point to excessive regenerative energy during deceleration. Proper ventilation and maintaining the ambient temperature within the specified range are critical for preventing overheating and ensuring reliable operation.

Scalability & Long-Term Value

The INVT Goodrive350 NS Series offers a degree of scalability through its ability to control a range of motor sizes within its power class. Its compatibility with various communication protocols, such as Modbus, allows for seamless integration into broader industrial automation systems and SCADA networks, facilitating future expansions and upgrades. This adherence to standard communication interfaces ensures that the inverter can be a part of a digitally connected factory environment, supporting IIoT initiatives and enabling advanced data monitoring for predictive maintenance and process optimization, thus securing long-term operational value.

Frequently Asked Questions

What are the primary benefits of the INVT GD350-045G/055P-45-NS-B inverter?

This inverter offers superior motor control precision and energy efficiency. Its built-in braking unit simplifies system design and reduces costs. Advanced protection features enhance operational reliability.

The precise speed and torque regulation capabilities are critical for demanding industrial tasks. It achieves significant energy savings by optimizing motor operation based on load requirements.

Its robust design ensures longevity and stable performance even in harsh industrial settings. This makes it a cost-effective and dependable automation solution.

How does the built-in braking unit of the Goodrive350 NS Series function?

The integrated braking unit allows the motor to decelerate rapidly and safely. It dissipates excess kinetic energy generated during deceleration.

This functionality is vital for applications requiring quick stops, such as hoists and conveyors. It helps prevent over-speed conditions and improves system responsiveness.

By being built-in, it eliminates the need for external braking components, streamlining installation and reducing system complexity.

What types of industrial motors are compatible with the INVT GD350-045G/055P-45-NS-B?

This inverter is designed to control standard 3-phase induction motors. It supports both asynchronous and permanent magnet synchronous motors.

The control modes, including sensorless vector control, optimize performance for various motor types. Users can configure parameters to match specific motor characteristics.

It is crucial to ensure the motor's rated power and voltage are within the inverter's specified range for safe and efficient operation.

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

Overcurrent (OC) faults often indicate rapid acceleration or motor short circuits. Reduce acceleration time or check motor wiring.

Overvoltage (OV) faults can occur during deceleration due to regenerative energy. Adjust deceleration settings or consider adding a braking resistor if persistent.

Other common faults include Overload (OL) and Ground Fault (GF). These require checking motor load and insulation resistance respectively.

How can I ensure optimal energy savings with the Goodrive350 NS Series inverter?

Utilize variable speed control to match motor speed to the actual load demand. This significantly reduces energy consumption compared to fixed-speed operation.

Properly configure V/f or vector control modes for your specific application. Fine-tune parameters like acceleration and deceleration to avoid unnecessary energy waste.

Monitor motor performance and adjust settings as needed. Regular maintenance ensures the inverter and motor operate at peak efficiency.

What is the typical power range and input voltage for this INVT inverter?

The model number indicates a power range from 45kW to 55kW. Specific variants, like 045G and 055P, denote these power outputs.

It operates on a 3-phase power supply with standard industrial voltages. Commonly supported input voltages include 380V, 400V, 415V, and 440V.

Always verify the exact input voltage requirements against your local power grid specifications to ensure compatibility.

What are the key advantages of using sensorless vector control on this inverter?

Sensorless vector control provides precise motor speed and torque regulation without external encoders. This reduces system complexity and cost.

It offers excellent dynamic performance, enabling rapid responses to load changes. This is crucial for applications requiring high accuracy and stability.

The control algorithm compensates for motor variations, ensuring consistent performance across different operating conditions.

Can the INVT GD350-045G/055P-45-NS-B be integrated into a network for remote monitoring?

Yes, this inverter series typically supports communication protocols like Modbus. This allows for integration into SCADA systems or PLC networks.

Remote monitoring enables real-time data acquisition on motor speed, load, and fault status. This facilitates better operational oversight and troubleshooting.

Network integration also allows for remote parameter adjustments and control commands, enhancing automation capabilities.

What safety precautions should be taken during installation and operation?

Always disconnect power before performing any wiring or maintenance. Ensure proper grounding of the inverter and motor to prevent electrical hazards.

Operate the inverter within its specified ambient temperature and humidity limits. Ensure adequate ventilation to prevent overheating.

Familiarize yourself with the emergency stop procedures and fault reset functions for safe operational control.

What is the IP rating of this Goodrive350 inverter and what does it signify?

The Goodrive350 NS Series inverter typically has an IP20 protection rating. This means it is protected against solid objects larger than 12.5mm.

However, it offers no protection against water ingress. Therefore, it must be installed in a clean, dry environment or within an enclosure providing further protection.

This rating is common for in-panel mounted industrial equipment. It indicates a need for environmental consideration during system design.