INVT GD350-090G/110P-45-AS-B Goodrive350 AS Series Inverter 90kW to 110kW Integrated Braking Unit

The INVT Goodrive350 AS Series inverter, specifically the GD350-090G/110P-45-AS-B model, represents a powerful and versatile solution for variable speed drive applications, offering a robust power range from 90kW to 110kW with an integrated braking unit. This advanced inverter is engineered to deliver exceptional performance, energy efficiency, and reliability across demanding industrial environments. Its key advantages include precise motor control, enhanced energy savings, and a compact, user-friendly design, making it a preferred choice for system integrators and end-users seeking high-performance automation. The GD350-090G/110P-45-AS-B boasts a nominal power output of 90kW in standard applications and 110kW in heavy-duty applications, with an input voltage compatibility of 380-440V AC. It features advanced control algorithms for induction and permanent magnet motors, a built-in dynamic braking unit capable of dissipating significant braking energy, and a comprehensive suite of protection functions to ensure operational safety and longevity.

Product Specifications

| Parameter                 | Specification                                       |

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

| Model                     | GD350-090G/110P-45-AS-B                             |

| Rated Power (Standard)    | 90 kW                                               |

| Rated Power (Heavy Duty)  | 110 kW                                              |

| Input Voltage             | 380-440V AC                                         |

| Output Frequency          | 0-400 Hz                                            |

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

| Overload Capacity (HD)    | 150% for 60s                                        |

| Braking Unit              | Integrated Dynamic Braking Unit                     |

| Protection Grade          | IP20                                                |

| Ambient Temperature       | -10°C to 50°C (derating may apply)                  |

| Communication Interfaces  | RS485 (Modbus RTU), optional fieldbus modules       |

Core Features & Market Positioning

The INVT Goodrive350 AS Series inverter distinguishes itself in the competitive industrial automation market through its intelligent design and superior performance characteristics. Its advanced vector control algorithm, coupled with a high-performance DSP, enables precise speed and torque regulation, even under fluctuating load conditions. The integrated dynamic braking unit is a significant differentiator, offering substantial braking torque without the need for external braking resistors in many applications, thereby reducing installation costs and footprint. This feature is particularly valuable in applications requiring frequent stops or rapid deceleration, such as in material handling systems and hoists. The inverter's robust construction and comprehensive protection mechanisms position it as a reliable workhorse for continuous operation in harsh industrial environments, ensuring minimal downtime and maximum productivity.

Key Application Scenarios

The versatility and robust performance of the INVT GD350-090G/110P-45-AS-B make it an ideal choice for a wide array of industrial applications. It excels in driving centrifugal fans and pumps, where its energy-saving capabilities significantly reduce operational costs by precisely matching motor speed to system demand. In the manufacturing sector, it is widely applied to conveyors, extruders, and mixers, providing the necessary torque and control for consistent product quality and efficient production throughput. Furthermore, its integrated braking function makes it suitable for applications involving vertical motion, such as elevators, cranes, and hoists, ensuring safe and controlled movement. The inverter's adaptability also extends to the oil and gas industry and water treatment facilities, where reliable and efficient operation is paramount.

Practical System Integration Guidance

Integrating the INVT GD350-090G/110P-45-AS-B into existing or new systems is streamlined by its thoughtful design. Proper wiring is critical for optimal performance and safety; the input power terminals (L1, L2, L3) and output terminals (T1, T2, T3) should be connected with appropriately sized copper conductors to handle the high currents. Grounding connections must be robust to ensure safety and prevent electrical noise. For control signals, terminal block connections for digital inputs, analog inputs, and relay outputs facilitate easy integration with PLCs and other control devices. Parameter programming is intuitive via the integrated keypad or through the RS485 communication port using INVT's configuration software. Key parameters for initial setup include motor data (rated power, voltage, current, poles), application type (V/f, SVC, or vector), and desired control mode. Enabling the integrated braking unit is typically a simple parameter setting, and its activation thresholds can be adjusted to match application requirements.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-090G/110P-45-AS-B is paramount. Before energizing the drive, ensure all external wiring is secure and correct, and that the inverter is properly grounded. During commissioning, gradually ramp up the motor speed and monitor for any unusual noises or vibrations. The inverter features extensive protection functions, including overcurrent, overvoltage, undervoltage, motor overload, heatsink over-temperature, and short circuit protection, which will trigger fault codes for diagnosis. Common fault codes like "OC" (Overcurrent) or "OL" (Overload) typically indicate that the motor is drawing more current than the drive is programmed to allow, potentially due to a mechanical issue, undersized motor, or incorrect parameter settings. Addressing these requires careful inspection of the driven load and review of the inverter's configuration. Implementing a regular maintenance schedule, including checking for dust accumulation on heatsinks and ensuring proper ventilation, further mitigates operational risks and extends the product's lifespan.

Scalability & Long-Term Value

The INVT Goodrive350 AS Series inverter is designed with scalability and long-term value in mind. Its modular design and availability of optional communication cards, such as Profibus, DeviceNet, or EtherNet/IP modules, allow for seamless integration into various industrial networks and distributed control systems, supporting the evolution towards Industry 4.0 and the Industrial Internet of Things (IIoT). This connectivity enables remote monitoring, diagnostics, and control, enhancing operational efficiency and facilitating predictive maintenance strategies. The inverter's robust build quality and INVT's commitment to continuous product development ensure that it remains a viable and efficient solution for many years, offering a strong return on investment through energy savings and reduced maintenance requirements. Compatibility with a broad range of motor types, including induction and permanent magnet motors, further adds to its long-term applicability.

Frequently Asked Questions

What is the primary advantage of the INVT GD350-090G/110P-45-AS-B inverter?

The primary advantage is its high power density and integrated braking unit. This combination offers superior control and braking capabilities for demanding applications within a compact footprint. It allows for precise speed and torque regulation, leading to significant energy savings.

This integrated braking solution simplifies system design and reduces the need for external braking components. The inverter's robust design ensures reliability in challenging industrial environments, minimizing downtime.

Its advanced control algorithms optimize motor performance, delivering efficiency and responsiveness across various load conditions. This makes it a cost-effective and high-performance solution for critical industrial processes.

How does the integrated braking unit on the GD350-090G/110P-45-AS-B work?

The integrated braking unit dissipates excess kinetic energy generated during deceleration. When the motor is slowing down, it acts as a generator, producing energy. The braking unit absorbs this energy, converting it into heat via braking resistors within the unit.

This process prevents the DC bus voltage within the inverter from rising excessively, which could otherwise lead to a fault condition. The system actively manages braking torque to ensure controlled and safe stops.

The unit is designed to handle significant braking power, reducing wear on mechanical braking systems and improving overall process control. Its internal integration simplifies wiring and reduces installation complexity compared to external braking solutions.

What are the typical applications for the INVT GD350-090G/110P-45-AS-B?

This inverter is well-suited for heavy-duty applications requiring precise speed control and significant braking torque. Common uses include large fans and pumps in HVAC and water treatment, conveyors in manufacturing and logistics, and extruders in plastics processing.

It is also ideal for lifting equipment such as cranes, hoists, and elevators where controlled acceleration and deceleration are critical for safety and operational efficiency. Its robust design ensures performance in sectors like mining and metallurgy.

The inverter's versatility also extends to applications in the oil and gas industry, textile machinery, and general industrial machinery requiring reliable variable speed control and dynamic braking capabilities.

What kind of motor control does the GD350-090G/110P-45-AS-B support?

The GD350-090G/110P-45-AS-B supports multiple advanced motor control methods. These include V/f control for simpler applications, Sensorless Vector Control (SVC) for improved dynamic response and torque control without encoders, and full Vector Control for the highest precision in speed and torque regulation.

This flexibility allows users to select the most appropriate control strategy based on the specific application requirements. It ensures optimal performance for both induction motors and permanent magnet synchronous motors (PMSM).

The ability to adapt the control mode enhances energy efficiency and provides precise process automation, making the inverter suitable for a wide spectrum of industrial machinery.

How do I connect the INVT GD350-090G/110P-45-AS-B to a PLC?

Connecting the inverter to a PLC is typically achieved via its communication ports or digital/analog I/O terminals. The standard RS485 port with Modbus RTU protocol is a common method for digital communication with most PLCs.

Alternatively, optional fieldbus modules for protocols like Profibus, DeviceNet, or EtherNet/IP can be installed for direct integration into specific industrial automation networks. Digital inputs can be used for basic commands like start/stop or fault reset.

Analog inputs can receive speed reference signals (e.g., 0-10V or 4-20mA) from the PLC, while relay outputs can signal the inverter's status (e.g., running, fault, at speed) back to the PLC for system monitoring.

What are the power ratings of the GD350-090G/110P-45-AS-B inverter?

This specific model, GD350-090G/110P-45-AS-B, offers dual power ratings based on operating conditions. It is rated for 90kW in standard duty (G) applications and 110kW in heavy-duty (P) applications.

The distinction between standard and heavy-duty relates to overload capacity and duty cycle. Heavy-duty applications typically involve higher starting torques or frequent short-term overloads.

Users must select the appropriate duty mode and ensure the motor's power rating is compatible with the inverter's selected rating for reliable operation.

What safety features are included in the GD350-090G/110P-45-AS-B?

The inverter is equipped with comprehensive built-in protection functions to safeguard both the drive and the connected motor. These include protection against overcurrent, overvoltage, undervoltage, motor overload, and heatsink over-temperature.

It also offers protection against short circuits at the output, ground faults, and stalls. These features help prevent damage during abnormal operating conditions and ensure a safe working environment.

The drive also supports Safe Torque Off (STO) functionality, a critical safety feature that ensures the motor cannot be unintentionally energized, which is essential for compliance with machine safety standards.

How can I perform initial parameter setup for the GD350-090G/110P-45-AS-B?

Initial parameter setup begins with entering basic motor data, such as rated power, voltage, current, frequency, and pole count. This is crucial for the inverter to accurately control the motor.

Next, select the appropriate control mode (V/f, SVC, or Vector) based on application requirements for performance and accuracy. Configure I/O assignments for digital and analog inputs/outputs to integrate with external control signals.

Finally, set up protection parameters and alarm thresholds according to the application's needs and consult the user manual for specific recommended settings for common scenarios.

What is the ambient temperature range for operating the GD350-090G/110P-45-AS-B?

The INVT GD350-090G/110P-45-AS-B is designed to operate within an ambient temperature range of -10°C to 50°C. However, performance derating may be required at the higher end of this temperature range.

Operating above 50°C can lead to premature component aging and potential drive shutdown due to overheating. It is crucial to ensure adequate ventilation and consider derating the inverter's output current if operating in higher ambient temperatures.

Conversely, operating at extremely low temperatures below -10°C may also require special considerations, such as allowing sufficient time for internal components to warm up before operation, to prevent damage.

Does the GD350-090G/110P-45-AS-B support permanent magnet motors?

Yes, the INVT GD350-090G/110P-45-AS-B inverter fully supports permanent magnet synchronous motors (PMSM). It is equipped with advanced control algorithms, including Vector Control, specifically optimized for PMSM drives.

Utilizing Vector Control with PMSM motors allows for exceptionally high efficiency, precise torque control, and excellent dynamic performance. This combination is ideal for applications demanding superior energy savings and responsiveness.

When configuring for PMSM, ensure you input the correct motor parameters for optimal performance and to leverage the full capabilities of the inverter in such applications.