INVT GD350-055G/075P-45-AS Goodrive350 AS Series Book Size Inverter 55kW to 75kW Power Delivery

The INVT GD350-055G/075P-45-AS Goodrive350 AS Series Book Size Inverter delivers robust performance for demanding industrial applications, offering a power range from 55kW to 75kW. This advanced variable frequency drive (VFD) distinguishes itself with exceptional motor control capabilities, enhanced energy efficiency, and a compact, book-size design ideal for space-constrained environments. Its core advantages lie in its precise speed regulation, superior torque response, and integrated advanced protection features, ensuring operational reliability and longevity. Key technical parameters include a nominal output power of 55kW (GD350-055G) and 75kW (GD350-075P), an input voltage range suitable for 3-phase 400V/450V systems, and a sophisticated control algorithm supporting various motor types, including asynchronous and permanent magnet synchronous motors.

Product Specifications

| Parameter                | Value                                              |

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

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

| Series                   | Goodrive350 AS                                     |

| Power Range              | 55kW (055G) to 75kW (075P)                         |

| Input Voltage            | 3-Phase, 400V/450V                                 |

| Output Frequency         | 0-3000 Hz                                          |

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

| Protection Level         | IP20                                               |

| Mounting Type            | Book Size, Wall/Panel Mount                        |

| Communication Interfaces | Optional: RS485, CANopen, Profibus, Ethernet/IP    |

| Braking Unit             | Integrated (optional external braking resistor)    |

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

Core Features & Market Positioning

The INVT Goodrive350 AS Series inverter is engineered for superior motor control, employing advanced sensorless vector control algorithms to deliver precise speed and torque management even under dynamic load conditions. This capability positions it as a high-performance solution for applications requiring accurate process control and energy savings. The AS series emphasizes intelligent operation with features like automatic energy saving, automatic voltage adjustment, and comprehensive motor parameter auto-tuning, simplifying setup and optimizing performance. Its compact book-size form factor is a significant differentiator in crowded control cabinets, facilitating easier integration and reducing overall system footprint, which is highly valued in modern industrial automation.

Key Application Scenarios

The versatility of the INVT GD350-055G/075P-45-AS makes it suitable for a wide array of industrial applications. It excels in pump and fan control, where its precise speed regulation contributes to significant energy savings by matching motor output to system demand. For material handling systems, such as conveyors and cranes, the inverter's robust torque control ensures smooth acceleration and deceleration, preventing product damage and improving operational efficiency. It is also a strong choice for machine tools, extruders, and other process industries requiring dynamic motor performance and high-accuracy speed synchronization.

Practical System Integration Guidance

Integrating the INVT Goodrive350 AS Series inverter into existing systems is streamlined by its user-friendly design and comprehensive communication options. Proper wiring is crucial; ensure the main power terminals are connected according to the manual, paying close attention to grounding and earth leakage protection. For optimal performance, parameter configuration should begin with motor auto-tuning to calibrate the drive to the specific motor characteristics. Utilizing the optional communication modules allows for seamless integration into SCADA or PLC-based control systems, enabling remote monitoring and control. The built-in braking unit provides effective deceleration control, and for higher braking torque requirements, an external braking resistor can be connected.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-055G/075P-45-AS relies on adherence to operational guidelines and proactive risk mitigation. Always ensure the inverter is installed in a well-ventilated area to maintain optimal operating temperatures and prevent derating. Familiarize yourself with common fault codes, such as overcurrent (F001), overvoltage (F002), and motor overload (F003), and consult the user manual for specific troubleshooting steps. Implementing appropriate safety interlocks and emergency stop circuits is paramount to protect personnel and equipment during operation and maintenance. Regular inspection of power connections and cooling fans will prevent potential failures.

Scalability & Long-Term Value

The INVT Goodrive350 AS Series is designed with scalability and long-term value in mind. Its modular communication options allow for flexible integration with evolving industrial networks, including support for industrial Ethernet protocols, facilitating adoption of Industry 4.0 and IIoT solutions. Compatibility with a wide range of motor types, including asynchronous and permanent magnet synchronous motors, provides flexibility for future equipment upgrades or replacements. The inherent energy-saving features and robust design contribute to a lower total cost of ownership by reducing energy consumption and minimizing downtime.

FAQs

Q1: What are the primary advantages of the INVT GD350-055G/075P-45-AS inverter?

The INVT GD350-055G/075P-45-AS offers superior motor control via advanced sensorless vector technology for precise speed and torque. It boasts significant energy savings through intelligent control algorithms and automatic optimization features. Its compact book-size design is a key advantage for space-constrained industrial environments.

This VFD delivers high performance with a wide output frequency range and supports various motor types, enhancing application flexibility. Integrated protection functions ensure operational reliability and reduce the risk of equipment damage. It is designed for seamless integration into modern automation systems.

The combination of advanced features, energy efficiency, and a space-saving form factor makes it a cost-effective and high-value solution for demanding industrial processes. Its robust construction promotes longevity and reduces maintenance requirements.

Q2: How does the sensorless vector control of the Goodrive350 AS Series improve performance?

Sensorless vector control allows the inverter to accurately regulate motor speed and torque without requiring a motor encoder feedback. This technology provides excellent dynamic response to load changes, crucial for applications like cranes and extruders. It ensures smooth acceleration and deceleration, preventing mechanical stress.

The precise torque control offered by this method enhances process accuracy, leading to higher quality output in manufacturing and material processing. It also enables the motor to operate at optimal efficiency levels across a wider speed range, contributing to energy savings.

By eliminating the need for an encoder, the system complexity and cost are reduced, and installation is simplified. This makes the INVT GD350-055G/075P-45-AS a practical choice for many industrial scenarios where encoder reliability might be a concern.

Q3: What are the key technical specifications of the INVT GD350-055G/075P-45-AS?

The inverter is available in two power variants: 55kW for the GD350-055G and 75kW for the GD350-075P, both designed for 3-phase 400V/450V input. It features an output frequency range of 0-3000 Hz and supports both sensorless vector control and V/f control methods. The unit has an IP20 protection rating and is built in a book-size format for easy mounting.

Additional specifications include an operating temperature range of -10°C to +40°C, with derating required above this threshold. It supports various optional communication interfaces such as RS485, CANopen, Profibus, and Ethernet/IP for seamless system integration. An integrated braking unit is standard, with provisions for external braking resistors.

The drive is capable of automatic motor parameter tuning and offers advanced features like automatic energy saving and automatic voltage adjustment. These specifications highlight its suitability for demanding, precise industrial control applications requiring flexibility and reliability.

Q4: What types of motors can be controlled by the Goodrive350 AS Series inverter?

The INVT Goodrive350 AS Series inverter is highly versatile and can effectively control both asynchronous (induction) motors and permanent magnet synchronous motors (PMSM). This broad compatibility allows users to leverage advanced control features with a wide range of existing or new motor installations. The drive's auto-tuning function helps optimize performance for specific motor types.

Its sophisticated control algorithms, particularly the sensorless vector control, are designed to extract maximum performance from these motor types. This enables precise speed and torque management, even in challenging applications where motor characteristics may vary. The inverter adapts to different motor parameters for optimal efficiency.

This flexibility in motor compatibility means the GD350-055G/075P-45-AS can be applied across diverse industrial sectors without requiring specialized drives for different motor technologies. This simplifies inventory and maintenance for facilities using a mix of motor types.

Q5: What are common applications for the 55kW to 75kW power range of this inverter?

In the 55kW to 75kW range, this inverter is ideal for heavy-duty industrial applications. It is frequently used in large pump and fan systems for process control, HVAC, and water management, where precise flow and pressure regulation are essential for energy efficiency. These power ratings are also suitable for large conveyor systems and material handling equipment in manufacturing and logistics.

This power class is well-suited for driving large extruders, mixers, and crushers in the chemical, plastics, and mining industries, requiring high starting torque and robust operation. It can also power large machine tools, CNC machinery, and industrial automation lines that demand high precision and dynamic response.

Other significant applications include large-scale textile machinery, paper production equipment, and metal processing machinery. The inverter's ability to handle high power loads while maintaining precise control makes it a critical component in these demanding industrial environments.

Q6: How do I integrate the INVT GD350-055G/075P-45-AS into an existing control system?

Integration involves connecting the inverter's power input to the main supply and its output to the motor, ensuring all connections are secure and correctly phased. For communication, install the appropriate optional communication module (e.g., RS485, Profibus) and wire it to your PLC or central control system. Configure the communication parameters on both the inverter and the control system to establish a data link.

Parameter configuration is critical; begin by performing the motor auto-tuning function to match the inverter's settings to your specific motor. Then, adjust operating parameters such as acceleration/deceleration times, speed references, and I/O assignments based on your application's requirements. Program your PLC to send speed commands and receive feedback from the inverter.

Consider safety interlocks and emergency stop circuits, wiring them into the inverter's control input terminals to ensure safe operation. Refer to the detailed wiring diagrams and communication protocol specifications in the user manual for precise instructions tailored to your setup.

Q7: What are some common troubleshooting steps for INVT Goodrive350 AS Series errors?

When an error occurs, the first step is to check the inverter's display for a fault code. Consult the user manual to identify the specific fault and its potential causes. Common faults include overcurrent (F001), overvoltage (F002), undervoltage (F004), and motor overload (F003).

For electrical faults like overcurrent or overvoltage, verify motor wiring for short circuits, check for excessive acceleration rates, and ensure the power supply is stable. If the fault persists, inspect the motor and cables for insulation issues. For motor overload faults, confirm the motor is not mechanically overloaded or that the inverter's overload settings are correctly configured for the motor's rating.

If the issue is related to cooling, check the inverter's fan operation and ensure adequate ventilation. For communication errors, verify wiring integrity and verify that communication parameters on both the inverter and the master device are identical. Always ensure the power is safely disconnected before performing any physical inspections or component checks.

Q8: What are the power delivery capabilities of the INVT GD350-055G/075P-45-AS?

The INVT GD350-055G/075P-45-AS delivers variable power output ranging from 55kW up to 75kW, catering to significant industrial motor loads. The GD350-055G model is rated for 55kW, while the GD350-075P model provides a higher capacity of 75kW. This allows for precise matching of the drive's capacity to the application's specific power requirements.

These inverters operate on a 3-phase, 400V/450V AC power supply, converting it to a variable frequency and voltage output suitable for controlling motor speed and torque. The power delivery is managed by sophisticated control algorithms that ensure efficient operation and protect the motor from electrical stresses.

The output power is dynamically controlled to meet the demands of the connected load, offering substantial energy savings compared to fixed-speed operation. This capability makes it a vital component in applications requiring flexible and efficient power management for high-power machinery.

Q9: How does the book-size design benefit industrial installations?

The book-size design of the INVT Goodrive350 AS Series inverter offers a significant advantage in space optimization. Its slim profile allows for installation in control cabinets with limited depth or width, which is common in retrofitting older facilities or in compact modern machine designs. This reduces the overall footprint of the electrical control system.

This compact form factor also simplifies installation and maintenance. The unit can often be mounted directly on a panel or wall, providing easier access for wiring and parameter adjustments compared to larger, bulkier drive units. This ease of access can reduce labor costs during installation and servicing.

Furthermore, multiple book-size inverters can be mounted side-by-side or in close proximity, enabling high power density in control panels. This efficient use of space is crucial in industries where factory floor space is at a premium or where modular control solutions are preferred.

Q10: What safety features are incorporated into the INVT GD350-055G/075P-45-AS?

The INVT GD350-055G/075P-45-AS incorporates a comprehensive suite of safety features to protect both personnel and equipment. It includes advanced electronic overload protection for the motor, preventing damage due to excessive current draw over time. The drive also features overvoltage and undervoltage protection to safeguard against unstable power supply conditions.

Additional safety mechanisms include short-circuit protection, ground fault detection, and over-temperature protection for the inverter itself, ensuring reliable operation in demanding environments. The integrated braking unit allows for controlled deceleration and stopping of the motor, which is critical for safety in many applications.

For enhanced safety, the inverter provides digital inputs that can be easily wired to external emergency stop buttons, safety interlocks, and other safety circuits. These features allow for rapid and safe shutdown of the motor and drive in hazardous situations, complying with industrial safety standards.