INVT GD350-015G/018P-45-AS Goodrive350 AS Series Book Size Inverter 15kW to 18.5kW High Density

The INVT GD350-015G/018P-45-AS, a member of the Goodrive350 AS Series, redefines high-density variable frequency drives (VFDs) with its compact book-size design, offering exceptional power density for demanding industrial applications. This 15kW to 18.5kW unit is engineered for superior performance, featuring a robust build and advanced control algorithms that ensure precise motor speed regulation and energy efficiency. Its sophisticated design prioritizes ease of integration and operation, making it a premier choice for engineers and system integrators seeking reliable, high-performance motor control solutions.

Product Specifications

| Feature             | Specification                                       |

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

| Series              | Goodrive350 AS Series                               |

| Model               | GD350-015G/018P-45-AS                               |

| Power Range         | 15kW (015G) to 18.5kW (018P)                         |

| Input Voltage       | 3-Phase 400/460V AC                                 |

| Output Frequency    | 0-400 Hz                                            |

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

| Overload Capacity   | 150% for 60 seconds, 180% for 10 seconds            |

| Protection Rating   | IP20                                                |

| Dimensions (H x W x D) | Compact Book-Size Design                            |

| Communication       | Optional Fieldbus Modules (e.g., Modbus, Profibus)  |

| Safety Features     | Safe Torque Off (STO)                               |

Core Features & Market Positioning

The INVT GD350-015G/018P-45-AS distinguishes itself through its exceptional power-to-size ratio, a critical factor in space-constrained industrial environments. Its advanced sensorless vector control provides precise torque and speed regulation, rivaling closed-loop systems in many applications, thereby enhancing process accuracy and product quality. The integrated Safe Torque Off (STO) functionality is a significant safety feature, allowing for immediate and reliable disconnection of motor power without necessitating a full system shutdown, crucial for operational safety and compliance. Market positioning is firmly established by its combination of high performance, compact footprint, and robust build quality, catering to industries that demand reliability and efficiency without compromising on space.

Key Application Scenarios

This high-density inverter is ideally suited for a broad spectrum of industrial automation tasks. It excels in applications requiring precise motor control, such as conveyor systems, pumps, fans, and machine tools, where maintaining consistent speed and torque is paramount. The GD350-015G/018P-45-AS is particularly valuable in packaging machinery, textiles, and material handling sectors, where its compact size allows for seamless integration into existing or new equipment designs. Furthermore, its energy-saving capabilities make it an excellent choice for HVAC systems and other variable-load applications, contributing to reduced operational costs.

Practical System Integration Guidance

Integrating the INVT GD350-015G/018P-45-AS into existing systems is streamlined due to its versatile communication options and intuitive parameter settings. For optimal performance, ensure proper wiring practices are followed, utilizing shielded motor cables to minimize electromagnetic interference, especially in noisy industrial environments. The unit supports a range of programming methods, including direct parameter configuration via the integrated keypad or remote configuration using INVT's software tools. When connecting to external control systems, the optional communication modules facilitate seamless integration with PLCs and SCADA systems via protocols like Modbus RTU, ensuring efficient data exchange and centralized control.

Operation and Risk Mitigation

Safe operation of the INVT GD350-015G/018P-45-AS necessitates adherence to all electrical safety standards and the manufacturer's guidelines. Users should familiarize themselves with the drive's parameter settings to optimize performance and prevent potential issues such as motor overheating or control instability. Common troubleshooting involves checking input power, motor connections, and fault codes displayed on the HMI. Critical error codes, such as E.OC (Overcurrent) or E.OV (Overvoltage), typically indicate issues with motor load, acceleration/deceleration times, or the power supply itself, requiring careful inspection and adjustment of drive parameters or external system components.

Scalability & Long-Term Value

The INVT Goodrive350 AS Series offers a degree of scalability through its modular design and compatibility with various industrial communication protocols. This compatibility ensures that the GD350-015G/018P-45-AS can be integrated into larger, more complex automated systems and readily adapted to evolving IIoT and Industry 4.0 initiatives. The availability of optional communication cards allows for future expansion of networking capabilities, facilitating remote monitoring, diagnostics, and predictive maintenance strategies. This forward-looking design ensures the inverter provides long-term value by supporting system upgrades and the adoption of advanced digital manufacturing technologies.

FAQs

What are the primary benefits of the INVT GD350-015G/018P-45-AS?

This inverter offers exceptional power density in a compact, book-size form factor. It excels in providing precise motor control with advanced sensorless vector algorithms for enhanced performance. The integrated Safe Torque Off (STO) feature significantly boosts operational safety.

The unit's energy efficiency, combined with its robust construction, ensures reduced operational costs and long-term reliability. Its versatile communication options facilitate easy integration into various automation systems.

The GD350-015G/018P-45-AS is positioned as a high-value solution for applications demanding both performance and space efficiency. It meets the needs of modern industrial environments prioritizing compact yet powerful motor control.

What types of motors can be controlled by the INVT GD350-015G/018P-45-AS?

The drive is designed to control three-phase induction motors, a standard in industrial applications. It supports various motor types through its flexible control modes.

It offers excellent performance with both standard and high-efficiency induction motors. The sensorless vector control adapts well to different motor characteristics.

For optimal results, ensure the motor's nameplate data is correctly entered into the drive's parameters for accurate control and protection.

How does the Safe Torque Off (STO) feature work on this inverter?

The STO feature provides a safety-rated disconnection of motor power. It is activated by an external safety signal, ensuring the motor cannot unexpectedly start.

When STO is engaged, it directly disables the output stage of the inverter, preventing torque generation. This is a critical safety function for machine guarding.

STO does not involve powering down the entire drive, allowing for quicker restarts after a safety event is resolved. It is compliant with relevant safety standards.

What are the typical communication protocols supported by this inverter?

The base unit typically supports Modbus RTU for serial communication. This is a widely adopted protocol in industrial automation.

Optional communication cards are available to extend compatibility to other major fieldbus networks. These can include protocols like Profibus DP, DeviceNet, and EtherNet/IP.

This flexibility allows the GD350-015G/018P-45-AS to integrate seamlessly into diverse control architectures and supervisory systems.

What is the power range and voltage rating for the GD350-015G/018P-45-AS?

The model designation indicates a power range from 15kW to 18.5kW. The "015G" typically signifies 15kW, and "018P" indicates 18.5kW.

This inverter operates on a three-phase power supply. The specified voltage rating is typically 400/460V AC, common for industrial power grids.

Always verify the specific model number and its corresponding power rating against the application requirements for correct selection.

Can this inverter be used in harsh environmental conditions?

The GD350-015G/018P-45-AS has an IP20 protection rating, meaning it is protected against solid objects larger than 12.5mm. It is not designed for direct exposure to dust or water.

For environments with high dust, humidity, or corrosive elements, the inverter should be installed within an appropriate enclosure. This enclosure must provide adequate ventilation and protection.

Always consult the product manual for specific environmental operating limits and recommended installation practices to ensure longevity and reliability.

What are the advantages of sensorless vector control in this drive?

Sensorless vector control allows for precise speed and torque regulation without the need for a motor-mounted encoder. This reduces installation complexity and cost.

It offers dynamic response characteristics, enabling rapid changes in motor speed and torque. This is crucial for applications with fluctuating load demands.

This control method significantly improves motor performance and energy efficiency, especially at lower speeds and varying loads, compared to basic V/f control.

How do I perform initial setup and commissioning for the GD350-015G/018P-45-AS?

Begin by verifying all power and motor connections are secure and correctly wired according to the manual. Ensure the input power supply matches the drive's rating.

Access the drive's parameter menu using the keypad. Input fundamental motor parameters such as rated voltage, current, frequency, and speed.

Perform an auto-tuning procedure to calibrate the drive to the specific motor characteristics for optimal performance and protection.

What are common fault codes and their general meanings?

Common faults include E.OC (Overcurrent), indicating excessive current draw, possibly due to a heavy load or rapid acceleration. E.OV (Overvoltage) suggests a high input voltage or regeneration issues.

E.SC (Short Circuit) points to a direct short on the output. E.OL (Overload) signifies that the motor has exceeded its thermal capacity for an extended period.

Refer to the product's technical manual for a comprehensive list of fault codes and detailed troubleshooting steps for each.

How can this inverter contribute to energy savings in industrial applications?

VFDs like the GD350-015G/018P-45-AS enable significant energy savings by matching motor speed to the actual load requirement. This avoids running motors at full speed unnecessarily.

By precisely controlling motor speed for pumps and fans, energy consumption can be reduced by up to 50% or more in variable-load scenarios. This is often referred to as the fan/pump affinity laws.

The drive's efficient power electronics and advanced control algorithms minimize energy losses during operation, further contributing to overall energy conservation.