INVT GD350-022G/030P-45-NS Goodrive350 NS Series Inverter 22kW to 30kW Advanced System Drive

The INVT GD350-022G/030P-45-NS Goodrive350 NS Series Inverter, a robust 22kW to 30kW advanced system drive, delivers unparalleled performance and control for demanding industrial applications. This inverter excels in precision motor speed regulation, energy efficiency, and system reliability, making it a cornerstone for modern automation. Its advanced control algorithms, comprehensive protection features, and flexible communication options ensure seamless integration and optimal operation across diverse machinery.

Product Specifications

| Feature                     | Specification                               |

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

| Model                       | GD350-022G/030P-45-NS                       |

| Power Range                 | 22kW to 30kW (0.22-0.30 G/P)                |

| Input Voltage               | 3-Phase, 380-460V AC                        |

| Output Voltage              | 3-Phase, 380-460V AC                        |

| Frequency                   | 0-300 Hz                                    |

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

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

| Protection Features         | Over-voltage, Under-voltage, Over-current, Overload, Overtemperature, Short-circuit, etc. |

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

| Operating Temperature       | -10°C to 50°C                               |

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

Core Features & Market Positioning

The INVT Goodrive350 NS Series Inverter distinguishes itself through its sophisticated sensorless vector control, offering precise torque and speed regulation comparable to closed-loop systems, without the added cost and complexity of encoders. This advanced control capability translates to superior dynamic response and stability, even under fluctuating loads, a critical advantage in applications like winding machines, extruders, and pump/fan control. Its market positioning emphasizes high reliability and energy efficiency, supported by robust build quality and intelligent power management features that reduce energy consumption and operational costs. The inverter's NS series designation highlights its specialized design for advanced system drives, signifying enhanced performance and expanded functionality for sophisticated automation tasks.

Key Application Scenarios

The INVT GD350-022G/030P-45-NS is ideally suited for a wide array of industrial applications where precise motor control and energy savings are paramount. This includes variable speed drives for pumps and fans in HVAC systems, where it optimizes energy usage based on demand, significantly reducing electricity bills. In the textile industry, its accurate speed and tension control are crucial for winding and unwinding machines, ensuring consistent product quality. Furthermore, its robust performance makes it a prime choice for material handling equipment, elevators, and general-purpose machinery requiring reliable and efficient motor operation.

Practical System Integration Guidance

Integrating the INVT Goodrive350 NS Series Inverter into existing systems is streamlined due to its flexible configuration and standard communication protocols. The unit typically requires a 3-phase power supply, with proper grounding and electrical isolation being critical for safety and longevity. Wiring should adhere strictly to the manufacturer's guidelines, particularly for motor connections and control signal inputs/outputs, to prevent damage and ensure optimal performance. Programming is managed through the inverter's keypad or via PC software, allowing users to configure parameters such as acceleration/deceleration times, speed limits, and motor data for precise operation. The RS485 interface with Modbus RTU protocol facilitates easy integration into SCADA systems and PLCs for remote monitoring and control.

Operation and Risk Mitigation

Safe and effective operation of the INVT GD350-022G/030P-45-NS inverter necessitates adherence to electrical safety standards and proper commissioning procedures. Always ensure the power supply is disconnected before performing any wiring or maintenance. Overload and over-temperature protection are built-in, but users must ensure the motor is adequately sized for the load and that the inverter's heatsink has sufficient ventilation to prevent thermal shutdown. Common fault codes, such as E.OC (Overcurrent) or E.OH (Over-temperature), often indicate issues with motor load, wiring, or cooling. Consulting the user manual for specific fault code explanations and troubleshooting steps is essential for rapid problem resolution and minimizing downtime.

Scalability & Long-Term Value

The INVT Goodrive350 NS Series Inverter offers considerable long-term value through its scalability and compatibility with evolving industrial automation trends. Its modular design and optional communication cards allow for easy upgrades and integration with various industrial networks, including Profibus, Profinet, and Ethernet/IP, facilitating seamless connection to modern IIoT platforms. This forward-thinking design ensures that the inverter can adapt to changing production requirements and support the transition to smart manufacturing environments. By providing precise control and significant energy savings, the GD350-022G/030P-45-NS contributes to operational efficiency and reduces the total cost of ownership over its extended lifespan.

Frequently Asked Questions

What is the primary function of the INVT GD350-022G/030P-45-NS inverter?

The INVT GD350-022G/030P-45-NS inverter's main purpose is to control the speed and torque of AC electric motors with high precision and efficiency. It achieves this through advanced control algorithms like sensorless vector control, enabling smooth acceleration and deceleration.

This drive is designed to optimize motor performance across a wide range of industrial applications, reducing energy consumption by adjusting motor speed to match actual load requirements. It also provides comprehensive protection features to safeguard the motor and the drive itself from electrical faults.

Its advanced capabilities make it suitable for critical operations such as pumps, fans, conveyors, extruders, and textile machinery where precise speed regulation is essential for product quality and process stability.

How is the INVT GD350-022G/030P-45-NS inverter installed and commissioned?

Installation requires careful attention to power supply connections, motor wiring, and grounding to ensure safety and reliable operation. Proper ventilation around the inverter is crucial to prevent overheating and ensure its longevity.

Commissioning involves configuring various parameters through the keypad or PC software, including motor identification, acceleration/deceleration ramps, speed limits, and I/O assignments. This ensures the drive is optimized for the specific motor and application it will control.

Following the manufacturer's detailed installation and user manuals is paramount. This includes performing basic parameter settings and potentially a motor auto-tuning function to achieve optimal performance and protection.

What are the key advantages of using the Goodrive350 NS Series Inverter?

A significant advantage is its advanced sensorless vector control, offering excellent speed and torque accuracy without requiring an encoder. This reduces system complexity and cost while maintaining high performance.

The inverter is engineered for exceptional energy efficiency, leading to substantial cost savings in operational expenses, particularly in variable load applications like pumps and fans. Its robust design also ensures high reliability and a long service life.

Furthermore, it features a comprehensive suite of protection functions, including overcurrent, overvoltage, and overtemperature protection, safeguarding both the inverter and the connected motor from damage, thereby minimizing downtime and maintenance needs.

Can this inverter be integrated with higher-level control systems like PLCs or SCADA?

Yes, the INVT GD350-022G/030P-45-NS is equipped with an RS485 communication interface supporting the Modbus RTU protocol as standard. This enables seamless integration with most PLCs and SCADA systems for remote monitoring and control.

The availability of optional communication modules for fieldbuses such as Profibus, Profinet, and Ethernet/IP further enhances its connectivity options. This allows for integration into sophisticated industrial networks and advanced automation architectures.

By leveraging these communication capabilities, users can achieve centralized control, data acquisition, and diagnostics, facilitating efficient plant management and the implementation of Industry 4.0 solutions.

What is the typical power and voltage rating for this inverter model?

The specific model GD350-022G/030P-45-NS indicates a power range from 22kW to 30kW. The "022G" refers to 22kW, and "030P" refers to 30kW, offering flexibility for different motor sizes within this range.

The "45" in the model number typically denotes the input voltage range. For this series, it signifies a 3-phase input voltage of 380-460V AC, which is standard for many industrial power grids globally.

The output voltage will also be within the 3-phase 380-460V AC range, ensuring compatibility with standard industrial motors designed for these voltage levels. Always verify the exact nameplate details for precise specifications.

What are common applications for the INVT GD350 NS Series?

This inverter is widely used in variable torque applications like centrifugal pumps and fans, where it significantly enhances energy efficiency by matching motor speed to the system demand. This is common in HVAC and water management systems.

It is also applied in constant torque applications, such as conveyors, extruders, and winding/unwinding machines in the textile and paper industries, where precise speed and torque control are critical for process quality and material handling.

Other applications include elevators, machine tools, and general industrial machinery requiring flexible and reliable motor speed regulation, offering both performance and cost-effectiveness.

How does the sensorless vector control feature benefit users?

Sensorless vector control provides highly accurate speed and torque regulation without the need for motor-mounted encoders. This simplifies installation, reduces cabling, and lowers overall system costs, as encoders and their associated wiring are eliminated.

This advanced control method allows the inverter to deliver excellent dynamic performance, responding rapidly to changes in load. It ensures stable operation even under fluctuating conditions, which is crucial for processes requiring consistent speed or torque.

The precision offered by sensorless vector control often rivals that of closed-loop systems, making the Goodrive350 NS Series a versatile and cost-effective solution for a broad spectrum of demanding industrial motor control tasks.

What safety precautions should be taken when operating this inverter?

Always disconnect the main power supply before performing any wiring, maintenance, or inspection. Ensure proper grounding of the inverter and motor to prevent electrical hazards and ensure reliable operation.

Follow the wiring diagrams provided in the user manual meticulously. Incorrect connections can lead to permanent damage to the inverter or the motor, and pose significant safety risks to personnel.

Never attempt to work on the inverter while it is powered on. Allow sufficient discharge time after power off, as internal capacitors can retain a dangerous charge. Always refer to the safety section of the manual.

What kind of overload capacity does this inverter offer?

The INVT GD350-022G/030P-45-NS inverter typically provides a robust overload capacity designed to handle transient load increases common in industrial machinery. It can handle 150% of its rated current for up to 60 seconds.

Additionally, for even more demanding short-term peaks, it can manage 180% of its rated current for up to 10 seconds. This capability is vital for applications with sudden load surges, ensuring uninterrupted operation.

This substantial overload capability allows the inverter to start high-inertia loads and withstand dynamic stresses without tripping, contributing to the overall reliability and performance of the system it controls.

How does the V/f control mode differ from sensorless vector control on this inverter?

V/f control is a simpler control method that maintains a constant ratio between voltage and frequency applied to the motor. It is suitable for applications where precise torque control is not critical, such as simple fan or pump applications.

Sensorless vector control, on the other hand, is a more advanced technique that independently controls both voltage and frequency to precisely regulate motor torque and speed, even under varying load conditions. It offers much higher accuracy and dynamic response.

While V/f control is easier to set up and requires less motor data, sensorless vector control provides superior performance for applications demanding high accuracy, quick response, and stable operation, making the Goodrive350 series ideal for such tasks.