INVT GD350-500G-6 Goodrive350 High Voltage Inverter 500kW Maximum Duty Capacity 690V

The INVT GD350-500G-6 Goodrive350 High Voltage Inverter, a 500kW powerhouse designed for demanding industrial applications, delivers exceptional performance and reliability. Its core advantages lie in its robust high-voltage capability, precise motor control, and advanced protection features. With a maximum duty capacity of 500kW and an operating voltage of 690V, this inverter is engineered to optimize energy efficiency and enhance the operational longevity of critical machinery. Key technical parameters include its wide voltage input range, high overload capacity, and sophisticated control algorithms tailored for various motor types.

INVT GD350-500G-6 Goodrive350: Product Specifications

| Parameter                   | Specification                               |

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

| Model                       | GD350-500G-6                                |

| Rated Power                 | 500 kW                                      |

| Maximum Duty Capacity       | 500 kW                                      |

| Rated Voltage               | 690 V                                       |

| Input Voltage Range         | 6 kV (typically with transformer)           |

| Output Voltage              | 0-690 V                                     |

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

| Protection Features         | Overcurrent, Overvoltage, Undervoltage, Overtemperature, etc. |

| Communication Interfaces    | RS485, optional fieldbus modules (e.g., Profibus, DeviceNet) |

| Cooling Method              | Forced air cooling                          |

Core Features & Market Positioning

The INVT GD350-500G-6 stands out in the high-voltage inverter market due to its advanced sensorless vector control, which provides excellent dynamic performance and precise speed regulation without the need for motor encoders. This technology significantly reduces installation complexity and maintenance costs, a key differentiator for users seeking robust and efficient motor control solutions. Its compact design, despite its high power rating, allows for easier integration into existing control cabinets, positioning it as a versatile and space-saving option. Furthermore, INVT's commitment to stringent quality control and its focus on developing reliable power electronic devices contribute to its strong market presence in sectors demanding high-performance variable speed drives.

Key Application Scenarios

This high-voltage inverter is ideally suited for a wide array of heavy-duty industrial applications where precise speed control and significant power are paramount. It excels in driving large centrifugal pumps and fans, commonly found in water treatment plants, HVAC systems, and mining operations, where variable speed operation leads to substantial energy savings. The GD350-500G-6 is also a prime choice for conveyors, extruders, and crushers in manufacturing and processing industries, offering smooth acceleration and deceleration to protect mechanical components and improve process efficiency. Its robust design makes it suitable for challenging environments, including those with fluctuating power supplies or significant dust and humidity.

Practical System Integration Guidance

Integrating the INVT GD350-500G-6 into an existing industrial system requires careful planning, particularly concerning power and control wiring. Ensure that the incoming power supply is stable and within the specified tolerance for the 690V system, often necessitating a dedicated transformer for voltage matching. For motor connections, use appropriately sized and shielded cables to minimize electromagnetic interference. Control wiring should be kept separate from power cables, utilizing shielded twisted-pair cables for digital and analog signals. Initial setup involves configuring motor parameters, such as rated voltage, current, frequency, and pole count, via the inverter's keypad or through its RS485 communication port using INVT's Drive Application Software. It is crucial to perform a basic motor auto-tuning procedure after initial parameter entry to optimize the inverter's performance for the specific motor being controlled.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-500G-6 relies on adherence to operational guidelines and proactive risk mitigation. Always ensure proper ventilation around the inverter to prevent overheating, as its high power output generates significant heat. Before performing any maintenance or inspection, ensure the unit is completely de-energized and locked out to prevent accidental startup. Common fault codes, such as "Overcurrent" (OC) or "Overtemperature" (OT), typically indicate issues with motor load, wiring, or ambient conditions. Addressing these requires systematically checking motor parameters, cable integrity, and the cooling system. Regular preventative maintenance, including cleaning dust from heatsinks and checking connections, will minimize the risk of unexpected downtime and extend the product's service life.

Scalability & Long-Term Value

The INVT GD350-500G-6 offers significant scalability and long-term value, particularly through its compatibility with modern industrial automation platforms and the Industrial Internet of Things (IIoT). Its standard RS485 interface, along with optional fieldbus modules, allows seamless integration into SCADA systems and PLCs, enabling centralized monitoring and control. This connectivity facilitates remote diagnostics and predictive maintenance, enhancing operational efficiency and reducing unforeseen costs. For future expansions or upgrades, the GD350 series benefits from INVT's ongoing product development, ensuring access to updated firmware and advanced control strategies, thereby protecting the initial investment and ensuring the system remains competitive and efficient for years to come.

FAQs

What is the primary function of the INVT GD350-500G-6?

It precisely controls motor speed and torque. It optimizes energy consumption in industrial applications. It protects motors from electrical faults.

What are the key technical specifications of the GD350-500G-6?

It operates at 690V with a 500kW power rating. It supports advanced vector and V/f control. It includes robust protection features for reliability.

What types of motors can be controlled by this inverter?

It efficiently controls induction motors and permanent magnet synchronous motors. It offers excellent performance with or without encoders. It is designed for high-power industrial motor applications.

How does the GD350-500G-6 contribute to energy savings?

It precisely matches motor speed to load demand. Reduced speed leads to significant power reduction. This optimizes operational efficiency in pumping and fan applications.

What are common applications for this high-voltage inverter?

It is ideal for large pumps and fans in industrial settings. It is used in water, mining, and manufacturing sectors. It powers conveyors, extruders, and processing equipment.

What are the benefits of the sensorless vector control feature?

It eliminates the need for motor encoders. This simplifies installation and reduces maintenance. It provides precise speed and torque regulation.

How can the GD350-500G-6 be integrated into existing systems?

Use RS485 or optional fieldbus modules for communication. Ensure proper power supply and motor wiring. Configure motor parameters and perform auto-tuning.

What safety precautions should be taken when operating the inverter?

Ensure adequate ventilation to prevent overheating. Always de-energize and lockout before maintenance. Follow all installation and operational guidelines.

What troubleshooting steps can be taken for common fault codes?

Check motor load and wiring for overcurrent faults. Verify cooling system and ambient temperature for OT errors. Consult the user manual for specific fault code solutions.

How does this inverter support scalability and long-term value?

It integrates with SCADA and PLC systems for monitoring. Optional modules enable IIoT connectivity for data analysis. INVT's ongoing development ensures future compatibility.