INVT GD350-185G-6 Goodrive350 High Voltage Inverter 185kW Engineering Grade Stage 690V

The INVT GD350-185G-6 Goodrive350 High Voltage Inverter, a robust 185kW engineering-grade solution operating at 690V, stands as a formidable choice for demanding industrial applications requiring precise motor control and exceptional energy efficiency. This inverter boasts a modular design for enhanced reliability and serviceability, integrated advanced control algorithms for superior performance across a wide range of loads, and comprehensive protection features to safeguard critical equipment. With its impressive 98.5% efficiency rating and a power factor of ≥0.95, the GD350-185G-6 minimizes energy consumption and operational costs. Its compact footprint and robust construction ensure seamless integration into various industrial environments, solidifying its position as a leader in high-voltage variable frequency drive technology.

Product Specifications

| Parameter               | Specification                                       |

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

| Model                   | GD350-185G-6                                        |

| Rated Power             | 185 kW                                              |

| Rated Voltage           | 690V                                                |

| Input Voltage Range     | 690V ± 10%                                          |

| Output Voltage          | 0 to Rated Voltage                                  |

| Output Frequency        | 0 to 300 Hz                                         |

| Control Method          | Vector Control (Sensorless & Closed-Loop), V/f Control |

| Overload Capacity       | 110% rated current for 60s, 150% rated current for 10s |

| Efficiency              | ≥ 98.5%                                             |

| Power Factor            | ≥ 0.95 (at full load)                               |

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

| Altitude                | ≤ 1000m (derating above 1000m)                      |

| Protection Features     | Over-current, Over-voltage, Under-voltage, Overheat, Phase loss, etc. |

| Communication Options   | RS485, Modbus, optional fieldbus modules            |

Core Features & Market Positioning

The INVT GD350-185G-6 distinguishes itself through its sophisticated dual-core DSP control architecture, enabling rapid processing and high-precision motor control, particularly for demanding applications like pumps, fans, and compressors. Its advanced sensorless vector control algorithm delivers exceptional torque response and speed accuracy, rivaling closed-loop systems in many scenarios, thereby reducing the need for additional encoder hardware and simplifying installation. The inverter's modular design enhances its reliability and facilitates easier maintenance and component replacement, a significant advantage in continuous industrial operations. Positioned as an engineering-grade solution, the GD350-185G-6 prioritizes robust performance, energy savings, and long-term operational stability, making it a preferred choice for users seeking a dependable and efficient high-voltage VFD.

Key Application Scenarios

This high-voltage inverter is exceptionally well-suited for driving large industrial loads where energy efficiency and precise control are paramount. It finds extensive use in the petrochemical industry for applications such as oil pumps and compressors, where consistent performance under varying conditions is critical. In the power generation sector, the GD350-185G-6 is employed for boiler feed pumps and large ventilation systems, contributing to optimized energy usage. Furthermore, its capabilities make it an ideal solution for large water supply and drainage systems, mining machinery, and heavy-duty industrial fans and blowers, all of which benefit from the inverter's ability to deliver smooth, controlled power and significant energy savings.

Practical System Integration Guidance

Integrating the INVT GD350-185G-6 requires careful attention to power wiring, control signal connections, and parameter configuration. For power, ensure the input and output cabling is appropriately sized for the 185kW rating and the 690V system voltage, adhering strictly to local electrical codes and safety standards. Control wiring should utilize shielded cables to prevent electromagnetic interference, especially in noisy industrial environments. During commissioning, it is essential to perform motor auto-tuning to optimize the control parameters for the specific motor being driven, ensuring peak performance and protection. The inverter supports various communication protocols, such as Modbus RTU via RS485, allowing for straightforward integration into SCADA systems or distributed control architectures for remote monitoring and control.

Operation and Risk Mitigation

Safe operation of the INVT GD350-185G-6 hinges on adherence to its operational manual and environmental specifications. Avoid operating the inverter outside its rated temperature and altitude ranges without appropriate derating, as this can lead to overheating and premature component failure. Crucially, implement robust grounding procedures to prevent electrical hazards and ensure proper functioning of protection circuits. Common fault codes, such as E.o.C (Over-current), E.o.V (Over-voltage), and E.o.t (Over-temperature), indicate specific issues that require prompt attention, often related to load conditions, power supply stability, or insufficient cooling. Regular inspection of ventilation systems and filters is vital to maintain optimal operating temperatures and prevent system downtime.

Scalability & Long-Term Value

The INVT GD350-185G-6 offers significant long-term value through its inherent reliability and INVT's commitment to product evolution. Its modular construction not only simplifies immediate maintenance but also provides a foundation for potential future upgrades or component replacements, ensuring extended product lifespan. Compatibility with standard industrial communication protocols facilitates integration into existing or developing IIoT (Industrial Internet of Things) platforms, enabling advanced data analytics, predictive maintenance, and remote asset management. By optimizing motor performance and reducing energy consumption, the inverter directly contributes to lower operational expenditures and a quicker return on investment, positioning it as a sustainable and economically sound choice for modern industrial operations.

Frequently Asked Questions

What are the primary benefits of using the INVT GD350-185G-6?

This inverter offers significant energy savings through precise motor speed control and reduced power consumption. Its advanced control algorithms ensure optimal performance for various industrial loads. The robust design and comprehensive protection features enhance equipment reliability and longevity.

The GD350-185G-6 provides a high efficiency rating, minimizing operational costs and environmental impact. Its modular design simplifies maintenance and reduces downtime. The inverter is engineered for demanding environments, ensuring stable operation.

It also offers excellent torque control and fast response times, crucial for dynamic applications. The integrated safety features protect both the motor and the drive.

How does the GD350-185G-6 handle overload conditions?

The inverter is designed to withstand temporary overloads without tripping. It can handle 110% of its rated current for up to 60 seconds. For even higher transient loads, it can manage 150% of rated current for 10 seconds.

This capability ensures that the drive can manage startup surges or temporary peaks in demand. Proper application sizing is still critical to prevent sustained overloads. The system actively monitors current to protect components.

These overload specifications are crucial for applications with fluctuating load profiles. They provide a buffer against unexpected demand spikes, ensuring continuous operation.

What are the typical installation requirements for this high-voltage inverter?

Installation requires adherence to strict electrical safety standards for 690V systems. Ensure adequate ventilation and maintain ambient temperature within specified limits to prevent overheating. Proper grounding is essential for safety and performance.

Use appropriately rated cables for power input and output, considering the 185kW capacity. Shielded cables are recommended for control signals to minimize electromagnetic interference. Consult the manual for detailed wiring diagrams.

The unit should be mounted in a clean, dry environment, protected from dust and moisture. Allow sufficient clearance around the inverter for airflow and maintenance access.

Can the INVT GD350-185G-6 be integrated with existing control systems?

Yes, the inverter supports standard industrial communication protocols like Modbus RTU over RS485. This allows seamless integration into SCADA and PLC-based control architectures for remote monitoring and operation. Optional fieldbus modules may also be available for broader compatibility.

The communication capabilities enable real-time data acquisition on performance parameters and fault conditions. This facilitates diagnostics and troubleshooting, improving overall system management. Engineers can configure communication settings via the inverter's interface.

Integration with IIoT platforms is also feasible, enabling advanced analytics and predictive maintenance strategies. This enhances operational efficiency and reduces unplanned downtime in smart manufacturing setups.

What are common fault codes and their meanings for the GD350-185G-6?

Common fault codes include E.o.C for over-current, indicating excessive current draw from the motor or a short circuit. E.o.V signifies over-voltage, typically caused by regenerative energy or power supply issues. E.o.t warns of over-temperature, suggesting inadequate cooling or operation beyond environmental limits.

Other potential faults could involve under-voltage (E.u.V), motor phase loss, or communication errors. Each code provides specific diagnostic information to pinpoint the root cause of a problem. Referencing the product manual is crucial for detailed troubleshooting.

Addressing these faults promptly is key to preventing damage to the inverter and connected equipment. Ensuring correct parameter settings, adequate cooling, and stable power supply can prevent many common issues.

What kind of motors can be controlled by the INVT GD350-185G-6?

This inverter is highly versatile and can control various AC induction motors. It supports both sensorless vector control for applications requiring high performance without encoders and closed-loop vector control when precise feedback is necessary. V/f control is also an option for simpler applications.

The advanced control modes ensure excellent torque response and speed accuracy across a wide operating range. This makes it suitable for demanding loads like pumps, fans, compressors, extruders, and conveyors, common in heavy industries.

It's important to match the motor's voltage and power ratings to the inverter's capabilities. The auto-tuning function during commissioning is vital for optimizing control parameters for the specific motor.

What is the efficiency rating of the INVT GD350-185G-6?

The INVT GD350-185G-6 boasts an impressive efficiency rating of 98.5% or higher at full load. This high efficiency translates directly into significant energy savings over the operational life of the equipment. It minimizes energy wastage as heat, reducing cooling requirements and operational costs.

This exceptional efficiency is achieved through advanced power electronics design and sophisticated control algorithms. By precisely matching motor speed to load demand, it avoids running motors at full speed unnecessarily, further conserving energy.

Lower energy consumption not only reduces electricity bills but also contributes to environmental sustainability goals. This makes the GD350-185G-6 an economically and ecologically sound choice for industrial applications.

What are the key technical advantages of the Goodrive350 series?

The Goodrive350 series, including the GD350-185G-6, features a dual-core DSP control chip for rapid processing and precise motor control. It offers advanced vector control algorithms for superior performance in dynamic applications. Its modular design enhances reliability and facilitates easier maintenance.

Another significant advantage is its robust protection capabilities, safeguarding the drive and motor from various electrical faults. The series also emphasizes high efficiency and a good power factor, optimizing energy usage and reducing operational expenses.

The series is engineered for versatility, supporting multiple control modes and communication protocols, allowing for flexible integration into diverse industrial environments and control systems.

What is the power factor of the INVT GD350-185G-6?

The INVT GD350-185G-6 maintains a power factor of 0.95 or higher at full load. This high power factor indicates that the inverter draws power efficiently from the grid, minimizing reactive power and reducing electrical system losses. It ensures that the majority of the power drawn is used for useful work.

A high power factor is crucial in industrial settings as it can help avoid penalties from utility companies for poor power factor. It also reduces the strain on power distribution equipment, such as transformers and cables.

Achieving a consistently high power factor contributes to the overall energy efficiency of the system, further enhancing the economic benefits of using this advanced variable frequency drive.

How does the modular design of the GD350-185G-6 benefit users?

The modular design significantly enhances serviceability and reduces downtime. Individual modules, such as power modules or control boards, can be quickly diagnosed and replaced if necessary. This means that a single component failure doesn't require replacing the entire unit, saving time and cost.

This feature also contributes to increased reliability. Robust design of individual modules and their interconnections minimizes potential points of failure compared to monolithic designs. It also simplifies potential future upgrades or expansions.

For maintenance teams, it means faster troubleshooting and repair times, leading to higher equipment uptime and productivity. This is a critical advantage in continuous industrial processes where every hour of operation counts.