INVT GD200A-018G/022P-4 General Purpose VFD Drive

The INVT GD200A-018G/022P-4 General Purpose VFD Drive stands as a robust and versatile solution for precise motor control across a wide spectrum of industrial applications. Engineered for reliability and performance, this Variable Frequency Drive (VFD) offers significant advantages, including enhanced energy efficiency, superior motor protection, and simplified operation. Its core strengths lie in its advanced control algorithms, comprehensive protection features, and user-friendly interface, making it a preferred choice for demanding environments. Key technical parameters include an input voltage range of 380-460V (3 Phase), an output capacity of 18.5kW/25HP (018G) or 22kW/30HP (022P), and a rated output current of 37A (018G) or 45A (022P). The GD200A series supports both V/f and sensorless vector control modes, ensuring optimal performance for various motor types and load conditions.

Product Specifications

| Parameter             | Specification                                     |

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

| Model                 | GD200A-018G/022P-4                                |

| Input Voltage         | 380-460V (3 Phase)                                |

| Output Power (kW)     | 18.5kW (018G) / 22kW (022P)                       |

| Output Power (HP)     | 25HP (018G) / 30HP (022P)                         |

| Rated Output Current (A)| 37A (018G) / 45A (022P)                           |

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

| Frequency Output Range| 0-3000 Hz                                         |

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

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

| Protection Features   | Overvoltage, undervoltage, overload, overheat, short circuit, phase loss, etc. |

| Communication Options | RS485 (Modbus RTU standard)                       |

Core Features & Market Positioning

The INVT GD200A-018G/022P-4 distinguishes itself in the competitive VFD market through its robust sensorless vector control, which delivers exceptional torque performance even at low speeds, eliminating the need for motor encoders in many applications. This feature significantly reduces system complexity and cost, positioning it as a highly cost-effective solution for variable torque loads like pumps and fans, as well as constant torque applications such as conveyors and extruders. Its advanced digital control platform ensures precise speed and torque regulation, leading to improved process consistency and reduced energy consumption. The drive's compact design and high power density also facilitate easier panel integration, a critical factor in space-constrained industrial environments. Furthermore, INVT's commitment to quality and reliability is underscored by its comprehensive motor protection functions, safeguarding valuable assets against common electrical faults and operational stresses.

Key Application Scenarios

This general-purpose VFD finds extensive utility in numerous industrial sectors. For the HVAC industry, it optimizes fan and pump operation, leading to substantial energy savings and precise climate control in commercial buildings and industrial facilities. In manufacturing and processing, the GD200A-018G/022P-4 drives conveyors, mixers, extruders, and machine tools, providing the fine speed and torque control necessary for high-quality production and material handling. The water treatment sector benefits from its efficient control of pumps for water supply and sewage systems, ensuring consistent flow rates and reduced wear on equipment. Additionally, its robust design makes it suitable for mining and metallurgy applications, where it powers crushers, mills, and ventilation systems under harsh operating conditions. Its versatility also extends to textile machinery, printing equipment, and packaging lines, where accurate speed synchronization and smooth acceleration/deceleration are paramount.

Practical System Integration Guidance

Integrating the INVT GD200A-018G/022P-4 into existing or new systems is streamlined due to its flexible configuration options and clear terminal layout. For power connections, ensure the input power supply matches the VFD's rated voltage (380-460V, 3 Phase) and is properly grounded. Motor wiring should be kept as short as possible to minimize electromagnetic interference (EMI). The drive features multiple digital and analog inputs/outputs for flexible control and monitoring. For instance, analog input terminals (e.g., AI1, AI2) can accept 0-10V or 4-20mA signals for speed reference, while digital inputs (DI1-DI6) can be programmed for start/stop, direction control, or fault reset. The integrated RS485 communication port (RJ45 connector) allows for seamless integration into SCADA or PLC systems using the Modbus RTU protocol, enabling remote monitoring, parameter setting, and operational control. When commissioning, it is crucial to perform auto-tuning for the connected motor (sensorless vector control) to optimize performance. Default parameters can be used for basic setup, but fine-tuning of acceleration/deceleration times, current limits, and protection thresholds is recommended based on the specific application load profile. Always refer to the official INVT GD200A user manual for detailed wiring diagrams and parameter settings.

Operation and Risk Mitigation

Operating the INVT GD200A-018G/022P-4 involves understanding its basic controls and safety protocols to ensure reliable performance and prevent potential hazards. The user interface, typically a digital keypad, allows for easy parameter adjustment and status monitoring. Before initial startup, verify that all wiring is secure and correct, and ensure the motor is suitable for VFD operation (check insulation ratings). During operation, avoid rapid changes in setpoints, especially for heavy loads, to prevent mechanical stress and potential motor overload. Common troubleshooting involves checking fault codes displayed on the keypad. For instance, an "OL" (Overload) fault typically indicates the motor is drawing more current than the VFD is set to allow, which might necessitate adjusting parameters, derating the VFD, or investigating the mechanical load. An "E.OV" (Overvoltage) fault suggests the DC bus voltage is too high, possibly due to excessive regenerative braking; consider adding a braking resistor if this is a recurring issue. "E.UV" (Undervoltage) faults point to input power supply problems. Always ensure the VFD is de-energized and discharged before performing any maintenance or troubleshooting. Proper ventilation around the VFD is critical to prevent overheating, which can lead to component failure and safety risks.

Scalability & Long-Term Value

The INVT GD200A-018G/022P-4 is designed with scalability and long-term value in mind, making it a sound investment for evolving industrial needs. Its modular communication options, including the standard RS485 interface, allow it to be easily integrated into modern Industrial Internet of Things (IIoT) platforms and distributed control systems. This enables advanced data acquisition, remote diagnostics, and predictive maintenance strategies, enhancing operational efficiency and reducing downtime. Compatibility with various sensor types and control signals ensures that it can be seamlessly incorporated into both new installations and upgrades of existing machinery without requiring a complete system overhaul. Furthermore, INVT's commitment to firmware updates and ongoing product development means that users can benefit from performance enhancements and expanded functionality over the life of the drive. The robust construction and comprehensive motor protection features inherent in the GD200A series contribute to extended equipment lifespan, minimizing the total cost of ownership.

Frequently Asked Questions (FAQs)

What is the primary advantage of the INVT GD200A-018G/022P-4?

Its advanced sensorless vector control provides superior torque at low speeds. This offers precise motor regulation for various loads. It also enhances energy efficiency significantly.

This feature reduces system complexity and cost. It eliminates the need for motor encoders in many setups. The drive delivers robust performance reliably.

The GD200A-018G/022P-4 ensures optimal performance for applications like pumps and conveyors. It balances cost-effectiveness with high functionality.

How do I connect a motor to the INVT GD200A-018G/022P-4?

Connect the motor's U, V, and W terminals to the VFD's corresponding output terminals. Use shielded cables to minimize electrical noise. Ensure proper grounding of both the motor and the VFD.

Keep motor lead lengths as short as practically possible. This helps prevent electromagnetic interference (EMI). Always consult the product manual for specific wiring diagrams.

Verify motor nameplate details match VFD capabilities. Ensure motor insulation is rated for VFD operation. Double-check all connections before powering up the drive.

What communication protocols does this VFD support?

The INVT GD200A-018G/022P-4 supports the Modbus RTU protocol via its RS485 serial interface. This is standard on the drive. It allows for easy integration into automation systems.

This protocol enables remote monitoring and control of the VFD. You can read status, set parameters, and send commands. It is widely used in industrial automation.

Other communication options may be available via add-on cards. Check INVT's documentation for compatibility with other industrial networks like Profibus or Ethernet/IP.

What are common fault codes for the GD200A series?

Common faults include OL (Overload), E.OV (Overvoltage), and E.UV (Undervoltage). OL typically means the motor is drawing too much current.

E.OV indicates the DC bus voltage is too high. This can occur during heavy braking. E.UV suggests an issue with the incoming power supply.

Always refer to the user manual for a full list of fault codes. Consult the manual for specific troubleshooting steps for each code. Ensure safe power-off procedures before investigation.

Can this VFD be used for pump and fan applications?

Yes, the GD200A-018G/022P-4 is ideal for pump and fan control. Its sensorless vector control offers excellent speed regulation. It significantly improves energy efficiency in these variable torque applications.

The VFD can precisely control flow rates and pressures. It reduces wear on mechanical components. This leads to extended system lifespan and lower maintenance costs.

By matching motor speed to system demand, it avoids energy wastage. This makes it a highly economical choice for HVAC and water management systems.

How do I perform auto-tuning on the INVT GD200A-018G/022P-4?

Auto-tuning calibrates the VFD to the specific motor characteristics. Access the tuning function through the drive's keypad menu. Ensure the motor is connected and rated correctly.

Initiate the auto-tuning process when the motor is stationary. The drive will perform tests to determine motor parameters. This optimizes sensorless vector control performance.

After the process, save the parameters. Verify proper operation under load. Consult the manual for detailed instructions on the auto-tuning procedure.

What is the overload capacity of this VFD?

The GD200A-018G/022P-4 offers a 150% overload capacity for 60 seconds. It can handle 180% overload for 10 seconds. This provides robust performance under transient load conditions.

This feature is crucial for applications with sudden load increases. It ensures the VFD can manage peak demands without tripping. It protects the motor during startup or acceleration.

Always ensure the overload duration and level are within specifications. Excessive or prolonged overloads can still damage the VFD or motor. Monitor operation closely.

What is the operating temperature range for this drive?

The INVT GD200A-018G/022P-4 operates within a temperature range of -10°C to +50°C. Ensure adequate ventilation around the drive. Avoid direct sunlight or proximity to heat sources.

Operating outside this range can lead to performance issues or premature failure. Consider derating the VFD if operating at the upper limits of the temperature range. Proper cooling is essential.

Maintain clear space around the VFD for airflow. Keep cooling vents free of dust and obstructions. This ensures reliable operation in diverse industrial environments.

Can this VFD be used with a braking resistor?

Yes, the GD200A-018G/022P-4 supports the connection of an external braking resistor. This is useful for applications with significant overhauling loads or rapid deceleration requirements. The braking resistor dissipates excess energy during regenerative braking.

Install the braking resistor according to the VFD's specifications and the resistor's ratings. Connect it to the designated braking terminals (e.g., PB, PC). This prevents overvoltage faults (E.OV).

Consult the user manual for guidance on selecting the appropriate braking resistor. Proper integration is key to preventing damage and ensuring safe operation. Verify correct wiring before commissioning.

What are the input and output voltage ratings?

The input voltage for the INVT GD200A-018G/022P-4 is a 3-phase 380-460V AC supply. The output voltage to the motor is variable, determined by the frequency setpoint. It typically ranges from 0V up to the input line voltage.

The drive provides precise voltage and frequency control to the motor. This allows for smooth speed adjustments. It ensures the motor operates efficiently across its speed range.

Always ensure the incoming power supply is within the specified range. Fluctuations outside this range can cause operational issues or damage. Verify the supply voltage before installation.