INVT GD350A-1R5G/2R2P-4 General Purpose VFD Drive

The INVT GD350A-1R5G/2R2P-4 is a robust general-purpose Variable Frequency Drive (VFD) engineered for precise motor control across diverse industrial applications. This drive stands out with its high performance, exceptional energy efficiency, and advanced control capabilities, making it a preferred choice for demanding operations. Key advantages include its sophisticated sensorless vector control for superior torque response and dynamic performance, a compact design for space-saving installation, and comprehensive protection features to ensure operational reliability. Technical parameters highlight its 1.5/2.2 kW power rating, input voltage compatibility of 380-460V three-phase, and output frequency range of 0-400 Hz, with overload capacity up to 150% for 60 seconds.

Product Specifications

| Feature                | Specification                               |

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

| Model                  | GD350A-1R5G/2R2P-4                          |

| Rated Power (kW)       | 1.5 kW (Normal Duty) / 2.2 kW (Heavy Duty)  |

| Rated Power (HP)       | 2 HP (Normal Duty) / 3 HP (Heavy Duty)      |

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

| Output Voltage (V)     | 0-460V AC (3-Phase)                         |

| Output Frequency (Hz)  | 0 - 400 Hz                                  |

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

| Overload Capacity      | 150% of rated current for 60s (Heavy Duty)  |

| Communication Ports    | RS485 (Modbus RTU standard)                 |

| Protection Features    | Over-voltage, Under-voltage, Overload, etc. |

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

| Mounting               | Wall/Panel Mount                            |

Core Features & Market Positioning

The INVT GD350A-1R5G/2R2P-4 distinguishes itself through its advanced sensorless vector control algorithm, which delivers excellent torque accuracy and responsiveness, even without an encoder. This capability is crucial for applications requiring precise speed and torque regulation under varying load conditions. Its robust design and comprehensive protection functions, including over-voltage, under-voltage, overload, and over-temperature protection, ensure extended drive life and operational safety. Positioned as a high-value, reliable solution for general-purpose industrial automation, it competes effectively by offering a blend of sophisticated features typically found in higher-tier drives at a competitive price point.

Key Application Scenarios

This VFD is exceptionally versatile, finding applications in numerous industrial sectors. It is ideally suited for pumps and fans in HVAC systems, where its V/f control and energy-saving features contribute to significant power reduction. For material handling equipment such as conveyors and elevators, the precise speed control and dynamic performance of its sensorless vector mode are invaluable. It also excels in machine tools, packaging machinery, and textile equipment that demand accurate speed and torque management for consistent product quality and efficient operation.

Practical System Integration Guidance

Integrating the INVT GD350A-1R5G/2R2P-4 into existing systems is straightforward due to its standard communication protocols and flexible wiring options. For optimal performance and safety, ensure proper power supply connections, adhering to local electrical codes. Wiring the motor requires careful attention to insulation and grounding to prevent electrical noise and ensure operator safety. Commissioning typically involves setting fundamental parameters such as motor data (rated voltage, current, frequency, poles), desired control mode (V/f or sensorless vector), and acceleration/deceleration times. The integrated keypad and intuitive menu structure facilitate parameter configuration, while the RS485 port allows for easy integration into SCADA or PLC systems using the Modbus RTU protocol.

Operation and Risk Mitigation

Safe operation of the INVT GD350A-1R5G/2R2P-4 VFD mandates adherence to installation and operating manuals, with all personnel involved receiving adequate training. Proper ventilation is critical; ensure the drive is installed in an environment that allows for efficient heat dissipation to prevent overheating. Regularly inspect power and motor wiring for any signs of wear or damage. Key fault codes, such as E.OV (Over Voltage), E.UV (Under Voltage), E.OC (Over Current), and E.OT (Over Temperature), provide immediate diagnostic information for troubleshooting. Promptly addressing these fault conditions by investigating their root cause and implementing corrective actions is essential to prevent equipment damage and maintain production continuity.

Scalability & Long-Term Value

The INVT GD350A-1R5G/2R2P-4 offers significant long-term value through its robust build quality and compatibility with evolving industrial automation trends. Its modular design and availability of communication option cards allow for future expansion and integration into smart factory environments, supporting IIoT initiatives. The drive's energy-saving algorithms contribute to reduced operational costs over its lifespan. Furthermore, INVT's commitment to product development ensures that firmware updates can enhance performance and add new functionalities, extending the useful life and relevance of the installed base.

Frequently Asked Questions (FAQs)

Q1: What is the primary advantage of the GD350A-1R5G/2R2P-4 VFD?

This VFD excels in precise motor speed and torque control. Its advanced sensorless vector control ensures high performance. This allows for optimized operation in demanding industrial tasks.

Q2: Can this VFD be used for pump and fan applications?

Yes, it is highly suitable for pump and fan control. Its V/f control mode offers excellent energy-saving capabilities. This reduces operational costs significantly in HVAC systems.

Q3: What input voltage does the GD350A-1R5G/2R2P-4 require?

The drive operates on a three-phase input voltage. It requires a supply within the 380V to 460V AC range. Ensure your power source matches these specifications.

Q4: How is motor data programmed into the VFD?

Motor nameplate data is entered via the control keypad. Key parameters include voltage, current, frequency, and poles. Accurate input ensures optimal drive performance.

Q5: What communication protocols does this VFD support?

It comes standard with an RS485 communication port. This enables integration via the Modbus RTU protocol. Option cards for other protocols may be available.

Q6: What are the overload capabilities of this VFD?

The GD350A-1R5G/2R2P-4 offers robust overload capacity. It can handle 150% of its rated current for 60 seconds. This is vital for heavy-duty applications.

Q7: Does this VFD require an encoder for operation?

No, this VFD features sensorless vector control. An encoder is not required for its high-performance operation. This simplifies installation and reduces costs.

Q8: What are common fault codes for this drive?

Common faults include E.OV (Over Voltage) and E.OC (Over Current). E.OT (Over Temperature) is also frequent. Consult the manual for full code explanations.

Q9: How can I improve energy efficiency with this VFD?

Utilize its built-in energy-saving functions. Implement precise speed control for variable loads. Proper programming and motor matching are key.

Q10: What is the typical operating temperature range?

The drive operates within a standard range of -10°C to 40°C. Derating is necessary for ambient temperatures above 40°C. Ensure adequate cooling.