INVT GD10-1R5G-4-B Low Power Inverter VFD

The INVT GD10-1R5G-4-B Low Power Inverter VFD stands as a robust and efficient solution for variable speed drive applications in the industrial sector. This compact Variable Frequency Drive (VFD), also known as an inverter, is engineered to precisely control motor speed and torque, leading to significant energy savings and enhanced process optimization. Its advanced control algorithms and reliable design make it a go-to choice for various demanding environments. The GD10 series, specifically the GD10-1R5G-4-B model, offers a power rating of 1.5kW, operates on a 3-phase 380-440V input, and features a 3-phase 380V output, making it suitable for a wide array of machinery. Key advantages include its high starting torque, comprehensive protection functions, and user-friendly interface, ensuring seamless integration and operation.

Product Specifications

| Parameter                  | Specification                               |

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

| Model                      | GD10-1R5G-4-B                               |

| Rated Power                | 1.5 kW                                      |

| Input Voltage              | 3-Phase 380-440V AC                         |

| Output Voltage             | 3-Phase 380V AC                             |

| Output Frequency Range     | 0-400 Hz                                    |

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

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

| Communication Interface    | RS485 (Optional)                            |

| Mounting Type              | Wall/Din Rail Mount                         |

| Ambient Temperature        | -10°C to +40°C                              |

Core Features & Market Positioning

The INVT GD10-1R5G-4-B distinguishes itself through its intelligent V/f control with auto-current limiting, which effectively prevents frequent overcurrent trips during operation, a common issue with lesser VFDs. Its sensorless vector control capability provides superior speed regulation and high starting torque, even at low speeds, crucial for applications demanding precise motion control. Positioned as a cost-effective yet high-performance solution, the GD10 series competes favorably in markets where reliability and energy efficiency are paramount. INVT's commitment to quality and innovation is evident in the GD10's robust design, which includes advanced heat dissipation mechanisms and comprehensive protection functions, ensuring extended service life and minimal downtime. This makes it an attractive option for small and medium-sized enterprises seeking to upgrade their automation systems without incurring excessive costs.

Key Application Scenarios

The versatility of the INVT GD10-1R5G-4-B makes it ideal for a broad spectrum of industrial applications. It is widely deployed in the textile industry for controlling the speed of spinning machines, looms, and dyeing equipment, where precise speed control is vital for product quality and energy efficiency. In the food and beverage sector, it finds application in conveyor systems, pumps, and packaging machinery, contributing to streamlined production processes and reduced energy consumption. Furthermore, its robust performance is beneficial in water treatment plants for managing pump speeds in circulation and wastewater systems, optimizing flow rates and minimizing energy usage. Other common uses include fans and blowers, machine tools, and general-purpose machinery requiring variable speed operation and reliable motor control.

Practical System Integration Guidance

Integrating the INVT GD10-1R5G-4-B into existing systems is streamlined due to its user-friendly design and flexible configuration options. For installation, ensure the VFD is mounted in a well-ventilated area, away from excessive dust, moisture, and electromagnetic interference. Proper grounding is essential for safety and performance; connect the ground terminal to a reliable earth ground. Wiring the power terminals requires careful attention: L1, L2, L3 for the 3-phase input power, and U, V, W for the 3-phase motor output. Control wiring for digital inputs, analog inputs, and outputs should follow the terminal diagram in the user manual, ensuring correct connections for start/stop commands, speed reference signals (e.g., 0-10V or 4-20mA), and status feedback. Basic parameter setup typically involves configuring the motor data (rated voltage, current, frequency, poles) and setting the desired control mode (V/f or sensorless vector). Advanced configurations may involve setting up communication protocols via the optional RS485 interface for integration into SCADA or PLC systems.

Operation and Risk Mitigation

Operating the INVT GD10-1R5G-4-B VFD necessitates adherence to safety protocols to prevent hazards and ensure longevity. Always disconnect power before performing any wiring or maintenance. The VFD generates high voltages internally and should only be serviced by qualified personnel. Common troubleshooting involves addressing fault codes displayed on the VFD. For instance, an "OC" fault indicates overcurrent, often caused by sudden load changes or incorrect parameter settings; ensure the motor is not overloaded and the acceleration/deceleration times are appropriately set. An "OV" fault signals overvoltage, typically occurring during deceleration when the motor acts as a generator; consider adding a braking resistor or adjusting deceleration parameters. An "OH" fault indicates over-temperature, which can be resolved by ensuring adequate ventilation and checking the cooling fan. Regular inspection of connections and the operating environment will mitigate risks and maintain optimal performance.

Scalability & Long-Term Value

The INVT GD10-1R5G-4-B offers considerable long-term value through its inherent scalability and compatibility features. While this specific model is designed for 1.5kW applications, the broader GD10 series encompasses a range of power ratings, allowing for seamless upgrades to higher-capacity drives as industrial demands grow, ensuring future-proofing of automation investments. Its optional RS485 communication interface facilitates integration into larger industrial automation systems and Industrial Internet of Things (IIoT) platforms, enabling remote monitoring, control, and data acquisition. This connectivity is crucial for modern smart factories, allowing for predictive maintenance and enhanced operational efficiency. The robust construction and INVT's commitment to product development ensure that the GD10 series remains a relevant and reliable choice for variable speed drive solutions for years to come.

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Frequently Asked Questions (FAQs)

Q1: What are the primary benefits of using the INVT GD10-1R5G-4-B inverter?

The INVT GD10-1R5G-4-B offers significant energy savings by precisely controlling motor speed. It also enhances process efficiency through accurate torque and speed regulation. This VFD provides extensive protection for motor and drive, reducing maintenance costs.

This inverter boasts high starting torque capabilities, essential for demanding applications. Its compact design simplifies installation in space-constrained environments. The user-friendly interface ensures straightforward operation and parameter setup.

Furthermore, its reliable performance minimizes downtime, contributing to overall productivity. The GD10 series is engineered for durability, offering a long operational lifespan.

Q2: What types of motors can be controlled by the INVT GD10-1R5G-4-B VFD?

The INVT GD10-1R5G-4-B is designed to control standard 3-phase induction motors. It supports both V/f control and sensorless vector control modes. This allows for precise speed and torque management of various motor types.

It is rated for 3-phase output voltages compatible with most industrial motors. Ensure motor nameplate data (voltage, current, frequency, poles) is correctly entered into the VFD. This is crucial for optimal performance and protection.

The VFD's output frequency range of 0-400 Hz provides ample flexibility for diverse motor speed requirements. Always check motor compatibility and derating guidelines if operating at extreme frequencies.

Q3: How do I perform basic wiring for the INVT GD10-1R5G-4-B?

For power wiring, connect the incoming 3-phase power supply to terminals L1, L2, and L3. Connect the motor leads to output terminals U, V, and W. Ensure all connections are secure and follow proper electrical safety practices.

Ground the VFD using the dedicated ground terminal to ensure safety and minimize electrical noise. Incorrect grounding can lead to performance issues or safety hazards. Consult the manual for specific grounding recommendations.

Control wiring involves connecting external signals for start/stop, speed reference, and other functions to the designated control terminals. Refer to the user manual's terminal diagram for precise connections based on your application needs.

Q4: What are common troubleshooting steps for the INVT GD10-1R5G-4-B?

Check the VFD display for any error codes and consult the manual to identify the fault. Common faults include overcurrent (OC), overvoltage (OV), and overtemperature (OH). Address the root cause of the specific fault indicated.

Verify that motor parameters are correctly programmed into the VFD. Incorrect motor data can lead to performance issues or protection trips. Ensure the motor is not physically overloaded.

Inspect all electrical connections for tightness and integrity. Ensure adequate ventilation around the VFD to prevent overheating. Rebooting the VFD after resolving a fault is often necessary.

Q5: Can the INVT GD10-1R5G-4-B be integrated with PLC systems?

Yes, the INVT GD10-1R5G-4-B can be integrated with PLC systems. It features an optional RS485 communication port that supports protocols like Modbus RTU. This enables remote control and monitoring via a PLC.

By using the RS485 interface, you can exchange data such as speed commands, status feedback, and fault information with the PLC. This allows for seamless automation and integration into larger control architectures.

Proper configuration of communication parameters on both the VFD and the PLC is essential for successful integration. Refer to the VFD's communication manual for detailed setup instructions.

Q6: What is the typical power consumption of the INVT GD10-1R5G-4-B?

The power consumption of the INVT GD10-1R5G-4-B is inherently linked to the motor it controls and its load. The VFD itself has a conversion efficiency of typically over 95%, meaning minimal energy is lost within the drive.

When operating at full load, the VFD will deliver close to its rated 1.5kW output power to the motor. The actual input power drawn from the mains will be slightly higher due to drive losses and power factor.

The primary benefit is energy saving achieved through speed control. Instead of running a motor at full speed and using mechanical means to regulate flow, the VFD slows the motor, drastically reducing power draw.

Q7: What are the environmental operating conditions for this VFD?

The INVT GD10-1R5G-4-B is designed for industrial environments with an ambient temperature range of -10°C to +40°C. Operating outside this range can affect performance and reduce the lifespan of the VFD.

It should be installed in a location free from excessive dust, corrosive gases, and moisture. Proper ventilation is critical to dissipate heat generated during operation and prevent overheating.

Considerations for installation include avoiding direct sunlight and proximity to heat sources. Ensure sufficient clearance around the VFD for airflow, as specified in the installation manual.

Q8: How does sensorless vector control differ from V/f control in this inverter?

Sensorless vector control offers superior performance by estimating motor flux and torque without requiring external sensors. This provides better speed regulation, especially at low speeds, and higher starting torque.

V/f control maintains a constant ratio between voltage and frequency, simplifying operation. It's suitable for applications where precise speed control isn't critical, like basic fan or pump applications.

The GD10-1R5G-4-B supports both modes, allowing users to select the most appropriate control strategy based on application requirements for optimal performance and efficiency.

Q9: What maintenance is required for the INVT GD10-1R5G-4-B?

Regular visual inspection for dust accumulation on heatsinks and fans is recommended. Clean these components gently with compressed air to ensure effective heat dissipation.

Periodically check all electrical connections for tightness. Loose connections can lead to intermittent operation or failure. Ensure the VFD's cooling fan is functioning correctly.

No scheduled internal component replacement is typically required for normal operation. However, always follow safety procedures and disconnect power before any inspection or cleaning.

Q10: Where can I find the user manual for the INVT GD10-1R5G-4-B?

The official INVT website is the primary source for the latest user manuals. Search for the GD10 series or the specific model number "GD10-1R5G-4-B" on their documentation portal.

Authorized distributors and resellers of INVT products often provide links or direct access to product manuals. Checking with your supplier is another reliable method to obtain the documentation.

The user manual contains comprehensive details on installation, wiring, parameter settings, troubleshooting, and safety guidelines crucial for proper operation and maintenance of the VFD.