INVT GD27-003G-4-B Goodrive27 Standard Inverter 3kW Three Phase 400V Built-in Brake Resistor

The INVT GD27-003G-4-B Goodrive27 Standard Inverter, a 3kW three-phase 400V unit, stands out in the industrial automation market with its integrated brake resistor, offering enhanced braking torque and improved system safety. This robust inverter is engineered for demanding applications, providing precise motor control and exceptional reliability. Its core advantages lie in its compact design, advanced control algorithms, and built-in safety features, making it a superior choice for a wide range of industrial machinery. Key technical parameters include a rated power of 3kW, input voltage compatibility with three-phase 400V systems, and a built-in brake unit, essential for applications requiring rapid deceleration and precise positioning.

Product Specifications

| Parameter             | Specification                                    |

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

| Model                 | GD27-003G-4-B                                    |

| Rated Power           | 3kW                                              |

| Input Voltage         | Three Phase 380V-480V (50/60Hz)                  |

| Output Voltage        | 0-400V                                           |

| Output Frequency      | 0-400Hz                                          |

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

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

| Braking Unit          | Built-in                                         |

| Protection Level      | IP20                                             |

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

| Communication Options | RS485 (Optional)                                 |

Core Features & Market Positioning

The INVT GD27-003G-4-B Goodrive27 differentiates itself through its high-performance vector control capabilities, delivering excellent speed and torque accuracy even under dynamic load conditions. The integrated brake resistor is a significant advantage, simplifying installation and reducing external component costs while enhancing braking performance. Market positioning focuses on providing a cost-effective yet high-quality solution for general-purpose industrial drives, balancing advanced features with user-friendliness. This inverter is designed to meet the stringent demands of modern manufacturing, offering energy savings and improved process efficiency.

Key Application Scenarios

This versatile 3kW inverter is ideally suited for a broad spectrum of industrial applications. It excels in controlling motors for pumps, fans, conveyors, and extruders, where precise speed regulation and reliable operation are paramount. In the textile industry, it's employed for spindle drives and winding machines, benefiting from its smooth acceleration and deceleration profiles. The built-in brake resistor makes it particularly effective for applications involving hoisting equipment, elevators, and machine tools that require frequent stopping and holding loads.

Practical System Integration Guidance

Integrating the INVT GD27-003G-4-B Goodrive27 is streamlined due to its user-friendly interface and clear terminal layout. For basic installation, ensure proper ventilation to maintain optimal operating temperatures. Wiring should be performed by qualified personnel, adhering to local electrical codes. The three-phase 400V power input connects to the L1, L2, L3 terminals, while the motor is connected to U, V, W. The brake resistor connects to the dedicated brake terminals, typically labeled B+ and B-. Parameter configuration for motor tuning and application-specific settings can be accessed via the built-in keypad or optional communication modules, simplifying commissioning.

Operation and Risk Mitigation

Safe operation of the INVT GD27-003G-4-B Goodrive27 requires adherence to the installation and operation manual. Before powering up, always verify correct wiring and ensure the motor is properly connected. During operation, monitor for any unusual sounds or vibrations. The inverter is equipped with multiple protection functions, including overload, over-voltage, under-voltage, and phase loss protection. Common fault codes, such as E01 (overload) or E03 (over-voltage), can typically be resolved by addressing the underlying cause or adjusting parameter settings. The built-in brake resistor helps mitigate risks associated with motor coasting during power loss or emergency stops.

Scalability & Long-Term Value

The INVT GD27-003G-4-B Goodrive27 offers a degree of scalability through its communication capabilities, particularly the optional RS485 interface, allowing for integration into SCADA systems or Programmable Logic Controllers (PLCs). This facilitates remote monitoring, control, and data acquisition, paving the way for IIoT integration and smart manufacturing initiatives. Its robust construction and INVT's commitment to product development ensure long-term value and reliability, with firmware updates often available to enhance performance and add new features, safeguarding the investment.

FAQs

What is the rated power of the INVT GD27-003G-4-B?

The INVT GD27-003G-4-B Goodrive27 inverter has a rated power of 3kW. This specification determines the motor size the inverter can effectively drive.

It is suitable for a wide range of industrial applications requiring precise motor control. The 3kW rating offers a good balance for many common machine tasks.

This power output ensures efficient operation for pumps, fans, conveyors, and other machinery within its capacity.

Does the INVT GD27-003G-4-B have a built-in brake resistor?

Yes, the INVT GD27-003G-4-B features a built-in brake resistor. This component is crucial for dissipating excess energy during regenerative braking.

The integrated resistor simplifies installation by eliminating the need for an external braking unit. It enhances the inverter's ability to decelerate loads quickly and safely.

This feature is particularly beneficial in applications with frequent stops or high inertia loads, ensuring precise control and preventing over-voltage faults.

What type of motor control does the Goodrive27 inverter support?

The INVT GD27-003G-4-B supports both V/f control and sensorless vector control. V/f control is ideal for simple speed regulation applications.

Sensorless vector control provides superior torque and speed accuracy, even under varying loads. This makes it suitable for more demanding applications.

This dual control capability enhances the inverter's versatility, allowing it to be optimized for a wide array of motor-driven systems.

Can this inverter be used with single-phase motors?

No, the INVT GD27-003G-4-B is specifically designed for three-phase motors. It requires a three-phase 400V power supply input.

Connecting a single-phase motor to this inverter is not recommended and can lead to damage. It is engineered to operate with three-phase induction motors.

For applications requiring single-phase motor control, a different type of inverter or a phase converter would be necessary.

What is the input voltage range for the GD27-003G-4-B?

The input voltage range for the INVT GD27-003G-4-B is three-phase 380V to 480V. It operates at 50/60Hz.

This wide input voltage tolerance allows for flexibility in different power grids. It ensures reliable performance across various industrial environments.

Always ensure your main power supply falls within this specified range for safe and optimal inverter operation.

What are the typical applications for the INVT GD27-003G-4-B?

Typical applications include pumps, fans, conveyors, and general machinery. Its 3kW capacity is well-suited for these tasks.

The built-in brake resistor makes it excellent for hoisting, elevators, and machine tools requiring precise stopping. It handles dynamic loads effectively.

It is also used in the textile industry for winding and spindle drives, benefiting from smooth motor control.

How do I wire the brake resistor to the INVT GD27-003G-4-B?

Connect the brake resistor to the dedicated brake terminals, usually labeled B+ and B-. Ensure the resistor's power rating matches the inverter's requirements.

Always disconnect power before making any wiring connections. Proper grounding of both the inverter and the resistor is essential for safety.

Refer to the INVT GD27-003G-4-B manual for specific wiring diagrams and torque specifications to prevent loose connections.

What is the protection level (IP rating) of this inverter?

The INVT GD27-003G-4-B has an IP20 protection level. This means it is protected against solid objects larger than 12.5mm.

An IP20 rating indicates it is not protected against water ingress. Therefore, it should be installed in a clean, dry environment.

For dusty or wet industrial settings, consider enclosure options or inverters with higher IP ratings to ensure longevity and safety.

Does the inverter support communication protocols like Modbus?

The base model may not include communication ports, but the GD27 series often supports optional communication modules. RS485 is a common option.

This allows for integration into networked control systems for remote monitoring and operation. Modbus RTU is a widely supported protocol via these modules.

Implementing communication capabilities can enhance automation, diagnostics, and overall system efficiency in industrial settings.

What are the operating temperature limits for the INVT GD27-003G-4-B?

The inverter operates safely within an ambient temperature range of -10°C to +40°C. Exceeding this can affect performance and lifespan.

Ensure adequate ventilation around the inverter to dissipate heat effectively. Consider derating if operating near the upper temperature limit.

For extreme temperature environments, consult the manufacturer for specialized solutions or environmental controls.