INVT GD27-1R5G-4-B Goodrive27 General Purpose 1.5kW Three Phase 400V with Braking Unit

The INVT GD27-1R5G-4-B Goodrive27 is a robust 1.5kW, three-phase, 400V variable frequency drive engineered for demanding industrial applications, featuring an integrated braking unit for enhanced control and safety. This general-purpose drive excels in providing precise speed regulation and torque control across a wide range of motor loads. Its advanced technology ensures high efficiency and reliability, making it a superior choice for optimizing operational performance and reducing energy consumption in various manufacturing and processing environments.

| Parameter                 | Specification                                |

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

| Model                     | GD27-1R5G-4-B                                |

| Power Rating              | 1.5 kW (2 HP)                                |

| Input Voltage             | Three Phase 400V AC (380V-440V range)        |

| Output Voltage            | 0-400V AC                                    |

| Frequency Range           | 0-3000 Hz                                    |

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

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

| Braking Unit              | Integrated                                   |

| Protection Level          | IP20                                         |

| Dimensions (H x W x D)    | 190mm x 150mm x 170mm                        |

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

| Communication Interfaces  | RS485 (Modbus RTU)                           |

Core Features & Market Positioning

The INVT Goodrive27 series distinguishes itself through its dual-core DSP+ARM control architecture, which delivers superior performance in motor control and dynamic response. Its integrated braking unit is a significant advantage, providing immediate deceleration capabilities and improving safety margins, particularly in applications with high inertia loads or rapid stop requirements. This feature reduces the need for external braking resistors in many scenarios, simplifying system design and lowering overall costs. The drive's flexible control modes, including advanced Sensorless Vector Control (SVC), allow for precise speed and torque regulation even without encoder feedback, positioning it as a versatile solution for a broad spectrum of industrial automation needs. Marketed as a high-performance, cost-effective solution, the GD27 series aims to provide industrial users with reliable and efficient motor control, directly competing with other leading brands in the general-purpose VFD segment by offering a compelling balance of features and price.

Key Application Scenarios

The INVT GD27-1R5G-4-B Goodrive27 finds extensive use in applications requiring precise motor speed and torque management. It is particularly well-suited for pump and fan control, where its energy-saving features can lead to significant operational cost reductions. In the manufacturing sector, it is deployed in conveyor systems, mixers, extruders, and machine tools, enabling smoother operation and improved product quality. The integrated braking unit makes it ideal for handling applications where frequent stopping and starting are necessary, such as in packaging machinery and material handling equipment. Furthermore, its robust design and wide operating temperature range allow for reliable performance in diverse industrial environments, including HVAC systems, water treatment plants, and general industrial machinery.

Practical System Integration Guidance

Integrating the INVT GD27-1R5G-4-B into existing systems is streamlined due to its user-friendly design and comprehensive communication options. For electrical connections, ensure the power supply is stable and within the specified 400V (380-440V) range. The braking unit connection should be made according to the wiring diagram provided in the user manual, typically involving dedicated terminals for the brake resistor and solenoid. Programming the drive for specific applications involves configuring parameters such as acceleration/deceleration times, speed references, and overload protection settings. The drive supports Modbus RTU communication via its RS485 interface, facilitating integration into SCADA systems or PLCs for centralized control and monitoring. For optimal performance and longevity, ensure proper ventilation around the drive to maintain operating temperatures within the specified limits.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD27-1R5G-4-B is paramount. Before initial power-up, it is crucial to verify all wiring connections and ensure the motor is correctly matched to the drive's capacity. The integrated braking unit enhances safety by providing controlled deceleration, but users must still adhere to established safety protocols for machinery operation. Common troubleshooting involves checking error codes displayed on the drive's panel. For instance, an "E.01" fault typically indicates an input overvoltage issue, while "E.02" signifies an output phase loss. Referencing the product's comprehensive fault code list in the manual is essential for swift diagnosis and resolution of operational anomalies. Always ensure power is disconnected before performing any maintenance or troubleshooting.

Scalability & Long-Term Value

The INVT Goodrive27 series is designed for adaptability and long-term value. Its compatibility with various motor types and its support for standard communication protocols like Modbus RTU enable seamless integration into both new and existing industrial control architectures, including those embracing Industry 4.0 principles. While the GD27 itself is a powerful general-purpose drive, INVT offers a range of VFDs and related automation products, providing a clear upgrade path for applications with evolving requirements or a need for more advanced functionalities. The drive's robust construction and energy-efficient operation contribute to reduced wear and tear on connected machinery and lower energy bills, offering significant long-term economic benefits and a strong return on investment.

---

Frequently Asked Questions

What is the maximum motor size this VFD can control?

This VFD is rated for 1.5 kW (2 HP) motors. It is designed to efficiently control motors within this power range, ensuring optimal performance and protection.

The drive's specifications precisely match this power output, preventing overloading and potential damage to both the VFD and the motor.

For applications requiring control of larger motors, it would be necessary to select a higher-capacity INVT Goodrive27 model or a different VFD series.

How do I connect the braking unit on the INVT GD27-1R5G-4-B?

The braking unit is integrated and requires connection to an external brake resistor. Specific terminals are designated for this purpose, as detailed in the user manual.

Proper wiring to the brake resistor is essential for effective energy dissipation during deceleration, preventing overvoltage within the drive.

Always consult the wiring diagrams in the official INVT documentation to ensure correct and safe installation of the braking circuit.

What are the primary benefits of using Sensorless Vector Control (SVC)?

SVC offers precise speed and torque control without needing an encoder on the motor shaft. This simplifies installation and reduces component costs.

This control method provides excellent dynamic response, allowing the motor to react quickly to changes in load or speed commands.

It is particularly beneficial in applications like pumps, fans, and conveyors where high accuracy is required but precise zero-speed torque is not critical.

Can this VFD be controlled remotely via a PLC?

Yes, the INVT GD27-1R5G-4-B supports remote control through its RS485 communication interface using the Modbus RTU protocol. This allows seamless integration with PLCs and SCADA systems.

You can send speed commands, start/stop signals, and monitor operational status remotely. Configuration of communication parameters is necessary within the VFD settings.

This feature is crucial for automated production lines and centralized control rooms, enabling efficient management of multiple drives.

What is the typical operating temperature range for this drive?

The drive is rated for operation in ambient temperatures from -10°C to 40°C. Exceeding this range may require derating.

Operating above 40°C will necessitate a reduction in the VFD's output current to prevent overheating and ensure reliability.

Proper ventilation and cooling are critical to maintaining performance within the specified temperature limits.

How does the integrated braking unit improve safety?

The integrated braking unit allows for rapid and controlled deceleration of the motor. This is crucial for stopping machinery quickly in emergencies.

It helps dissipate excess kinetic energy generated by the motor during braking, preventing overvoltage and drive faults.

By providing reliable braking capability, it reduces the risk of mechanical over-travel or accidents caused by uncontrolled coasting.

What are common causes for the "E.01" fault code?

The "E.01" fault code typically indicates an input overvoltage condition. This can occur if the incoming AC power supply voltage is too high.

It might also be triggered by regenerative energy from the motor during deceleration exceeding the drive's capability to absorb or dissipate it.

Checking the input power supply voltage and ensuring the braking system is properly configured can help resolve this fault.

What are the advantages of the dual-core DSP+ARM control architecture?

This advanced architecture provides faster processing speeds and more sophisticated control algorithms. It enables precise and responsive motor performance.

It allows for complex calculations to be performed simultaneously, leading to improved efficiency and dynamic characteristics of the drive.

The combination ensures robust operation and the ability to handle demanding applications with varying load conditions effectively.

Is this VFD suitable for use with a three-phase motor rated for 380V?

Yes, the INVT GD27-1R5G-4-B is designed for a 400V input voltage range, typically spanning 380V to 440V. It is fully compatible with 380V three-phase motors.

The drive will automatically adapt to the specified input voltage within its operating range. Always verify the motor's nameplate for compatibility.

This ensures that the VFD can provide the correct voltage and frequency to the motor for optimal operation.

What are the dimensions and mounting considerations for this drive?

The INVT GD27-1R5G-4-B has compact dimensions of 190mm (H) x 150mm (W) x 170mm (D). It is typically panel-mounted.

Adequate clearance around the drive is essential for ventilation, especially in enclosed control cabinets, to prevent overheating.

Ensure the mounting surface is stable and that environmental conditions are within the specified operating parameters for long-term reliability.