INVT GD200A-075G/090P-4 Industrial Pump Control VFD

The INVT GD200A-075G/090P-4 Industrial Pump Control VFD stands as a robust solution engineered for precise and efficient motor control in demanding pump applications. This Variable Frequency Drive (VFD) offers significant advantages including enhanced energy savings, extended equipment lifespan, and optimized process performance. Its core features encompass advanced control algorithms, comprehensive protection mechanisms, and a user-friendly interface, positioning it as a competitive offering in the industrial automation market. Key technical parameters include a rated power of 7.5 kW (or 90 HP for the 090P variant), a supply voltage range of 380-440V AC, and an output frequency range of 0-400Hz, making it suitable for a wide array of industrial pump systems.

Product Specifications

| Parameter           | Value                               |

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

| Model               | GD200A-075G/090P-4                  |

| Rated Power         | 7.5 kW / 10 HP (GD200A-075G-4)      |

| Rated Power         | 90 HP / 75 kW (GD200A-090P-4)       |

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

| Output Frequency    | 0-400 Hz                            |

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

| Protection Class    | IP20                                |

| Mounting Type       | Wall/Panel Mount                    |

| Dimensions (approx.)| Varies by model                     |

Core Features & Market Positioning

The INVT GD200A-075G/090P-4 distinguishes itself through its advanced sensorless vector control capabilities, enabling precise speed and torque regulation without the need for motor encoders. This technology significantly enhances dynamic response and accuracy, critical for variable load pump operations. Its integrated PID controller simplifies closed-loop system integration, reducing the need for external control hardware. Furthermore, the VFD boasts extensive motor protection features, including overload, overvoltage, undervoltage, and phase loss protection, ensuring operational reliability and safeguarding valuable assets. This combination of advanced control and robust protection positions the GD200A series as a cost-effective and high-performance choice for discerning industrial users.

Key Application Scenarios

This industrial pump control VFD excels in a multitude of applications where precise fluid management is paramount. It is ideally suited for water supply and drainage systems, providing stable pressure control and significant energy savings compared to traditional methods. In HVAC systems, it ensures optimal fan and pump operation, contributing to energy efficiency and occupant comfort. The GD200A-075G/090P-4 is also a strong candidate for sewage treatment plants, managing effluent pumps with variable flow requirements, and in oil and gas applications for controlling submersible pumps. Its versatility extends to industrial process control, chemical dosing, and general manufacturing, wherever variable speed pumping is essential for efficiency and performance.

Practical System Integration Guidance

Integrating the INVT GD200A-075G/090P-4 into existing systems is streamlined by its flexible input/output configurations and communication options. Standard wiring involves connecting the three-phase AC power supply to the L1, L2, L3 terminals and the motor leads to the U, V, W terminals. For control, digital inputs can be configured for start/stop, forward/reverse, and multi-speed selection. Analog inputs (e.g., 0-10V or 4-20mA) are typically used for speed reference from pressure or flow sensors. For advanced integration, optional communication modules (e.g., Modbus, Profibus) allow seamless data exchange with PLCs and SCADA systems. Parameter programming is accessible via the onboard keypad or through INVT's dedicated software, facilitating efficient commissioning and customization.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD200A-075G/090P-4 is ensured through its comprehensive safety features and clear fault indication system. Users must adhere to proper installation guidelines, including adequate ventilation and correct wiring practices, to prevent overheating and electrical hazards. Before maintenance, always disconnect power and ensure all capacitors have discharged. Critical error codes are displayed on the VFD's panel, aiding in rapid diagnosis. Common faults include overcurrent (F01), overvoltage (F02), undervoltage (F03), and motor overload (F04). Understanding these codes and their associated troubleshooting steps, as detailed in the product manual, is crucial for minimizing downtime and ensuring operational continuity.

Scalability & Long-Term Value

The INVT GD200A-075G/090P-4 offers considerable scalability and long-term value, particularly in evolving industrial environments. Its modular design supports the integration of optional communication cards, allowing it to interface with emerging Industrial Internet of Things (IIoT) platforms and digital manufacturing initiatives. This ensures compatibility with future automation upgrades and smart factory concepts. The VFD's robust build quality and energy-saving capabilities contribute to a lower total cost of ownership over its lifespan, reducing operational expenses and environmental impact. For users with expanding needs, the GD200A series provides a reliable foundation for advanced process control and system optimization.

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Frequently Asked Questions (FAQs)

Q1: What are the primary benefits of using the INVT GD200A-075G/090P-4 for pump control?

This VFD offers substantial energy savings by precisely matching motor speed to demand, unlike fixed-speed systems. It also extends the operational life of pumps and motors by reducing mechanical stress and eliminating harsh starts. Furthermore, it provides enhanced process control through accurate speed and torque regulation.

Q2: Can this VFD be used with different types of pumps and motors?

Yes, the GD200A-075G/090P-4 is designed for a wide range of AC induction motors commonly used in various pump types. Its flexible control modes, including sensorless vector control, adapt well to diverse motor characteristics and load requirements.

Q3: How does the INVT GD200A-075G/090P-4 handle protection against motor faults?

The VFD incorporates multiple built-in protection functions. These include safeguards against motor overload, overvoltage, undervoltage, phase loss, short circuits, and over-temperature conditions. These features are critical for preventing damage and ensuring reliable operation.

Q4: What is the typical power range and voltage compatibility of this industrial VFD?

The GD200A-075G/090P-4 is available in models such as 7.5 kW (10 HP) and 90 HP (75 kW). It is designed for three-phase industrial power supplies, typically operating within the 380V to 440V AC range.

Q5: How is the INVT GD200A-075G/090P-4 installed and commissioned?

Installation involves secure mounting, proper electrical wiring of power and motor connections, and grounding. Commissioning typically includes parameter setup via the keypad or software, motor auto-tuning, and configuring I/O for desired control functions.

Q6: What communication protocols does this VFD support for integration into automation systems?

While standard models offer basic I/O, the GD200A series supports optional communication cards. Common protocols include Modbus RTU, and other industrial fieldbuses can be added for seamless integration with PLCs and SCADA systems.

Q7: What are the key advantages of sensorless vector control in this VFD?

Sensorless vector control allows for accurate speed and torque regulation without requiring a motor-mounted encoder. This simplifies installation, reduces costs, and enhances performance in applications with dynamic load variations.

Q8: How can this VFD contribute to energy efficiency in pumping systems?

By precisely adjusting motor speed to match the exact operational demand, it significantly reduces energy consumption compared to running motors at full speed and using mechanical throttling. This energy optimization is a major benefit for operational costs.

Q9: What are common error codes and how should they be addressed?

Common error codes include F01 (Overcurrent), F02 (Overvoltage), F03 (Undervoltage), and F04 (Motor Overload). Addressing these typically involves checking motor load, power supply stability, and VFD parameters, consulting the manual for specific actions.

Q10: Is the INVT GD200A-075G/090P-4 suitable for harsh industrial environments?

With its IP20 protection rating, it is suitable for general industrial environments. For extremely dusty or wet conditions, it should be installed within a suitable enclosure to ensure optimal performance and longevity.