INVT GD200A-015G/018P-4 Inverter for General & Fan Pump Use

The INVT GD200A-015G/018P-4 inverter stands as a robust solution for general industrial applications, with a particular emphasis on fan and pump control. This variable frequency drive (VFD) offers precise motor speed regulation, significant energy savings, and enhanced operational efficiency. Its core advantages include a compact design, advanced control algorithms, and a user-friendly interface, positioning it as a competitive choice in the market. Key technical parameters include a rated power of 15 kW (0.15G) or 18.5 kW (0.18P), an input voltage range of 380-440V, and an output frequency range of 0-300 Hz.

Product Specifications

| Parameter              | Value                               |

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

| Model                  | GD200A-015G/018P-4                  |

| Rated Power (kW)       | 15 (0.15G) / 18.5 (0.18P)           |

| Input Voltage (V)      | 380-440                             |

| Output Voltage (V)     | 380-440                             |

| Output Frequency (Hz)  | 0-300                               |

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

| Protection Class       | IP20                                |

| Operating Temperature (°C) | -10 to +40                          |

| Dimensions (mm, HxWxD) | 347 x 214 x 195 (approx.)           |

Core Features & Market Positioning

The INVT GD200A-015G/018P-4 differentiates itself through its advanced sensorless vector control, providing superior torque response and speed accuracy even under fluctuating loads, a critical advantage in demanding fan and pump applications. Its V/f control option offers simplicity and broad compatibility for less dynamic systems. The inverter's robust design ensures reliable operation in challenging industrial environments, contributing to reduced downtime and maintenance costs. This focus on performance, reliability, and energy efficiency positions the GD200A series as a cost-effective and technologically sound choice for original equipment manufacturers (OEMs) and end-users alike seeking to optimize their fluid handling systems.

Key Application Scenarios

The INVT GD200A-015G/018P-4 excels in a wide array of applications within the industrial sector. Its optimized control for centrifugal and axial fans makes it ideal for HVAC systems, ventilation, and exhaust applications where precise airflow management and energy conservation are paramount. For pump applications, it provides sophisticated control for water supply, wastewater treatment, irrigation, and circulation pumps, enabling smooth starts, stops, and variable speed operation to match demand, thereby preventing water hammer and saving energy. Its versatility extends to other general motor control needs requiring variable speed, such as conveyors and general machinery.

Practical System Integration Guidance

Integrating the INVT GD200A-015G/018P-4 into existing or new systems is streamlined due to its thoughtful design. Ensure proper power wiring by connecting the main power input (L1, L2, L3) and motor output (U, V, W) according to the terminal diagram, paying close attention to grounding for safety and noise reduction. For fan and pump applications, parameter configuration is key. Setting up parameters like maximum/minimum frequency, acceleration/deceleration times, and overload protection thresholds ensures optimal performance and motor longevity. The built-in keypad and display facilitate local commissioning, while optional communication modules enable seamless integration into SCADA or PLC-based control systems via Modbus or other industrial protocols.

Operation and Risk Mitigation

Safe and effective operation of the INVT GD200A-015G/018P-4 requires adherence to operational guidelines and an understanding of potential fault conditions. Always ensure the inverter is properly grounded and that motor wiring is secure before powering up. During operation, monitor ambient temperature and ensure adequate ventilation to prevent overheating. Common troubleshooting involves checking error codes displayed on the inverter. For instance, an "OC" (Overcurrent) fault might indicate a rapid acceleration setting that is too aggressive or a motor with a short circuit. An "OV" (Overvoltage) fault could signal an issue with the power supply or excessive regenerative braking. Referencing the product's detailed manual for specific fault code explanations and corrective actions is crucial for swift resolution and minimizing operational disruption.

Scalability & Long-Term Value

The INVT GD200A-015G/018P-4 offers considerable long-term value through its inherent scalability and compatibility. Its modular design and support for various communication protocols allow for straightforward integration into advanced Industrial Internet of Things (IIoT) platforms, enabling remote monitoring, predictive maintenance, and data-driven optimization of industrial processes. For systems requiring enhanced control or specialized functions, compatibility with external devices like braking resistors for high-inertia loads or filter modules for harmonic reduction can be readily assessed. This adaptability ensures that the GD200A inverter remains a relevant and valuable component of evolving industrial automation architectures, protecting the initial investment and facilitating future upgrades.

Frequently Asked Questions (FAQs)

Q1: What is the primary application for the INVT GD200A-015G/018P-4 inverter?

The INVT GD200A-015G/018P-4 is specifically designed for general industrial use, excelling in fan and pump control applications. Its advanced features allow for precise speed regulation crucial for HVAC and water management systems.

It optimizes energy consumption by adjusting motor speed according to demand, leading to significant operational cost savings. The inverter's robust construction ensures reliability in diverse industrial environments.

This VFD provides excellent performance for centrifugal fans, axial fans, and various types of pumps, ensuring smooth operation and extended equipment life.

Q2: What are the key technical specifications to consider for this INVT inverter?

Key specifications include its rated power, available in 15 kW (GD200A-015G) and 18.5 kW (GD200A-018P) variants. It operates with an input voltage range of 380-440V.

The output frequency can be controlled from 0 to 300 Hz, offering a wide operating range for various motor speeds. It features both sensorless vector control and V/f control methods for flexible application.

The inverter has an IP20 protection rating and is designed for operation within a temperature range of -10 to +40°C, ensuring durability.

Q3: How does the INVT GD200A-015G/018P-4 inverter save energy?

This inverter achieves energy savings by precisely controlling motor speed to match the actual load requirements of fans and pumps. Unlike fixed-speed operation, it prevents energy wastage.

By reducing motor speed, it significantly lowers power consumption, especially in applications where full speed is not continuously needed, such as variable flow systems.

The advanced control algorithms and efficient power electronics minimize electrical losses, further contributing to overall energy efficiency and reduced operational costs.

Q4: Can this inverter be integrated with existing control systems like PLCs?

Yes, the INVT GD200A-015G/018P-4 supports various communication protocols, notably Modbus RTU, for seamless integration with PLCs and SCADA systems. This allows for remote monitoring and control.

Optional communication cards can be added to support other industrial fieldbuses, enhancing its compatibility with a broader range of automation architectures.

Integration enables centralized control, data logging, and diagnostics, facilitating advanced automation strategies and predictive maintenance programs.

Q5: What are common installation considerations for the GD200A-015G/018P-4?

Proper electrical grounding is essential for safety and to mitigate electromagnetic interference. Ensure that the main power input and motor output terminals are correctly wired according to the manual.

Adequate ventilation around the inverter is crucial to maintain its operating temperature within specified limits and prevent overheating. Mount it in a clean, dry environment.

Before commissioning, verify motor parameters and configure key settings such as acceleration/deceleration times and overload protection to match the specific application and motor.

Q6: How do I troubleshoot common faults like 'OC' or 'OV' on this inverter?

An 'OC' (Overcurrent) fault often indicates that the motor is drawing too much current, possibly due to excessive acceleration, a short circuit, or an overloaded motor. Check acceleration settings.

An 'OV' (Overvoltage) fault suggests the DC bus voltage has exceeded the safe limit, often caused by regenerative energy from a decelerating motor or a faulty power supply. Consider adding a braking resistor.

Always consult the official INVT GD200A manual for specific error code interpretations and recommended troubleshooting steps to resolve issues effectively.

Q7: What is the purpose of sensorless vector control in this inverter?

Sensorless vector control allows the inverter to accurately control motor speed and torque without the need for a physical speed sensor mounted on the motor shaft. This simplifies installation and reduces costs.

It provides precise motor speed regulation and fast torque response, even under fluctuating load conditions, which is critical for applications like pumps and fans that experience varying demands.

This control method enhances motor efficiency and performance, ensuring that the motor operates optimally across its speed range, contributing to better process control.

Q8: What are the dimensions and environmental requirements for installing the GD200A-015G/018P-4?

The inverter typically has dimensions around 347mm (H) x 214mm (W) x 195mm (D), making it relatively compact for its power rating. Refer to the specific datasheet for exact measurements.

It requires an operating temperature range of -10°C to +40°C and should be installed in a clean, dry environment free from excessive dust, moisture, or corrosive gases.

Ensure sufficient clearance around the unit for proper heat dissipation and access for maintenance, following the mounting guidelines provided in the user manual.

Q9: How can I program or configure the INVT GD200A-015G/018P-4 for a specific fan application?

Start by setting the basic motor parameters (e.g., rated voltage, current, frequency, poles) and selecting the appropriate control mode (e.g., V/f or sensorless vector). Configure acceleration and deceleration times.

For fan applications, adjust parameters related to starting torque, minimum/maximum operating frequencies, and potentially utilize PID control if the application requires precise flow or pressure regulation.

Utilize the integrated keypad and display for local parameter setup, or connect via a communication interface for remote programming using INVT's software tools for efficiency.

Q10: What are the long-term benefits of using the INVT GD200A series for pump control?

Long-term benefits include significant energy savings through variable speed operation, reducing electricity bills and environmental impact. It also extends the lifespan of pumps and associated piping.

The soft-start and soft-stop capabilities minimize mechanical stress on the pump and motor, preventing issues like water hammer and reducing wear and tear on seals and bearings.

The inverter's reliability and advanced diagnostic features contribute to reduced maintenance needs and minimized downtime, ensuring consistent and efficient operation of water management systems.