INVT GD200A-075G/090P-4 frequency converter

INVT GD200A frequency converter: the core tool for energy-saving transformation of fans and water pumps

1、 Energy saving pain points in the fan and water pump industry, precise matching of GD200A for renovation needs
Fans and pumps are the most widely used general equipment in industrial production and municipal livelihood fields, widely used in factory ventilation, boiler induced draft, municipal water supply, sewage treatment, HVAC, industrial circulating water and other scenarios. Their electricity consumption accounts for a very high proportion of the total industrial electricity consumption in the country. Traditional fan and water pump equipment mostly operate at the rated speed of the motor, and control the air volume and flow rate by adjusting the opening of the baffle and valve. This method wastes a lot of energy on the throttling loss of the baffle and valve, resulting in extremely low energy utilization efficiency and huge power waste.
At the same time, traditional constant speed fan and water pump equipment has motors that operate at full speed for a long time, resulting in significant mechanical wear, high vibration and noise, short service life, and high maintenance costs; Frequent adjustment of baffles and valves can also easily cause equipment damage and increase the probability of failure and shutdown. The INVT GD200A frequency converter is designed to address the energy-saving pain points in the fan and water pump industry. Through advanced frequency conversion speed regulation technology, it perfectly matches the operating characteristics of square torque loads in fan and water pumps, achieving significant energy savings while reducing equipment mechanical wear and maintenance costs. It is the core tool for energy-saving transformation of fan and water pumps.

2、 GD200A has excellent speed regulation performance, achieving efficient and energy-saving operation of fans and pumps
The INVT GD200A frequency converter adopts advanced sensorless vector control technology and has been specially optimized for the characteristics of square torque loads such as fans and water pumps. It can achieve a wide range of smooth speed regulation from 0 to rated frequency. According to the actual air volume and flow requirements, the motor speed is accurately adjusted, completely abandoning the traditional baffle and valve throttling methods, fundamentally eliminating throttling losses, and achieving the ultimate energy-saving effect.
According to the principles of fluid mechanics, the air volume and flow rate of fan pump loads are proportional to the motor speed, the pressure is proportional to the square of the speed, and the shaft power is proportional to the third power of the speed. This means that when the motor speed decreases by 20%, the power consumption of the motor can be reduced by nearly 50%. In practical application scenarios, fan and water pump equipment mostly do not need to operate at full load. By using INVT GD200A frequency converter for speed regulation transformation, the average energy saving rate can reach more than 30%, and some working conditions can even achieve 50% energy-saving effect. The investment return cycle is short, and the economic benefits are significant. At the same time, the INVT GD200A frequency converter is equipped with precise PID closed-loop control function, which can automatically adjust the motor speed based on feedback signals such as air volume, pressure, flow rate, liquid level, etc., achieving constant control of controlled parameters without manual intervention, greatly improving the automation level and control accuracy of the system.

3、 GD200A's comprehensive protection function ensures long-term stability of fan and water pump equipment
Most fan and water pump equipment operates continuously for a long time, even requiring 24-hour uninterrupted operation, which has extremely high requirements for the stability and protection function of the equipment. The INVT GD200A frequency converter is equipped with a comprehensive fault protection system tailored to the operational characteristics of fan and water pump equipment. It provides over 30 types of fault protection functions, including overcurrent, overvoltage, undervoltage, overheating, phase loss, overload, motor overheating, anti dry running, and water level protection. It can comprehensively protect the safe operation of the frequency converter and motor, avoiding production interruptions and equipment damage caused by equipment failures.
At the same time, the INVT GD200A frequency converter adopts a soft start method. When the motor starts, the output frequency smoothly increases from 0, avoiding the high current impact caused by traditional direct start methods. The starting current can be controlled within the rated current, greatly reducing the impact of the starting current on the power grid. At the same time, the mechanical impact during motor starting is reduced, greatly reducing the mechanical wear of the motor, fan, water pump, bearings, and pipelines, extending the service life of the equipment, and reducing the maintenance and spare parts replacement costs of the equipment. In addition, the smooth speed regulation of the frequency converter also eliminates problems such as pipeline vibration and water hammer effect caused by traditional baffle adjustment, further improving the operational stability of the entire system.

4、 GD200A full power range coverage, suitable for various fan and water pump models for modification
The power coverage range of fan and water pump equipment is extremely wide, ranging from small civilian fans with hundreds of watts to large industrial water pumps and boiler induced draft fans with hundreds of kilowatts. Equipment with different powers and working conditions also have different requirements for frequency converters. The INVT GD200A frequency converter achieves full power coverage from 0.75 kW to 500 kW, and is divided into G-type heavy-duty models and P-type light-duty models. The P-type model is specifically optimized for square torque loads of fans and water pumps, perfectly adapting to the transformation needs of various fan and water pump equipment.
In response to various on-site requirements for fan and water pump renovation, INVT GD200A frequency converter provides rich peripheral interfaces and flexible installation methods, supporting multiple installation methods such as wall mounted, flange mounted, and floor mounted. Whether it is cabinet integration for new projects or on-site renovation of existing equipment, it can be perfectly adapted. The product has a built-in standard MODBUS communication protocol, which can easily connect to existing control systems such as PLC, DCS, building automation, and smart water management, achieving remote monitoring and centralized control without the need for large-scale system renovation, greatly reducing the difficulty and cost of renovation. Whether it is small civil HVAC equipment, large industrial boiler induced draft, municipal sewage treatment, urban and rural water supply pump stations, INVT GD200A frequency converter can provide comprehensive energy-saving renovation solutions, helping various industries achieve energy conservation, carbon reduction, cost reduction and efficiency improvement.