The application of frequency converter in boiler circulating water pump The application of frequency converter in boiler circulating water pump in the north, boiler heating is related to the daily work and life of thousands of households, especially in large-scale central heating systems, which have constant pressure, temperature control and reliability With the characteristics of high performance requirements, the use of frequency converters can easily meet the characteristics of the heating system, and it is also in line with the current national energy-saving and environmental protection policies. This article introduces the application of the Yi CV3100 series frequency converter heating system.

 

Introduction of customer's field application:

 

Use 2 CV3100-4T0370M, 2 CV3100-4T0220M, 2 CV3100-4T0185M, 2 CV3100-4T0110M, 3 CV3100-4T0110FP, 2 CV3100-4T0022M, 2 CV3100-4T0015M, etc. 15 inverters, through frequency conversion The circulating pump and the pressurizing pump of the customer are driven to meet the customer’s heating requirements.

 

Attached drawing:

To sum up

 

The use of frequency conversion soft-start technology reduces the mechanical impact and the impact on the power grid, reduces the amount of maintenance, reduces the downtime, transforms the circulating water pump, uses a pressure sensor to detect the pressure of the pipe network, and controls the inverter through the analog signal given by PID adjustment. The inverter gives a certain voltage and frequency to adjust the speed and output power of the pump, forming a closed-loop feedback system to maintain the stability of the pipe network pressure. At the same time, the easy drive CV3100 series inverters have the overvoltage, overcurrent, and overload , Undervoltage, overheating and other protection functions to ensure reliable and safe continuous operation of the equipment. In short, frequency converter speed regulation has been used more and more in boiler heating and water pump speed regulation with its high efficiency, low energy consumption and good stability, and it is worthy of promotion in all walks of life in society.