Abstract
The booster pump is an energy-saving system that controls the number of turns of the pump and optimal operation by installing an inverter to control the discharge pressure of the pump in accordance with the flow rate. The development of an optimum operation algorithm and flow rate information for the individual pumps without flow sensors is critical of a smart booster pump system. The objectives of this study was to investigate the algorithm based flow detection method without use of a flow sensor for each pump. Therefore, it was developed an algorithm-based flow rate detection method of individual pumps without the use of a flow sensor that has not been studied in the conventional booster pump system. The software-based processor development and experimental verification for detecting the flow rate of individual pumps were confirmed. The ensemble error was within 2%. For optimal operation, the result of examining the accumulated flow rate for the sequential operation method and the optimum operation method. The flow measurement accuracy of the system was confirmed by experiment and the development of a booster pump system without a flow sensor was found effective.
Highlights
In large-scale apartments and commercial buildings, rapid response to flow rate changes is required
The objectives of this study are to the development of flow detection method without the use of a flow sensor that has never been studied in conventional booster pump systems and the development of a flow calculation processor for individual pumps in a booster pump system
The main goal of this study was to investigate the development of a software-based processor and experimental verification for detecting the flow rate of an individual pump in booster pump systems
Summary
In large-scale apartments and commercial buildings, rapid response to flow rate changes is required. In order to improve the reliability of the booster pump, the optimum operation algorithm and flow rate information for the individual pumps of the booster pump system is required. A pressure gauge is installed on the suction side and the discharge side of the pump system, so the head can be predicted, but it is not possible to measure the flow rate of each pump since only one flow meter is installed at the rear of the exit area. The objectives of this study are to the development of flow detection method without the use of a flow sensor that has never been studied in conventional booster pump systems and the development of a flow calculation processor for individual pumps in a booster pump system. The flow measurement accuracy of a developed flow control algorithm was evaluated
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