apt to the complex environment of constant pressure water supply Systems become an inevitable trendРIn this paper pipe network and pumps under the operation of the curve clarify the water supply system for energy-saving Frequency Control Principle specific analysis of the frequency of the principle of constant pressure water supply system and the composition of the structure through research and comparison concluded Frequency Control is the highest international one-effectiveness performance the best and most widely the most The future development of the Motor technology Therefore this paper to adopt the PLC and inverter combination of a systematic approach to a small residential area pump motor control system for the target and gradually clarified how to achieve a constant supply pressure
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