Optimal reset method of differential pressure in variable water flow system based on most unfavorable thermodynamic loop

Presents two concepts including most unfavorable thermodynamic loop and maximum valve position loop, and provides a novel differential pressure reset strategy based on resetting domain of valve position of maximum valve position loop. Applies the differential pressure reset method to a primary pump variable water flow system with differential pressure monitoring point located between water separating and collecting headers. Simulation results show the optimal reset method provides better adaptability and energy saving effect than other commonly used methods.