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依据场的力学性质,探讨了能势力的作用机理及功效特征和热力学熵表达式S=dQ/T的物理涵义.基于热力学相关定律和最小耗能原理,给出了能势变化规律,同时基于能量变化绝对值合理、相对值准确的评价准则,进一步阐述了热力学熵、环境(火用)与系统能量的标度方法.比较合理地诠释了“Distributed Energy Supply System”的内涵与外延,从多种能量联合供应到用户能量需求为牵引的角度,阐明了分布式供能系统技术形式与特点,以及正逆耦合循环、供需衔接、整体协调控制与主动蓄能等技术的应用价值。
Based on the mechanical properties of the field, the mechanism of action of the potential forces and their functional characteristics and the physical meaning of the thermodynamic entropy expression S = dQ / T are discussed. Based on the laws of thermodynamics and the principle of minimum energy dissipation, The paper also further expounds the scaling method of thermodynamics entropy, environment (exergy) and system energy, and interprets the connotation and denotation of "Distributed Energy Supply System From the perspective of energy supply from multiple energy sources to user energy demand, this paper clarifies the technical forms and characteristics of distributed energy supply system, as well as the application value of positive and negative coupling cycle, supply and demand convergence, overall coordinated control and active energy storage.