The Development Of Optimal Operation Planning And Price Evaluating METHOD For Heat Trading Between Combined Heat and Power Plants

摘要

According to an aspect of the present invention, there is provided a method for establishing an optimal operation plan and a heat transaction unit price for a heat transaction between a cogeneration unit operating a first cogeneration system (10) and a second cogeneration system (20) An input data input step (S110) of inputting input data through the input part (41) of the computing device (40); An input data output and data operation step 120 for calculating a required thermal load for each of the systems 10 and 20, calculating an energy upper and lower limit value and a thermal threshold value for each operation mode, and setting a forced operation amount for each time period; A first EHLD program execution step (S130) of executing an EHLD (Economic Heat Load Dispatch) program according to inputted data in a state where a thermal storage tank (ACC) provided in each system (10, 20) is not considered; A forced operation setting step (S140) of determining an operation mode capable of satisfying a forced operation energy amount at a minimum cost by measuring a forced operation energy generated in a forced operation by operation mode; A second EHLD program execution step (S160) for executing the EHLD program in consideration of the combination of the shaft heat dissipation of each of the thermal storage tanks (ACC), the introduction of the production facilities, and the operation mode; An optimal path for determining an optimal path and a ACC (Acclimated Storage Tank) operating state by a DP (Dynamic Programming) path search based on result data according to the execution of the EHLD program in the second EHLD program execution step (S160) (S170); Using the optimum result of the DP path search in the optimal path and the heat storage tank operating state determination step (S170), the fuel cost according to the forced, unforced and fuel cost is calculated, and the system heat, energy production amount, (S180) for analyzing the result of the non-link system alone; The optimal operating condition of each system (10,20) is calculated by calculating the change in fuel cost due to the linkage, calculating the hourly and weekly trading volume at the time of linkage, calculating the linkage limit backward cost and the heat transaction unit price, And a linkage system analysis step (S190) of calculating an optimal linkage amount between each system (10, 20) based on the condition.