A METHOD TO DETERMINE THE BEST ECONOMIC POINT FOR PLANT OPERATION
Publication Date: 2017-Aug-08
The IP.com Prior Art Database
The Best Economic Point (BEP) methodology is currently in use in LI-EOP to determine efficiency gaps particularly for HyCO plants and converting those into monetary value. The benchmark for determining this gas is best performance of the KPE under consideration under operating conditions that are the same or similar to the current conditions. Thus, there are three basic tasks involved in this approach: 1) determine a KPT or a set of KPIs suitable for representing plant-wide efficiency, 2) agree upon operating conditions that must represent current operating conditions (these may be production values or quality variables), and 3) use some methodology to determine the closest operating conditions form historical SCADA data.
The first two tasks have been part efforts in other efficiency programs such as Daily Energy Management (DEM) and related R&D efforts, and generally require some process knowledge.
The task of determining the closest operating conditions from historical SCADA data is purely mathematical and is currently being performed by means of sequential filtering: the variables of interest are arranging in a particular sequent and are then filtered one after another. However, this may lead to the search becoming quite narrow very quickly or no solution may be found. The filter used can also be arbitrary. In the current IP search none of the methods used were applied to chemical processes.