2.7 DEVELOPMENT FOR WEB APPLICATION
The setup procedure of performance evaluation was finally developed as web-based management software called Substation Performance Assessment (SPA). SPA software facilitates utility to manage their asset systematically. SPA software based on web application development using: Microsoft SQL Server 2008 for database server, Thin Web Server for web server, Ruby on Rail (RORs) as programming language on server side, HTMUCSS and JavaScript as programming language on client side. The basic functions of the SPA software are as follows: centralized database of technical data. maintenance data, operating data; data analysis for equipment performance evaluation according to six criteria as well as bay and substation performance evaluation; result display of performance in form of tables, charts, and some recommendations.