ซิกซ์ ซิกม่า The Study of Electricity Savings with Six Sigma Quality Control Standards

Abstract

        This article presents the study of energy saving measures of electrical engineering buildings, Rajamangala University of Technology Lanna, Chiang Rai. This study used Six Sigma quality control standards. The studied data and the problematic conditions found that electricity cost was relatively high. Therefore, the energy saving measures were studied by recording electrical energy in five sample rooms, including Instructor room (lounge and personal offices) and classrooms (3 rooms). Data was analyzed for electrical energy usage in accordance with the Six Sigma quality control procedures by measuring the efficiency of the current process an improving the efficiency of the experiment (after adjustment). The Six Sigma improvement process were (1) define, (2) measure, (3) analysis, (4) improve and (5) control. Measurement results and the current electricity consumption analyzed revealed that the electric power consumption was 92.38 KWh and after the improvement process could reduce the amount of electricity consumed to 77.77 KWh. This could save energy about 14.61 KWh or 16% which cost 8,268.53 baht per month. The processes that affect the reduction of electricity consumption were processes No.4 and No 5, respectively.