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Economic Assessment of Standby Diesel Generator for peak reduction in Commercial and Industrial Buildings:A Case Study in Malaysia

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Journal of Electronic Science and Technology 2017年第4期15卷 400-406页

作者： Kein Huat Chua Yun Seng Lim Jee Xiong Chew Universiti Tunku Abdul Rahman Cheras 43000 Malaysia

This paper outlines the barriers and potential benefits of using standby diesel generators in mitigating the peak demands for commercial and industrial customers. The feasibility of utilizing the standby diesel generators to reduce the electricity bills for customers is carried out by using the hybrid optimization model for electric renewable(HOMER)software. The size of the standby diesel generator and its operational duration are determined based on the lowest cost of electricity obtained from the evaluations. The economic assessments demonstrate that there is potential to reduce the electricity bills for commercial and industrial customers under the existing fuel price and tariffs. The commercial customers under the tariff C2 have the highest potential to save their electricity bills with the use of standby diesel generators for peak reduction. This study demonstrates the potential of the standby diesel generators in peak reduction.

关键词： Commercial and industrial customers cost of electricity hybrid optimization model for electric renewable(HOMER) peak reduction standby diesel generator

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Available Power Analysis for Background Tasks on Ubiquitous Sensor and Actuator Networks

Available Power Analysis for Background Tasks on Ubiquitous ...

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The second International Conference of Electrical and Electronics Engineering(ICEEE 2011)

作者： Junghoon Lee Cheol Min Kim Ho-Young Kwak Jikwang Han Dept.of Computer Science and Statistics Jeju National University Dept.of Computer Education Jeju National University Dept.of Computer Engineering Jeju National University

This paper first presents the sensor data processing framework integrating a power consumption scheduler for control actions, and then analyzes the available power for background tasks which are continuously performed using the remaining power. As the scheduler is designed to reduce the peak load for the given task set, it can make flatter the consumption level of dynamic tasks activated by the event detection. The experiment result obtained from the prototype implementation reveals that the proposed scheme can improve the minimum available power by up to 17.9 %, compared with the Earliest scheduling scheme, having a smaller standard deviation over the slots included in a scheduling window. Hence, our framework can achieve cost savings as the sensor network can purchase a smaller amount of energy from a utility company and can be built with lower power transmission capability.

关键词： smart grid power consumption control peak reduction background task available power

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