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Combined design and load shifting for distributed energy system

Ho, Wai Shin and Hashim, Haslenda and Lim, Jeng Shiun (2013) Combined design and load shifting for distributed energy system. Clean Technologies and Environmental Policy, 15 (3). pp. 433-444. ISSN 1618-954X

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Official URL: http://dx.doi.org/10.1007/s10098-013-0617-3


Renewable distributed energy generation (DEG) system plays an important role in future power developments and is one of the options to reduce energy consumption. It is envisaged that energy efficiency of DEG systems can be improved via load shifting (LS). This study proposed a heuristic-based numerical approach to perform LS analysis on renewable stand-alone DEG systems. The technique is an extension from a method known as the Electric System Cascade Analysis (ESCA). The new technique, which focuses on efficient electricity utilisation is able to determine the optimal: (i) load profiles, (ii) capacity of power generator, (iii) capacity and power of energy storage (ES) and (iv) charging/discharging schedule of ES. The stage-wise technique allows user to compare and determine the optimal design in a flexible way while having a better understanding of the selection of options. The application of ESCA-LS on a case study revealed that after incorporation of direct LS (load manipulation) in addition to LS by ES (supply manipulation), the power generators and ES capacity can be further reduced. While reduction of 3.1 % for solar-PV installation area and 3.9 % for biomass power generator is recorded, ES power-related capacity and energy-related capacity managed a higher reduction of up to 19.0 and 13.2 % for the main case study.

Item Type:Article
Uncontrolled Keywords:distributed energy generation (deg), energy storage (es), load shifting
Subjects:G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions:Chemical Engineering
ID Code:50354
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:02 Dec 2015 02:08
Last Modified:28 Jan 2019 04:30

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