Rational Accommodation Model of DREs for Peak-Shaving in Ubiquitous Power Internet of Things

doi:10.3969/j.issn.1000-7229.2019.12.015

Abstract

Abstract: One of the goals of building ubiquitous power internet of things is to promote the accommodation of renewable energy. However， distributed renewable energies (DREs) have some problems， such as difficulty in dispatching by power grids and high cost of absorption. On the basis of the idea of ubiquitous power internet of things， DREs represented by wind power and photovoltaic power， conventional gas turbine， energy storage system， controllable load are incorporated into peak-shaving resources in the form of virtual power plant， and a peak-shaving model for DREs accommodated rationally is built. The improved IEEE 30-node system is selected， membrane computing based on distribution estimation is used to calculate the operation cost of peak-shaving system and DREs absorption degree under three different combination modes， and then a comparative analysis is made. The results show that peak-shaving resources are used more efficiently， and a win-win situation of the absorption of renewable energies and the economy of peak-shaving system is realized， when the peak-shaving mode for DREs absorbed rationally is used.

Key words: distributed renewable energy（DRE）, peak-shaving, virtual power plant, rational accommodation, membrane computing

CLC Number:

TM 73

QIN Yujie， HU Jian， JIAO Ticao. Rational Accommodation Model of DREs for Peak-Shaving in Ubiquitous Power Internet of Things[J]. Electric Power Construction, 2019, 40(12): 120-128.

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