Abstract

The paper deals with the problem of the accounting of renewable energy sources and energy storage systems in assessment of power system adequacy. Development of renewable energy sources and energy storage systems in the present day power systems is one of the main focuses. In power systems of some countries the share of electric energy generated by renewable energy sources is above 50 % in the energy balance. Therefore, the plans on development of the present day power systems must be elaborated with the proper accounting of operation of renewable energy sources and energy storage systems and the sound capacity reserves in terms of these facilities. The paper presents the algorithms for the accounting of renewable energy sources and energy storage systems. The experimental studies performed illustrate feasibility of the suggested algorithms.

Highlights

  • The present day power systems are characterized by the large-scale integration of renewable energy sources (RESs) and energy storage systems (ESSs)

  • This study suggests a single-step procedure for determination of WPP capacity for generation of a random power system state

  • If the considered SPP consists of several types of solar cells with different capacities and probabilities of failures, the common distribution series of SPP operability is obtained by multiplication of the series

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Summary

Introduction

The present day power systems are characterized by the large-scale integration of renewable energy sources (RESs) and energy storage systems (ESSs). As concerns ESSs, they are characterized by some specific features, which influence electricity supply reliability within power systems. This work deals with the accounting of the features of RES and ESS operation in adequacy assessment, which is a power system property to satisfy consumer requirements within the specified values and limitations on supplies of energy resources in terms of the planned and unforeseen interruptions in the work of its elements and operating constraints [1]. The accounting of RESs and ESSs in the adequacy assessment will make possible the resolution of such important, practical and critical tasks facing the electric power industry as: - validation of RES and ESS integration into power systems;. The situation with the initial data on the renewable energy resource activity is the same: the models of power system adequacy assessment require special algorithms to be applied to obtain data on its activity

Power system adequacy assessment
Modeling of RESs for power system adequacy assessment
Modeling of SPPs for power system adequacy assessment
Modeling of ESSs for power system adequacy assessment
Experimental studies
Conclusion
Full Text
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