Models of Optimal Operating Modes of the Water-Economic Complex on the Basis of Hydro Resource Price Evaluation

Yury Sekretarev,Sergey Mitrofanov,Murodbek Safaraliev,Natalya Zubova,Xi Chen,Tatyana Myateg,Aminjon Gulakhmadov,Olga Atamanova

doi:10.3390/math10050765

Abstract

The purpose of this article is to solve the problem of determining the cost of a water resource for the participants of the water-economic complex (WEC) on the basis of the optimal control of hydro power plants’ (HPP) functioning, taking into account their regime characteristics and requirements. In this work, a universal method, which combines an optimization method and a method for assessing marginal utility, was proposed to assess the cost of the hydro resource and control the operating modes of the WEC. The method developed by the authors involves the use of water balance, the adequate representation of the incremental rate characteristic and the determination of the cost of the hydro resource for the control of the operating modes of the WEC and HPP. Using the example of the Novosibirsk WEC, as well as HPPs and TPPs, an assessment of the energy efficiency, proposing the concept of a developed methodology for determining the price of water for HPPs and all participants in the WEC, will be obtained. Based on the results of the implementation of the developed approach at Novosibirsk HPPs, the electricity sales price competitive electricity market can be matched with the electricity sales price generated at TPP, which will be approximately 0.16 ¢/kW ∗ h.

Highlights

IntroductionDiminishing the energy of the technological process and the end product of power system operation to zero
Let us give a practical implementation of the developed methodology using the example of Novosibirsk Hydropower plants (HPP) and an equivalent thermal power plant (TPP), consisting of NTEP-2, NTEP-3, NTEP4 and NTEP-5 for each season of the year, since energy consumption has a pronounced seasonal character
Since the role of environmentally friendly technologies is increasing in modern circumstances, the topic of this work is as relevant as possible, since it involves solving the problems of investigating the models for optimal control of the hydro resource of the entire water-economic complex based on determining the cost of the hydro resource, taking into account the operational characteristics of the HPP

Summary

Introduction

Diminishing the energy of the technological process and the end product of power system operation to zero. Hydropower plants (HPP) are power plants that use the movement of water masses in channel runoffs and tidal motions as a source of energy. Methodologies for solving optimization problems in the case of HPP cascades are significantly complicated and not fully studied [5–12]. The reason for this was the absence in the 1970s–1980s of the necessary powerful automation tools required for solving such problems [13–18]. At present, when dealing with big data, and when decisionmaking is facilitated for a decision maker by the availability of appropriate super-powerful computing technologies, this problem has been solved [19–24]. Approaches to solving optimization problems should meet modern requirements [5,25–29]

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Discussion

Conclusion