scholarly journals Low-voltage electricity network monitoring system: Design and production experience

2020 ◽  
Vol 16 (1) ◽  
pp. 155014772090362 ◽  
Author(s):  
Aleksandar Stanimirović ◽  
Miloš Bogdanović ◽  
Milena Frtunić ◽  
Leonid Stoimenov

This article describes the low-voltage distribution network monitoring system developed for the Electric Power Industry of Serbia electricity distribution company. The implemented system is deployed in two different regional centers of the Electric Power Industry of Serbia and is being used in production for the past 4 years. During this period, it has collected real-life data which was used to analyze and investigate low-voltage distribution network performances as well as to identify and study energy losses in low-voltage distribution networks. The main contribution of this article is represented by the real-life monitoring and control infrastructure implementation insights. Furthermore, the system we describe in this article became a part of company’s enterprise information system, thus becoming integrated with heterogeneous information sources. This integration generated additional values to the company since the collected measurements started to improve the quality of the decision-making system for everyday business processes.

2019 ◽  
Vol 18 (1) ◽  
pp. 041
Author(s):  
Aleksandar Stanimirović ◽  
Miloš Bogdanović ◽  
Nikola Davidović ◽  
Aleksandar Dimov ◽  
Krasimir Baylov ◽  
...  

Interdependency of electric power grids and information and communication technology is a rapidly growing topic. With the introduction of Smart Grid, handling dynamic load tracking, dynamic tariffs, clients that can consume but also produce electricity that can be delivered to the grid has become a part of everyday operational cycles within power supply companies. Hence, electricity distribution and power supply companies are in need for introduction of efficient mechanisms for the optimal tracking and use of available electric energy. In this paper, we describe the low voltage (LV) distribution network monitoring system developed for the Electric Power Industry of Serbia (EPS) electricity distribution company. The system we present is implemented in a way so that it provides abilities to measures, communicates and stores real-time data, translating it into actionable information needed by EPS to meet the described challenges regarding LV distribution networks. The implemented system is using self-adaptive autonomic computing techniques to provide a reliable data transfer from measurement devices deployed in different parts of the LV distribution network.


2020 ◽  
Vol 23 (8) ◽  
pp. 922-939
Author(s):  
N.V. Malinovskaya ◽  
M.D. Malinovskii

Subject. This article deals with the issues relating to improving integrated reporting in terms of dovetailing strategic objectives with capital changes. Objectives. The article aims to develop a system of indicators for disclosure of capital types in integrated reporting of electricity generating companies, as well as recommendations aimed at implementing the fundamental concepts and guiding principles of integrated reporting. Methods. For the study, we used the methods of analysis and synthesis, comparison, generalization, and abstraction. As a case study, we conduct a comparative analysis of the disclosure of six types of capital by the largest electricity generating companies, namely PAO Inter RAO, AO Rosenergoatom and PAO RusHydro. Results. The article formulates proposals for disclosure of capital information to address such a lack of accountability as a contradiction to the principle of coherence. It proposes a system of indicators (core and additional) for disclosure of six types of capital by electricity generating companies. Conclusions. A significant reporting problem is the lack of correlation between key strategic objectives and capital changes. The formulated recommendations for disclosure of capital information can help solve this problem, and increase the attractiveness of the integrated report for capital providers.


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