Jerzy Stanislaw Zielinski

University of Lodz · Department of Computer Science

The paper begins with a short presentation of Smart Grid (SG) being the starting element of a chain of developing the idea of “smartness” not only in power but also in all industry branches implying growth of data generation (Big Data problem). Parallel to the smart-and the big data problems, new informatics tools, such as Cloud Computing (CC) and...

The paper begins with a short presentation of Smart Grid (SG) being the starting element of a chain of developing the idea of “smartness” not only in power but also in all industry branches implying growth of data generation (Big Data problem). Parallel to the smart-and the big data problems, new informatics tools, such as Cloud Computing (CC) and...

Smart Grid with RES generates many data and Cloud Computing with Internet of Everything can support data mangement.

The paper try to explain necessity of Smart (Grid, Cities, Devices) development and they participation in growing Big Data. From definition of Smart Grid results that SG with injected Renewable Energy Sources (RES) are consumer oriented, what change traditional hierarchical management system in power. Parallel to growing big data there arise new in...

. The paper starts from description of series blackouts which implied to take into account necessity of application smart on transmission as well in distribution level where dispersed renewable energy resources (RES) are injected. Definitions of microgrids, smart grids and their characteristics are presented. New idea of the so called transactive e...

. The paper starts from description of series blackouts which implied to take into account necessity of application smart on transmission as well in distribution level where dispersed renewable energy resources (RES) are injected. Definitions of microgrids, smart grids and their characteristics are presented. New idea of the so called transactive e...

The paper starts from description of series blackouts which implied to take into account necessity of application smart on transmission as well in distribution level where dispersed renewable energy resources (RES) are injected. Definitions of microgrids, smart grids and their characteristics are presented. New idea of the so called transactive ene...

Definitions of Smart Grid (SG) and microgrid open the paper. When resiliency is compared to self-healing, one can see that resiliency contains functions of self-healing as well as additional services. Nanogeneration and integration of electricity and gas systems are considered in the section entitled Miscellaneous. In the conclusion, the author emp...

Paper consists of three parts: the first presents short history of Smart Grid (SG) and it's main characteristics, the second considers big data and the third introduces idea of IoT and IoE as well as their applkication in all life cycle of the SGof th

The aim of this paper is to consider the main principles of the Internet of Things (IoT) and Internet of Everything (IoE) within the context of building a Business Model (BM) and data flow limitations for an e-balance EU project. Authors have addressed the need of creation of a business model type, which will be dedicated to the concept of the Inte...

The aim of this paper is to answer the following question: May or should the Internet of Things supports the Smart Grid development and operation? This question may be answered based on examples of the IoT or Web of Things (WoT) applications in the Power Systems and Smart Grids. The following cases have been presented: a concept of the IoT applicat...

The goal of this paper is to publish the first results of the e-balance project. This project is strictly related to the Smart Grid (SG) development and dedicated to the issue of local energy management with possibly high saturation of Distributed Energy Resources (DER) and different levels of availability of smart appliances at homes. Different as...

Introduction presents a list of difficulties in an electrical energy delivery in traditional centralized natural monopoly power systems: blackouts, fossil fuel limitation, growing environmental pollution and opposition against new transmission lines construction. Smart Grids (SG) with large number of renewable energy sources development may to brin...

Starting from Smart Grid (SG) definition and short description of contemporary distribution grids, paper presents review of selected bibliography devoted to answer: what is necessary for upgrading existing – to Smart Distribution Grids (SDG) Following issues are upon consideration: technologies for SDG, Information Communication Systems (ICT), Dist...

The chapter starts with SG characteristics presentation and interpretation implying on architecture of Distribution SG. Distribution SG Advanced Distribution Management Systen (ADMS), Advanced Metering Infrastructure (AMI) and Wide Area Monitoring (WAM) using new Information & Communication Technology (ICT)>

Rozwój OZE w kraju odbywa się żywiołowo (z wyjątkiem farm wiatrowych), dominują elektrownie wiatrowe głównie pierwszej generacji, wywołując niejednokrotnie sąsiedzkie spory. Celem artykułu jest przedstawienie problemu rozwoju OZE na przykładzie jednej z gmin położonej w środku kraju, oceniając stan obecny i potrzeby gminy przy zastosowaniu kryterió...

Smart grids and thereafter open grids development implies changes in organizations, technical equipment Power Networks (especially ICT). These new grids influence also on organization and operation of the energy markets, for which it is very important to know correct forecast (mostly short-term) of an electrical energy demand. Excessive requirement...

. Deregulation of power starting in the end of 20th century is a basis for Smart Grid development. Definition of Smart Grid as well as it’s interpretation has been presented in the first paragraph. Renewable Energy Sources in result of their operation can be considered as virtual power plants as well as Microgrids being part of Smart Grids. Also so...

The aim of the paper are selected problems resulting from Renewable Energy Sources (RES) intrusion into Smart Grids (SG) presentation. Upon considerations there are: wind turbines influence on power system operation, RES and microgrids operation with a Power System, new Energy Market for islanded and connected to power system microgrid, Energy Mana...

The growing role of renewable energy resources (RES) in a energy-fuel balance is a necessity because of the EU energy block and numerous advantages of RES. Saving of energy resources, reduction in gas emission and environmental issues are only some of core arguments for renewable energy resources. The aim of this paper is to present the possibiliti...

This paper begins with an introduction of the basic problems of traditional electric power systems that intend to develop Smart Grids (SG). The characteristics of the SG, as well as those of the new ICT systems and the New Energy Market that accompany the process of SG development, have opened up wide areas of research supported by the EU. An overv...

Difficulties in shaping the energy market with distributed generation (renewable energy) due primarily to the barriers to formal legal and financial, organizational, technological and structural functioning of the country. This article tries to identify those barriers in the context of the specific areas of their formation on the current functionin...

Energy security is one of the most important target in the EU activity implied decision on ICT development for effective management in Smart Grids. Smart grid implementation influence on organizational, technical and social area, which can be solved with support of the ICT only. In the paper importance of the ICT in the smart distribution grid envi...

W artykule przedstawione zostaną poglądy Autorów na temat wirtualności. Ich zdaniem ostatnio zauważa się zbyt pochopne i nadmiarowe używanie tego sformułowania. Zamierzeniem Autorów jest uporządkowanie pojęć, a w tym celu przytoczyli przykłady wirtualnych obiektów i zjawisk w różnych dziedzinach nauki i praktyki.

The paper presents the Author's experienceconcerning DER (Disperse Energy Resources) intrusion into existingelectric power system in Poland. Intrusion DER into distribution networks changes idea of power delivery to customers implying a lot of problems and challenges for present electric power system. Growth of share DER in electric balanceis neces...

The paper presents review of papers devoted to and Artuficial Intelligence application in transformer designing, tests and operation

The paper discusses operational consewuences resulting from dispersed generation intrusion into distribution network

The paper considers operational results implied by collaboration fo microgrid with distribution entwork

Contemporary state of renewable electricity in Poland depends on the following facts: (1) installed capacity in existing power plants exceeds the electrical energy consumption, necessity in pollution limitation according to EU regulations needs exchange old power plants with new electrical energy sources, (2) according to J. Biedrzycki et al. (2003...

RES injeection into distribution network needs to development new energy market different from the existing traditional hierarchical market

In the paper hwas been presented Artificial Intelligence toolsa applied in forecasting, designing as well as Energy Market operation

Combining spatial, population and infrastructure data in a single database utilises municipal information to the full and facilitates versatile new applications and services. Despite this logic, geographic and non-geographic data have traditionally resided in separate municipal systems. As a result, work processes have tended to overlap and data ha...

This paper investigates the problem of the short-term electrical load forecasting (STLF) in medium size utility. The model consisted of ensemble of the neural predictors with special heuristic input selection procedure is presented. We also discuss the problem of uncertainties involved in load forecasts, and confidence intervals calculation methods...

Intelligent Knowledge Based Systems in Electrical Power Engineering details how intelligent applications can be used in the power industry. The book gives a general and historical overview of intelligent knowledge based systems (IKBS) and artificial intelligence (AI) and a broad analysis of the application of these techniques in the electrical powe...

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Algorithm of interactive program used for designing of measurement transformers is described in this paper.

The paper presents a new approach to the definition of the N-n-phase group component square matrices with application of the Kronecker's product. A result of Kronecker's product is the n-th degree four dimension (4-D) matrix.

The paper presents an application of the results of the three dimensional matrices theory of the chain line to the choice of the multipoles number for modelling transients due to energizing the lossless, multiphase long line.

The paper presents an application of the three-dimensional matrices in the 2(p plus 1)-pole theory developing them for the symmetrical multipole theory and for the chain equation of a symmetrical multiphase line.

A new idea of digital transformer differential protection and a short description of the associated algorithm obtained by statistical investigation of the inrush current are presented. The flow chart of the new algorithm is given.

The paper presents some definitions and theorems of the method of characteristics and practical applications of this method to power lines. Theoretical considerations and computations are the basis for the conclusion that the eigenvalue approach in the method of characteristics is the unique algorithm for transient analysis in n-phase (n greater th...

The paper presents results of statistical investigation of the inrush current and conclusions concerning utility of the results for digital transformer differential protection. A low-voltage laboratory transformer was put to the test by energizing it 300 times while recording current and voltage of one phase. An example of the current and voltage o...

The paper presents a mathematical model of a circuit breaker with random variation of parameters, applied in the analysis of transients due to switching-on an unloaded three-phase power line. The results of statistically elaborated computations are tabulated.

The paper presents some new ideas on the correct selection of a linear transformation for the analysis of asymmetries in multiwire power lines. Asymmetries are analyzed without application of linear transformations. The influence of different types of linear transformations on diagonalization of the impedance matrix in double circuit power lines is...

Measurements of overvoltages caused by switching-off a double-cage locked motor with and without a given real system. The maximum overvoltages were obtained both by an analog and by a digital computer. Equivalent circuits of a double-cage locked motor are derived. Summaries in Polish and in Russian are included.

In the paper the problem of the application of neural predictors for Short-Term Load Forecasting (STLF) for energy transactions planning in utility is presented. Several aspects of this topic are discussed, including identification of different load patterns for holidays and customer profiles, estimation of prediction intervals and optimal size of...