Mustafa Music

JP Elektroprivreda BiH d.d. Sarajevo | EPBiH · Department of strategic development

District heating networks present a high potential for the transition of the heat energy sector, both technically and organisationally. They allow integration of renewable energy, improve the overall energy efficiency, as well as facilitate sector coupling (coupling between heating, electricity and mobility). Many district heating systems could be...

A microgrid concept for the thermal and electrical energy supply of a Sport-Recreation Center Ajdinovići (S.R.C.A.) has been proposed in this paper. A self-contained and intelligent power distribution grid has been developed for this case, taking into account the location, locally available renewable energy sources and the very purpose of this cent...

Public interest in electric vehicles is rising with continuous development of this technology followed by global-warming awareness. Charging these vehicles introduces additional loading stress and could negatively impact the power quality parameters, especially if charged during daily peak-period. This paper investigates the effect of different loa...

Today, many power utilities are found at crossroads, facing challenges of decarbonisation and the imperative of competitiveness on the market, often considered as contradictory requirements for their further development. In this regard, a particular challenge is placed in front of utilities which generation portfolio is based on conventional resour...

Hybrid power systems (HPS) allow remote regions that are far from grid to have power supply. The grid infrastructure is expensive for these regions and HPS is the ideal solution. HPS provides reliable and sustainable power supply for industry consumers. Some of the benefits from HPS are the reduction in energy losses, economic losses and emission o...

This research paper in its first part focuses on the theoretical concepts of “innovation”, “innovation Management”, and “ICT innovation management”. The second part of the paper aims to follow results of the survey (research methodology) in determining whether the innovation is of interest to the participants of the survey. It questions whether ICT...

Modelling of harmonics in large medium voltage (MV) distribution networks has so far been a challenge due to the presence of a large number of harmonic sources contributing to total harmonic voltages. This study proposes a deterministic methodology of modelling harmonics in large real MV distribution networks using aggregate harmonic source models...

Distributed generation (DG) especially energy acquired from renewable energy sources (RES) plays a significant role in modern power sector due to high carbon emissions around the globe. It is an attempt to reduce these emissions and satisfy electricity demand. Its emerging potential is feasible by implementing microgrids. Higher cost and stochastic...

Microgrids are increasingly put forward as key concepts of future energy supply, complementing as well as transforming the conventional, centralized energy system. Here, the aim was to construct microgrid composed of wind and solar power plants, diesel generator and battery storage which will be independent of a large, centralized electricity grid...

In order to reduce carbon-dioxide emissions, Bosnia and Herzegovina will be required to achieve the renewable energy share of 20% in total energy consumption by 2020. Therefore, in the previous period an intensive construction of power plants based on renewable energy sources has been noticed. Aim of this paper was to analyze how different distribu...

For the assessment of wind flow model on locations in Bosnia and Herzegovina so far, linear model WASP is mainly used, while the suitability and reliability of the CFD models have rarely been studied. Due to the specific conditions which include the dominant wind from one or two directions and relatively complex topography of the potential sites of...

Conventional power utilities are faced today with challenges in terms of sustainable development and decarbonisation. Different measures are used to achieve the set targets, i.e. increase of RES, increase of energy efficiency and CO2 cut. In this work, a method for achieving CO2 cut targets has been demonstrated on a real power system, i.e. EPBiH p...

By intensifying the promotion of wind and solar energy potential in the world, a lot international databases have been developed, mostly based on relevant satellite images or recordings. In the case of Bosnia and Herzegovina (B&H) some databases exist. Comparative analyses between Elektroprivreda B&H (EP B&H) measurements on wind and solar energy p...

Many recent studies have dealt with the future of the power distribution system, and there are different technologies which will facilitate the development towards the smart power distribution grid vision. Plug-in electric vehicles (PEV) and distributed generation (DG) technologies will become integral part of this vision. PEVs are specific because...

A transition plan for conventionally structured generation portfolios dominantly based on coal fired plants has been offered through four models. The models are primarily focused on elevated penetration of facilities based on intermittent renewable sources and CO2 emission reduction by at least 20% compared to the initial state, accordingly address...

A trend of developing electricity distribution networks towards a concept of smart distribution networks has been noted for quite some time. Tendency to integrate all different systems installed in electricity distribution network has also been observed as a part of the trend. This creates the opportunity for distribution system operators to effici...

Već duži niz godina primijetan je globalni trend povećanja broja i snage distribuiranih generatora (DG) koji se priključuju na elektrodistributivne mreže. Ovaj trend je prisutan i u Bosni i Hercegovini, posebno nakon uvođenja sistema poticaja za proizvodnju električne energije iz obnovljivih izvora energije. Kao jedan od Operatora distributivnog si...

Harmonic voltages are important voltage quality parameters defined in EN 50160. For harmonic voltage studies in electricity networks, harmonic emission of loads is often modelled as harmonic current source. In this paper harmonic current sources were parameterised on the basis of measurements of total harmonic current emission of several different...

This paper investigates the possibilities and the sustainability of “biomass for power” solutions on a real power system. The case example is JP Elektroprivreda BiH d.d.—Sarajevo (EPBiH), a typical conventional coal-based power utility operating in the region of South East Europe. Biomass use is one of the solutions considered in EPBiH as a means o...

Power quality is one of the important challenges for the smart distribution grids. It is not possible to know the state of power quality in the network without appropriate measurements or monitoring. As an answer to need for power quality monitoring in smart distribution grids, this paper further develops the Integrated Power Quality Monitoring Sys...

In every power system there are consumer areas away from traditional power networks. Existing grid expansion can always be treated as one of the ways of powering them over long transmission and distribution lines. This is often characterized by significant transmission losses, as well as significant investments, depending on the distance and the in...

Sažetak: U skorijoj budućnosti se na tržištu automobila očekuje značajniji prodor plug-in električnih vozila (PEV), koja se mogu puniti iz elektroenergetske mreže. Stoga su različite analize uticaja punjenja PEV vozila na elektroenergetske sisteme potrebne i interesantne. Ovaj rad prezentira rezultate analize uticaja punjenja PEV vozila na primjeru...

Expected increase in plug-in electric vehicle (PEV) sales makes different analysis of their impacts on electricity distribution networks very interesting. This paper analyses the impacts of PEV charging on an example of a real low voltage (LV) distribution network for various PEV penetration scenarios (5 %, 10 %, 20 % and 50 %). Two main charging t...

Anticipated mass production and integration of plug-in electric vehicles (PEV) in the power system asks for the analysis of the impacts of PEV charging on different aspects of power system operation. This paper presents the analysis of the impacts of PEV charging on the example of a part of a real medium voltage distribution network from the Bosnia...

Öz —In terms of power sector restructuring and electricity market opening there have been significant changes in the functioning of activities at the level of Public Enterprise Elektroprivreda BiH d.d - Sarajevo (EPBiH). Distribution activity in an open electricity market is not a market activity, but the regulated activity, and although does not p...

Size and complexity of power systems impose significant challenges for the power system analysis and control. As the power system becomes more complex there is a great need to develop improved and sophisticated tools for power system analysis and simulation. These tools should be able to accurately replicate real events that occur in electric power...

The issue of backup for intermittent renewable sources comes with the relatively low capacity value and the very limited contribution to generation security that such sources have. However, beside standard compensation measures (power system flexibility, positive and negative reserve, etc.), inherent natural properties of wind and solar power resou...

In many countries, renewable energy technologies receive increasing attention. Several countries have set ambitious targets for integrating renewable energy sources into their power systems. A special place occupy wind power plants (WPP) and photovoltaic power plants (PVPP), characterized by variable output power in relatively short time intervals....

Main objectives of the paper were to examine the complementary nature of solar and wind energy in primary and in "useful" form. Analyses are performed on real, measured solar and wind potential data at the same site. Solar irradiation and wind power density have been assessed as primary forms. In order to examine effects of their complementarity in...

The current generation capacity structure of the Public Power Company Elektroprivreda B&H (EP B&H) of 70%:30% in favour of TPPs provides some advantages like safe and reliable supply, but promoting RES and their use in the generation portfolio of the company is a commitment in order to contribute to sustainable development plans and environmental p...

In this paper, the complementary nature of wind and solar energy has been considered, especially by analyzing output power variations from a photovoltaic power plant (PVPP), a wind power plant (WPP) and their combination in a hybrid system. For these purposes, an own model has been made, with calculations based on real wind and solar energy potenti...

Safe, reliable and sustainable energy supply is becoming one of the greatest challenges for the World. Key decisions have to be taken to drastically reduce CO2 emissions and fight climate change. For power industry, efforts are needed to substantially increase the uptake of renewable energy sources, high-efficiency cogeneration, district heating an...

Sažetak: Procesom liberalizacije elektroenergetskog sektora električna energija postaje roba, te je kao takva predmet ugovora između kupca i snabdjevača. Kao i drugi ugovori za isporuku roba, tako i ugovor za isporuku električne energije osim cijena i perioda isporuke, sadrži i zahtijevani nivo kvaliteta isporučene električne energije. Iako regulat...

This paper describes the extended algorithm for Voltage VAr control (VVC) which takes into account operational costs, flexible loads, batteries and demand management in smart grid solution. This algorithm shows how commercial and electrical conditions are taken into consideration and discusses related optimization issues. The practical aspects of o...

In distribution system, the subject of fault location has been of considerable interest for a long time. The objective of this paper is to develop Cumulative approach for fault location based on statuses of Fault Indicators (FI), Circuit Breakers (CB), Fuses and Fault Impedances from distance protection devices. This approach is using mainly graph...

Intermittent renewable generation plays a significant role in power system planning, hence the requirement for more exact data and resource representation for power system modeling is of high interest. It is therefore the aim of this paper to analyze properties of the wind resource in specific operating conditions. As Bosnia-Herzegovina (B&H) aboun...

Application maintenance is an important part of SDLC (Systems Development Life Cycle). Possible maintenance issues have to be considered during the initial application design and development. The aim of this paper is to present how database and GUI can be designed in an object-oriented way, and to investigate whether such design can contribute to r...

Because of the regulatory requirements for the quality of electricity supply being imposed in many countries, power quality is ought to be an important aspect of smart distribution grids. In this context, there is a need for the Integrated Power Quality Monitoring System, which would integrate all the power quality data available from various syste...

This paper describes measures which are being undertaken by EPBiH power utility, largest public electricity utility in Bosnia and Herzegovina, to improve its energy efficiency and keep on the track of the European targets outlined in the EU strategic documents and laid down by new energy efficiency Directive 2012/27/EU. By modernization its existin...

Most power systems in underdeveloped and developing countries are based on conventional power plants, mainly "slow-response" thermal power plants and a certain number of hydro power plants; characterized by inflexible generating portfolios and traditionally designed to meet own electricity needs. Taking into account operational capabilities of conv...

The smart distribution grids will have to supply the electricity according to power quality standards. Various measurement instruments, currently considered as cornerstones of smart grids (smart meters, protection relays, fault recorders etc.), do not measure all the power quality parameters specified in these standards. Some distribution system op...

This paper presents the findings of research into cofiring two Bosnian coal types, brown coal and lignite, with woody biomass, in this case spruce sawdust. The aim of the research was to find the optimal blend of coal and sawdust that may be substituted for 100% coal in large coal-fired power stations in Bosnia and Herzegovina. Two groups of experi...

Sažetak: Deregulacija elektroenergetskog tržišta i sve veća upotreba energetske elektronike, nelinearnih elemenata i nekih drugih potrošača, koji negativno utiču na kvalitet električne energije, dovodi do sve veće potrebe za aktivnim praćenjem kvaliteta električne energije u distributivnoj mreži. Elektroprivredna preduzeća u FBiH su dužna do 2015....

Sažetak: Smanjenje emisije stakleničkih plinova i ukupne potrošnje fosilnih goriva predstavlja globalni trend. Prelazak sa konvencionalnog pogona na električni pogon vozila omogućava djelimično ostvarenje ovih ciljeva. Nabavka električnih vozila se već subvencionira u mnogim zemljama Evrope. Većina svjetskih proizvođača automobila najavljuje pokret...

Renewable energy systems are becoming a topic of great interest and investment in the world. In recent years wind power generation has experienced a very fast development in the whole world. For planning and successful implementations of good wind power plant projects, wind potential measurements are required. In these projects, of great importance...

In power system, stability problem and problems with electromechanical oscillations or generators swinging are consistent in power system. Electromechanical oscillations are noticeable in characteristic variables of synchronous generators. Consequences of synchronous generator connecting on grid are physical nature, apropos more generators connecti...

This paper considers the problem of integrating distributed generators into the Bosnia and Herzegovina's (B&H) distribution system. B&H has a respectable hydro potential accommodation for small hydro power plants (HPP). Today, an imposing number of small hydro power plants (27 units/ 36.5 MW) is connected to the B&H distribution grid and tenths are...

Wavelet transform has been successfully adopted in many power system fields such as power system protection, power quality and transients analysis. Typical applications include power system protection, analysis of power system transients, power quality detection and classification, etc. Development of modern computer, communication and information...

Vortex flow meters belong in a class of the new technology flow meters as: magnetic, ultrasonic, carioles and thermal flow meters. But, although, vortex flow meters are based on relatively simple phenomenon, explained more then 80 years ago by von Karman, their application at the last two decades have not been so significant like other flow meters...

It is known that both phase and amplitude of an ultrasonic wave passing through Von Karman vortex street perpendicular on the bluff body axis, are modulated. Modulation is result of natural fluid flow in the Von Karman vortex street, absorption and dispersion of ultrasonic wave.This paper is intended to present influence of vortex shedding on the a...