Title:Управление на знанията. Интелектуален капитал
Author:Гълъбова, Лидия Петрова; Galabova, Lidiya PetrovaDate:2022Abstract:The aim of this monograph is to bring to the attention of the Bulgarian reader new knowledge crucial to the strategic management of organizations in the conditions of knowledge-based economy. The monograph summarizes over a decade of experience and considerable research in this field undertaken in Bulgaria, Scotland and Finland. The Knowledge ...Library:
Title:Experimental Set-up for Sensors Selection for Early Fault Detection in Innovative Modular Li-Ion Battery Systems Related to HELIOS H2020 Project
Author:Marinov, Marin B.; Ganev, Borislav; Todorov, Georgi; Ivanov, Ivan V.; Dimitrov, DimitarDate:2022-09-13Abstract:Lithium-ion batteries have already become a mainstream energy storage solution for many applications, especially for hybrid and electric vehicles (EV). Various malfunctions in the lithium-ion battery system (LIBS) can cause serious safety problems and significant performance determination. For the safe and efficient operation of LIBS, the ...Library:
Title:Изследване на програмируем токоизточник за електроекстракция на метали
Author:Захариев, Светлозар; Zahariev, Svetlozar; Димитров, Димитър; Dimitrov, DimitarDate:2009Abstract:The process of metal extraction of solution with low and middle concentration is of great interest. It is worked out with programming current sources. A programming current source for impulse current with computer process control is represented. Block-structural scheme and algorithm of the developed and investigated source is shown. Well ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Енергийна ефективност и светлинни технологии
Author:Василев, Христо Николов; Vasilev, Hristo NikolovDate:2009Abstract:The modern tendencies in a lighting technology and lighting energy efficiency are discussed in the paper. A review of the problems in that area is made. The global measures taken for improvement of the lighting efficiency and their influence on the methods and equipment used in lighting installations are pointed. The impact of those new ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Ограничаване на блуждаещите токове при постояннотоков релсов електрически транспорт
Author:Петкова, Полина; Petkova, PolinaDate:2009Abstract:DC electrical grid system for railway transport feeding in Bulgaria uses track rails as a return path (feeder) to the substation. When this type of feeding is used the underground utility structures and the transportation equipment are exposed to active corrosion because of the stray currents going from the rails to the earth. Overview of ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Интелигентни системи на електрически инсталации
Author:Иванов, Захари Александров; Ivanov, Zahari AlexandrovDate:2009Abstract:Everybody wants from us to make main comfort, security of the appliances, as well to better the quality of his life. New technology EIB for intelligent systems of electric facilities that considerably will relieve our life is made. It is the goal of the present work for it clarifies this new technology with her particularities and the ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Постояннотоков цифров амперметър за лабораторни стендове
Author:Ангелов, Иван; Angelov, IvanDate:2009Abstract:When building a new laboratory stands or upgrading of old ones require measuring the current through the shunt in the circuits [1]. Shunt is connected to a suitable measuring system with a scale corresponding to its parameters. Such measuring systems are relatively difficult and expensive. On the market there are many types of digital voltage ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Аспекти на промените в управлението на електроенергийната система, свързани с директива 2009/72/ес и произтичащи от тях възможности
Author:Кънева, Мария; Kaneva, Maria; Стоилов, Димо Георгиев; Stoilov, Dimo GeorgievDate:2009Abstract:The energy act in Bulgaria introduces new model for electricity market complying with Directive2009/72/EU that is to assure access to third party. In the dawn of common European market for electric energy it is important to study the possibilities for effective use of existing utilities as well as to introduce new for Bulgarian power system ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Изследване на енергийната ефективност на типови осветителни уредби в хотели
Author:Николова, Камелия Симеонова; Nikolova, Kamelia SimeonovaDate:2009Abstract:The current paper presents an analysis of the imposed ways in the lighting design practice of illuminating public areas with continuous working time in the most popular hotels (foyers). There are evaluated the annual expenses for illuminating these areas per square meter basis on multiple lighting design with different sources and controlling ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Система за мрежово управление и контрол на осветителни уредби в обществени сгради
Author:Пачаманов, Ангел Саракинов; Pachamanov, Angel Sarakinov; Петринска, Ива; Petrinska, Iva; Матанов, Николай Стефанов; Matanov, Nikolai StefanovDate:2009Abstract:The current paper presents a lighting monitoring and control system for public buildings, developed in the “Electrical Power Supply, Electrical Equipment and Electrical Transport” department of the Technical University – Sofia. The system consists of target units for the different rooms and a host unit for data storage. Every target unit ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Изменение на мощността на фотоволтаична система в експлоатационни условия
Author:Платиканов, Стойо; Platikanov, Stoyo; Цанков, Пламен; Tsankov, Plamen; Маркова, Дешка; Markova, DeshkaDate:2009Abstract:The Technical University of Gabrovo has participated in projects under JOULE, Copernicus and the Fifth Framework Program of the European Commission. The project entitled “PV Enlargement – Technology Transfer, Demonstration and Scientific Exchange Action for the Establishment of a Strong European PV Sector” under the Fifth Framework Program ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Конструирането на улични осветители съc светодиоди изисква нови бази знания
Author:Василев, Христо Николов; Vasilev, Hristo Nikolov; Георгиев, Вълчан Тодоров; Georgiev, Vulchan Todorov; Ганчев, Ганчо; Ganchev, GanchoDate:2009Abstract:The LEDs are the future of the lighting technology. The power of the single LED is in the range of 1-5 W and more. Therefore certain issues concerning the thermal management and lighting flux control arise. The body of the luminaries increases in size and weight which hampers the construction of the optical; system. The design of LED ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Стенд за изследване на реактивни товари с променлив характер и тяхното компенсиране
Author:Георгиев, Вълчан Тодоров; Georgiev, Valchan Todorov; Бойчев, Борислав Богданов; Bojchev, Birislav Bogdanov; Матанов, Николай Стефанов; Matanov, Nikolai Stefanov; Господинов, Васил Спасов; Gospodinov, Vasil SpasovDate:2009Abstract:The character of the reactive power of the load (leading or lagging) cash change according to the working regime in a specific topology of electrical power supply network. That can lead to significant financial expenditure dew to the power energy returned to the main. Different ways of compensation of reactive loads in such a case are ...Library:
TECHNICAL UNIVERSITY - SOFIA
Title:Изследване на кaчеството на електрическата енергия в електроснабдителна система ниско напрежение захранваща помпена станция
Author:Цветкова, Светлана Георгиева; Tzvetkova, Svetlana Georgieva; Петлешков, Ангел Стоянов; Petleshkov, Angel Stoyanov; Цанев, Цанчо Борисов; Tzanev, Tzancho BorisovDate:2009Abstract:The frequency drives are basic element in the automation and control systems of the pump units. The large use of frequency drives lead to worsen of the electrical energy quality indexes and increasing of the active power and electric energy losses in the basic elements of the electric supply system. Results from measurement and analysis of ...Library: