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Publications (18)
SCADA is a comprehensive energy management software designed to monitor, analyze and optimize the use of electrical energy. It provides detailed data on energy consumption, power quality and system performance, enabling organizations to make informed decisions and improve operational efficiency. In this report, the electricity consumption of Techni...
Achieving high quality of electrical energy, and hence reducing losses, is an important task in modern power systems. Active filters are generally used to compensate for current and voltage harmonics, but in many cases they also have other functions such as reactive power compensation, current and voltage balancing, zero-sequence current compensati...
ISSN 2367-6620 (online) Комуникации том 22, брой 3/2, 2024 г. Научно списание http://www.mtc-aj.com статия № 2529 Технически университет-Варна ул. "Студентска" 1, 9010 Варна РЕПУБЛИКА БЪЛГАРИЯ
Ключови думи: Методи на компенсиране, филтрокомпенсиращи устройства, пасивни филтри, активни филтри.
Резюме: Филтрокомпенсиращите устройства (ФКУ) са предн...
The report presents an analysis of the new measures to increase the energy efficiency of passenger ships as a result of complying with the SEEMP requirements, to provide a global overview of the energy consumption of passenger ships and to present measures to improve their energy efficiency. Cruise ships over 200 m in length operate at high voltage...
Electric motors account for 80% of electrical energy consumption in industrial plants. In most cases, asynchronous motors with a cage rotor are used, and in the last few decades there has been a tendency to control them with frequency converters and with relay contactor schemes, with the aim of better adapting to the needs of the load, reducing inr...
The article presents an analysis of electricity consumption modes in a public service building. The relevance of the task of maintaining load stability is constantly increasing, as processes become more and more complex. The critical load parameters are the most important factor that defines the limit of static stability of the load and establishes...
![Fig. 3. Torque M[Nm] and speed n[rpm] of Motor 1.](profile/Milen-Duganov/publication/367606377/figure/fig3/AS:11431281283215895@1728678200948/Torque-MNm-and-speed-nrpm-of-Motor-1_Q320.jpg)
![Fig. 5. Torque M[Nm] and speed n[rpm] of Motor 2.](profile/Milen-Duganov/publication/367606377/figure/fig5/AS:11431281283215896@1728678201698/Torque-MNm-and-speed-nrpm-of-Motor-2_Q320.jpg)
Brought forward in the paper is a simulation study into a section of the power supply system for the trolleybus transport in the city of Varna, Republic of Bulgaria. The simulation reproduces the conditions of the city’s current medium voltage power supply system (MV), that of the rectifier stations, the catenary and the pertaining trolleybuses. Th...
The paper explores the possibilities for the use of DAQ devices in developing specialised diagnostic systems for monitoring and diagnostics of electrical equipment with asynchronous electric drives and autonomous synchronous generators. The primary focus is on the construction of a system responsive to different complementary diagnostic methods, su...
The report presents a theoretical and experimenttal study of a physical model of a thyristor-controlled series compensator - TCSC. The effect in terms of voltage regulation and reactive load compensation of a three-phase scaled physical model was studied. The research includes software simulations and experimental studies with a functioning prototy...
