The intellectualization of an electrical power system (EPS) creates a required infrastructure for the efficient transmission, distribution and consumption energy, is based on integration EPS with information networks. Significant disadvantages such are related to problems cyber security which have become particularly important in recent times. Currently, applied methods taken from technology no way connected specifics systems. purpose this article develop algorithm detect cyber-attacks...

Авторское резюмеСостояние вопроса: Задача определения места повреждения линии электропередачи относится к сложным и наиболее длительным операциям по восстановлению поврежденных участков электросети.Существующие методы параметрам аварийного режима обладают существенной погрешностью, обусловленной, как правило, неполным их соответствием реальной физической энергосистеме.Ц елью исследования является повышение точности на линиях электроперед ачи 6-35 кВ при двойных замыканиях землю.Материалы...

Power engineering digital transformation, the use of different intelligent electronic devices (IEDs), high-speed communication protocols provide extensive opportunities for relay protection and automation systems modernization power utilities. One most promising avenues development is design new devices, whose principles are based on elements artificial intelligence machine learning. The article discusses features application one common learning algorithms, support vector machine, by example...

The problem of fault location on transmission lines is the most difficult and lengthy technological operation to restore damaged areas supply. modern methods by parameters emergency mode have large errors due inaccuracy expressions determining distances mathematical models line. Improving accuracy location, reduction bypass area are relevant important tasks electric grid companies. aim research improve overhead power 6-35 kV with a double-earth fault. proposed method increases place damage...

The task of determining the fault location on a power line is difficult and longest operations to restore damaged areas network. Determining with double earth faults priority due high wear medium voltage networks absent currently accurate algorithms. usage phase coordinates method allows obtain calculated relations for distances nearest furthest point damage. A significant increase in accuracy achieved by using iterative recalculation, essence which rectify such parameters as transient...

The single-phase earth faults location are the predominant type of damage in distribution networks 6-35 kV. problem remotely determining fault during has not definitely accepted practical and accurate solution. article proposes substantiates intellectual methods with using artificial introduction short-term double faults. In future by recorded oscillograms currents voltages, an calculation distance to is assumed.

The approach of development relay protection algorithms based on statistical data analysis suggests a transition from traditional protections to innovative multidimensional recognition which are able use the available information for emergency states identification more efficiently. state parameters used usually combined into single space. This results in computational complexity algorithm. Thus, it is advisable implement generalized features. decision will make possible decrease dimension...

One of the ways to improve reliability electrical grids is associated with introduction complex and resource-intensive algorithms in intelligent electronic devices (IED) that perform functions relay protection automation at substations. Simulation modelling used study features protected object functioning its application makes it possible take into account variability grid states formation IED algorithms, which are characteristic analyzed section. In addition, this approach use for short...

It is difficult to develop precise algorithms for determining fault locations single-phase and double earth faults due the features of emergency modes in medium voltage networks 6-35 kV. The arbitrary configuration electrical complicates development universal and, as a rule, technical solutions are limited by need use one-way measurements mode parameters. article discusses new topology independent location that involve superposition method. application proposed justified results simulation...