Abstract
The article discusses the possibility of using data from smart electricity meters (SEM) to increase the accuracy of calculation losses in 0.4 kV low-voltage networks. An increase in accuracy can be achieved using actual data about the load graph of electricity consumers (in this case, 6(10)-0.4 kV transformer substations are meant). To date, the operating load factor is taken equal to 0.5, which does not always correspond to the actual data. Using SEM, actual load graphs can be obtained, which enable more accurate determination of the operating load factor. Consequently, the accuracy of calculation of electrical energy losses will be increased.
Highlights
The modern electrical power industry is transformed under the influence of advances in technology
Increasing the reliability of information on operating load factor can be achieved by using big data obtained from intelligent electricity metering systems, in particular, half-hour power for the considered period
Taking into account the installation of Smart electricity meters (SEM) at the input of transformer substations (TS), the information should be collected from substations that are part of the region of electrical networks (REN), since the calculation of electricity losses is carried out separately for each REN; the information required to calculate the operating load factor can be presented in the form of table 1
Summary
The modern electrical power industry is transformed under the influence of advances in technology. The Smart Grid (SG) technology is the most widely developed This term means the concept of a fully integrated, self-regulating and self-healing electrical power system with a network topology which includes all generating sources, main and distribution networks and all types of electricity consumers controlled by a single network of information-control devices and systems in real time [1,2,3,4,5,6]. Smart electricity meters (SEM) are one of the key technological areas and an important component of the modern energy system based on the SG concept [1]. Analysis of SEM functions shows that the issues of influence of metering systems on the process of calculating the amount of electricity losses in a network are not considered yet
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