RELIABILITY PROBLEMS OF AUTOMATED SYSTEM OF ELECTRICITY METERING (ASEM)

Authors

DOI:

https://doi.org/10.20535/1813-5420.2.2020.220720

Keywords:

utomated system of electricity metering, automated system of commercial electricity metering, reliability, communication channel, information protocol, data exchange, modernization, accuracy, economic indicators

Abstract

The materials of the article are an overview of modern technologies of automatic electricity metering in the unified power system of Ukraine. The article considers the structure of the local level of electricity metering of NEC UKRENERGO - the most important and most numerous components of ASEM, the operation of which largely depends on the reliability of the system as a whole. At all Ukrenergo substations, local-level ASEM are built according to a single standard scheme. The main devices used for the implementation of electricity metering are presented. Brief information on operating systems (OS) installed on servers and applied database management systems (DBMS) is given. The use of the local layer of the server in the structure of ASEM is due to the fact that at the time of work on the creation of ASEM and currently the data network from the aircraft to ASEM regional level does not fully meet the requirements for data rate and reliability. It is analyzed that in addition to the consumption of ASEM performs the function of controlling the quality of electricity and the impact of quality on power losses. The accuracy of available meters and the impact of measurement accuracy on the economic effect obtained from the introduction of technology are analyzed. The algorithm of the cluster system operation is highlighted. An overview of the main problems of implementation of communication channels, selection of devices, modernization of existing systems. The advantages and disadvantages of accounting systems based on "Fault tolerant" technology are shown. The article also covers various types of data collection systems (DCS), both modern and outdated, which are currently used in the unified energy system of Ukraine and which are planned to be implemented in the future.The results of the study showed that the modernization and increase of reliability of new systems of automatic electricity metering is important for the UES of Ukraine. It also shows a number of actions to improve reliability and uptime for ASEM as a whole.

References

1. The concept of construction of automated electricity metering systems in the energy market of Ukraine No32 / 28/28/276/75/54 dated 17.04.2000

2. Annex 7 (4) .III. WEM standard “Automated systems of commercial electricity metering of WEM entities. General requirements. - Kiev, 2006.

3. Instruction on the procedure for commercial accounting of electricity. NERC Resolution of June 26, 2003 No 612

4. The Scaleble Enterprise Server. www.nec-computers.com.

V.A. Fedorov. Postrelation DBMS Cache. InterSystems Corp., www.Intersystems.

Alexander Chesnavsky. DBMS Cache - interaction with the outside world. InterSystems Corporation,

alexander@intersystems.ru.

IEC 1036. International Electrotechnical Commission. Static active energy meters. Metrological specifications for classes 1.0 and 2.0.

8. GOST 30207-94. Interstate standard. Static meters of active energy of watt-hours of alternating current. (Accuracy classes 1 and 2).

9. Prakhovnyk A.V., Tesyk Y.F., Zharkin A.F., Novsky V.O., Hryb O.G., Kalinchyk V.P., Karasinsky O.L., Dovgalyuk O.M., Lazurenko O.P., Khodakivsky A.M., Vasilchenko V.I., Svetelik O.D. Automated systems of accounting and quality of electric energy. - Kharkiv: PE "Ranok-NT", 2012. - 516.

10. Tesik Y.F., Pronzeleva S.Y. The impact of metrological support on the efficiency of electricity use - Kyiv "Gyrotechnologies, navigation, traffic control and design of aerospace technology" No10, 2015, - 579.

Published

2020-12-23

Issue

Section

ENERGY SYSTEMS AND COMPLEXES