2009. №12

СОДЕРЖАНИЕ

GENERAL PROBLEMS OF ENERGETICS

Modern status of energy equipment availability and reliability statistics

Rimov A.A. , JSC «All-Russian Thermotechnical Institute»

The reasons the traditional order of gathering and processing of statistical data have been cancelled are considered. It is shown that the treated power units and basic established equipment statistical information promotes acceptance of adequate administrative decisions on availability planning, increase of the equipment efficiency, manufacture and purchase of spare parts. The situation formed with statistics in domestic electric power industry is compared to existing foreign systems of the statistical data account and processing. Recommendations on restoration and development of the domestic power equipment statistical databases are offered.

Keywords: power equipment, availability, reliability and efficiency factors, rule of statistical account, restoration of databases.

Critical analysis of reforming of electric power industry of Russia

Kitushin V.G. , Byk F.L., Novosibirsk State Technical University

Distinction of concepts "reforming" and "reorganization" is entered. It is marked, that structurally the electric power industry is reformed, and on start of mechanisms, especially mechanisms of pricing - is restructured. Lacks of an operating education system of the price, its complexity, labor input, groundlessness of risks are specified.

Keywords: reforming, re-structuring, mechanisms of formation of the price, optimality, risks.

50 years of Joint Dispatcher Control of Siberia Power System

Half-century of Joint Dispatcher Control of Siberia Power System

Denisenko A.V., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

On ensuring reliable power system Siberia in connection with the accident at the Sayan-Shushenskaya GES

Shulginov N.G., Joint-stock company «SO EES»

Short-term forecasting energy consumption of power systems by artificial neural networks

Voronov I.V. , Politov E.A., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

This article presents possibility of short-term forecasting power system energy consumption with neural network applying. A methodology of selection neural network optimal configuration with help of genetic algorithm is offered. Forecasting of energy consumption of power systems of Kuzbass, Krasnoyarsk and Irkutsk was made and forecast accuracy was calculated.

Keywords: forecast, forecast model, power system, power consumption, neural networks, genetic algorithms.

Operating modes of transmission lines 500 kV with shunting reactors

Raskovalov Yu.V. , Lir E.A., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

In article questions of application of shunting reactors are considered. The purposes and tasks which reactors carry out are determined, depending on an operating mode.

Keywords: shunting reactor, controlled shunting reactor, structure of reactors on overhead transmission line, the induced voltage, resonant overvoltage, a cycle of single-phase automatic repeated turning

Earth fault protection in a stator winding of generators in power stations of interconnected power system of Siberia

Vainshtein R.A , Tomsk polytechnic university, Lapin V.I., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System, Naumov A.M., Ekra Ltd., Doronin A.V., Ekra Ltd., Yudin S.M., Tomsk polytechnic university

Long-term experience of development and operation of earth fault protection in a winding of stator of generators in power stations OES of Siberia is generalized. As the basic method of protection application of a direct current or an alternating current with frequency of 25 Hz in primary circuits of stator is used. Applying a direct current is used for the turbogenerators which are working in the block with the transformer and not having galvanic connection with an external network or with other generators. Operating experience of protection with applying a direct current with the device for the continuous control of equivalent resistance of stator circuits relative to the ground has shown that it has properties of revealing some defects and damages in an early stage. Implementation of a checking current with frequency of 25 Hz can be applied in electroinstallations with a resonantly earthed neutral. On the basis of this method the protection of the generators working on busbar, of hydrogenerators with a resonantly earthed neutral, including in the integrated blocks with the generators working in parallel to one winding of a low voltage of the transformer are realized. Now in most cases the method of application of a checking current is used in structure of the complex digital devices of relay protection which are produced by Ekra Ltd.

Keywords: stator winding, earth fault protection, application of a checking current.

Algorithm for assessing the technical efficiency of the differential current protection

Prutik A.F. , Shmoilov A.V., Tomsk polytechnic university

An analysis of the operation of differential relay protection (RP) is fulfilled. The main sources of interference (imbalance) are no controlled scheme, design, and operating condition parameters sensors (current transformers) and transversal parameters of the protected equipment and lines. Variations of these parameters cause dependent on through current the multiplicative errors that are identified in differential circuits of RP. In its pure form there are added the errors at the expense of transverse parameters (capacitive leakage lines, transformer magnetization value items). Compensation-tuning activities can lead to a reduction in the basic properties of RP as sensitivity, operating speed, selectivity. Therefore it is necessary objective quantitative assessment both a method for constructing RP and measures for its improvement. An algorithm for evaluation of the technical effect and technical efficiency are the criteria for the usefulness of introduced RP. The technical effect is a difference of potential effect and losses due to refusal operations, the false and unnecessary actions, and technical efficiency is rate the technical effect to the potential effect. It is presented an example of the results the using of the algorithm.

Keywords: relay protection, differential principle, the electrical network, the event flux parameter, the probability, technical effect, technical efficiency.

About the time of arcing on the disabled phase in the cycle of transmission line 500 kV single-phase automatic reclosing

Raskovalov Yu.V. , Lir E.A., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

In article the problem of discrepancy of the data on times of clearing of an arch is considered at single-phase fault on overhead transmission line 500 kV, received by settlement way according to the theory about a current of additional charging of an arch, to the fact sheet collected for 15 years the Interconnecting dispatching office of the Energy Systems of Siberia.

Keywords: time of clearing of an arch, single-phase automatic reclosing, current of additional charging of an arch, compensating a reactor, the controlled shunting reactor, the induced voltage.

Problems arising from the introduction of microprocessor technology in the emergency control

Fedosov A.N. , Pusenkov E.V., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

Problems which appear when microprocessor engineering is introduced in systems of antifailure automatics are considered in the article. Solutions of these problems are given.

Keywords: equipments of antifailure automatics, microprocessor engineering,
Introducing of new engineering.

Reconstruction of high-frequency channels emergency control in the operating zone of the Regional Dispatcher Control of Krasnoyarsk Power System

Myakotin G.S. , Branch of joint-stock company «SO EES» - Regional Dispatcher Control of Krasnoyarsk and Tuva Republic Power System

Reconstruction of high-frequency channels of centralized antifailure automatics complex is described. Choice of high-frequency equipment type is mentioned. The way of designing, reconstruction, setup and maintenance of high-frequency channels on equipment ETL-500 is given. Examples of wrong work and their causes are cited. Recommendations on selecting of regimes and alarm settings are made.

Keywords: antifailure automatics, high-frequency channels, ETL-500.

Center for simulator personal training in Joint Dispatcher Control of Siberia Power System

Shibanov V. Yu. , Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

This article presents principles of personal training in Interconnecting dispatching office of the Energy Systems of Siberia.

Key words: simulator, personal training, dispatcher.

Teamwork experience of the Joint Dispatcher Control of Siberia power systems and Tomsk polytechnic university in professional training

Lapin V.I., Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia power systems, Kobytev M.I., Branch of join-stock company «SO EES» Joint Dispatcher Control of Siberia power systems, Borovikov J.S. , Tomsk polytechnic university, Vainshtein R.A., Tomsk polytechnic university

The organization on a constant basis of teamwork of the JDC of Siberia power systems and Tomsk polytechnic university in professional training has allowed to raise a training level of students and maintenance of a necessary level of theoretical knowledge of working specialists. The gained experience has provided readiness of educational process for new social and economic conditions, for conditions of reforming as electropower branch, and actually of system of the higher education.

Keywords: Training of specialists, electric power industry.

History of establishment of the Irkutsk power system

Evseev A.I. , Museum to histories of Irkutsk power system

The topic of the article is the history of establishment and development of Russia's most legendary energy system. The foundation was laid at the end of the 19th century when one of Russia's first hydroelectric plants was built in the Bodaibinskiy district of the Irkutsk province. In the middle of the 20th century, the construction of the Irkutsk HPS gave rise to development of major energy industry. Launch of the largest hydroelectric plants of the Angara Cascade - Bratsk and Ust-Ilimsk stations, - enabled large-scale industrialization of the Priangarie and social, economic and cultural development of the Irkutsk region.

Keywords: energy system, Irkutsk, history of establishment, museum.

History of the Siberia Power System in the memorable badges and medals

Filin V. S. , Branch of joint-stock company «SO EES» Joint Dispatcher Control of Siberia Power System

The article shows how appearance, formation and historical memorable events of Siberian energy enterprises are reflected in badges and commemorative medals.

Keywords: badge, commemorative medal, Siberian energy enterprises

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