Development of an algorithm for automated calculation of the technical condition index of 110 kV gas-insulated circuit breakers

RELEVANCE of the study is to develop an algorithm for automated calculation of the technical condition index (TCI) for 110 kV gas-insulated circuit breakers according to the TCI calculation method developed by the Ministry of Energy of Russia. THE PURPOSE. To analyze the errors arising at calculation of TCI. To consider the problems arising at calculation of TCI and to offer ways of the decision of the given problem. To perform manual calculation of the technical condition index of the VEB-110 gas-insulated circuit breaker according to the approved methodology. Develop a working version of the algorithm for automated calculation of the technical condition index (TCI) for 110 kV gas-insulated circuit breakers according to the TCI calculation methodology developed by the Ministry of Energy of Russia. To carry out TCI calculation of VEB-110 circuit breaker with the help of the created algorithm. METHODS. The method of modeling of the TCI calculation method implemented in the Delphi7 programming environment was used to solve the task. RESULTS. The article describes the relevance of the topic, considers the peculiarities of TCI calculation for different types of circuit breakers. Manual TCI calculation and TCI calculation with the help of the developed algorithm for VEB-110 gas-insulated circuit breaker are made, the comparative analysis of the calculation results is carried out. In this paper the working algorithm of automated calculation of ITS for gas-insulated circuit breakers of VEB-110 type is modeled. CONCLUSION. The use of the algorithm of the automated calculation of TCI gives an opportunity to reduce (practically to exclude) the errors arising at manual calculation. Also the calculation time is greatly reduced and there is a possibility of more operative obtaining of data on the state of circuit breakers. The developed algorithm recommends the control action on the equipment based on its condition, thus facilitating the planning of repairs, maintenance of equipment. Based on the calculated TCI value, the circuit breakers are ranked according to the priority of inclusion in the maintenance plan.

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