Historical Analysis of High Voltage Circuit Breaker Engineering
نویسندگان
چکیده
منابع مشابه
SF6 High Voltage Circuit Breaker Contact Systems Under Lightning Impulse and Very Fast Transient Voltage Stress
In the past few years gas insulated high voltage circuit breakers have improved considerably, in particular with respect to required drive energy for operation, compactness and reliability. A further reduction in size implies increasing operational field stress inside the breaker and, thus, a reduction in built-in safety margins. If the design comes closer to its physical limits, in particular ...
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High-voltage circuit breakers are among the most important equipments for ensuring the efficient and safe operation of an electric power system. On occasion, circuit breaker operators may wish to check whether equipment is performing satisfactorily and whether controlled switching systems are producing reliable and repeatable stress control. Monitoring of voltage and current waveforms during sw...
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In this paper a new approach to the analysis of test results for circuit breakers is discussed. It is implemented through new software called Automated Circuit Breaker Monitoring system ACBM. The circuit breaker performance is evaluated based on the analysis of Digital Fault Recorder (DFR) recordings taken from circuit breaker control circuitry. This paper describes the testing procedure and us...
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With the rapid development of arts of sensors and IT, on-line monitoring of circuit breaker is now desirable and practical for electric power utilities. This paper describes a set of overall on-line monitoring systems that was developed to control and monitor the condition of SF6 circuit breaker with different type of sensors and microcomputer based controller. The aim of the developed system i...
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The automated circuit breaker diagnostic system described in this paper is an extension of the widely used portable circuit breaker testing device concept. These traditional testing devices can be connected to the circuit breaker’s control circuit to record analog and digital signals. The operator opens and closes the circuit breaker each time the test is performed and makes the recordings. The...
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ژورنال
عنوان ژورنال: IEEJ Transactions on Fundamentals and Materials
سال: 2001
ISSN: 0385-4205,1347-5533
DOI: 10.1541/ieejfms1990.121.1_11