منابع مشابه
Development of Condition Monitoring Instrumentation for Sensing Power Transformers
The objective of this work is the design and development of the Data Acquisition and Storage parts of a measurement system that will be used for the Condition Monitoring (CM) of Power Transformers. The data captured from the sensors and stored in a database will be used by an application that will predict the behavior of the Power Transformer. Data Store and Data Acquisition were developed usin...
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This paper deals with three types of power transformer failure analysis tests which can help in monitoring the transformer condition. The three methods are Conventional oil test, Furan derivatives test and Markov models criteria. Conventional oil testing procedure includes determination of gas concentrations in the transformer oil sample and analyzing the fault by considering ratio of two suita...
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With the increasing age of the primary equipment of the electrical grids there exists also an increasing need to know its internal condition. For this purpose, offand online diagnostic methods and systems for power transformers have been developed in recent years. Online monitoring is used continuously during operation and offers possibilities to record the relevant stresses which can affect th...
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The increasing utilization of piezoelectric transformers (PT) in power electronics requires fundamental analysis and design of PT power converters. In addition, the possibility of overcoming the essential limitations of PT power ability by a combined operation of PTs needs to be examined. These studies could provide wide opportunities for PT exploitation in power electronic circuits. The main o...
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Service reliability in electrical power networks is of crucial importance and depends on the quality and availability of electrical equipment. Operation resources like power transformers have to be considered, representing the intersections of energy networks. Regarding the age of power transformers e.g. used in the German grid surveillance is gaining importance. An approach for evaluating the ...
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ژورنال
عنوان ژورنال: TEION KOGAKU (Journal of the Cryogenic Society of Japan)
سال: 2011
ISSN: 0389-2441,1880-0408
DOI: 10.2221/jcsj.46.342