Most of transformer substations had installed all kinds of online monitoring systems of electric equipment, these systems were usually independency and redundancy, so they can not share computer resources each other, and it is not in favor of examining insulation states. A Support System for High Voltage Electric Equipment Condition-based Maintenance of Transformer Substation based on whole transformer substation was developed; this system can help to manage the data on the insulation states of high voltage state of high electric equipment by using the computer database. The system can collect and analyze the information on high voltage electric equipment test data. The system can give the results of qualification judgment, according to rules of preventive experimentation of power equipment, and deliver states data and the data history curve of online monitoring equipments to remote terminal.
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