Applied-Information Technology in a Kind of SF6 Gas Density On-Line Monitoring System

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Abstract:

The SF6 gas is popular used in high voltage switchgear because it has some advantages such as the electrical disruptive strength or the electric light arc quenching capability. This means that the functional safety of the entire system is strongly depend on the density of SF6 gas which is why it must be monitored. This paper presents a design of the on-line monitoring system of the density of SF6 gas of electronic transformer. The monitoring system, which base on Virtual Instrument, enhances both the flexibility of digital signal processing and the computing speed. On the other hand, the software exploitation, debugging and improving are easier, compared with the hardware circuit. The realization with virtual instrument is flexible and with low fabrication costs and shorten the period.

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261-265

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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