Digital wireless data acquisition system for measurement in high voltage substations

Wang, Y. and Mir, F.A.M. and Siew, W.H. (2006) Digital wireless data acquisition system for measurement in high voltage substations. In: Power Engineering Society General Meeting, 2006-06-18 - 2006-06-22.

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Abstract

This paper describes a new digital wireless data acquisition system that can be used to measure electro-magnetic interference (EMI) in power stations or other similar harsh environments. It comprises of a Remote Acquisition Unit (RAU), a Wireless Data Communication Network (WDCN) and a PCbased Control Platform As a front end of the field-distributeddata-acquisition system, RAU captures, digitizes and stores the EMI signals in its memory and sends the information to the PC using the Wireless Data Communication Network. The WDCN acts as a bi-directional data communication link between the RAU & the Control platform. It is based on Bluetooth technology and has a point-to-multipoint topology. The RAU serves as the acquisition function of a Digital Storage Oscilloscope (DSO) while the Control Platform carries out the display & control function of a DSO. The whole system, as such, may be regarded as a 'Computerised Wireless Oscilloscope'. The system offers an innovative way for implementing monitoring, protection and testinG systems based on wireless sensor networks.