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NxtPhase and VA Tech T&D to jointly develop gas insulated switchgear with optical current and voltage Sensors

27 September 2004 - NxtPhase T&D Corporation, a provider of optical sensor Technology and digital solutions for the electric power industry announced Friday a joint product development and marketing agreement with VA Technologie AG (VA Tech), a global supplier of electric power transmission and distribution systems.

Under the agreement, VA Tech will integrate NxtPhase optical current and voltage sensors into their Gas Insulated Switchgear (GIS) and supply the integrated solution to power facilities worldwide. The integrated solution will ultimately reduce the footprint of the GIS system, eliminate CT saturation, improve accuracy of current measurement, and increase power system availability.

The new GIS program builds on a relationship between VA Tech and NxtPhase founded on joint work in air insulated switchgear where live tank circuit breakers are now offered with integrated optical current sensors.

"Deployment of the optical sensor within GIS systems is a natural extension of our Technology", says Tim Leyshock, Vice President of NxtPhase. "It broadens our served market, enhances VA Tech's offering, and provides the end customer with a reliable solution ready for the transition to fully digital substations. Everybody wins."

"VA Tech works to continually enhance our Technology offering to the industry and this effort is a part of our overall strategy", commented Jean-Pierre Beaudet, Vice President Strategy & Technology of the VA Tech T&D. "This integration will put our GIS systems on the cutting edge of Technology with the proven reliability our customers expect from us."

Available at transmission voltages from 145 kV to 550 kV, optical sensors also offer a wide dynamic range for protection and metering, and measure very low currents extremely accurately. The optical CT's and VT's high accuracy over a wide dynamic range offers enhanced revenue capture and improved line loadings. Customers stand to realize significant investment cost savings since they can retain the same device as load grows. Since optical sensor Technology limits risks of explosive failure, ferroresonance, and open-secondaries, it reduces the likelihood of faults and may provide a safer work environment.




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