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A distinct challenge for any electric utility company, be it investor owned, publicly owned or a cooperative, is to be in compliance with regard to testing requirements of modern protective relays. Documented, periodic testing of relays and other IEDs (Intelligent Electronic Device) in power substations must be carried out in order to comply with the requirements of the local regulatory council.
Multi-vender protection and control integration has been performed in demonstration projects to show protocol capabilities, but rarely to provide a comprehensive station protection and control system. A new station, feeding power to lower Manhattan, provided an opportunity to use modern communications to reduce costs while providing advanced capabilities. This ConEd substation project applied the...
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