The Vietnam National Load Dispatch Centre (EVN NLDC) has awarded a contract to Siemens for the supply and installation of systems for detecting and evaluating failure situations in the grid. The company will provide fault recorders (SIPROTEC 5 7KE85 series) combined with integrated SICAM PQS evaluation software that will be installed in 73 Vietnamese substations, and the SIGUARD PDP wide area monitoring system that will be deployed in three regional and one national grid control centres. The devices will enable the event-based evaluation, analysis and documentation of processes in the grid, including critical load situations, short circuits, power fluctuations and power swings. The substations and control centres are expected to be equipped with the new technology and begin operations by mid-2018.
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