Siemens has received a contract for the supply and installation of products and systems for detecting and evaluating failure situations in the grid from the state-owned Electricity of Vietnam National Load Dispatch Centre (EVN NLDC). 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 employed in three regional and one national grid control centre. The devices enable he event-based evaluation, analysis and documentation of processes in the grid, including critical load situations, short circuits, power fluctuations and power swings. The Sicam PQS software evaluates the fault recorders to provide a quick overview of the grid quality. The equipment will help increase the grid’s failure tolerance, improve its transmission capacity and optimise the expansion of new primary plants. It will help to improve efficiency of the existing grid infrastructure as well as prevent outages that could result from overloading. The substations and control centres are expected to be equipped with the new technology and begin operation by mid-2018.
