Walter Sattinger (Elvetia)
Abstract
Currently worldwide all power systems are faced with dramatically changes. After restructuring the system
operation due to unbundling and deregulation and related high volatility of power flows at the level of transmission, we can
observe substantial changes due to a significant shift of power generation from a few big units feeding directly into the
transmission system in opposite direction from a high number of decentralised generation units from the lower voltage
levels up to load centres. TSOs as actors responsible for the overall system stability will have to give adequate answers to
these challenges by using innovative techniques for power system operation and control.
Keywords: interconnected power systemquality of system frequencyWide Area Monitoringline thermal monitoringdynamic system modelling
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