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Photo courtesy of Xcel Energy.
The AVSO controller helps to maintain healthy voltages at the generation facilities and substation busses, such as at the Xcel Energy Cheyenne Ridge Substation. As the scale and number of closely coupled wind farms increase, the controls needed to maintain system integrity become more complex. An Xcel Energy team developed the innovative control device to automatically perform voltage adjustments.

Hiranya Suriyaarachchi

Hiranya Suriyaarachchi, ([email protected]) is a Principal Engineer for TransGrid Solutions. He is an electrical engineer with more than 15 years of experience in all aspects of power system services including studies, equipment services and education. He is an expert in VSC HVDC transmission and sub-synchronous interactions between a doubly fed induction generator equipped wind farms and series compensated transmission lines. He has led numerous RTDS AC system modelling activities for various HVDC and FACTS manufacturers including one of the world’s largest RTDS AC system models and several HIL testing for TransGrid Solutions.