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California Institute for Energy and Environment | Alexandra "Sascha" Von Meier | Smart Grid Seminar

Abstract: This talk describes how assumptions, approximations, and heuristics of the legacy electric grid are challenged by 21st century technology. Power engineers and grid operators have long relied on simplifying techniques to manage a highly complex system – one that is capable of surprising even knowledgeable experts. Many concepts from the traditional power engineering curriculum were born of sheer necessity, in the days of pencil and slide rule. Even with advances in computing, sensing and communications making their way into grid design and operation, renewable and distributed inverter-based resources pose a novel conundrum owing to their different physics, time dependence, and location. New models must be conceptualized and validated, and new rules learned for what works and what doesn't. That cognitive dimension, the talk argues, is crucial for continuing the clean energy transition. Biography: Alexandra “Sascha” von Meier is an independent consultant, recently retired from her positions as Adjunct Professor of Electrical Engineering and Computer Science at UC Berkeley, Director of Electric Grid Research at the California Institute for Energy and Environment (CIEE), and Faculty Scientist at the Lawrence Berkeley Lab. Sascha’s work has been driven by the vision of a nimble and resilient electricity infrastructure to support a carbon-neutral energy sector. Among other research efforts, she led the development of micro-PMUs and strategies for using phasor measurements for innovative diagnostic and control applications in distribution systems. The expanded 2nd edition of her textbook, Electric Power Systems: A Conceptual Introduction was just published (Wiley, August 2024). Sascha holds a B.A. in Physics and a Ph.D. in Energy and Resources from UC Berkeley.