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Panel 12 Aug 2019

With the emerging new mix of generation and consumption of electricity, power systems are exhibiting more and stronger dynamic and stochastic behaviors. Wind and solar introduced uncertainties from the source, and the decreasing inertia makes systems more dynamic. Loads are becoming more responsive and introduce additional uncertainties and new dynamics. It becomes essential to consider these new behaviors in the function of Dynamic Security Assessment (DSA) in several aspects: DSA needs to consider scenarios of uncertainty samples beyond the traditional topology contingency, esp. in look-ahead and cascading situations; DSA needs to handle the challenge of making equivalent models of responsive loads, active distribution networks, and external systems; and DSA needs to have a better method for initializing the simulation process with a dynamic starting point different than traditional steady-state initialization. This panel will discuss all these challenges and solutions with experts in the relevant areas. The objective is to understand how DSA would adapt and what needs to be done to make DSA effective and efficient in the new era of power systems.

Chairs:
Costas Vournas, Zhenyu Huang
Sponsor Committees:
Power System Dynamic Performance

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