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Robust Decentralized Secondary Control Scheme for Inverter-based Power Networks

August 25, 2023 @ 11:00 am - 12:00 pm

Inverter-dominated microgrids are quickly becoming a key building block of future power systems. They rely on centralized controllers that can provide reliability and resiliency in extreme events. Nonetheless, communication failures due to cyber-physical attacks or natural disasters can make the autonomous operation of islanded microgrids challenging. This talk examines a unified decentralized secondary control scheme that is robust to inverter clock synchronization errors and can be seamlessly applied to grid-following or grid-forming control architectures. The proposed scheme overcomes the well-known stability problem that arises from the parallel operation of local integral controllers. Theoretical guarantees for stability are provided along with criteria to appropriately tune the secondary control gains to achieve good frequency regulation performance while ensuring fair power sharing. The efficacy of our approach is demonstrated through simulations on a 5-bus microgrid with four grid-forming inverters.

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ID: 95274770597
Passcode: 950798


August 25, 2023
11:00 am - 12:00 pm


Virtual & In-Person
New Jersey Institute of Technology
Newark, NJ United States
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