Automatic Self-Adaptive Local Voltage Control Under Limited Reactive Power

The increasing proliferation of distributed energy resources has posed new challenges to Volt/VAr control problems in distribution networks. To this end, paper proposes an automatic self-adaptive local voltage (ASALVC) by locally controlling VAr outputs resources. In ASALVC strategy, each bus agent can and dynamically adjust its droop function accordance with time-varying system changes. is associated the bus-specific slope intercept, which be updated, merely based on measurements, without requiring communication. Stability, convergence, optimality properties are analytically established. addition, online implementation further proposed address real-time changes adjusting DERs online. Numerical test cases performed validate demonstrate effectiveness superiority ASALVC.