Robustness of delayed multistable systems with application to droop-controlled inverter-based microgrids
نویسندگان
چکیده
منابع مشابه
Conditions for stability of droop-controlled inverter-based microgrids
We consider the problem of stability analysis for droop–controlled inverter–based microgrids with meshed topologies. The inverter models include variable frequencies as well as voltage amplitudes. Conditions on the tuning gains and setpoints for frequency and voltage stability, together with desired active power sharing, are derived in the paper. First, we prove that for all practical choices o...
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In this chapter sufficient conditions for input-to-state stability (ISS) of delayed systems are presented using Lyapunov-Razumikhin functions. It is shown that ISS multistable systems are robust with respect to delays in the feedback path. First, the approach is illustrated by establishing the ISS property for the model of a nonlinear pendulum, then delay-dependent robustness conditions are der...
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15 صفحه اولVoltage Stability of Droop - Controlled Microgrids * ( Extended
As the deployment of distributed generation continues, an increasing number of DC/AC power inverters will be interfaced into the electric grid. Groupings of these power inverters, along with distributed storage and load, are referred to as microgrids. Microgrids offer the potential for unprecedented reliability and flexibility, but also pose new control challenges. Inverters in microgrids must ...
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Motivated by the recent interest in smart grid technology and by the push towards distributed and renewable energy, we study the parallel operation of DC/AC inverters in a lossless microgrid. We show that the parallel interconnection of DC/AC inverters equipped with conventional droop controllers is precisely described by the Kuramoto model of coupled phase oscillators. This novel description, ...
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ژورنال
عنوان ژورنال: International Journal of Control
سال: 2016
ISSN: 0020-7179,1366-5820
DOI: 10.1080/00207179.2015.1104555