Abstract
This letter introduces reachable power flow (ReachFlow), a formal method providing a provably over-approximated enclosure of the complete set of the power flow solutions that 'can be reached' under various uncertainties. The novelty of ReachFlow lies in: (1) an ordinary differential equation (ODE) formulation which maps the iterative power flow solving process into a virtual dynamic; (2) a reachability analysis of the virtual ODE model which enclose all possible (infinite) power flow solutions under uncertainties in one calculation. Case studies verify the efficacy of ReachFlow as a formal method and, in particular, its capability of handling islanded droop-based microgrids under uncertainties.
| Original language | English |
|---|---|
| Article number | 8999743 |
| Pages (from-to) | 3290-3293 |
| Number of pages | 4 |
| Journal | IEEE Transactions on Power Systems |
| Volume | 35 |
| Issue number | 4 |
| DOIs | |
| State | Published - Jul 2020 |
Keywords
- formal method
- microgrid
- reacha-bility
- Reachable power flow
- uncertainty
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