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On the Existence and Linear Approximation of the Power Flow Solution in Power Distribution Networks

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Bolognani, Saverio, Zampieri, Sandro·2016·IEEE Transactions on Power Systems

Abstract

We consider the problem of deriving an explicit approximate solution of the nonlinear power equations that describe a balanced power distribution network. We give sufficient conditions for the existence of a practical solution to the power flow equations, and we propose an approximation that is linear in the active and reactive power demands of the PQ buses. For this approximation, which is valid for generic power line impedances and grid topology, we derive a bound on the approximation error as a function of the grid parameters. We illustrate the quality of the approximation via simulations, we show how it can also model the presence of voltage controlled (PV) buses, and we discuss how it generalizes the DC power flow model to lossy networks.

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Metadata

Authors
Bolognani, S., & Zampieri, S.
Venue
IEEE Transactions on Power Systems
Published
2016-01
Volume
31
Issue
1
Pages
163-172
ISSN
  • 0885-8950 (ISSN-L)
  • 1558-0679
OpenAlex
W1984452440
Cited by
449
References
1
FWCI
22.93
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: On the Existence and Linear Approximation of the Power Flow Solution in Power Distribution Networks. https://app.cochat.ai/papers/10.1109/tpwrs.2015.2395452
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Bolognani, S., & Zampieri, S. (2016). On the Existence and Linear Approximation of the Power Flow Solution in Power Distribution Networks. IEEE Transactions on Power Systems. https://doi.org/10.1109/tpwrs.2015.2395452

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