Asynchronous Decomposition Method for the Coordinated Operation of Virtual Power Plants

Virtual Power Plant (VPP) aggregates and coordinates community-owned renewable distributed generations (DGs) and flexibility resources for participating in power system operation. In this paper, the coordinated operation problem of VPPs and the distribution system operator (DSO) is formulated as min...

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Vydané v:IEEE transactions on power systems Ročník 38; číslo 1; s. 767 - 782
Hlavní autori: Wang, Qi, Wu, Wenchuan, Wang, Bin, Wang, Guannan, Xi, Yanna, Liu, Haitao, Wang, Shu, Zhang, Jun
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York IEEE 01.01.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Algorithms
asynchronous distributed algorithm
Autoregressive models
Communication
Constraints
Convergence
Costs
Distributed generation
Flow equations
Missing data
multi-parameter programming
Optimization
Power flow
Quadratic programming
Reactive power
Renewable energy sources
Robustness (mathematics)
Virtual power plant
Virtual power plants
Voltage
Water heating
ISSN:0885-8950, 1558-0679
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Popis
Shrnutí:Virtual Power Plant (VPP) aggregates and coordinates community-owned renewable distributed generations (DGs) and flexibility resources for participating in power system operation. In this paper, the coordinated operation problem of VPPs and the distribution system operator (DSO) is formulated as minimizing the total operational cost constrained by linearized three-phase power flow equations and operational constraints. To preserve the VPPs' privacy, the DSO needs to coordinate the VPPs in a distributed manner. However, conventional synchronous distributed methods may suffer from communication delays or failures because of the flimsy communication conditions between DSO and VPPs. We propose an asynchronous distributed algorithm that is robust against communication uncertainties. Firstly, a hybrid alternative direction method of multipliers (ADMM) algorithm is developed, which can be applied to convex problems with promising convergence performance. In the hybrid ADMM framework, the delayed or missing data that transmitted from VPPs are compensated by a novel predicting algorithm combining the multi-parameter quadratic programming (MPQP) and autoregressive integrated moving average model (ARIMA). We prove that the proposed algorithm can converge under imperfect communication condition with some mild assumptions. Numerical tests on IEEE 33-bus and IEEE 123-bus systems indicate that the proposed method has more reliable and faster convergence performance than existing asynchronous methods in all cases.
Bibliografia:ObjectType-Article-1
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ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2022.3162329