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Stochastic Model Predictive Control Based Fast-Slow Coordination Automatic Generation Control

delete2024-05-01
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PRE
AI
Y
Yukang Shen
吴
吴文传 (Wenchuan Wu) *
S
Shumin Sun
DOI:10.1109/TPWRS.2023.3321847delete
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摘要

摘要

En 中文
The increasing integration of renewable energy sources to power systems brings challenges to the real-time frequency control. This article proposes a stochastic model predictive control (MPC) based two-timescale automatic generation control (AGC) scheme to coordinate the fast converter interfaced generators (CIG) and slow synchronous generators (SG). In the proposed model, the transmission time delay and dynamic features of heterogeneous generators are formulated, so the control performance can be significantly improved. In each AGC period, the AGC commands of fast CIGs are set as multi-step signals while those of SGs remain as single step, and multiple predicted system states of intra-period are incorporated in the control objective. The prediction error is characterized using Gaussian distribution. Based on the decomposition of predicted states and the exact reformulation of the original chance constraints, the stochastic MPC model can be equivalent transformed into a tractable quadratic program model. Case studies conducted on modified IEEE 118-bus system shows the effectiveness of the proposed method.
Keyword:
Automatic generation control
Stochastic processes
Frequency control
Power system stability
Power system dynamics
Generators
Delays
stochastic model predictive control
two-timescale
fast-slow coordination
converter interfaced generator

期刊

IEEE Transactions on Power Systems 封面图
IEEE Transactions on Power Systems
IF:
7.2
论文数:
1.1W
被引数:
5.0W

机构

T
tsinghua university
学者数:
11.9W
论文数: 10.0W
被引数: 137
引用论文

引用论文

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On the Impact of Discrete Secondary Controllers on Power System Dynamics
err2021-09-01
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errOAAI
errKerci, Taulant; Murad, Mohammed Ahsan Adib; Dassios, Ioannis; Milano, Federico
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