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Unit commitment with N-1 Security and wind uncertainty

Kaarthik Sundar, Harsha Nagarajan, Miles Lubin, Line Roald, Sidhant Misra, Russell Bent, Daniel Bienstock
2016 2016 Power Systems Computation Conference (PSCC)  
To address these questions, we present an N-1 Security and Chance-Constrained Unit Commitment (SCCUC) that includes the modeling of generation reserves that respond to wind fluctuations and tertiary reserves  ...  The stochastic nature of wind forces an alteration of traditional methods for solving day-ahead and look-ahead unit commitment and dispatch.  ...  ACKNOWLEDGEMENTS This work was supported by the Advanced Grid Modeling Program of the Office of Electricity within the U.S Department of Energy and the Center for Nonlinear Studies at Los Alamos National  ... 
doi:10.1109/pscc.2016.7540910 dblp:conf/pscc/SundarNLRMBB16 fatcat:lm2dldv62vg3xo6pqqxx5n3lwu

Chance-Constrained Unit Commitment with N-1 Security and Wind Uncertainty [article]

Kaarthik Sundar and Harsha Nagarajan and Line Roald and Sidhant Misra and Russell Bent and Daniel Bienstock
2020 arXiv   pre-print
To address these questions, we present an N-1 Security and Chance-Constrained Unit Commitment (SCCUC) that includes models of generation reserves that respond to wind fluctuations and component outages  ...  The stochastic nature of wind forces an alteration of traditional methods for solving day-ahead and look-ahead unit commitment and dispatch.  ...  We also thank Miles Lubin for his input and contributions on early iterations of these research efforts.  ... 
arXiv:1703.05206v3 fatcat:ldwnwuvszbbddhznp2wb3rmrjm

Two-stage Robust Security-Constrained Unit Commitment Model Considering Time Autocorrelation of Wind/Load Prediction Error and Outage Contingency Probability of Unit

Zhi Zhang, Yanbo Chen, Xinyuan Liu, Weiru Wang
2019 IEEE Access  
can be adaptively and safely adjusted according to the uncertainties of wind power, load, and N -k fault.  ...  This new model has the following characteristics: 1) the temporal correlation of continuous uncertainties (i.e., wind power output and load) are studied and a time-correlation constraint is established  ...  These uncertainties bring new challenges to power system analysis and operation control. The security-constrained unit commitment (SCUC) model with uncertainties is one of the difficult problems.  ... 
doi:10.1109/access.2019.2900254 fatcat:mppy4g6tzbguhgldkh5suldf3a

Two-stage robust Security Constrained Unit Commitment considering the spatiotemporal correlation of uncertainty prediction error

Zhi Zhang, Yanbo Chen, Jin Ma, Xinyuan Liu, Weiru Wang
2019 IEEE Access  
Robust optimization (RO) is an important tool to solve the security-constrained unit commitment (SCUC) problem for a power system with large-scale wind power.  ...  The simulation results on the modified IEEE-30 and IEEE-118 bus system demonstrate that the proposed method can reduce the conservativeness of RO and guarantee the security and economy of the unit commitment  ...  Traditional security constrained unit commitment (SCUC). b. Two-stage robust unit commitment (RUC).  ... 
doi:10.1109/access.2019.2895625 fatcat:q4rya2krbzc2jbpkuvt7c55pra

Operational security at high penetrations of stochastic, non-synchronous generation

Padraig Daly, Michael Power, Andrew Keane, Damian Flynn
2013 2013 48th International Universities' Power Engineering Conference (UPEC)  
Index Terms-Security-constrained optimal power flow, security-constrained unit commitment, wind power generation.  ...  Publisher IEEE Item record/more information Publisher's statement Abstract-As levels of stochastic, non-synchronous renewable generation (wind, wave and solar) significantly  ...  With current N-1 security practice not accounting for uncertainty, extending this methodology to probabilistic decisions, with a given confidence band, may be prudent.  ... 
doi:10.1109/upec.2013.6714960 fatcat:gfpgylde3vh7desxwtox5wcdee

Duality-Free Decomposition Based Data-Driven Stochastic Security-Constrained Unit Commitment

Tao Ding, Qingrun Yang, Xiyuan Liu, Can Huang, Yongheng Yang, Min Wang, Frede Blaabjerg
2018 IEEE Transactions on Sustainable Energy  
To incorporate the superiority of both stochastic and robust approaches, a data-driven stochastic optimization is employed to solve the security-constrained unit commitment model.  ...  This approach makes the most use of the historical data to generate a set of possible probability distributions for wind power outputs and then it optimizes the unit commitment under the worst-case probability  ...  and 3) robust security-constrained unit commitment (RSCUC) [15] [16] [17] [18] [19] [20] [21] .  ... 
doi:10.1109/tste.2018.2825361 fatcat:tu3rxicxrbcdfjiuumy3nzizhu

Flexibility of controllable power transformers for managing wind uncertainty using robust adjustable linearised optimal power flow

Ahmad Nikoobakht, Jamshid Aghaei, Hossein Farahmand, Venkatachalam Lakshmanan, Magnus Korpås
2019 IET Renewable Power Generation  
Controllable transformers with on-load tap changers and phase shifting capability are the promising flexibility tools to keep the system acceptable security and flexibility levels by controlling the voltage  ...  This study develops the AC OPF model to propose a robust flexibility optimisation framework for daily scheduling problem with uncertain wind energy sources.  ...  In this test system, the congestion at peak hours can be mitigated by the committed unit G3 and the wind uncertainty can be covered by committing the unit G2 and it does not need to commit the unit G3  ... 
doi:10.1049/iet-rpg.2018.5136 fatcat:os7y6logjnbwpo4xw3tad7yyrq

A novel two-stage optimization method for the reliability based security constraints unit commitment in presence of wind units

Soheil Malekshah, Yaser Malekshah, Arezoo Malekshah
2021 Cleaner Engineering and Technology  
., A novel two-stage optimization method for the reliability based security constraints unit commitment in presence of wind units, Cleaner Engineering and Technology (2021), doi: https://doi.Abstract:  ...  In the face of different uncertainties and time-dependent sources such as wind units there is new challenges in power systems reliability.  ...  To studying the performance of the method, various scenarios presented as follows: 1: the common unit commitment. 2: the unit commitment by considering DGs and wind unit. 3: the unit commitment by considering  ... 
doi:10.1016/j.clet.2021.100237 fatcat:s2kuay7kejfu3boquw2l5ahe4a

Review on unit commitment under uncertainty approaches

Kristina Jurkovic, Hrvoje Pandzic, Igor Kuzle
2015 2015 38th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO)  
This paper describes the current practice and analyzes unit commitment formulations available in literature highlighting their advantages and shortcomings. I.  ...  Because of its variability and uncertainty, integration of wind power presents a challenge that, if not adequately addressed, can jeopardize the operational reliability of a power system.  ...  In [1 8] authors present a security-constrained unit commitment algorithm considering the volatility of wind power generation.  ... 
doi:10.1109/mipro.2015.7160438 dblp:conf/mipro/JurkovicPK15 fatcat:ce4nnfcnofgopavmiaxo2juism

Flexible Robust Risk-Constrained Unit Commitment of Power System Incorporating Large Scale Wind Generation and Energy Storage

Gaohang Zhang, Fengting Li, Chao Xie
2020 IEEE Access  
A risk constrained unit commitment model with an adjustable uncertainty set has been developed in [18] - [19] .  ...  as system security and unit-wise constraints.  ...  His main research field involves renewable energy grid integration technology and power system protection.  ... 
doi:10.1109/access.2020.3038685 fatcat:i7acc2tzybhapg6vsddozeryl4

Day-ahead Risk-constrained Stochastic Scheduling of Multi-energy System

Yue Yin, Tianqi Liu, Lei Wu, Chuan He, Yikui Liu
2021 Journal of Modern Power Systems and Clean Energy  
As an increasing penetration of renewable energy sources can potentially impact voltage profile and compromise system security, the security continues to be the most critical concern in power system operations  ...  Numerical simulation results of IEEE 30-bus system and IEEE 118-bus system illustrate the efficacy of the proposed model in ensuring voltage security and improving economic operation of systems.  ...  (a) Unit commitment with overvoltage risks. (b) Unit commitment with voltage limits. Fig. 7 . 7 Spillage of wind and solar generation at different penetration levels.  ... 
doi:10.35833/mpce.2020.000375 fatcat:hi5rxhfgmzdorm4wlsj74k3lna

A Distributionally Robust Chance-Constrained Unit Commitment with N-1 Security and Renewable Generation

Qiangyi Sha, Weiqing Wang, Haiyun Wang
2021 Energies  
density and distribution, in order to improve the security and accuracy of unit commitment results, a distributed robust security-constrained optimization model based on moment uncertainty is proposed  ...  The results show that the unit commitment results with different emphasis on economy and security can be obtained by setting different conservative coefficients and confidence levels and, then, provide  ...  Therefore, how to solve the problem of unit commitment with large scale wind and photovoltaic power uncertainty has become a research hotspot.  ... 
doi:10.3390/en14185618 fatcat:phhzjajz7fchnpubijsol44b44

Robust Risk-Constrained Unit Commitment with Large-scale Wind Generation: An Adjustable Uncertainty Set Approach [article]

Cheng Wang, Feng Liu, Jianhui Wang, Feng Qiu, Wei Wei, Shengwei Mei, Shunbo Lei
2016 arXiv   pre-print
In this regard, a robust risk-constrained unit commitment (RRUC) formulation is proposed to cope with large-scale volatile and uncertain wind generation.  ...  This paper addresses two vital issues which are barely discussed in the literature on robust unit commitment (RUC): 1) how much the potential operational loss could be if the realization of uncertainty  ...  Contreras, “A chance-constrained unit commitment with an n-k security criterion and significant wind generation,” IEEE  ... 
arXiv:1510.03318v5 fatcat:az37ynvpzfdunj5pti65z6rdby

Optimal Generation Mix for Frequency Response Adequacy in Future Power System

Vivek Prakash, Kailash Chand Sharma, Rohit Bhakar
2020 Energy and Built Environment  
These ramping scenarios are depicted as 1, n central forecast scenario and 2, 3, 4& 5 n n n n shows odd and even hour ramp up/down needs based on net load, as shown in Fig. 6 & 9 .  ...  w n and pv n .  ... 
doi:10.1016/j.enbenv.2020.06.010 fatcat:uygwhd6hqzampirluhdq6unyau

Stochastic unit commitment of wind farms based on mixed-integer linear formulation

Mostafa Esmaeeli Shahrakht, Ahad Kazemi
2012 20th Iranian Conference on Electrical Engineering (ICEE2012)  
The proposed approach is applied to a 12-unit test system including 10 thermal units and 2 wind farms. The results show effectivity of piecewise linear model in unit commitment problems.  ...  Due to uncertainty of wind velocity, wind power generators don't have deterministic output power.  ...  In this paper, stochastic unit commitment of thermal power plants and wind farms is implemented with constraints for wind power generation.  ... 
doi:10.1109/iraniancee.2012.6292388 fatcat:wbyeymcamnav5akxg4e6ppgqzu
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