An optimization method for multi-area combined heat and power production with power transmission network

Abdollahi, Elnaz; Wang, Haichao; Lahdelma, Risto

doi:10.1016/j.apenergy.2016.01.067

Cited by 51 publications

(20 citation statements)

References 23 publications

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“…6 illustrates the solving process of our approach, and the details of major procedures are given below. 21 Step 1: Seek the Pareto-optimal solutions of CHPEED with VPLE and power transmission loss by the θ-DEA.…”

Section: Spreadmentioning

confidence: 99%

A two-stage approach for combined heat and power economic emission dispatch: Combining multi-objective optimization with integrated decision making

Wang

Zhao

et al. 2018

Energy

195

108

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To address the problem of combined heat and power economic emission dispatch (CHPEED), a two-stage approach is proposed by combining multi-objective optimization (MOO) with integrated decision making (IDM). First, a practical CHPEED model is built by taking into account power transmission losses and the valve-point loading effects. To solve this model, a two-stage methodology is thereafter proposed.The first stage of this approach relies on the use of a powerful multi-objective evolutionary algorithm, called θ-dominance based evolutionary algorithm (θ-DEA), to find multiple Pareto-optimal solutions of the model. Through fuzzy c-means (FCM) clustering, the second stage separates the obtained Pareto-optimal solutions into different clusters and thereupon identifies the best compromise solutions (BCSs) by assessing the relative projections of the solutions belonging to the same cluster using grey relation projection (GRP). The novelty of this work is in the incorporation of an IDM technique FCM-GRP into CHPEED to automatically determine the BCSs that represent decision makers' different, even conflicting, preferences. The simulation results on three test cases with varied complexity levels verify the effectiveness and superiority of the proposed approach. (Yang Li). 2 multi-objective optimization; integrated decision making; valve-point loading effects; θ-dominance based evolutionary algorithm; grey relational projection; integrated energy system. NOMENCLATURE Acronyms CHP combined heat and power CHPED CHP economic dispatch CHPEED CHP economic emission dispatch MOEAs multi-objective evolutionary algorithms MOPSO multi-objective particle swarm optimization EFA enhanced firefly algorithm MOO multi-objective optimization

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Section: Spreadmentioning

confidence: 99%

A two-stage approach for combined heat and power economic emission dispatch: Combining multi-objective optimization with integrated decision making

Wang

Zhao

et al. 2018

Energy

195

108

View full text Add to dashboard Cite

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“…Similarly, to compute y, y and N•j are partitioned into three parts and equation (19) can be written as …”

Section: Structure Of the Basismentioning

confidence: 99%

“…Solving the equations system associated with a tree is crucial for solving equation systems (17) - (19). The algorithms mainly rely on proper indexing to implement special structure.…”

Section: Solving Equations Systems Associated With Gsmentioning

confidence: 99%

“…Also, it is difficult to dispatch CHP plants according to marginal power production costs that depend on heat generation level. Recently, [19] proposed a generic solution approach for the multi-site CHP system based on the decomposition framework, where the marginal power production costs of a single-site CHP system are computed according to parametric analysis [20]. Due to inherent inefficiency of parametric analysis, this approach is difficult to apply to a large system with a moderate planning horizon.…”

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confidence: 99%

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An efficient model and algorithm for the transmission-constrained multi-site combined heat and power system

Rong

Lahdelma

2017

European Journal of Operational Research

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This paper deals with the transmission-constrained multi-site combined heat and power (CHP) problem and formulates it as a linear programming (LP) model with a special structure. CHP systems are treated as an extension of power-only systems. Each site can be treated as a regional energy system to supply both heat and power. Heat demand is satisfied by local production while power demand can be satisfied by local generation plus power exchange over the power network. The challenge of this problem is that power transmission needs to be coordinated with both power and heat production in each site.The transmission-constrained multi-site CHP system can be operated cost-efficiently according to hourly demand forecast for heat and power by coordinating production and transmission activities among different sites. An efficient network power Simplex algorithm is developed to this end.Numerical experiments with realistic test data show that the algorithm is 7 to 360 (with average 30) times faster than a commercial LP code.

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“…This new form of energy supply has the following new characteristics: (i) structure features: power grid topology has more complex structure types (tree or mesh), flow types (unidirectional or bidirectional) and energy consumption programs (on demand or dynamic balance); (ii) environmental characteristics: most distributed energy have characteristics of instability (solar energy, wind energy and tide are influenced by environmental factors); (iii) functional features: plug and play puts forward higher requirements for the power quality management ability as dynamic change exists in both sources and loads. So stability and reliability would be of paramount importance for the coming form of power supply system [2][3][4][5]. For instance, due to the intermittent nature of the PV energy sources or wind turbine sources, considerable complexity and variability are introduced into the micro grid [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Simulation and experiment of algorithm and circuit design for UPQC

Yang

Tan

2019

Automatika

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Power quality issues have become one of the most important issue for researchers to concern. In this paper, simulation and experiment of algorithm and circuit design of Unified Power Quality Conditioner (UPQC) are provided. Control algorithm and topology design of one UPQC which includes active power filter (APF) and dynamic voltage restorer (DVR) are introduced. Stability condition of the filter unit is deduced and proved by Routh stability criterion. Simulation for APF and DVR is carried out in PSCAD to show the proposed control strategy. Experiments such as current tracking, harmonic detection and compensation and voltage drop compensation are provided in details. Experimental results show that the proposed control method and the designed topology are effective and practical.

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An optimization method for multi-area combined heat and power production with power transmission network

Cited by 51 publications

References 23 publications

A two-stage approach for combined heat and power economic emission dispatch: Combining multi-objective optimization with integrated decision making

A two-stage approach for combined heat and power economic emission dispatch: Combining multi-objective optimization with integrated decision making

An efficient model and algorithm for the transmission-constrained multi-site combined heat and power system

Simulation and experiment of algorithm and circuit design for UPQC

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