A New Approach for Area Interchange Control Modeling

Santos, Marcelo José dos; Pereira, J.L.R.; Filho, João Alberto Passos; Oliveira, Edimar J. de; Silva, I.C. da

doi:10.1109/tpwrs.2004.831289

Cited by 15 publications

(11 citation statements)

References 15 publications

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“…And the calculation method is applied in power flow control problems. In reference [9], regional exchange power is taken, as the expanded equation to compose simultaneous equations with the power flow equation used for solving it. In conclusion, learners have conducted certain researches in the field of branch power, node voltage operating conditions and simultaneous solving the power flow equation according to the circuit adjustment concept.…”

Section: Expanded Power Flow Methodsmentioning

confidence: 99%

A Modular Approach to Power Flow Regulation Solution

Yang¹,

Nai-shan²,

Bai-Jiang³

2015

TOEEJ

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Abstract:The operating modes of generations and the voltage states of power system must be solved when calculating and analyzing the power flow problem with operation demands. The generation variable differential were derived as well as the complete principle of variable differential analysis was formed, based on the model of expanded power flow with constraints, by using the implicit function differential method, the linear composing relation between the voltage variable differential and the expanded correction equations which included the equations of PQV node and branch power, solutions were also proposed. This new solving method is not featured in minimum variables however it is featured as a one-time simultaneous solution. Through the IEEE 5 bus system, the analyzing cases of total differential sensitivity and operation under conditions of constant line power and constant node voltage were carried out, these cases described the fact that the mixed variable solving method of power flow regulation has a simple form, small calculation volume and efficiency.

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Section: Expanded Power Flow Methodsmentioning

confidence: 99%

A Modular Approach to Power Flow Regulation Solution

Yang¹,

Nai-shan²,

Bai-Jiang³

2015

TOEEJ

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“…For that purpose, the generation in a particular region (or area), which is considered as the source region (or area), and the load on another region (or area), considered as the sink region (or area), are increased [2][3][4]. The net interchange of each area is defined as the algebraic sum of the active power flowing over all the tie-lines of a given area; the active power flowing to a given area is considered negative and flowing away from a given area, positive [10][11][12]. The net interchange of each area must be kept in its respective scheduled value, which requires the addition of one equality constraint equation for each area, in solving process of the problem of load flow [10,11].…”

Section: Introductionmentioning

confidence: 99%

“…The net interchange of each area is defined as the algebraic sum of the active power flowing over all the tie-lines of a given area; the active power flowing to a given area is considered negative and flowing away from a given area, positive [10][11][12]. The net interchange of each area must be kept in its respective scheduled value, which requires the addition of one equality constraint equation for each area, in solving process of the problem of load flow [10,11]. So, each area must have at least one generation bus (PV) that will be used to regulate its net interchange.…”

Section: Introductionmentioning

confidence: 99%

“…To keep the net interchange of area in its respective scheduled value, the injected active power of the regulating bus is adjusted. So, this bus is nominated by area interchange control (AIC) regulating bus and classified as V type, its active power generation is not specified, but only the voltage magnitude [11]. Note that if one or more areas do not have regulating bus, the net interchange cannot be controlled in this area.…”

Section: Introductionmentioning

confidence: 99%

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Continuation power flow considering area net interchange constraint

Carhullanqui¹,

Neto²,

Alves³

2015

International Journal of Electrical Power & Energy Systems

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Interconnected power systems not only allow to the areas to provide mutual assistance, but also import or export energy with respect to optimize energy resources assessment where, a cost reduction involved in the generation of power required to meet its demand. To determine the required control actions, in the planning and operation stages, it is important to verify the loading margins for both the normal operation and the different conditions of contingencies that may eventually occur. In this paper a continuation power flow that allows obtaining the loading margin and maximum active power transfer considering the area interchange control is proposed. From the results of the IEEE systems (9 and 118 buses), a difference of up to twelve percent in the active power transfer capacity is verified compared to the cases without area interchange control. The method also highlights the effects of the loop flow which occur as a consequence of the existence of parallel paths in the interconnected network.

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“…In reference [1], researchers present a method making decision of receiving area grid cutting load to control tie-lines exchange power, which is based on the classical sensitivity analysis method. The artificial neural network technique is applied to AGC for multi-area power systems in [2].Dos Santos [3] has used Newton-Rap son method for the calculation of area interchange control of an interconnected power system in which the effect of area interchange control is represented internally into a Jacobian matrix. The author [6] have used the LR method to solve an emission constrained dispatch problem, which decomposes the large problem into a few smaller and easy-solving sub-problems and reaches the optimal solution.…”

Section: Introductionmentioning

confidence: 99%

Research on tie-line power adjustment of interconnected power system based on sensitivity analysis and neural network

Jiekang

Han

Cheng

2009

2009 IEEE International Conference on Intelligent Computing and Intelligent Systems

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Considering distinct locations and inhomogeneous power plants playing different roles and effecting on the interconnected power system, as well as the purpose of pursuing best efficiency and stability for the whole interconnected power system, this paper presents a new method based on sensitivity analysis and neural network to solve the power regulation on tie-line in the interconnected power system. The sensitivity coefficients for the power plants relating to tie-line can be calculated and simulated by back propagation neural network, before which the appropriate samples setting of power plants should be acquired adequately from operating BPA software. The effectiveness of the proposed method is demonstrated on IEEE 30-bus system comprising of plants units of actual power grid in different regions and compared with some conventional approaches. The simulation results show that the proposed new approach is able to obtain higher quality solutions efficiently than the conventional approaches.

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A New Approach for Area Interchange Control Modeling

Cited by 15 publications

References 15 publications

A Modular Approach to Power Flow Regulation Solution

A Modular Approach to Power Flow Regulation Solution

Continuation power flow considering area net interchange constraint

Research on tie-line power adjustment of interconnected power system based on sensitivity analysis and neural network

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