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Research on Models and Methods of Power Transmission and Distribution Cost Allocation

Author: LiuMengNa
Tutor: ShuZuo
School: North China Electric Power University (Beijing)
Course: Proceedings of the
Keywords: Transmission and distribution network Cost-sharing Marginal costing Shapley value OPF Comprehensive cost method
CLC: F426.61
Type: Master's thesis
Year: 2011
Downloads: 63
Quote: 0
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Abstract


Transmission and distribution grid due to the requirements of its own scale , natural monopoly attributes , scientific and reasonable electricity transmission and distribution control is a key factor in positive and healthy development of the electricity market . The focus of the transmission and distribution of electricity pricing grid users how reasonable to assume the cost of transmission and distribution . Same time , reasonable transmission and distribution cost -sharing is conducive to effective economic signal to the electricity trading body , to promote the optimal allocation of power resources , and to promote the power grid companies to more effectively manage , planning, transmission and distribution resources . Allocation method based on marginal costs and accounting costs , transmission and distribution costs of the two categories were reviewed , compared and discussed the advantages and disadvantages of the various allocation methods . Tariff mechanism and complement the market mechanism , electricity transmission and distribution of electricity market environment supporting mechanism is different . In this paper, for the next generation side and load side direct trading market environment , market environment and our country at this stage lose Placing business focused , research suitable for transmission and distribution of cost-sharing models and methods . In the the decentralized trading market environment , the transmission and distribution costs assessed to pay more attention to providing effective economic signals , promote trading and optimize the use of grid resources . Therefore , this paper proposes allocation model based on the the Shapley value transmission and distribution costs and methods , combined with cooperative game theory in economics , active and reactive power flow through the transmission and distribution lines to produce cost minimum combined nonlinear optimization objectives . OPF application Shapley value generated by the users of the power generation side and load side Alliance optimal cost -sharing, and a 5-node and 14 - node system as an example to validate the model 's rationality . Combining the characteristics of China 's present transmission and distribution business , the core issue of the sharing of the costs of transmission and distribution is fair and reasonable to the transmission and distribution costs passed to all types of electricity users . China 's wholesale electricity a larger proportion , we propose to consider the wholesale business of the provincial the shared grid transmission and distribution cost-sharing model . Model combined with our wholesale business characteristics , starting from the point of view of the overall cost , improved our existing provincial shared network transmission and distribution cost-sharing model . Actual data , combined with a province to verify the improved model of the the provincial network transmission and distribution grid costs reasonable recovery has important significance .

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