Dissertation > Economic > Economic planning and management > Economic calculation, economic and mathematical methods > Economic and mathematical methods

Nodal Pricing without Marketing Surplus Based on Dissipation Power Imputation

Author SongXiaoMing
Tutor PengJianChun
School Hunan University
Course Electrical Engineering
Keywords Electricity market Nodal price Marginal Price Power dissipation Sale of surplus
CLC F224
Type Master's thesis
Year 2010
Downloads 17
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Core content as the market with the conduct of market-oriented reforms of the power industry, energy pricing mechanism, the change is imperative. Energy price regulation of the market in the distribution of benefits of the Group, is the basis of fair market competition, market allocation of resources can achieve the optimal, the key link of whether the social benefits can be maximized. In short, reasonable price mechanism is the establishment of a fully competitive and orderly harmony of the electricity market has a very important significance. In a variety of price mechanism, the the node marginal price has rich economic implications and national electricity market widely accepted. This paper introduces three typical energy pricing, based on a detailed analysis of the economic significance of the Marginal Price, also pointed out that the node marginal price system in the market environment, the advantages of its lack of practical application: Node marginal The tariff provides rich and the right economic signals, is conducive to the allocation of resources, but at the same time there is a net loss component is not clear, it is difficult to ensure that the system break-even, prone to the sale of surplus shortcomings. Electricity market for the defects Marginal Price, there has been controversy has not been unanimously approved solutions. By the marginal pricing theory and summed up the root causes of the node marginal price system sales surplus. Combined with the actual trend of the system, this paper proposes branch dissipation power vested in the component theory to energy pricing mechanism, thus forming a non-profit energy pricing method to fundamentally eliminate the sale of surplus. Departure from the classic circuit theory, the use of slip outcome component theory the system losses are imputed to the generator and load power dissipation, and a clear correspondence between the power source and the load to undergo a rigorous mathematical derivation, generation local node tariff, the load node tariff formula. The power to develop the method not only can effectively eliminate the sale of surplus, to ensure that the system of balance of payments, and the net loss derived nodal price clear tariff component is easy to calculate, does not depend on the choice of balanced nodes. Finally, the utility computing model based on nodal price for the proposed new electricity pricing method, using Matlab to prepare the corresponding procedures by Standard IEEE9 node and IEEE14 node system simulation verify the validity and rationality of the proposed method.

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