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This paper constructs the probability density function of the wind power forecast error and establishes a mathematical model of procuring spinning reserve basing on the chance-constrained programming in which the uncertain and stochastic factors are considered such as the load forecast error, the wind power forecast error and the fault outage of generators. The model reflects the influence of abundance...
As a market signal concerned by all parties, transmission capacity has an important economic value in the competitive electricity market. Because of the present model and method's shortage of calculating Total Transfer Capabiliy (TTC) based on Optimal Power Flow (OPF), which may either lead to shed load in some nodes under a feasible base-case power flow state, or could not reasonably deal with an...
With electricity market reformation more deepening, Available Transfer Capability is important public information for transaction participants in the deregulated power industry. Considering the calculation difficulties, the paper analyses the essence of ATC and the defects of existing solution methods, and a new improved particle swarm optimization model is established, the particle swarm optimization...
In this paper, a distribution pricing model based on package methodology is presented in which the distribution pricing method is studied and the distribution network costs are analyzed in detail. The cost of distribution utility is sorted into fixed cost and variable cost. The marginal cost method is used to allocate the variable cost and the accounting cost pricing method is used to allocate the...
With the organizational reform of electric power industry in our country day by day, and the market of generation side gradually maturing, the construction of ancillary services market was brought into schedule. As one of the most important ancillary services, AGC possesses certain competitiveness so far as its own characteristics and supply trend of the electrical network, and marketization is relatively...
The distribution pricing method is studied and the distribution network costs are analyzed, which is sorted into two types: fixed cost and variable cost. The integrative pricing method for distribution network is presented. It uses the embedded cost pricing method to allocate the fixed costs according to the maximum demands while uses the marginal cost pricing method to allocate the variable costs...
With rising electricity loading in developing country, measuring capacity of pumped-storage station (P-S station) is becoming more critical. This paper tries to establish mathematic model on obtaining capacity of P-S station for maximum cost savings. The paper first deducts the relationship between capacity of P-S station, peak load and the vale load by simulating cost curve of thermoelectric unit,...
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