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The paper describes the use of multi-terminal HVDC transmission system based on voltage source converter (VSC) (VSC-MTDC) for connecting doubly fed induction generator (DFIG) based wind farms over long distance. The operation principles between DFIG and VSC-MTDC of the proposed system are described. Stator flux oriented vector control technology is used to execute AC excitation for DFIG rotor, then...
This paper proposes an improved FCM algorithm aiming at many problems in Fuzzy C Means algorithm, such as being sensitive to initial conditions, usually leading to local minimum results. The new algorithm can obtain global optimal solutions through a new simple and efficient selecting rule of the initial cluster centers, furthermore alternating optimization in terms of a novel separable criterion...
In this paper, we present a financial supernetwork model with several influencing factors. It consists of 3 tiers: agents with sources of funds, intermediaries and consumers at the demand market. Every decision-maker wants to optimize their objective function and are faced with two criteria (maximize profit and minimum risk). In the model, the decision-makers compete within a tier and cooperate between...
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