In this paper, a structure of the steer-by-wire system with dual steering motors based on FlexRay bus has been proposed for meeting the real-time and reliability requirement of a steer-by-wire system. A control method...
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The development of a new type of power system based on renewable energy will seriously degrade the system frequency characteristics and the level of safety and stability, which needs to be solved urgently. In order to...
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At present, the grid-connected performance of renewable power stations at home and abroad is evaluated by means of modeling and simulation, and the influence of each component model on the evaluation performance can n...
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With the rapid development of renewable energies, especially wind power, how to manage unexpected generation variations economically and reliably in dispatch has become crucial for modern powersystems. To address thi...
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With the rapid development of renewable energies, especially wind power, how to manage unexpected generation variations economically and reliably in dispatch has become crucial for modern powersystems. To address this issue, this paper presents an affine disturbance feedback robust dispatch (ADF-RD) methodology for powersystems with large scale wind power integration in the framework of adjustable robust optimization (ARO). This methodology divides the dispatching process into pre-dispatch and re-dispatch. Pre-dispatch decision immunizes against all possible realizations of uncertainties in a set, while re-dispatch which can be regarded as a feedback will be adaptively adjusted using an affine function with respect to the realized uncertainty in real time. The ADF-RD methodology is applied to an hourly ahead dispatch (HAD) problem. The effectiveness and efficiency of the proposed ADF-RD methodology are demonstrated by numerical experiments carried on a five-bus system.
Buck-boost converter is an important component of electric automobile, it is an important interference source in electric automobile, the study of the interference source is very important to restrain interference. Th...
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In this paper, a method on evaluation of annual accommodation ability of high renewable energy penetrated power system with cascaded hydro power plants is proposed. Firstly, an aggregated cascaded hydro power operatio...
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Estimating low-frequency oscillation modes and the corresponding mode shapes based on ambient data from WAMS measurements has a promising prospect of application in power system analysis and control. The present appro...
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The active powercontrol performance of some wind farms can't fulfil the requirements of grid code completely, such as response time, control accuracy, control mode switching, etc. For that reason, an integrated o...
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A new multi-objective optimal dispatching model for power grid operation is established, which aims at minimizing the mean square deviation of active power and load balance residual, operating cost and CO2 emission. A...
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Under the skin effect caused by the alternating electromagnetic field, the transmission line parameters changes with frequency, and different line resistivity, surge impedance, wave speed are presented in one line und...
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