Wang Wei

TL;DR: In this paper, the authors proposed a micro-grid frequency control method with the lowest power generation cost, and belongs to the technical field of electric system operation and control, where the method comprises the steps that a respective power generator cost function and a power generation micro increasing rate function are established; active power output limit constraints of distributed power supplies and energy constraints of energy storage devices are set; and the synchronization speed regulator of a power generator and the controller of an inverter are regulated to perform primary frequency modulation, secondary frequency modulation is performed after a time interval.

TL;DR: In this paper, the authors proposed a power distribution network state estimation method based on the maximum likelihood estimation theory, which can fit any distribution form of the data without any transcendental probability distribution assumption.

TL;DR: In this paper, a transformer model is converted into a linear model, and a precise and efficient solution of the optimal power flow problem including the transformer can be realized through the precise linearization method.

TL;DR: In this article, the authors proposed an electrification initialization method for a power distribution network dynamic topology, and the method comprises the steps that marks are set for valid power nodes, non-power nodes, line segments and all switch states at the initial running moment of a Power Distribution network, and a collision node set is set to be an empty set.