A Capacity Optimization Method for Aggregating Resources in a Virtual Power Plant
A virtual power plant and capacity optimization technology, which is applied in the direction of power generation prediction, energy storage, photovoltaic power generation, etc. in the AC network, can solve the problem of less involvement in the optimization method of the capacity of the virtual power plant, and achieve the effect of improving flexibility
Active Publication Date: 2022-01-07
STATE GRID JIBEI ELECTRIC POWER COMPANY +1
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[0004] Existing research on virtual power plants is mainly aimed at the load or power planning of electric vehicles, wind energy, and photovoltaics, but the optimization methods for the capacity of virtual power plants composed of multiple types of energy in different types of buildings are rarely involved.
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[0053] The present invention proposes a capacity optimization method for aggregating resources in a virtual power plant. The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0054] The present invention proposes a capacity optimization method for aggregating resources in a virtual power plant. The schematic diagram of resources that can be aggregated in a virtual power plant is as follows figure 1As shown, virtual power plants can become distributed power sources, load resources, storage Energy resources, where load resources are divided into flexible loads and fixed loads. Flexible loads include: charging piles (stations), electric boilers, and cold, heat, and electric loads composed of air-conditioning systems.
[0055] The present invention first obtains the aggregated flexible load size of the virtual power plant and the adjustment range of each flexible load through building load demand ...
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The invention proposes a capacity optimization method for aggregated resources of a virtual power plant, which belongs to the technical field of distributed energy scheduling operation of an intelligent power system. The present invention first obtains the aggregated flexible load size of the virtual power plant and the adjustment range of each flexible load through building load demand forecasting; obtains the output forecast of renewable energy in the area where the building is located through the analysis based on energy resource conditions; based on the flexible Based on the prediction of the size of permanent load and the output of renewable energy, the capacity optimization model of multi-energy virtual power plant aggregation resources is constructed and solved, and the capacity optimization results of virtual power plant aggregation resources are obtained. The invention can well realize the configuration selection and capacity optimization of virtual power plants based on building energy consumption, thereby improving the flexibility of power system resource configuration.
Description
technical field [0001] The invention relates to the technical field of distributed energy scheduling operation of an intelligent power system, in particular to a capacity optimization method for aggregating resources of a virtual power plant. Background technique [0002] With a large number of distributed power sources connected to the distribution network, the instability of its processing brings new challenges to the operation of the distribution network; the rapid growth of urban building loads and the increasing peak-to-valley difference increase the difficulty of power grid operation. The demand response based on the flexible load of the distributed power generation side, the energy storage side and the user side is an effective adjustment method, which can effectively solve the above problems to a certain extent. [0003] Virtual power plant (Virtual power plant, VPP) is the most advantageous form to realize the on-site access of renewable distributed power generation...
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IPC IPC(8): H02J3/00H02J3/38H02J3/46H02J3/28H02J3/14
CPCH02J3/003H02J3/004H02J3/008H02J3/381H02J3/466H02J3/28H02J3/144H02J2300/24H02J2300/28H02J2300/40H02J2203/20Y02A30/60Y02B70/3225Y04S20/222Y02E70/30Y02E10/56Y02B10/10
Inventor 王宣元张涛胡泽春张浩刘蓁张丹阳
Owner STATE GRID JIBEI ELECTRIC POWER COMPANY