Power distribution network double-layer optimization scheduling method
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A technology of double-layer optimization and scheduling method, which is applied in wind power generation, photovoltaic power generation, electrical components, etc., and can solve problems such as inapplicable distribution network double-layer optimal scheduling method
Active Publication Date: 2020-04-07
ECONOMIC TECH RES INST OF STATE GRID HENAN ELECTRIC POWER +2
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Embodiment 1
[0106] See attached Figure 1-3 ,in, figure 1 It is a flow chart of the distribution network double-layer optimal dispatching method of the present invention, figure 2 is the double-layer optimization model of the distribution network in the present invention, image 3 In order to compare the daily voltage fluctuation curve of a certain load node in a certain place under the double-layer optimization strategy of distribution network considering only LA economic dispatch and LA, and take a certain area as an example, a detailed description of a double-layer optimization of distribution network in the present invention Scheduling method, it comprises the following steps:
[0107] Obtain the basic information of the load, wind power, photovoltaic and energy storage equipment inside the load aggregator LA, and obtain the basic information of the distribution network topology, power source and load;
[0108] Input the basic information of the load, wind power, photovoltaic and ...
Embodiment 2
[0178] Based on the same inventive concept, the present invention also provides a two-layer optimal dispatching device for a distribution network. The method for solving technical problems is similar to a two-layer optimal dispatching method for a distribution network. .
[0179] A two-layer optimal dispatching device for a distribution network, comprising:
[0180] The basic information acquisition module is used to obtain the basic information of the load, wind power, photovoltaic and energy storage equipment inside the load aggregator LA, and obtain the basic information of the distribution network topology, power source and load;
[0181] The optimization scheduling module is used to input the basic information of the load, wind power, photovoltaic and energy storage equipment inside the load aggregator LA, as well as the basic information of the distribution network topology, power source and load to the pre-established two-layer optimization of the distribution network ...
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Abstract
The invention discloses a power distribution network double-layer optimization scheduling method and device, and the method comprises the following steps: obtaining the basic information of a load, wind power, photovoltaic and energy storage equipment in a load aggregator LA, and obtaining the basic information of a topological structure, a power supply and a load of a power distribution network;inputting the basic information of the load, wind power, photovoltaic and energy storage equipment in the load aggregator LA and the basic information of the topological structure, the power supply and the load of the power distribution network into a pre-established power distribution network double-layer optimization scheduling model to obtain an optimization scheduling result; wherein the powerdistribution network double-layer optimization scheduling model comprises an upper-layer LA economic scheduling model and a lower-layer power distribution network optimization model; by establishingthe power distribution network double-layer optimization scheduling model considering participation of the LA, the LA obtains economic benefits and plays a positive role in safe and economic operationof the power distribution network at the same time.
Description
technical field [0001] The invention belongs to the field of optimal dispatching of power systems, and in particular relates to a method and device for double-layer optimal dispatching of a distribution network. Background technique [0002] With the shortage of fossil energy and the continuous deterioration of the natural environment, renewable energy represented by wind power and photovoltaics has developed rapidly, and its ratio in the distribution network has gradually increased in recent years. How to coordinate various distributed energy sources, energy storage devices and active loads in the active distribution network, and effectively participate in the current power market, so as to improve the voltage level of the distribution network and reduce the operating cost of the distribution network has become an urgent problem to be solved . As a professional load-side resource management entity, the load aggregator is one of the important forms to integrate and manage v...
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