A static optimization method of a distribution network based on optical storage charging tower access

A static optimization and distribution network technology, applied in photovoltaic power generation, energy storage, electrical components, etc., can solve problems that are difficult to deal with, and achieve the effect of improving solution efficiency

Inactive Publication Date: 2019-01-04
JIANGSU ELECTRIC POWER CO +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, as far as the applicant knows, there are few studies considering electric vehicles in the distribution network reconfiguration, so

Method used

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  • A static optimization method of a distribution network based on optical storage charging tower access
  • A static optimization method of a distribution network based on optical storage charging tower access
  • A static optimization method of a distribution network based on optical storage charging tower access

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Embodiment

[0057] The solar storage charging tower in this embodiment is composed of three parts: an energy storage system, a photovoltaic system, and an electric vehicle charging pile. The photovoltaic system and the energy storage system are installed on the top of the electric vehicle charging tower. The power generation of the photovoltaic system The electricity enters the energy storage system, the electric vehicle charging tower is jointly powered by the energy storage system and grid power, and the grid-connected mode of the photovoltaic system is to generate and use the surplus on the grid.

[0058] This embodiment selects IEEE33 distribution network (such as figure 1 shown) as a calculation example, which is equipped with 10 40kW electric vehicle charging towers (fast charging) and 20 10kW electric vehicle charging towers (slow charging). The static optimization method of distribution network based on the access of photovoltaic storage charging towers includes the following step...

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Abstract

The invention relates to a static optimization method of a distribution network based on photovoltaic storage charging tower access, which comprises the following steps: step 1, according to the historical data of photovoltaic system, predicting the output of photovoltaic system power generation; 2, presetting the capacity of the energy storage system and determining that the operation mode of theenergy storage system is peak clipping and valley filling; 3, establishing a charging load model of that electric vehicle according to the historical load data of the electric vehicle; 4, according to the model of the optical storage charging tower and the mathematical model of distribution network reconfiguration, establishing a distribution network reconfiguration model considering the access of the optical storage charging tower; Step 5, adopting the second-order cone programming method, converting the distribution network reconfiguration model considering the light storage charging toweraccess to obtain the distribution network second-order cone reconfiguration model under the light storage charging tower access, and solving the problem by GAMS. The invention can minimize the activepower loss in the daily operation of the distribution network and reduce the operation cost of the distribution network.

Description

technical field [0001] The invention relates to a static optimization method for a power distribution network based on the access of an optical storage charging tower, and belongs to the technical field of power distribution network operation control. Background technique [0002] With the development of the smart grid, the intelligence of the distribution network is getting higher and higher, and it has a certain degree of reliability, security and self-healing. More and more renewable energy is connected to the distribution network in the form of distributed power, which improves today's energy structure, but also brings great challenges to the operation of the distribution network, such as wind power, photovoltaic and other renewable energy It has strong uncertainty itself, so it will bring new challenges to the daily dispatching operation of the distribution network. In addition to the uncertainty of distributed power sources, the uncertainty of loads will also affect t...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/38H02J3/28
CPCH02J3/383H02J3/00H02J3/28H02J2203/20Y02E10/56Y02E70/30
Inventor 高昇宇卫志农成乐祥汪春夏俊荣孙国强臧海祥王春宁谈康许洪华江钧梁硕
Owner JIANGSU ELECTRIC POWER CO
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