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Distribution network reliability assessment method considering electric vehicle access

An electric vehicle, reliability technology, applied in the direction of computing, electrical components, circuit devices, etc., can solve problems affecting the improvement of the reliability of electric vehicles on the distribution network

Active Publication Date: 2016-02-03
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the impact of random faults in the distribution network on the charging and discharging of electric vehicles has not been taken into account. Failures in the distribution network will interrupt the charging of electric vehicles, which will indirectly affect the improvement of the reliability of the distribution network by electric vehicles.

Method used

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  • Distribution network reliability assessment method considering electric vehicle access
  • Distribution network reliability assessment method considering electric vehicle access
  • Distribution network reliability assessment method considering electric vehicle access

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Embodiment Construction

[0063] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0064] In this embodiment, R represents the living area, that is, the charging area, and C represents the office area, that is, the discharging area.

[0065] Such as figure 1 with figure 2 As shown, step a: Establish reliability model of distribution network components.

[0066] Repairable forced failures can be simulated by a steady-state "run-stop-run" cycle. The following formula is used to establish the reliability model of distribution network components,

[0067] U = λ λ + μ = M T T R M T T R + M T T ...

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Abstract

The invention discloses a distribution network reliability assessment method considering electric vehicle access, which comprises the steps of establishing a distribution network component reliability model; defining an electric vehicle reliability index considering distribution network fault influences; carrying out processing on data by adopting a Latin hypercube sampling based time sequential Monte-Carlo simulation method, and assessing the reliability of a distribution network considering the electric vehicle access. The significant effects are that mutual effects between a circumstance that electric vehicles act as energy storage devices and the isolated distribution network reliability are considered, the number of electric vehicles required to be accessed to the distribution network can be reasonably determined by the method, and configuration of other power supplies of the distribution network containing the electric vehicles can also be reasonably determined, thereby improving the reliability of the distribution network.

Description

technical field [0001] The invention belongs to the field of power distribution networks, and in particular relates to a method for evaluating the reliability of a distribution network considering the access of electric vehicles. Background technique [0002] With the rapid development of smart grid and V2G technology, when the distribution network fails to form an island area, a large number of electric vehicle batteries can be used as a mobile distributed power supply to supply power to the island area, improving the reliability of the distribution network and reducing large-scale electric vehicles. Adverse effects of car access. [0003] At present, the influence of distribution network faults on electric vehicle charging interruption is rarely considered in the research on the reliability of electric vehicles connected to distribution network. In the journal "IEEE Transactions on Sustainable Energy", Volume 5, Issue 1, 2014, "Reliability / costevaluation with PEV and wind...

Claims

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Application Information

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IPC IPC(8): H02J3/00G06Q10/06G06Q50/06
Inventor 谢开贵胡博陈娅冯思王曼
Owner CHONGQING UNIV
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