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Power system frequency modulation controllable electric automobile quantity dynamic change simulation method based on Monte Carlo

A technology for electric vehicles and simulation methods, which is applied in software simulation/interpretation/simulation, program control devices, etc., and can solve the problems of lack of actual data research support, limited number of electric vehicles, and lack of controllable changes in the number of electric vehicles.

Inactive Publication Date: 2015-03-25
CHONGQING UNIV +2
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Problems solved by technology

In China, electric vehicles are still in the early stage of market promotion, the number of electric vehicles is very limited, and there is a lack of actual data as research support, and domestic research on electric vehicles participating in system frequency modulation is rare, and there is a lack of controllable electric vehicles participating in system frequency modulation Research on Algorithm of Quantity Variation

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  • Power system frequency modulation controllable electric automobile quantity dynamic change simulation method based on Monte Carlo
  • Power system frequency modulation controllable electric automobile quantity dynamic change simulation method based on Monte Carlo
  • Power system frequency modulation controllable electric automobile quantity dynamic change simulation method based on Monte Carlo

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Embodiment Construction

[0037] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0038] figure 1 It is a schematic flow chart of the method of the present invention. As shown in the figure, the method includes the following steps: Step 1: Initialize the relevant parameters of electric vehicles; / Out of the controllable state timetable; Step 3: Statistically analyze the timetable to obtain the number N′ of electric vehicles entering the controllable state at each moment in the region in (t i ) and the number of electric vehicles in controllable state N' out (t i ); Step 4: Calculate the cumulative number of vehicles entering / exiting the controllable state; Step 5: Calculate the number of controllable electric vehicles.

[0039] Wherein, in step 2, the Monte Carlo method is used to statistically analyze the data to obtain the controllable state time table of entry / exit of all electric vehicles in the area. The catego...

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Abstract

The invention relates to a power system frequency modulation controllable electric automobile quantity dynamic change simulation method based on Monte Carlo, and belongs to the technical fields of electric automobiles and an access grid thereof. The method comprises the following steps: firstly, initializing relevant parameters of electric automobiles, secondly, judging types of the electric automobiles, and determining in / out controllable state time tables of all the electric automobiles, thirdly, making statistics and analyzing the time tables, so as to obtain the controllable electric automobile quantity N'in (ti) and the out controllable electric automobile quantity N'iout (ti) within every moment in a region, fourthly, computing the cumulative quantity of automobiles at in / out controllable state, and fifthly, computing the quantity of controllable electric automobiles. The method can properly compute the quantity of the controllable electric automobiles in the region, so as to obtain the quantity dynamic change of various types of the controllable electric automobiles participating in frequency modulation, meanwhile, the method fills the gap in the technical filed, and lays a solid theoretical foundation for deeply researching electric automobiles participating in frequency modulation.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles and their access to power grids, and relates to a Monte Carlo-based method for simulating dynamic changes in the number of electric vehicles controlled by frequency modulation in a power system. Background technique [0002] Electric vehicle and grid interaction (Vehicle-to-Grid, V2G) technology refers to a new type of technology for electric vehicles to realize two-way exchange of information and energy with the grid under a controlled state. This technology emphasizes that in addition to absorbing energy from the grid, electric vehicle batteries can feed back battery energy to the grid when necessary. V2G system is a high-end comprehensive application system integrating power electronics, communication, dispatching, metering and load demand side management and many other technologies. It embodies the energy storage function of electric vehicle batteries. Using V2G technology, electric...

Claims

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Application Information

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IPC IPC(8): G06F9/455
Inventor 张谦周林付志红张淮清李春燕夏维建
Owner CHONGQING UNIV
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