A power consumption control strategy method for electric vehicles to participate in conventional peak shaving of public buildings

An electric vehicle and electric control technology, applied in the direction of circuit devices, AC network circuits, AC network load balancing, etc., can solve the problem of few researches on optimal control strategies for electric vehicles

Inactive Publication Date: 2021-05-28
NANJING UNIV OF SCI & TECH
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Problems solved by technology

Domestic research on electric vehicles focuses on charging and discharging load forecasting and its impact on distribution networks. There are few studies on optimal control strategies for electric vehicles in different scenarios of public buildings.

Method used

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  • A power consumption control strategy method for electric vehicles to participate in conventional peak shaving of public buildings
  • A power consumption control strategy method for electric vehicles to participate in conventional peak shaving of public buildings
  • A power consumption control strategy method for electric vehicles to participate in conventional peak shaving of public buildings

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Embodiment Construction

[0047] according to figure 1 , figure 2 and image 3, select public buildings with relatively typical load curves to analyze and verify the control strategy. Public buildings such as hotels and guesthouses serve customers during the two periods of time from 11:00 to 14:00 in the afternoon and from 19:00 to 22:00 in the evening. Customers use the electrical equipment in hotels or guesthouses intensively, which will generate two load peaks. During the period from midnight to early morning, customers are in the sleep stage, and the power load at this time is mainly part of the lighting and part of the air conditioning load, and the load level is relatively low. In addition, for public buildings in hotels or guesthouses, users’ electric vehicles are also most likely to participate in building load regulation. On the whole, public buildings such as hotels or guesthouses are selected to carry out the calculation example of electric vehicles’ peak shaving of public buildings.

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Abstract

The invention discloses a power consumption control strategy method for electric vehicles to participate in conventional peak regulation of public buildings. Taking the daily power of public buildings as a benchmark and using the power of electric vehicles as a control variable, the conventional peak regulation of public buildings participated by electric vehicles is established. The mathematical model is a high-dimensional, multi-variable, and multi-constrained complex optimization problem. Using the improved particle swarm optimization algorithm, a proprietary inertia weight method is established to improve the convergence performance of the algorithm; at the same time, a random-based The adaptive degree evaluation method of disturbance variation processing prevents premature convergence of the algorithm, reasonably allocates charging and discharging power to each electric vehicle, and realizes the goal of peak shaving and valley filling.

Description

technical field [0001] The invention belongs to the technical field of smart grids, in particular to a power consumption control method for realizing conventional peak regulation in public buildings where electric vehicles participate. Background technique [0002] With the increasingly prominent structural contradictions of the national economy, the peak-to-valley difference of the power grid gradually expands with the continuous increase of the peak load of the power grid. At the same time, affected by the air-conditioning load, the unbalanced contradiction between power supply and demand in summer is particularly prominent, which has serious consequences for the safe and stable operation of the power system. huge influence. In order to cope with the ever-increasing load demand, the country invests hundreds of billions of yuan each year in the construction of peak-shaving power plants. Simply relying on the continuous increase of installed capacity to meet short-term peak ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/32
CPCH02J3/32H02J2203/20
Inventor 吴航海周运远黄炎焱
Owner NANJING UNIV OF SCI & TECH
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