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Electricity control strategy method for electric vehicles to take part in conventional peak load regulation of public buildings

An electric vehicle and electric control technology, which is applied in the direction of circuit devices, AC network circuits, and AC network load balancing, can solve problems such as few researches on optimal control strategies for electric vehicles, prevent premature convergence, solve high-dimensional problems, and accelerate efficiency effect

Inactive Publication Date: 2018-10-26
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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  • Electricity control strategy method for electric vehicles to take part in conventional peak load regulation of public buildings
  • Electricity control strategy method for electric vehicles to take part in conventional peak load regulation of public buildings
  • Electricity control strategy method for electric vehicles to take part in conventional peak load regulation 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 an electricity control strategy method for electric vehicles to take part in conventional peak load regulation of public buildings. Taking the daily power of public buildings as a reference, a mathematical model of conventional peak load regulation of the public buildings in which electric vehicles take part can be established by taking the power of the electric vehicles ascontrol variables; and for the mathematical model is a high-dimensional, multivariable and multi-constrained complex optimization problem, a proprietary inertial weighting method can be established by using improved particle swarm optimization so that the convergence performance of the algorithm can be enhanced. Premature convergence of the algorithm can be prevented by providing an adaptive evaluation method of variation processing based on random disturbance, and charging and discharging power can be reasonably distributed to each electric vehicle so that the purpose of peak load shifting can be realized.

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 Applications(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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