本文選題：電動汽車 + 區(qū)域配電網(wǎng)�。� 參考：《華北電力大學(xué)》2017年碩士論文

【摘要】：近年來全球氣候不斷惡化,傳統(tǒng)化石燃料汽車受到挑戰(zhàn),電動汽車領(lǐng)域迅速發(fā)展。電動汽車充電負(fù)荷在時間和空間上具有一定隨機性,電動汽車的隨機充電會導(dǎo)致配電網(wǎng)負(fù)荷峰值加大,影響配電網(wǎng)的安全穩(wěn)定運行。為給用戶提供合格的電能質(zhì)量,配電網(wǎng)需要進行增容擴建,在電力市場化的形式下,電力企業(yè)越來越重視配電網(wǎng)的成本效能。因此研究電動汽車有序充電提高配電網(wǎng)的成本效能具有重要意義。區(qū)域配電網(wǎng)是由多種用電負(fù)荷組成的,分析居民小區(qū)用電負(fù)荷、商業(yè)部門用電負(fù)荷以及政府部門用電負(fù)荷的用電規(guī)律,針對不同的負(fù)荷對電動汽車采用不同的有序充電策略,居民小區(qū)和政府部門的電動汽車夜晚停放時間較長,有足夠的充電時間,本文提出了一種基于峰谷電價的延時充電策略;商業(yè)區(qū)電動汽車�？肯鄬�,停靠時間相對較短,且商業(yè)區(qū)電價較高,本文采用V2G模式進行有序充放電控制。考慮到區(qū)域配電網(wǎng)不同類型用戶的用電負(fù)荷用電規(guī)律的不同,其不同類型的負(fù)荷的之間在空間上能夠形成互補。為達到區(qū)域配電網(wǎng)削峰填谷的目的,在居民小區(qū),政府部門和商業(yè)區(qū)用電負(fù)荷進行單點有序充電的基礎(chǔ)上使其在空間上進行互補,從而進一步降低配電網(wǎng)的峰谷差。為給用戶提供合格的電能質(zhì)量,配電網(wǎng)需要升級改造。根據(jù)不同的電動汽車的接入模式對配電網(wǎng)進行規(guī)劃,通過計算配電網(wǎng)成本效能指標(biāo)來體現(xiàn)配電網(wǎng)規(guī)劃方案的優(yōu)劣。通過對居民小區(qū)、政府部門用戶進行峰谷電價延時充電仿真,驗證了峰谷電價延時充電法的有效性;通過對商業(yè)區(qū)用戶進行V2G模式下的充電負(fù)荷仿真,驗證了V2G控制策略的有效性。以IEEE-RBTS Bus5系統(tǒng)主饋線為算例,進行時空互補的有序充電仿真,驗證了區(qū)域配電網(wǎng)時空互補有序充電策略的有效性。分別計算了電動汽車不同接入模式下原有配電網(wǎng)的電能質(zhì)量。根據(jù)電動汽車的不同接入模式進行配電網(wǎng)規(guī)劃,通過成本效能的計算驗證了時空互補有序充電規(guī)劃方案最優(yōu)。
[Abstract]:In recent years, the global climate is deteriorating, the traditional fossil fuel vehicles are challenged, and the electric vehicle field is developing rapidly. The charging load of electric vehicle is random in time and space. Random charging of electric vehicle will increase the peak load of distribution network and affect the safe and stable operation of distribution network. In order to provide users with qualified power quality, the distribution network needs to be expanded. In the form of electricity marketization, power enterprises pay more and more attention to the cost effectiveness of distribution network. Therefore, it is of great significance to study the orderly charging of electric vehicles to improve the cost efficiency of distribution network. The regional distribution network is composed of a variety of power loads. This paper analyzes the law of electricity consumption in residential areas, commercial departments and government departments, and adopts different orderly charging strategies for electric vehicles under different loads. Electric vehicles in residential areas and government departments have long parking time at night and sufficient charging time. In this paper, a time-delay charging strategy based on peak and valley price is proposed, and the parking time of electric vehicles in commercial district is relatively concentrated, and the parking time is relatively short. The electricity price of commercial district is high. In this paper, V2G mode is used to control the charge and discharge orderly. Considering the different law of power consumption of different types of users in regional distribution network, the different types of load can complement each other in space. In order to realize the goal of cutting peak and filling valley in regional distribution network, on the basis of single point orderly charging of electricity load in residential area, government department and commercial district, it can complement each other in space, thus further reducing the peak and valley difference of distribution network. In order to provide users with qualified power quality, the distribution network needs to be upgraded. According to the different access modes of electric vehicles, the distribution network is planned, and the cost effectiveness index of the distribution network is calculated to reflect the advantages and disadvantages of the distribution network planning scheme. The validity of peak-valley price delay charging method is verified by the simulation of peak-valley price delay charging for residential district and government department users, and the charging load simulation of commercial area users under V2G mode is carried out. The effectiveness of V2G control strategy is verified. Taking the main feeder of IEEE-RBTS Bus5 system as an example, the spatio-temporal complementary ordered charging simulation is carried out to verify the effectiveness of the space-time complementary ordered charging strategy for regional distribution network. The power quality of the original distribution network under different access modes of electric vehicles is calculated respectively. The distribution network planning is carried out according to the different access modes of electric vehicles, and the optimization of space-time complementary orderly charging planning scheme is verified by the cost effectiveness calculation.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM73;U491.8

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本文編號：1800402