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基于峰谷電價的需求響應(yīng)效果評價

發(fā)布時間:2018-07-06 18:58

  本文選題:需求響應(yīng) + 電力用戶。 參考:《華北電力大學(xué)》2014年碩士論文


【摘要】:經(jīng)濟的飛速發(fā)展和電力消費量的不斷增加導(dǎo)致的電力供應(yīng)和用戶電力需求之間的矛盾越來越大。通過盲目增加裝機容量來滿足用電高峰時段的電力需求,勢必造成電力資源的極大浪費,加重企業(yè)和用戶的負擔(dān),這就給智能電網(wǎng)的發(fā)展提出了新課題和新挑戰(zhàn)。近年來,電力需求側(cè)管理在中國越來越受到重視,需求響應(yīng)(demand response, DR)作為電力需求側(cè)管理的解決方案之一,在保障電網(wǎng)穩(wěn)定運行、抑制電價上升方面具有重要作用。 在電力市場化的改革中,為了緩解并解決電網(wǎng)側(cè)的電力供需矛盾,通過電力需求響應(yīng)科學(xué)配置電能、合理安排需方資源,同時用戶的用電需求對電力價格的響應(yīng)能力,可以在保持供電可靠性水平的前提下在一定程度上降低用戶的用電費用,降低電力系統(tǒng)高峰時段的供電成本和電力負荷的波動幅度,進而降低總供電成本,從而有效緩解電力短缺局面,提高電力資源的利用率,達到節(jié)約資源、促進發(fā)展和保護環(huán)境的目的。 本文首先在參考了大量文獻和國內(nèi)外研究的基礎(chǔ)上,深入了解和全面分析了國內(nèi)外對需求響應(yīng)的相關(guān)措施研究和發(fā)展的情況,總結(jié)出其具體的發(fā)展方向與趨勢,同時針對我國目前的用電現(xiàn)狀及電力需求進行了討論與分析,并提出了我國實施電力需求響應(yīng)的迫切性和必要性,詳細介紹了電力需求側(cè)管理的背景及意義,闡述了電力需求響應(yīng)的概念、需求響應(yīng)實施過程中的主要參與方、具體措施、實施過程,并詳細描述了電力需求響應(yīng)效益評價的相關(guān)方法。 本論文針對我國實施的電力需求響應(yīng)中的峰谷電價措施,從用戶側(cè)電力需求響應(yīng)的角度出發(fā),概述了峰谷時段的劃分,分析了需求響應(yīng)措施實施前確定用戶基線負荷的必要性,提出峰谷電價實施前的基線負荷測算和峰谷電價實施后用戶的用電負荷測算模型,對峰谷電價的實施效果模型進行了詳細測算,分別從用戶收益、電網(wǎng)收益和環(huán)境效益3個方面對實施基于峰谷電價的需求響應(yīng)效果進行測算和求解,并在此基礎(chǔ)上根據(jù)峰谷電價實施的實例對峰谷電價措施實施前后的負荷大小及實施效果進行了測算,驗證了基于峰谷電價的需求響應(yīng)實施效果模型的合理性和有效性。 目前,我國需求響應(yīng)措施的具體實施與發(fā)展仍處于起步階段,在各方面的研究與實施效果的測算方面還需要大量的基礎(chǔ)工作。本文所進行的研究工作通過對需求響應(yīng)措施實施前后的負荷及由此產(chǎn)生的效果進行測算,可以用作需求響應(yīng)措施實施的效果評估,將成為研究需求響應(yīng)實施效果的有力方法和依據(jù)。
[Abstract]:With the rapid development of economy and the increasing of electricity consumption, the contradiction between electricity supply and user's power demand is becoming more and more serious. Blindly increasing the installed capacity to meet the power demand during the peak period will inevitably lead to a great waste of power resources and increase the burden on enterprises and users. This brings new problems and challenges to the development of smart grid. In recent years, more and more attention has been paid to DSM in China. As one of the solutions of DSM, demand response (demand response, Dr) plays an important role in ensuring the stable operation of power grid and restraining the rise of electricity price. In the reform of electric power market, in order to alleviate and solve the contradiction between supply and demand of power supply and demand on the power grid side, the scientific allocation of electric energy through the response of power demand, the reasonable arrangement of the resources of the demand side, and the response ability of the user's demand to the electricity price, On the premise of maintaining the reliability level of power supply, the cost of electricity consumption can be reduced to a certain extent, the power supply cost and the fluctuation range of power load during the peak period of power system can be reduced, and then the total power supply cost can be reduced. Therefore, the situation of electricity shortage can be effectively alleviated, the utilization rate of power resources can be improved, and the purpose of saving resources and promoting development and protecting the environment can be achieved. Firstly, based on a large number of literatures and domestic and foreign studies, this paper has deeply understood and comprehensively analyzed the research and development of the relevant measures in response to demand at home and abroad, and summed up its specific development direction and trend. At the same time, the paper discusses and analyzes the current situation and demand of electricity in our country, and points out the urgency and necessity of implementing demand response in China, and introduces the background and significance of DSM in detail. This paper expounds the concept of power demand response, the main participants in the process of implementing demand response, the concrete measures and the implementation process, and describes in detail the relevant methods for evaluating the benefit of power demand response. This paper aims at the peak-valley price measures in China's electricity demand response, from the point of view of the user side electricity demand response, summarizes the division of peak and valley periods, and analyzes the necessity of determining the user's baseline load before the implementation of the demand response measures. This paper puts forward the base line load calculation before peak-valley electricity price implementation and the user's power load calculation model after peak-valley electricity price implementation, and calculates the implementation effect model of peak and valley electricity price in detail, respectively from the user's income. The effect of demand response based on peak-valley price is calculated and solved from three aspects of power grid income and environmental benefit. Based on this, the load size and the effect of peak-valley electricity price before and after the implementation of peak-valley electricity price are calculated, and the rationality and validity of the implementation effect model based on peak-valley electricity price are verified. At present, the implementation and development of our country's demand response measures are still in the initial stage, and a lot of basic work is needed in all aspects of research and measurement of the effect of implementation. The research work carried out in this paper can be used to evaluate the effect of demand response measures by measuring the load before and after the implementation of the demand response measures and the resulting effects. It will be a powerful method and basis to study the effect of demand response implementation.
【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】:2014
【分類號】:F426.61;F224

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