山东电网建设抽水蓄能电站的必要性

介绍了山东电网电源结构的特点和调峰现状,根据山东电网调峰容量预测和平衡情况,详细分析了抽水蓄能电站在山东电网的作用及经济性。分析结果表明,抽水蓄能电站可以在山东电网的电力平衡中充分发挥作用;建设抽水蓄能电站可增加调峰和备用容量,降低火电单位煤耗,还可作为电网的调频、调相、事故备用、黑启动电源,对电力市场的安全和电网经营起重要作用。因此,山东电网建设抽水蓄能电站是必要的。     

三峡电站投产后兴建抽水蓄能电站的必要性

论述了２０１０年三峡电站投产可承担系统的部分调峰任务，使火电机组的调峰性能提高，但在系统调峰容量明显扩大的情况下，华中电网建设抽水蓄能电站是必要的．     

四川电力系统迫切需要建设抽水蓄能电站

根据四川电力系统的现状和发展，研究阐述了抽水蓄能电站对电网巨大的机动灵活性，从而带来电网最佳经济效益和社会效益，是解决系统长期存在的调峰调频，缺少备用容量、弃水调峰损失等问题的好办法，是四川电力系统安全经济运行的迫切需要。     

建设抽水蓄能电站必要性的思考

抽水蓄能电站具有填谷调峰的优良特性.详述了调频、调相、负荷调整、旋转备用、提高电网可靠性的辅助功能以及世界和中国抽水蓄能电站的发展情况.提出我国在火电比重大和建设核电站的电网及"西电动送"受端电网,优先发展抽水蓄能电站,在水电比重较大,但调节性能差的电网,适当配置抽水蓄能电站.抽水蓄能电站一般应修建在负荷中心附近,且有天然湖泊或已建水库处.     

建设抽水蓄能电站必要性的思考

抽水蓄能电站具有填谷调峰的优良特性.详述了调频、调相、负荷调整、旋转备用、提高电网可靠性的辅助功能以及世界和中国抽水蓄能电站的发展情况.提出我国在火电比重大和建设核电站的电网及"西电动送"受端电网,优先发展抽水蓄能电站,在水电比重较大,但调节性能差的电网,适当配置抽水蓄能电站.抽水蓄能电站一般应修建在负荷中心附近,且有天然湖泊或已建水库处.     

建设抽水蓄能电站必要性的思考

抽水蓄能电站具有填谷调峰的优良特性。详述了调频、调相、负荷调整、旋转备用、提高电网可靠性的辅助功能以及世界和中国抽水蓄能电站的发展情况。提出我国在火电比重大和建设核电站的电网及"西电动送"受端电网,优先发展抽水蓄能电站,在水电比重较大,但调节性能差的电网,适当配置抽水蓄能电站。抽水蓄能电站一般应修建在负荷中心附近,且有天然湖泊或已建水库处。     

兴建三峡抽水蓄能电站,提高三峡电能质量

三峡工程由于库容相对较小，水量调节程度低，所发电量大部分是基荷电量，以火电为主的华东电网接受大量三峡基荷电，更大大中调峰缺口，三峡坝址附近有条件优越的抽水蓄电站站址，兴建三峡抽水蓄能电站，提高三峡电能质量，作为减少华东电网调峰缺口的措施之一。     

发展抽水蓄能电站是电网调峰和经济运行的选择

本文对抽水蓄能电站在电网中的作用和效益进行了分析,认为当前发展抽水蓄能电站主要是解决电网调峰和经济运行的问题,而经济运行问题逐步成为决定的主要因数,建设抽水蓄能电站取得的经济效益如何合理分配,是发展抽水蓄能电站的关键。本文同时对抽水蓄能电站建设应该考虑的关键问题进行了分析,并提出了对其问题的一些认识。     

仙居抽水蓄能电站建设必要性和经济性分析

华东电网(江苏、浙江、安徽、上海)是我国最大的跨省市电网，地区经济发展处于我国的先进水平，电力需求增长迅猛，而区内能源资源缺乏，可开发水电资源已经不多，系统将重点发展大容量、高参数煤电机组．积极发展天然气、LNG和核电，还将接受大量区外来电。区内供需矛盾较为突出，调峰压力将进一步增大。为缓解系统调峰压力、优化电源结构、改善系统安全、经济、稳定运行条件，建设一定规模的抽水蓄能电站是必要的。仙居抽水蓄能电站地理位置适中，建设条件优越，经济指标优良，接入系统方便，通过经济分析，仙居抽水蓄能电站是一个经济的调峰备用电源。电站建成后可服务于华东电网和浙江电网。     

风电场中抽水蓄能电站的优化配置

为解决电力系统接入风电容量超过一定比例后引起的调峰及弃风问题,改善风电场功率输出特性,可采用与风电场配套建设抽水蓄能电站的模式。在建立风电场及抽水蓄能电站运行模型的基础上,以风电—抽水蓄能电站经济效益为目标,采用一种新的自适应遗传算法对风电—抽水蓄能电站的最佳容量配比进行求解。通过对一实际算例的仿真,表明配置适当容量的抽水蓄能电站可提高风电场的综合效益。     

Technical feasibility analysis of utilizing mine to construct pumped storage plant

利用废弃矿洞建设抽水蓄能电站不仅是抽水蓄能新形式的探索,更是基于电力市场和生态环境恢复双向需求的产物。在明确定义三种矿洞（坑）利用模式的基础上,重点从矿洞抽水蓄能的站址选择、动能估算、工程布置三个方面进行了工程技术可行性分析,并在典型案例中予以验证,旨在为进一步设计优化矿洞抽水蓄能工程布置方案提供借鉴。     

基于负荷预测的储能功率分配优化策略

针对目前电力系统调峰、调频储能电站容量有限的情况,文章提出了一种基于负荷预测的储能电站调峰、调频功率分配策略.首先建立了基于遗传算法(Genetic Algorithm,GA)优化BP神经网络的负荷预测模型,对电力系统中的负荷进行精准的预测,为储能电站参与调峰、调频提供计划调度参考;在此基础上,计及储能电站参与调峰、调...     

Investment in wind power and pumped storage in a real options model

Promoting renewable energy has been a key ingredient in energy policy seeking to de-carbonize the energy mix and will continue to do so in the future given the European Union's high ambitions to further curb carbon emissions. A wide range of instruments has been suggested and implemented in various countries of the EU. A prominent policy promoting investment in renewable technologies is the use of feed-in tariffs, which has worked well at large scale in, e.g. Germany, but which has only been implemented in a very limited way in countries such as the UK.Being subject to environmental uncertainties, however, renewables cannot be seen in isolation: while renewables-based technologies such as wind and solar energy, for example, suffer from uncertain loads depending on environmental conditions, hydropower allows for the storage of water for release at peak prices, which can be treated as a premium (partially) offsetting higher upfront investment costs. In addition, electricity prices will respond to changes in electric capacity in the market, which is often neglected in standard investment models of the electricity sector.This paper contributes to the existing literature in two ways: it provides a review of a renewables-based technology in a specific policy context and provides additional insight by employing a real options approach to investigate the specific characteristics of renewables and their associated uncertainties in a stylized setting taking explicitly into account market effects of investment decisions. The prices of the model are determined endogenously by the supply of electricity in the market and by exogenous electricity price uncertainty. The inclusion of market effects allows us to capture the full impact of public incentives for companies to invest into wind power and hydro pumped storage installations.     

新型泵水储能动力装置和它的 S_S_S_离合器

本文介绍了水力发电装置中的最佳,高效、节能动力装置——新型泵水储能动力装置,以及该装置中的s.s.s.离合器。     

Development and assessment of geothermal-based underground pumped hydroenergy storage system integrated with organic Rankine cycle and district heating

This study develops a geothermal-based underground pumped hydroenergy storage system (UPHES) integrated with an organic Rankine cycle (ORC) and district heating. The ORC has been integrated into the system for contributing the power demand of the pump used during the charging period to pump the water from the underground to the upper reservoir. District heating has been performed by geothermal. Heat recovered from the ORC has been used for the preheating of water used in district heating before entering the upper reservoir. With this proposed integrated system, both the peak energy demand has been shifted to off-peak hours and district heating has been performed. An ORC has also been included in the system to contribute to the energy demand of the UPHES pump. In order to evaluate the system's performance, thermodynamic analysis has been performed base on energetic and exergetic efficiencies. In the base case study, 60 MWh of electricity has stored by the UPHES. Also, a 2.8 MW of heating demand of 100 houses has been met and a 1.7 MW of power has been generated by the ORC. The power of the UPHES pump has been calculated as 6.81 MW. The efficiency of the UPHES system is 73.34%. Overall energy and exergy efficiencies of the proposed integrated system have been calculated as 93.09% and 78.37%, respectively.     

调峰电站及其蓄能技术

介绍了调峰电站在电力供应、电网调峰方面的作用和意义 ,概述了调峰电站的主要类型以及国内外的应用现状 ,指出寻找新的蓄能方法的重要性 ,并列举了目前几种主要的蓄能方法     

Life cycle sustainability assessment of pumped hydro energy storage

At present, pumped hydro energy storage plays the dominant role in electrical energy storage. However, its development is clearly restricted by the topography and adverse impacts on local residents. Underground pumped hydro energy storage (UPHES) using abandoned mine pits not only can effectively remedy these drawbacks but is also constructive to the management of abandoned mine pits. In this paper, we firstly conduct a comprehensive analysis of conventional pumped hydro energy storage (CPHES) and UPHES, using life cycle sustainability assessment (LCSA). Sustainability indicators in this paper include economic indicators, environmental indicators, and social indicators. Among all the indicators, blue water footprint (BWF) and ecological footprint (EF) are included for the first time to assess the social performance of CPHES and UPHES. Then, this paper employs multi-attribute value theory (MAVT) and scenario analysis to evaluate the overall performance of energy storages. The results show that CPHES has better performance in economy and environment than UPHES because of the economies of scale, while the UPHES has better performance in social sustainability impact because of the absence of stages of excavation and backfilling. When using MAVT methodology, only when the weight for social indicator is three times higher than that of economy and environment; ie, the weight for social dimension is 0.6, and the weights for environmental and social dimension are 0.2; the score of UPHES is higher than CPHES.