Coupling heat storage to nuclear reactors for variable electricity output with baseload reactor operation

Nuclear reactors produce heat and thus can couple to heat storage systems to provide dispacthable electricity while the reactor operates at full power. Six classes of heat storage technologies couple to light-water reactors with steam cycles. Firebrick Resistance-Heated Energy Storage (FIRES) converts low-price electricity into high-temperature stored heat for industry or power. FIRES and brick recuperators coupled to nuclear brayton power cycles may enable high-temperature reactors to buy electricity when prices are low and sell electricity at higher price.     

Zibo Sangde Machinery Equipment Co.,Ltd.

正The Most Professional Manufacturer of Refractory Electric Screw Press in ChinaZibo Sangde Machinery Equipment Co.,Ltd.is the first Manufacturer of Refractory Electric Screw Press in China,in the year of 2008,our company produced the first set 315T Refractory Electric Program-controlled Screw Press in China,which is no friction discs,simple structure,with PLC controlling the brick forming process,no need special operator.Once upon the Press was on the market,it achieved a strong interests and reputations from many Refractory Factories because of its Highefficient,Energy-saving(can save by 40-50%electricity comparing to the Friction Press),manpower reduction and improving the quality of bricks.     

一级行星架内孔淬火开裂原因分析

一批风电齿轮箱中42CrMo4钢一级行星架调质后机加工过程中发现内孔开裂。从成分偏析分析、淬火工艺验证、机加工表面磁粉探伤检测、金相分析等方面,对一级行星架进行了分析。结果表明,淬火冷却过于激烈是导致开裂的直接原因,严重的成分偏析是导致淬火开裂的主要原因。     

英国电力市场的价格机制分析

英国电力市场是一个各环节相对独立、充分竞争的现代化电力市场。简要介绍了英国电力市场的组成和电力交易过程,详细分析了英国电力市场发电公司、输配电公司、售电公司和系统运营商的盈利模式及最终的价格形成机制,重点描述了输配电公司的过网费和并网费的定价机制,并举例进行了说明。分析表明清晰合理的输配电公司过、并网费核算机制是开展受电侧定价的前提。基于对英国电力市场各环节电价和收益的分析,对国内正在开展的电力体制改革提出了建议。     

英国输电过网费定价机制分析

输电定价是电力市场中的关键环节,也是我国当前电力市场改革的重要任务。对英国的输电过网费形成机制进行了深入的研究。对相关的模型进行了介绍,对过网费的组成、过网费在发电机和负荷之间的分摊、参考节点的选择及修正常数的影响等问题进行了深入的分析。利用IEEE 14节点标准系统算例对参考节点的选取问题进行了分析,利用7节点算例对英国输电过网费定价机制引导发电机和负荷投资的有效性进行了分析。英国输电过网费的定价机制可以为发电和用户投资提供较好的经济信息,且分区定价方法灵活,可为我国输配电定价提供借鉴。     

干燥砂卵石土壤电阻率测量接触电阻问题研究

本文以河西走廊地区某高铁牵引变送电线路为例,重点介绍了采用四极对称法在干燥地区的干燥砂、卵碎石地层土壤电阻率测量遇到测量不出的问题,分析产生该问题的原因是电极与土壤间的接触电阻过大,提出解决该接触电阻过大的方法是增大电极接触面,增加电极深度,具体方法是往电极处浇灌足够的水,且让水具有足够的渗入时间,以达到降低接触电阻的目的。     

中国推进售电侧市场化的制度设计与建议

回顾了中国电力体制改革的历史进程,剖析了当前形势下中国推进售电侧改革的困难所在,研究了售电侧改革在电力体制改革中的定位,揭示了售电侧改革对形成市场化交易机制、促进分布式能源发展和开展需求响应的重要意义。在此基础上,提出了中国稳步推进售电侧改革的制度设计与建议,其中包括采用管制化与市场化相结合的方式培育售电主体、采用互联网手段加强用户侧的培育、分类建立差异化的售电主体准入机制、采用市场机制激励售电商提供多样化的增值服务、建立公益性售电商应对托管状态下的用电需求、建立公平透明的售电监管和信息披露制度等。     

Feasibility study of carbon capture and storage on NLC India Ltd

India is one of the largest growing economies in the world. It has a GDP of 2487.94 billion US dollars as of 2017. Around 61.297% of power generation is by utilising abundantly available lignite blended with imported coal. India is slowly cutting out its demand for imported coal from other countries. It has built its own lignite-based power plant to overcome the need of imported coal. The impact on cost of electricity (COE) and net power output (NPO) after retrofitting carbon capture and storage (CCS) over a lignite-based power plant of India is analysed. In this paper, a feasibility study is carried out for NLC India Ltd Barsingsar power plant by retrofitting CCS. The results obtained from the Integrated Environmental Control Model (IECM) Software are positively strong enough to encourage CCS implementation. Various strategies for utilising the CO₂ capture and carbon storage sites are suggested.     

建筑工程电气设计中的节能问题

介绍国内外建筑节能相关规范、标准的制定情况;从电动机、家用电器、配电变压器、照明灯具的选型等方面,探讨建筑工程电气设计中的节能理念、节能途径及方法;给出建筑电气专业节能专篇设计内容文字表述建议。