Results 51 to 60 of about 12,416 (162)

A Technology and Application of Fiber Temperature Sensor for High Voltage Circuit Breaker [PDF]

open access: yes, 2015
随着中国经济的高速发展,电网规模的日益庞大,高压断路器作为电力系统中必不可少的电气设备之一,其工作状态是否正常关乎整个电力系统能否安全高效地运行。为了避免高压断路器因电阻过大或其他故障引起的局部温度超过国家标准而引发停电、火灾等大规模事故,对高压断路器的温度进行实时监测是十分必要的。 针对10KV断路器在线温度监测难的问题,本文提出一种基于反射式强度调制的光纤温度传感系统。本温度传感系统具有非接触、抗电磁干扰能力强、安装便利、性能稳定等优点,此外,本文选用双金属片作为温度敏感元件,价格低廉 ...
单晓宇
core  

3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation

open access: yesRare Metals, EarlyView.
ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo   +9 more
wiley   +1 more source

Interface Issues of Inorganic Solid‐State Electrolytes in Secondary Magnesium Batteries

open access: yesRare Metals, EarlyView.
ABSTRACT Solid‐state magnesium batteries (SSMBs) have gained significant attention as promising candidates for next‐generation safe energy storage systems because of the abundance of magnesium (Mg) in the earth's crust, superior energy density, and inherent nonflammability.
Jiren Wang   +9 more
wiley   +1 more source

计及静态安全约束的电-气耦合综合能源系统供电能力评估方法 [PDF]

open access: yes全球能源互联网, 2019
供电能力反映了电力系统所能承载的最大负荷,即在给定的发电机运行方式下,模拟系统中负荷的增长模式,不断检验系统的安全约束条件,从而确定系统所能供给的最大供电负荷。然而,随着以天然气为一次能源的燃气发电机发电比重的显著提升,传统供电能力评估方法并没有考虑燃气发电机的一次能源供应以及天然气系统的运行约束,显然并不恰当。为此,提出了基于连续多能流的电-气耦合综合能源系统供电能力评估方法。首先,建立了电-气耦合综合能源系统的多能流模型;接着引入负荷增长参数,提出连续多能流方法,通过预测-校正追踪多能流解曲线;最后,
骆柏锋   +6 more
doaj   +1 more source

Research and Design of Fujian Electric Power Communication Back bone Optical Transmission NetworkExpansion [PDF]

open access: yes, 2014
福建电力通信传输网络主要采用光纤通信技术,其他传统通信模式为补充的运行方式,初步建成以光纤通信为主,辅以微波通信、电力线载波通信、卫星通信的电力通信传输网,业务范围也不仅仅是过去的电力调控运行,已发展到目前贯穿电力生产、调度、基建、营销、联合办公等,涵盖电力公司的生产与经营的全部过程,传送着与电力生产与运营以及企业管理相关的语音、数据和图像业务。然而随着电网建设的飞速发展以及国网公司智能电网建设的开展,电力生产与企 业管理的数据业务暴增,福建电力主干通信传输网现有骨干网络将难以满足日益 ...
黄润国
core  

Bottom‐Up Strategy Toward 3D Porous MXene/MoS2 Nanosheets/Graphene Nanoarchitectures as Highly‐Efficient Hydrogen Evolution Electrocatalysts

open access: yesRare Metals, EarlyView.
ABSTRACT As a core component in the electrochemical water splitting system, the cathode catalyst is capable of boosting the kinetics of the hydrogen evolution reaction (HER), while the scarcity and expenditure of current noble metal‐based electrocatalysts seriously restrict the large‐scale commercial development of hydrogen manufacturing devices. Here,
Haiyan He   +8 more
wiley   +1 more source

特约主编寄语 “面向新型电力系统的先进电气装备技术”专题

open access: yesGaoya dianqi, 2022
构建以新能源为主体的新型电力系统,一方面对电气装备提出了更高的要求,另一方面为先进电气装备的研发提供了机遇。柔性化和数字化是传统电力系统向新型电力系统演化的基本途径,柔性化是对电力一次系统的改造和创新,数字化则是对电力二次系统的改造和创新,而先进电气装备则是实现电力系统柔性化和数字化的物质基础。先进电气装备扎根于电磁、电弧、绝缘材料、电力电子学等基础理论和技术,同时依托数字信号处理、互联网和人工智能等新兴技术,
徐政
doaj  

Performance-based regulation and its applications [PDF]

open access: yes, 2017
2002-2003 > Academic research: refereed > Publication in refereed journalVersion of ...
David, AK, Ngan, HW, Wen, FS, Xu, N
core  

Nanofiltration Membranes for High‐Selectivity Separation of Li+ and Mg2+ From Salt Lake Brines: Strategies, Challenges, and Perspectives

open access: yesRare Metals, EarlyView.
ABSTRACT Against the backdrop of global clean energy transition and surging demand for lithium resources, lithium extraction from salt lakes presents unprecedented development opportunities. Nanofiltration (NF) membrane technology, recognized for its efficiency, energy savings, and environmental benefits, demonstrates significant application potential ...
Wen‐Feng Li   +5 more
wiley   +1 more source

A Study On The Human Resources Reallocation Of Fujian Electric Power Call Center [PDF]

open access: yes, 2016
企业随着市场与环境进行业务流程与管理模式调整,必然会带来岗位工作内容以及相应的任职要求的调整,从而需要进行人力资源的再配置。职位分析、胜任力模型的搭建以及人力资源的配置都是现代人力资源管理的重要模块,它从组织战略出发,以具体的业务流程和管理要求为依据,通过对职位进行分析,实现业务流程和管理模式与组织职位的设置相匹配,通过对职位胜任力模型的设计与搭建,实现职位所需的人力资源能力的量化管理,通过对现有的人力资源的再配置,实现人岗相匹配的同时尽量维持队伍的稳定性、降低人力资源与企业文化、业务背景适应性的风险 ...
黄频
core  

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