Results 81 to 90 of about 7,968 (210)
Typical feature extraction and modeling of complex power dynamic load signals [PDF]
The scale of clean energy and electric energy substitution is expanding with the rapid development of China's new power system and the steady introduction of “dual carbon” strategic goals.
Jing WANG, Jingxia CHEN
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Multi-Dimensional Business Operation Models and Development Strategies for Electric-Hydrogen Complementary and Collaborative System [PDF]
[Objective] The coordinated development of electricity and hydrogen is a key pathway to achieving dual carbon goals and serves as a crucial support for building a new power system.
Changjun XIE +6 more
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1990年5月26日,一种新型辅助开关在沈阳市通过了机电部和能源部联合召开的新产品技术鉴定。后经该产品制造厂辽宁省电器设备制造厂申请,已由西安高压电器研究所命名为F6系列辅助开关,并颁发了型号证书和型号使用证书。 F6系列辅助开关是高压开关设备在电力系统中作为保护、控制、开合、联锁作用的元件。许多的经验和大量的资料表明,以往辅助开关在电力系统运行中的事故占有较大比例。所以,辅助开关的性能和质量,对于电力系统的运行可靠性,具有重大的影响 ...
柯自力
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Analysis of the Influence of Furnace Side Heat Storage Coefficient on Primary Frequency Modulation Capacity Under Deep Modulation Condition of Thermal Power Unit [PDF]
In order to study the influence of the heat storage coefficient of the furnace side evaporation section and superheating section on the primary frequency modulation capacity of the thermal power unit under the deep modulation working conditions, a ...
CHEN Zhensan +5 more
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Application analysis of fgOTN in power communication network [PDF]
With the steady advancement of new power system construction and the development of smart grids, the power communication network, as an important part of a power system, its technology selection and network architecture design are crucial to the ...
LIU Jianming
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Prospects for the Development Path of Highway PV-Storage-Charging Integration Under the Background of Transportation and Energy Integration [PDF]
[Introduction] The rapid development of new energy vehicles (NEVs) brings higher requirements for the power demand of highways. Based on the analysis of the power loads of highways, the photovoltaic endowment, and the energy storage technologies suitable
Bingcheng ZHANG +6 more
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碳达峰、碳中和已成为中国核心的能源发展战略,着力发展以可再生能源为主体、广泛接纳分布式电源的新型电力系统是实现这一战略的重要途径。与发展新型电力系统相适应的电网规划方法应充分考虑发电碳排放,保障零碳、低碳电能传输,避免由输电阻塞引起的弃光弃风;同时,在规划中充分挖掘分布式电源高占比配电系统的协同作用,助力可再生能源的高效消纳。为此,文中提出面向低碳目标的输配电系统协同电网规划模型,将碳减排纳入电网规划优化目标。针对分布式电源高占比配电系统 ...
张裕, 李庆生, 罗宁
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J型管作为新型电力系统中新能源海上风电送出系统海底电缆的保护装置,其存在会阻碍海缆对外散热,制约整条风电送出线路的载流量。为了提高J型管段海缆载流量,文中建立了典型J型管段流体—温度耦合数值模型,仿真分析了环境风速、太阳辐射、环境温度对直流±250 kV海底电缆封闭J型管系统温度场的影响规律,确定J型管载流量瓶颈位置,提出了一种J型管外壁开孔配合平台开孔引入外界风的J型管载流量提升方法,验证了仿真模型与算法的正确性。结果表明与全封闭J型管系统相比,J型管外壁开孔配合平台开孔能有效降低海缆温度 ...
崔戎舰 +5 more
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随着电力物联网的高速发展,庞大数量的分布式传感器的供电问题成为了亟待解决的技术难题。摩擦纳米发电机作为一种高效且低成本的新型供能技术,在自驱动传感领域具有极大的应用前景。文中提出并研制了一种面向电力物联网应用环境下的宽风速摩擦纳米发电机自驱动系统,创新地引入了同心双转轴的结构设计,使其在宽风速范围下能够有效收集风能并保证优异的输出性能。实验阶段搭建了基于风力涡轮机的风力测试平台,测试了不同风速下摩擦纳米发电机的基本电气性能和负载特性。最后构建并演示了所设计的摩擦纳米发电机自驱动系统 ...
冯运 +6 more
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