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Optimization Calculation Method of Injection Voltage and Series Converter Capacity for Unified Power Flow Controller [PDF]
, 2023 [Introduction] The application of UPFC (Unified Power Flow Controller) is to increase the transmission capacity of key sections, which mainly through the injection of a certain series voltage into the system and therefore divert the power flow of target ...
Jiefeng ZHONG +4 more
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Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
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Gaoya dianqi, 2021 特高压变压器无功补偿配置有中压侧补偿和低压侧补偿两类,我国常用的低压侧无功补偿方案与国际相关标准采用的中压侧无功补偿方案不相符,在补偿效果与设备投资方面存在一些差异。文中针对国内研发的1 000 kV特高压自耦变压器,从理论上分析了其运行时产生的无功损耗情况以及中/低压侧补偿对运行电压的影响。然后采用PSCAD/EMTDC软件仿真,分析了特高压变压器不同侧无功补偿时各侧母线电压的波动水平和补偿效果。结果表明:在主变中压侧无功补偿产生的电压波动较在低压侧补偿更低,对运行安全更有利,且可补偿的容量更高 ...
张磊 +6 more
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Characteristics Analysis and Technical Prospect of Low-Frequency Main Transformer for Offshore Wind Power [PDF]
, 2023 [Introduction] Low-frequency alternating current power transmission technology has attracted wide attention. Although its theoretical research continues to go deeper, there are still many problems to be solved before its engineering implementation in ...
Jutian LI +4 more
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Impact Analysis of Energy Storage Participating in Peak Shaving and Valley Filling for Distribution Network on Network Loss and Voltage Deviation [PDF]
, 2023 [Introduction] The application scenarios of peak shaving and valley filling by energy storage connected to the distribution network are studied to clarify the influence of energy storage access on network losses and voltage quality on the distribution ...
Fuchun LI +5 more
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Research on the Design of Operating Condition of Multi-Resistance Superconducting DC Current Limiter [PDF]
, 2023 [Introduction] The working principle of the resistive superconducting current limiter is based on the zero resistance effect of the superconductor, which is connected in series in the line and basically has no resistance during normal operation. When the
Jinchuan GUO, Qin YIN
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Robust control of SVC: A new adaptive backstepping method [PDF]
, 2006 Dimirovski, Georgi M. (Dogus Author)A new extended adaptive backstepping algorithm for general nonlinear systems in parametric feedback form is proposed.
Dimirovski, Georgi M. +2 more
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Systematic nature positive markets
Conservation Biology, Volume 38, Issue 3, June 2024.Abstract Environmental markets are a rapidly emerging tool to mobilize private funding to incentivize landholders to undertake more sustainable land management. How units of biodiversity in these markets are measured and subsequently traded creates key challenges ecologically and economically because it determines whether environmental markets can ...
Alex Bush +2 more
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The Design Of Reactive Power Compensation Controller Based On ARM Processor [PDF]
, 2008 随着国民经济的快速增长，国家对于电能的需求不断增加，各种用电设备所需要的无功功率也会随着不断增加。无功功率在电网中的分布越来越复杂，会对电能造成极大的浪费。基于此，电力系统的无功功率补偿作为电力系统与自动化领域的一个很重要的研究课题，就具有特别重要的意义。本文从介绍无功补偿的现实意义出发，分析了无功补偿的必要性，简单介绍国内外无功补偿技术的研究现状，探讨无功补偿的几种方式以及无功补偿的基本原理，具体阐述基于ARM的低压电网无功补偿控制系统硬件及软件设计。在硬件设计方面 ...
朱俊青
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Optimal Configuration of Distributed Generation Considering Carbon Trading and Reactive Power Compensation [PDF]
Under the background of “double carbon”, the introduction of carbon trading and reactive power compensation mechanism in the planning of distributed generation is an important means to realize the low-carbon and stability of power system.
CHU Zhuang, SUN Jianhao
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