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肇庆电网集控站自动化系统的建设
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作者 张杰明 《西北电力技术》 2002年第6期34-36,共3页
分析了无人值班变电站的大量出现给传统电网运行管理模式带来的种种问题,指出设置地区调度中心集控站的必要性,介绍了肇庆电网集控站的组建、自动化系统配置以及实现的功能,并简述其产生的综合效益。
关键词 肇庆市 电力系统 集控站 自动化系统 地区调度中心 电力系统运动 计算机控制
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How the Orbital System of Particles Consolidates Gravity and Electromagnetism
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作者 William Day 《Journal of Philosophy Study》 2012年第9期619-630,共12页
There is an actual reality that underlies the relative reality of physics. The orbital system is shown to be the principle by which motion transforms space into matter. The support of the universe is the absolute thre... There is an actual reality that underlies the relative reality of physics. The orbital system is shown to be the principle by which motion transforms space into matter. The support of the universe is the absolute three-stage hierarchy of particles, atoms, and gravitational systems. Below 1/c waves are dissociated into strands and neutrinos are separated as points of charge. The electron and positron are single strands with opposed helical turns. Protons and neutrons have a nucleus of positrinos and negatrinos surrounded by concentric shells of strands in 2"~ resonance. The orbital strands reverberate into space creating a field with gravitational and electromagnetic aspects. The orbital system defines matter, energy, motion, and time based on composition. The three stages have a constant field content but differ by field density and components. 展开更多
关键词 orbital systems GRAVITY electromagnetism STRANDS NEUTRINOS positrino negatrino proton compositionspace matrix
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Stability of Motion "In the Large" of Some Class of Phase Systems
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作者 M.N.Kalimoldayev L.S.Kopbosyn A.A.Abdildayeva T.Duzbayev M.Akhmetzhanov 《Journal of Mathematics and System Science》 2015年第3期118-121,共4页
This article focuses on the study of stability of motion of the phase systems described by differential equations whose right-hand sides are periodic in the angular coordinate. The article deals with the mathematical ... This article focuses on the study of stability of motion of the phase systems described by differential equations whose right-hand sides are periodic in the angular coordinate. The article deals with the mathematical model which has been investigated for stability "in the large" using the second Lyapunov method. Based on the theoretical results obtained in the work,the computational experiments on concrete examples of electric power systems, which showedthe sufficient efficacy of the proposed method for the studied phase system, were conducted. 展开更多
关键词 Stability of motion "in the large" Lyapunov function phase system electric power system mathematical model.
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