Exergoeconomic analysis and optimization of wind power hybrid energy storage system by Caifeng Wen, Yalin Lyu, Qian Du, Boxin Zhang, Xuhui Lian, Qiang Wang, Hongliang Hao

“…It provides guidance for improving the power quality of wind power system, improving the exergy efficiency of thermal-electric hybrid energy storage wind power system and reducing the unit cost.…”
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Intelligent Controller Design and Fault Prediction Using Machine Learning Model by Kailash Kumar, Suyog Vinayak Pande, T. Ch. Anil Kumar, Parvesh Saini, Abhay Chaturvedi, Pundru Chandra Shaker Reddy, Krishna Bikram Shah

“…Transient stability issues in a contemporary electrical power system represent one of the difficult tasks for an electrical engineer due to the rise in uncertain renewable energy sources (RESs) as a result of the need for green energy. …”
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Embedded software security testing technology for relay protection devices by Wei DING, Jiaxiao MENG, Tao DAI, Huajun CHEN

“…As the first defensive line of power grid security,the right actions of delay protection devices can minimize the influence to the electric power system security caused by system or equipment failures.Based on the research of relay protection device inspection procedures and enterprise standard of electric power industry,the embedded software testing content and technologies of relay protection device were studied,including functional testing,performance testing and fault injection testing.This research contributes to the completeness and correctness of the embedded software testing about relay protection device.…”
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A method of SQL access logs pretreatment for power business system by Weiwei LI, Tao ZHANG, Yuanyuan MA, Cheng ZHOU

“…With the development of smart grid interactive,the database interaction between the information inside and outside is increasing.A method of SQL access log compression for power business system to respond to the demand of database security audit for the power system was designed in detail.This method can realize the compression of SQL access log and have the function of simple classification for SQL logs.The test results show that the method can achieve a large margin compression of SQL access logs and meet the requirements of log preprocessing for the database behavior audit of power business system.…”
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Multi-objective layered diagnosis model of electric power ICT network based on extenics by Li LI, Tiantian LUO, Yana ZHANG, Runze WU

“…Electric power ICT network is an important part of power system,which plays a vital role in the security,stability and economic operation of power network.A diagnostic index system of electric power ICT network was established and a multi-objective layered diagnosis model of electric power ICT network system based on extension rating was proposed.This evaluation method could not only evaluate the impact factors of the electric power ICT network,but also diagnose and rate the whole electric power ICT network.…”
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Ensuring the Reliability and Efficiency of the Power Industry in the Agricultural Sector of the Republic of Belarus in Modern Conditions by I. V. Protosovitskii, E. P. Zabello, M. A. Prishchepov, V. A. Daineko

“…It is noted that if the power system in outage of the generating source of the high power supply is provided by inputting the emergency reserve, then at emergency switching-off phase of the section of the mains, power supply of the consumers powered by the schemes for both radial and looped distribution network may be absent for a long period of time (several hours). …”
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Design and Motion Analysis of a Planetary Gear Type Power Coupling Device Used in HEV by Gao Aiyun, Tian Songwen

“…Based on the power system parameters of a certain type Hybrid Electric Vehicle（ HEV）,a planetary gear type power coupling device is designed for power transmission structure which can meet the requirement of power. …”
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Unified operation monitoring and security warning platform based on big data in energy group by Jing WANG, Kunlun GAO, Chaoyi BIAN, Xiao LIANG

“…With the increasing of information assets of energy group,in order to effectively cope with information security risks,using the big data and the intersecting confirmation mechanics of multi-source data,a monitoring and security warning platform was designed for information devices and application systems in energy group.By the global analysis of big multi-source data,the real-time awareness of risk and situation could be achieved,which was valuable for the progress of operation and management level of information system and timely warning of the spread of information risk to the power system.…”
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A Novel Inverter Topology for Single-Phase Transformerless PV System by Haiyan Cao

“…Transformerless photovoltaic (PV) power system is very promising due to its low cost, small size, and high efficiency. …”
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Dynamic Characteristic Testing Device and Experiment Analysis of Non-circular Gear by Liu Yongping, Xian Xilon, Wang Peng

“…According to its dynamic characteristics,a measurement scheme is put forward and the electric parts of its relevant power system,breaking system and detection system are selected,which are used for the putting up of the dynamic testing experimental platform of non- circular gear. …”
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SIMULATION OF QUASI-STATIONARY OPERATIONAL CONDITIONS OF INDUCTION GENERATOR OF WIND- ENERGY SYSTEM INSTALLATION by M. M. Oleshkevich, I. V. Makosko

“…The paper considers the wind-energy installation composed of induction generator which is integrated into large power system. Computer programmes based on mathematical models of wind motor, induction generator, step-up transformers, cable and open-air electric power lines have been elaborated with the purpose to investigate quasi-stationary operational conditions of the wind- energy installation. …”
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Energy of Unmanned Aerial Vehicle (UAV) Windmill (theory, streamlined airflow) by L. I. Grechikhin, D. A. Saharuk, A. B. Sivashko, A. A. Tsanava

“…A windmill theory as an open power system is resolved in the paper. The paper presents a mechanism of a frontal resistance and a thrust load of the operating windmill which is based on occurrence of an active environmental component and formulates the conditions under which any minimum resistance and maximum thrust load are realized. …”
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Programs for Optimization of Load Distribution between Power Plants and Calculation of Equivalent Energy Characteristics of Beryozovskaya GRES by V. I. Shcherbich, E. A. Shcherbich, V. A. Radchenko

“…The paper presents information on elaboration of algorithms and programs for intra-station optimization of load distribution between power plants and calculation of equivalent energy characteristics the Berezovskaya GRES which is one of the components of the system for optimum load distribution between thermal power plants (TPP) of the Belarusian power system. Description of the accepted technical concepts, algorithm and program structures, composition and methods for input-output data, organization of personnel work with programs of load optimization has been given in the paper.…”
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CONTROL OPTIMIZATION OF WIND UNIT WITH HELICOID VERTICALLY AXIAL WINDMILL AND SYNCHRONOUS MAGNETO-ELECTRIC GENERATOR by М. М. Oleshkevich, Y. V. Makosko

“…The paper considers a helicoid vertically axial windmill geared to synchronous magneto-electric generator which operates for a power system or an independent resistive load. In order to optimize operational modes of a wind power unit a mathematical model and software have been developed and a number of calculative experiments have been carried out. …”
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Les grandes familles druzes entre local et national by Cyril Roussel

“…Outcome of a long process of community and social development, the internal power structure of the Druze of the Jebel (Southern Syria) was initially created within an exclusive and homogeneous territory from a religious perspective, a place of retreat for the Druze community. This power system favours a number of dominant families and sometimes lasts several generations. …”
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Light block cipher algorithm for electric power industry by Tao WANG

“…With the development of computer technology,cryptographic algorithms were applied more and more widely in the field of information security.However,it has been a very important problem that how to achieve high performance,high security encryption algorithm and more convenient application in the software and hardware environment.In future grid environment,study of the electric power industry special lightweight block cipher algorithm can get rid of the actual state that only using general algorithm,also makes the information and the safety of the power system more self controlled.According to the electric power industry central business security requirements,the lightweight block cipher algorithm of special power of better performance,higher safety and more convenient application were realized.…”
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Optimization of Asynchronous Electric Generator Parameters in System Wind Power Installations by Yu. V. Makosko

“…The paper considers a wind power installation with asynchronous electric generator which is integrated in large power system. Mathematical model describing a wind motor, an asynchronous generator, step-up transformers, cable and open-air electric power lines has been used to obtain linear polynomials. …”
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Research on quantitative assessment model on vulnerability risk for information system by ZHOU Liang1, LI Jun-e2, LU Tian-bo3, LIU Kai-pei1

“…A quantitative method of vulnerability assessment was put forward on the foundation of research on current assessment methods home and abroad in order to evaluate vulnerability risk objectively.Vulnerability connection network（VCN） was discussed firstly for the purpose of taking connection of vulnerability into account,which divides vulnerabil-ity risk into entity risk and path risk;Secondly,advanced methods of quantifying entity importance in entity risk and network node connection effects in path risk were proposed;Lastly,an evaluation example of vulnerability risk on dis-patching management information system in power system was given out.Corresponding results show that quantitative assessment model brings out scientific and credible evaluation on vulnerability risk.…”
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La sociedad civil en la Polonia de los primeros años ochenta como factor de descomposición del régimen comunista by Ricardo Martín de la Guardia, José Luis Orella

“…The 1980s saw the gradual dissolution of the power system in Poland. Civil society seemed to emerge from its lethargy stimulated by a situation resulting from the impossibility of overcoming the economic crisis. …”
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Research on quantum key distribution technology in intelligent substation by Xiaopeng YANG, Haitao CHEN, Lichen MEI, Pengzhan WANG

“…In order to improve the security of the communication data of the power system,the feasibility of the application of quantum key distribution technology in the monitoring system of the intelligent substation was analyzed and demonstrated by combining the state of quantum key distribution technology and intelligent substation monitoring system.The technical scheme,intelligent substation monitoring system combined with quantum key distribution was put forward.On the premise of using the existing power communication system framework,the networking idea of intelligent substation monitoring system and quantum key distribution technology was presented,which was“quantum key + power vertical encryption authentication gateway”.And the network scheme was verified and analyzed,which proved the stability and feasibility of the networking scheme in practical application.Therefore,no need to adjust the existing communication network framework,the application scheme can be realized on a large scale.…”
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