检索结果-内蒙古大学图书馆

您好，读者！请登录

内蒙古大学图书馆

首页
概况
党建
资源
服务
科研支持
- 论文收录引用证明
- 科技查新
知识产权
档案馆
帮助

咨询与建议

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

您的常用邮箱：*

您的手机号码：*

问题描述：

当前已输入0个字，您还可以输入200个字

全部搜索
期刊论文
图书
学位论文
标准
纸本馆藏
外文资源发现
数据库导航
超星发现

高级检索

时间限定

出版年份：

文献类型

图书期刊文献学位论文多媒体

馆藏选择

电子馆藏纸本馆藏

核心期刊

全部期刊 SCI 收录期刊 SSCI 收录期刊 EI 收录期刊 CSCD 收录期刊 CSSCI 收录期刊

语言

中文英文

文献类型

期刊文献图书学位论文标准纸本馆藏

帮助

文字说明：

T=题名（书名、题名），A=作者（责任者），K=主题词，P=出版物名称，PU=出版社名称，O=机构（作者单位、学位授予单位、专利申请人），L=中图分类号，C=学科分类号，U=全部字段，Y=年（出版发行年、学位年度、标准发布年）

检索规则说明：

AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：

范例一：(K=图书馆学 OR K=情报学) AND A=范并思 AND Y=1982-2016
范例二：P=计算机应用与软件 AND (U=C++ OR U=Basic) NOT K=Visual AND Y=2011-2016

分类表

所选分类

>> <<

限定检索结果

文献类型

481 篇 会议
60 篇 期刊文献
1 册 图书

馆藏范围

542 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

282 篇 工学
- 230 篇 电气工程
- 100 篇 计算机科学与技术...
- 96 篇 电子科学与技术（可...
- 77 篇 软件工程
- 71 篇 控制科学与工程
- 63 篇 动力工程及工程热...
- 21 篇 仪器科学与技术
- 20 篇 网络空间安全
- 18 篇 机械工程
- 17 篇 信息与通信工程
- 12 篇 安全科学与工程
- 11 篇 土木工程
- 10 篇 力学（可授工学、理...
- 7 篇 材料科学与工程（可...
- 7 篇 建筑学
- 6 篇 化学工程与技术
- 4 篇 水利工程
- 3 篇 光学工程
- 3 篇 环境科学与工程（可...
157 篇 理学
- 108 篇 数学
- 65 篇 物理学
- 28 篇 统计学（可授理学、...
- 17 篇 系统科学
- 9 篇 地球物理学
- 3 篇 化学
40 篇 管理学
- 37 篇 管理科学与工程(可...
- 15 篇 工商管理
- 3 篇 图书情报与档案管...
10 篇 经济学
- 10 篇 应用经济学
7 篇 法学
- 7 篇 社会学
2 篇 医学

主题

54 篇 power system dyn...
48 篇 control systems
42 篇 voltage control
40 篇 power system mod...
39 篇 voltage
37 篇 power system rel...
37 篇 power quality
36 篇 power system pro...
34 篇 mathematical mod...
32 篇 power generation
30 篇 power systems
29 篇 power system tra...
28 篇 power system sta...
24 篇 power system sim...
24 篇 voltage fluctuat...
23 篇 reactive power
23 篇 power system sec...
22 篇 power system har...
21 篇 inverters
20 篇 power system ana...

机构

80 篇 key laboratory o...
80 篇 key laboratory o...
61 篇 key laboratory o...
46 篇 key laboratory o...
33 篇 key laboratory o...
32 篇 ieee
21 篇 key laboratory o...
19 篇 key laboratory o...
17 篇 key laboratory o...
17 篇 key laboratory o...
11 篇 key laboratory o...
8 篇 north china elec...
7 篇 department of el...
6 篇 key laboratory o...
6 篇 department of el...
6 篇 key laboratory o...
6 篇 key laboratory o...
6 篇 department of el...
5 篇 school of electr...
5 篇 key laboratory o...

作者

64 篇 gengyin li
53 篇 ming zhou
37 篇 chengyong zhao
27 篇 li gengyin
22 篇 zengping wang
21 篇 xiangning xiao
21 篇 wang zengping
21 篇 zhou ming
19 篇 xiao xiangning
18 篇 zhongdong yin
17 篇 tianshu bi
15 篇 ma jin
15 篇 zhao chengyong
14 篇 jianhua zhang
13 篇 wei wang
13 篇 jing ma
13 篇 ma jing
13 篇 he renmu
12 篇 peng li
12 篇 ming yin

语言

485 篇 英文
57 篇 中文

检索条件"机构=Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under MOE"

共 542 条记录，以下是211-220 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

A Novel MPPT control Algorithm Based on Numerical Calculation for PV Generation systems

A Novel MPPT Control Algorithm Based on Numerical Calculatio...

引用

第六届IEEE国际电力电子与运动控制会议 (2009 IEEE 6th International power Electronics and Motion control Conference-ECCE Asia

作者： Jing Hu Jiancheng Zhang Hongbo Wu Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control (North China Electric Power University) Baoding071003 China

In the future solar energy will be very important energy source. It is noticeable that the output characteristics of a PV array are influenced by the environment factors, and the conversion efficiency of PV arrays is very low. Therefore a Maximum power Point Tracking (MPPT) technique is needed to draw peak power from the solar array in order to maximize the produced energy. This paper introduces a novel MPPT control algorithm for photovoltaic (PV) power generation systems. The proposed algorithm based on numerical calculation is able to perform MPPT with only one step by quadratic interpolation. And a constant voltage tracking (CVT) startup is used in the MPPT method to enhance the accuracy and the speediness. The rationality and the feasibility of the algorithm developed in this paper are verified by building simulation model using MATLAB SIMULINK tool. The results indicate that the proposed approach can effectively improve the MPPT speed and accuracy simultaneously.

关键词： control systems Solar power generation Photovoltaic systems Voltage power generation Solar energy Atmospheric modeling Mathematical model Costs Temperature

来源：评论

学校读者我要写书评

暂无评论

Research on a Novel Series-Connected Voltage Fluctuation Generator

Research on a Novel Series-Connected Voltage Fluctuation Gen...

引用

International Conference on Energy and Environment Technology (ICEET)

作者： Renzhong Shan Zhongdong Yin Xiangning Xiao Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University China

A novel voltage fluctuation and flicker generating main circuit topology is proposed in this paper, combined with passive and active to realize voltage fluctuation and flicker. The fundamental frequency power is supplied by system source and the other frequency fluctuation power is supplied by active components, so the capacitor of generator is easy to realize larger because of lower active loss. Full-bridge diode rectifier is adopted to maintain the stable DC-bus voltage, the later inverter is controlled by instantaneous value voltage and current double closed-loop to make sure good static and dynamic performance. The inverter output two frequency voltage waveforms, and added to fundamental frequency sinusoidal voltage waveform by transformer so that the typical sinusoidal modulation voltage fluctuation and flicker waveform is obtained. The simulation model is set up on the platform of Matlab/Simulink. Finally, the simulation and experimental results show that the proposed main circuit and control strategy is feasible and efficient.

关键词： Voltage fluctuations Frequency power supplies Inverters Circuit simulation Circuit topology Capacitors power generation Diodes Rectifiers

来源：评论

学校读者我要写书评

暂无评论

A New dynamic Voltage-Var Compensator Based on SVPWM

A New Dynamic Voltage-Var Compensator Based on SVPWM

引用

International Conference on Energy and Environment Technology (ICEET)

作者： Tao Huang Zhongdong Yin Renzhong Shan Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China

In this paper, a new dynamic voltage-var compensator is introduced, compared to the traditional SVC, the new voltage source of continuous two-way adjustable SVC has significant advantages. This paper has introduced the fundamental of the SVPWM; SVPWM control technology is an optimized PWM control technology, compared with the traditional PWM technology, SVPWM with a high utilizationrate, less harmonic control simple, easy-to-digital realization of the advantages. The simulink is used to simulation and analysis. The simulation results show this SVC has its own advantage. It can regulate the voltage smoothly and continually.

关键词： Space vector pulse width modulation Switches Voltage control Reactive power control Static VAr compensators Reactive power power system harmonics Pulse width modulation inverters Inductors Capacitors

来源：评论

学校读者我要写书评

暂无评论

A protection scheme of transmission line based on nature frequency

A protection scheme of transmission line based on nature fre...

引用

International Conference on Sustainable power Generation and Supply, SUPERGEN

作者： X. G. Wang S. F. Huang Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China

ISBN: (纸本)9781424449347

This paper proposes a protection scheme for transmission lines based on nature frequency of fault-generated travelling wave. The fault component of current signals are first computed and decoupled into their modal components, and then the mode spectrums are computed by FFT to extra the fundamental frequency of nature frequencies, through comparing the fundamental frequency at both ends of lines to identify internal and external faults. The scheme operates rapidly, reliably and is immune to CT saturation, operation mode and transient resistance; it can endure the influences of various fault inception angles, fault location, The performance of scheme is investigated for various faults on a typical Electro-Magnetic Transient Program/Alternative Transients Program (EMTP/ATP) simulated transmission feeder.

关键词： protection Transmission lines Frequency power system transients Signal processing Fault diagnosis Fault currents Circuit faults Fault location EMTP

来源：评论

学校读者我要写书评

暂无评论

Characteristic Analysis of UHV Secondary Arc Current under Different power Transmission

Characteristic Analysis of UHV Secondary Arc Current under D...

引用

IEEE PES Asia-Pacific power and Energy Engineering Conference (APPEEC)

作者： Lixia Zhou Huiyuan Zhang Jun Wen Xiangning Xiao Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China

Along with the enhancement of voltage level, harmful affect of the secondary arc current to the system becomes more and more serious. The transmission power of the lines is one of factors that influence the secondary arc current obviously. The voltage distribution along the transmission line will changes according to the different transmission power, which will lead to the variation of the induction component from the sound phases when the fault occurs. In this paper, the quadric-mode transformation is adopted to establish the mathematic model of secondary arc current in the double-circuit transmission line. According to the variation of power transmission, the secondary arc current of different fault point is calculated. The results indicate that secondary arc current is influenced much by the line transmission power, and the variation trend changes along with the fault point. When the fault occurs in head or terminal of the line, the secondary arc current may becomes larger along with the increasing of the transmission power, thus effective suppress measurements must be taken.

关键词： power transmission Voltage power transmission lines Mathematical model Poles and towers Capacitors Electromagnetic coupling Laboratories power system protection power system dynamics

来源：评论

学校读者我要写书评

暂无评论

Study on Fault Diagnosis for power Transformer Based on Cloud Matter Element Analysis Principle and DGA

Study on Fault Diagnosis for Power Transformer Based on Clou...

引用

第九届电介质材料性能与应用国际会议(The 9th International Conference on Properties and Applications of Dielectric Materials)

作者： Li PENG Fang-cheng L(U) Ning-yuan LI Hua-ping HUANG Qing XIE Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control (North China Electric Power University) Ministry of Education Baoding 071003

ISBN: (纸本)9781424443673

Dissolved gas-in-oil analysis (DGA) is an important method to find the hidden or incipient insulation faults of oil-immersed power transformer. Matter element theory was employed to research the fault diagnosis of transformer with qualitative and quantity advantages. However, the method did not consider the uncertain essence of the fault diagnosis of transformer. And in the fact, there were two uncertain characteristic in it, random and fuzzy. Hence a new fault diagnosis method is presented in this paper. The method has two advantages of considering two uncertain characteristic and realizing fault diagnosis qualitatively and quantitatively based on cloud model and matter element theory. By building the cloud matter element models of transformer fault diagnosis and calculating the correlation function of feature matter element models and standard ones, fault modes of transformer are identified effectively. Then, the results of examples research indicate the method is effective.

关键词： power transformer DGA Cloud model Cloud matter element analysis principle Fault diagnosis

来源：评论

学校读者我要写书评

暂无评论

Study on controllable reactor magnetic structure and loss based on ANSYS

Study on controllable reactor magnetic structure and loss ba...

引用

IEEE Conference on Industrial Electronics and Applications (ICIEA)

作者： Z.Q. Wang Z.D. Yin L.X. Zhou Z.J. Wang L.R. Ma Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China

ISBN: (纸本)9781424427994

controllable reactor is an important voltage control and reactive power compensation device in power system which is wide range voltage application, high reliability, low harmonic and simple maintenance, etc. The reactor iron core magnetic field distribution directly affects the reactor's loss and other properties. In this paper, aiming at six kinds of typical controllable reactor core structure, magnetic field is analyzed in theory and then the core magnetic field distribution analysis are compared for the first time by model building in the finite element analysis software ANSYS and imposing different exciting currents. Moreover, six kinds of core structure's loss are compared by the use of the ANSYS inner set loss algorithm and the influence of excitation on the loss for a particular core is verified. The analysis results indicate that finite element analysis software can effectively analyze and compare the magnetic field distribution and the loss for different kinds of reactor core structure.

关键词： Inductors Magnetic losses Magnetic cores Magnetic analysis power system reliability Magnetic fields Voltage control power system harmonics Finite element methods control systems

来源：评论

学校读者我要写书评

暂无评论

Effect of Wind Farm Based-on Wound Rotor Induction Generator on Transient Characteristics of Transmission Grid

Effect of Wind Farm Based-on Wound Rotor Induction Generator...

引用

IEEE PES Asia-Pacific power and Energy Engineering Conference (APPEEC)

作者： Li Lin Feng Sun Yi-Han Yang Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education North China Electric Power University Beijing China

With rapid development of wind power generation, large capacity wind farms are connected into the transmission system. Comparing with traditional power plant, the transient characteristics of transmission grid including wind farm are worthy investigating. The wind farm based-on wound rotor induction generators (WRIGs) shares high market occupancy in China, but academic researches on this grid-connected wind generation are few. So in this paper, the transient characteristics of the power system, adding a WRIGs wind farm and adding a traditional power plant, are compared. Effect of a WRIGs wind farm on transient performances of transmission grid is discussed. And the control effect on transient stability, when the WRIGs wind farm participating in system control during system fault, is investigated. Finally, simulation results are validated by using CIGREB4-39 grid. It is concluded that the transient performance of WRIGs wind farm is better than that of traditional power plant.

关键词： Wind farms Wounds Rotors Induction generators power system transients power generation power system stability control systems Wind power generation Mesh generation

来源：评论

学校读者我要写书评

暂无评论

Research on a Novel dynamic Voltage Quality Regulator in Medium Voltage

Research on a Novel Dynamic Voltage Quality Regulator in Med...

引用

International Conference on Energy and Environment Technology (ICEET)

作者： Yajing Di Zhongdong Yin Xiangning Xiao Renzhong Shan Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China

In accordance with the familiar power quality problem, such as voltage sag, flicker, harmonic suppression and short circuit fault, this paper designed a novel series voltage quality regulator in medium voltage for the multiple objective control basing on the cascaded multilevel H-bridge method, and analysis its working principle in detail. A Short-circuit current limiter is designed in this paper, the control strategy multiple objective control is proposed as well. The simulation model is established by PSCAD/EMTDC. Finally, the rationality of the main circuit topology design is tested through low-voltage experiment. The simulation result and the text show that the design of voltage regulator and the control strategy this paper proposed can compensate the voltage feasibly and efficiently.

关键词： Regulators Medium voltage Voltage fluctuations Voltage control Circuit simulation Circuit testing power quality Harmonics suppression Circuit faults Harmonic analysis

来源：评论

学校读者我要写书评

暂无评论

Vulnerability assessment for communication network of Substation Automation systems to cyber attack

Vulnerability assessment for communication network of Substa...

引用

IEEE PES power systems Conference and Exposition, PSCE

作者： Nian Liu Jianhua Zhang Hao Zhang Wenxia Liu Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Under Ministry of Education North China Electric Power University Beijing China Automation and information security North China Electric Power University China

The Substation Automation system (SAS) is a crucial element of power system control. The devices of SAS with remote-control functions are one of the main target of cyber attack. The vulnerability assessment for communication network of SASs that supporting the analysis of control process, is an unsolved problem. Combined with the characteristics of SAS and the vulnerability assessment of the distributed systems, a vulnerability assessment method for communication nework of SASs to cyber attack is proposed. The substation communication system has been classified into six basic models used to construct vulnerability state graph (VSG). The vulnerability of single action is defined based on exponential distribution function including parameters called vulnerability factor and equivalent attacking cost, and then the vulnerability value of target systems are calculated by four connection types of VSG. Furthermore, a vulnerability factor quantity method based on AHP-TOPSIS is designed. An evaluation instance is constructed from IEC 61850 standard, the proposed method is applicable to evaluate the vulnerability of communication network of SASs.

关键词： Communication networks Substation automation Synthetic aperture sonar IEC standards power system control Automatic control Process control Communication system control Exponential distribution Cost function

来源：评论

学校读者我要写书评

暂无评论

没有更多数据了...

全选清除本页清除全部题录导出标记到“检索档案”

共55页 << < 18 19 20 21 22 23 24 25 26 27 > >>

检索报告对象比较合并检索0

隐藏清空

合并搜索

回到顶部

执行限定条件

内容：

评分：

请选择保存的检索档案：

请选择收藏分类：

订阅名称：

通借通还

温馨提示：

图书名称：

借书校区：

取书校区：

手机号码：

邮箱地址：

一卡通帐号：

电话和邮箱必须正确填写，我们会与您联系确认。

联系人：

所在院系：

联系邮箱：

联系电话：

内蒙古自治区呼和浩特市赛罕区大学西街235号邮编: 010021

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：