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

308 篇 会议
23 篇 期刊文献

馆藏范围

331 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

178 篇 工学
- 147 篇 电气工程
- 81 篇 电子科学与技术（可...
- 65 篇 动力工程及工程热...
- 51 篇 控制科学与工程
- 40 篇 计算机科学与技术...
- 33 篇 石油与天然气工程
- 28 篇 软件工程
- 23 篇 环境科学与工程（可...
- 21 篇 化学工程与技术
- 19 篇 机械工程
- 19 篇 安全科学与工程
- 15 篇 交通运输工程
- 14 篇 仪器科学与技术
- 12 篇 材料科学与工程（可...
- 10 篇 信息与通信工程
- 8 篇 力学（可授工学、理...
- 8 篇 建筑学
- 6 篇 冶金工程
- 6 篇 土木工程
- 3 篇 光学工程
100 篇 理学
- 47 篇 数学
- 47 篇 物理学
- 30 篇 化学
- 10 篇 系统科学
- 6 篇 统计学（可授理学、...
- 2 篇 大气科学
22 篇 管理学
- 20 篇 管理科学与工程(可...
- 5 篇 工商管理
3 篇 经济学
- 3 篇 应用经济学
1 篇 法学

主题

19 篇 hvdc transmissio...
15 篇 simulation
14 篇 voltage
14 篇 topology
13 篇 wind power gener...
13 篇 power system sta...
12 篇 voltage control
11 篇 stability analys...
11 篇 reactive power
10 篇 capacitors
8 篇 valves
8 篇 wind turbines
8 篇 analytical model...
7 篇 capacitance
7 篇 wind farms
7 篇 renewable energy...
7 篇 hvdc power trans...
6 篇 transient analys...
6 篇 optimization
6 篇 bridge circuits

机构

47 篇 state key labora...
37 篇 state key labora...
28 篇 state key labora...
28 篇 state grid smart...
20 篇 state grid smart...
10 篇 beijing institut...
8 篇 state grid key l...
8 篇 key laboratory o...
8 篇 state grid corpo...
8 篇 state grid smart...
7 篇 north china elec...
7 篇 beijing key labo...
6 篇 electric power r...
6 篇 state key labora...
6 篇 state key labora...
5 篇 school of electr...
5 篇 state key labora...
5 篇 state grid chong...
5 篇 state key labora...
5 篇 state grid shang...

作者

16 篇 kou longze
13 篇 gu huaiguang
13 篇 dong liu
13 篇 guoliang zhao
12 篇 longze kou
11 篇 zhu lin
11 篇 zhang chong
10 篇 huaiguang gu
10 篇 yunfei xu
9 篇 xu yunfei
9 篇 liu dong
9 篇 jiapei zhou
9 篇 li fangyuan
8 篇 yang gao
8 篇 lin zhiguang
8 篇 xiaoguang wei
8 篇 zhao guoliang
8 篇 zhou jiapei
7 篇 lin zhu
7 篇 xing zhaoliang

语言

320 篇 英文
10 篇 其他
1 篇 中文

检索条件"机构=Beijing Key Laboratory of DC Grid Technology & Simulation State Grid Smart Grid"

共 331 条记录，以下是171-180 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：

The Simultaneous Improvement of Energy Storage Density and Self-Healing Property of Metallized Film

The Simultaneous Improvement of Energy Storage Density and S...

引用

International Conference on Properties and Applications of Properties and Applications of Dielectric Materials

作者： Ting Zhang Lu Cheng Di Hu Xinghui Zhang Zhaoliang Xing Hui Li Shaowei Guo Wenfeng Liu State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University Xi'an China State Grid Anhui Electric Power Research Institute Hefei China State Grid Corporation of China Beijing China State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd. Beijing China

ISBN: (数字)9798350374605

ISBN: (纸本)9798350386165

In the present study, to improve the energy storage density and the self-healing property simultaneously, the double layer structure metalized film with the polyvinyl alcohol (PVA) coated on BOPP was proposed. With the increasing thickness of the PVA layer, the dielectric constant was raised, and the dc breakdown strength of the PP/PVA films first rising and then decreasing. Besides, the breakdown strength showed polarity dependence, and thus the highest breakdown strength 727.9 kV/mm was achieved with the PVA thickness of 2 μm, and the positive voltage applied on the PP side. The highest energy storage density of 5.97 J/cm 3 was obtained that was 63.56% higher than the neat PP film. Moreover, the self-healing energy and the equivalent conductivity decreased as the thickness of PVA went up, corresponding to the reduced capacitance loss and the suppressed temperature-rise of metalized film capacitor. The improvement of energy storage density and the self-healing properties were originated from the interface of PP and PVA layer and the optimized ingredients of the lower ratio of $\mathbf{C}/(\mathbf{H}+\mathbf{O})$ . The present study provides the new orientation for the development of dielectric material for metalized film capacitors.

关键词： Breakdown voltage Dielectric constant Electric breakdown Dielectric materials Capacitors Dielectric losses Conductivity Capacitance Energy storage

来源：评论

学校读者我要写书评

暂无评论

Dynamic performance of Controllable Line-Commutated Converter (CLCC) in HVdc systems with weak sending end AC network

Dynamic performance of Controllable Line-Commutated Converte...

引用

China International Electrical and Energy Conference (CIEEC)

作者： Jun Yang Chong Gao Zhiyuan He Dongshan He Jing Zhang State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd. Beijing China

Both the sending end and the receiving end AC network of long distance HVdc systems are getting weaker and weaker, with fast growing renewable energy penetration under “dual carbon” scenario. The inherent defect of HVdc-commutation failure has become a more prominent problem. The Controllable Line-Commutated Converter (CLCC) raised recently has been proved to be effective to eliminate commutation failure. This paper aims to discuss the dynamic performance of CLCC in HVdc systems with weak sending end AC network. Firstly, the circuit topology and operation principle of CLCC are introduced. Then the dynamic performance of CLCC is theoretically analyzed. Finally, the dynamic performance of the proposed method is validated by simulation on the developed 500kV/1.2kA CLCC HVdc model in PSCAD/EMTdc. And the result shows that compared with LCC-HVdc system, CLCC-HVdc can significantly reduce the impact of active power and reactive power fluctuation imposed on the sending end AC network during the AC fault at the receiving end and greatly improve the stability of the electric power system.

关键词：

来源：评论

学校读者我要写书评

暂无评论

A Novel Operating Condition simulation Test Circuit Topology for Saturable Reactors in UHVdc Converter Valves

A Novel Operating Condition Simulation Test Circuit Topology...

引用

smart grid and Energy Engineering (SGEE), International Conference on

作者： Chong Gao Tingting Li Jun Yang Xiaoguang Wei Chenghao Wang Xiaolong Zhang State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd. Beijing China Beijing Institute of Smart Energy Beijing China

Existing converter valve testing methods cannot fully simulate the impact of the turn-on and turn-off of single valves of other bridge arms belonging to the same six-pulse converter. The voltages caused by the turn-on and turn-off processes of the converter valve are different, and existing testing methods cannot provide such voltage waveforms. To solve these two problems, this paper proposes a saturable reactor test circuit topology and a control sequence. A saturable reactor operating condition simulation test platform is established. The simulation and experimental results indicate the effectiveness of the proposed test circuit topology and testing method.

关键词：

来源：评论

学校读者我要写书评

暂无评论

simulation study of parallel capacitance of vacuum circuit breaker

Simulation study of parallel capacitance of vacuum circuit b...

引用

Energy, Power and Electrical Engineering (EPEE), International Conference on

作者： Zhe Yuan Yuan Liu Wandi Zhou Min Ding Kai Gao Pei Cao State Key Laboratory of Advanced Power Transmission Technology(State Grid Smart Grid Research Institute CO. LTD) Beijing Key Laboratory of High Power Electronics(China Electric Power Research Institute CO. LTD) Beijing China State Grid Shanghai Municipal Electric Power Company Shanghai China

ISBN: (数字)9798331518066

ISBN: (纸本)9798331518073

The dc power system is a promising solution for the power system of the future due to its advantages in renewable energy and improved grid stability. The dc circuit breaker based on the vacuum interrupter is one of the most important devices in the dc power system. However, it is difficult for vacuum circuit breakers to recover dielectric in the process of interrupting high-frequency and high-current, so it is proposed to connect capacitors in parallel at both ends of the vacuum fracture. In order to study the influence of shunt capacitors on the ability of vacuum circuit breakers to break current, a related experimental circuit is designed. In addition, the effects of shunt capacitance and stray inductance on the rate of change of the reverse voltage are compared horizontally, and the optimal circuit parameters are obtained. It lays a foundation for further research on the vacuum breaking process in the future and improving the reliability of circuit breakers in breaking high frequency and high current.

关键词： Shunts (electrical) Inductance Vacuum systems Circuit breakers Capacitors Power system stability Capacitance Stability analysis Dielectrics Transient analysis

来源：评论

学校读者我要写书评

暂无评论

Construction and Commissioning of Newgeneration Renewable Energy Power System Based on Multi-port Energy Router

Construction and Commissioning of Newgeneration Renewable En...

引用

International Conference on Electrical Machines and Systems (ICEMS)

作者： Ping Xiong Yiqun Kang Dan Liu Fan Xiao Kezheng Jiang Bingjian Yang State Grid Hubei Electric Research Institute Wuhan China State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd Beijing China

By connecting a new type of multi-port energy router in parallel with the tie line between two substations, this paper isolates the regional grid from the main grid. A multi-scenario energy interconnection system is built and three operation modes are introduced: grid-parallel operation, MMC-VSC operation, and off-grid operation modes. Firstly, the topology, secondary system architecture, operation modes and control strategies of multi-port energy router are studied. Secondly, the influencing factors on the smooth implementation of operation modes switching for the energy interconnection system have been examined. Logic of operation modes switching of the energy interconnection system are accordingly proposed. Finally, the simulation results and filed tests show that under the action of the proposed mode switching logic, the system can operate normally at the moment of grid-parallel operation, MMC-VSC operation and both switching times.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Thermal Field simulation of High Voltage Shunt Capacitor Based on Electrothermal Coupling in Harmonic Environment

Thermal Field Simulation of High Voltage Shunt Capacitor Bas...

引用

China International Electrical and Energy Conference (CIEEC)

作者： Zhaoliang Xing Shaowei Guo Qiming Sun Chong Zhang Jianjun Zhang YU Han Yong Yu Lingyu Zhu Grid Smart Grid Research Institute Co. Ltd. State Key Laboratory of Advanced Power Transmission Technology Beijing China State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University Xi’ an China State Grid Tangshan Power Supply Company Tangshan China

ISBN: (数字)9798350359558

ISBN: (纸本)9798350359565

The high voltage shunt capacitor is rated to work at power frequency voltage and current. Due to the existence of harmonic current in power system, the temperature rise of the high voltage shunt capacitor is different from the power frequency condition during stable operation. In order to study the heating characteristics of high voltage shunt capacitors under harmonic conditions, this paper constructs a series equivalent model of high voltage shunt capacitors considering the influence of frequency, and proposes the construction method of solving the electric and thermal field models of capacitors under harmonic conditions. According to the series model, the internal heat source distribution of capacitors is refined, and a full equivalent simulation model of the capacitor thermal field based on electrothermal coupling is built. The simulation model can calculate the capacitor temperature distribution under various current excitation conditions. The heating characteristics of capacitor under power frequency current, single harmonic current and power frequency superimposed single harmonic excitation are simulated and analyzed, and the influence of harmonic on the heating characteristics of capacitor is summarized.

关键词： Couplings Resistance Shunts (electrical) Capacitors Dielectric losses High-voltage techniques Voltage

来源：评论

学校读者我要写书评

暂无评论

Modeling and simulation Method of Multi-element Electric Hydrogen Fusion System

Modeling and Simulation Method of Multi-element Electric Hyd...

引用

IEEE Conference on Energy Internet and Energy System Integration (EI2)

作者： Huaiguang Gu Jiapei Zhou Jin Li Dong Liu Danxi Liang Ji Li State Key Laboratory of Advanced Transmission Technology Beijing China Beijing Key Laboratory of DC Power Grid Technology and Simulation Beijing China China Electric Power Research Institute Co. Ltd. Beijing China Electric Power Research Institute of State Grid Xinjiang Electric Power Co. Ltd. Urumqi

ISBN: (数字)9798331523527

ISBN: (纸本)9798331523534

The comprehensive modeling and simulation method of multi-element electric hydrogen fusion system, are proposed in this paper. The corresponding control strategy for all the power electronic converters are designed to adapt the condition of power fluctuation and bi-directional energy flow. The typical energy and power flow mode of the system and the efficiency of the hydrogen production component are analyzed, which can be applied for the preliminary planning and design for this sort of integrated offshore clean energy system.

关键词： Green energy Adaptation models Hydrogen storage Hydrogen Production System integration Wind turbines Planning Transient analysis Load modeling

来源：评论

学校读者我要写书评

暂无评论

A Fault Ride-Through Method Based on Energy Dissipation Device in the Scenario of Flexible HVdc grid Connection of Offshore Wind Power

A Fault Ride-Through Method Based on Energy Dissipation Devi...

引用

Electrical Engineering and Control Technologies (CEECT), Conference on

作者： Xifang Huang Yu Wang Jing Ge Chengbin Chi Fusuo Liu Stability Technology Branch Company NARI Group Corporation State Grid Electric Power Research Institute Nanjing China Beijing Key Laboratory of DC Grid Technology and Simulation State Grid Smart Grid Research Institute Co. Ltd Beijing China State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd Beijing China

ISBN: (纸本)9781665499002

The flexible HVdc transmission technology based on the modular multilevel converter (MMC) topology has a very broad application prospect in the process of large-scale renewable energy collection and transmission. This technology has become one of the best choices for long-distance offshore wind power farms to connect to the onshore power grid. In view of the special working conditions such as overvoltage in the fault state, this article proposes a controllable large-capacity self-recovery energy-dissipation device for the first time to improve the transient characteristics of the dc and AC power system. The proposed scheme has the advantages of no harmonic generation during operation, relatively simple control strategy and high current impact resistance. The electromagnetic transient simulation shows that the proposed scheme can effectively solve the overvoltage problem of dc in the offshore wind power flexible HVdc system, and improve the reliability of the HVdc system.

关键词： Arresters HVdc transmission Energy dissipation Wind power generation Power system reliability Topology Reliability

来源：评论

学校读者我要写书评

暂无评论

Capacitor Voltage Balancing Strategy Based on Zero-Sequence Voltage Injection for Half-Wave Commutated Modular Multilevel Converter

Capacitor Voltage Balancing Strategy Based on Zero-Sequence ...

引用

International Conference on Power Electronics and Motion Control (IPEMC)

作者： Nan Fu Bao Liu Yunfei Xu Sitong Zhu Kui Wang Yongdong Li Department of Electrical Engineering State Key Laboratory of Control and Simulation of Power System and Generation Equipment Tsinghua University Beijing China State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd Changping Beijing China Electric Power Research Institute of State Grid Liaoning Electric Power Co. Ltd. Shenyang China

ISBN: (数字)9798350351330

ISBN: (纸本)9798350351347

Half-wave commutated modular multilevel converter (HWC-MMC) is suitable for high-voltage large-capacity AC-AC conversion, and an appropriate capacitor voltage balancing strategy is essential. This paper analyzes the condition of capacitor voltage balancing and proposes a capacitor voltage balancing strategy based on optimal zero-sequence voltage injection using the model predictive control. Finally, the simulation is carried out to verify the proposed strategy.

关键词： Multilevel converters Voltage fluctuations Capacitors High-voltage techniques Power system harmonics Power electronics Steady-state

来源：评论

学校读者我要写书评

暂无评论

A Novel Control Method for MMCs Connected to the AC System

A Novel Control Method for MMCs Connected to the AC System

引用

IEEE Asia Power and Energy Engineering Conference (APEEC)

作者： Feng Ji Chang Lin Caoyang Jia Lu Gao Heming Yan Xiangyu Pei State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. LTD Beijing China School of Electrical & Information Engineering Changsha University of Science & Technology Changsha China

ISBN: (数字)9798350373479

ISBN: (纸本)9798350373486

The modular multilevel converter based high voltage direct current (MMC-HVdc) technology has the advantages of independent control of active and reactive power, fast and flexible response, and strong expansibility. It is widely used in wind power transmission, power grid interconnection, passive network power supply and long-distance large-capacity transmission. The control method of MMC is one of the key factors affecting the operation performance of transmission system. Therefore, the control method of converter station in VSC-HVdc system is studied. A new perspective of H-MMC is introduced to reconstruct the traditional MMC topology, and the 'u dc + i ac ' control method suitable for MMC is proposed to realize the high-precision control of MMC arm current. Therefore, this paper summarizes the topology and working principle of traditional MMC and MMC from a new perspective. Then, a 'u dc + i ac ' control method suitable for MMCs connected to the AC system is proposed, and the feasibility and applicability of the proposed method are verified by modeling and simulating on PSCAD/EMTdc platform.

关键词： Current control Passive networks Reactive power Power supplies Network topology Wind power generation Power grids

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34页 << < 14 15 16 17 18 19 20 21 22 23 > >>

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：