搜索结果: 1-15 共查到“工学 power system”相关记录16条 . 查询时间(0.093 秒)
Estimation of faults in DC electrical power system
Dc power system fault the fault change circuits sensors electric circuit the linear model
2015/8/7
This paper demonstrates a novel optimization-based approach to estimating fault states in a DC power system. The model includes faults changing the circuit topology along with sensor faults. Our appro...
Renewable energy critical for competitive Australian power system
Renewable energy power system
2014/7/11
An immediate investment in multiple energy technologies is vital for meeting carbon abatement targets and building a robust power system, a new study from the Global Change Institute at The University...
Power System Protection。
A robust method for state estimation of power system with UPFC
RLS method State estimation UPFC Power system states estimator
2010/10/12
This paper presents a Least Absolute Value (LAV) state estimator for power system using a new method called Recursive Least Squares (RLS). Also, a suitable model is used for state estimation of power ...
Hierarchical fuzzy controller applied to multi-input power system stabilizer
Power system stabilizer (PSS) hierarchical fuzzy system (HFS) inter-area oscillation fuzzy logic controllers damping
2010/10/12
This paper proposes the application of a hierarchical fuzzy system (HFS) based on multi-input power system stabilizer (MPSS) in multi-machine environment. The number of rules increases exponentially w...
Effect of transformer on stochastic estimation of voltage sag due to faults in the power system: a PSCAD/EMTDC simulation
Faults voltage sag type of transformer PSCAD/EMTDC uniform fault distribution number of sags
2010/10/12
Voltage sags in the electric power system are mostly due to faults in the power system. Voltage sag is characterized by its magnitude (the retained voltage), phase-angle jump, unbalance in the sag in ...
MODELLING CO2 EMISSIONS IMPACTS ON CROATIAN POWER SYSTEM
power system planning optimization generation expansion
2010/12/2
Today's electrical energy landscape is characterized by new challenges such as deregulation, liberalization of energy markets, increased competition, growing demands on security of supply, price insec...
风电场接入电网后的电能质量问题分析（Power Quality Analysis with the Wind Farm Integrating in Power System）
风力发电 电能质量 闪变 谐波
2010/8/17
风电并网运行所引起的电能质量问题如闪变和谐波等随风电比重的增大而日益突出。本文对风电场并网运行产生闪变和谐波的机理进行了分析，再给出计算方法，最后结合实际电网算例对风电场并网运行后的电能质量计算分析方法进行说明。
三相不平衡系统谐波传输特性及其抑制（Harmonic Transmission Characteristic and Suppression of Unbalanced Power System）
不平衡系统 谐波传输特性 谐波抑制 总谐波畸变率
2010/8/17
以Yd11牵引变压器为例分析了不平衡电力系统多谐波源的传输特性，测试4种不同负载接入方式以揭示多谐波源之间的相互作用。采用4种不同的单相无源滤波器接入方案来补偿不平衡的谐波成分，得出当无源滤波器与非线性负载位于相同变电所同一相时具有最好的滤波效果，滤波后系统电流总谐波畸变率平均为4.2%，当滤波器与非线性负载位于不同变电所，在相同相时具有较好的滤波效果，补偿后系统电流总谐波畸变率平均为5.3%，但...
A METHOD FOR THE LONG-TERM SCHEDULING OF HYDROTHERMAL POWER SYSTEM WITH MULTIPLE USER RESERVOIRS
long-term hydrothermal scheduling multiple-user reservoirs power system planning
2009/10/14
This paper presents an optimization-based method for the long-term scheduling of hydrothermal power system with several multiple-user reservoirs. The proposed method maximizes the profit of various ty...
内燃—直线发电集成动力系统的喷油器流量特性（Flux Characteristic of Injector for Internal Combustion Linear Generator Integrated Power System）
内燃机 直线电机 喷油器
2009/5/22
为确定符合内燃—直线发电集成动力系统（ICLG）工作要求的电控喷油器，在分析喷油器工作原理的基础上，建立了一套用于喷油器流量特性研究的测控系统。本文利用该系统对所选用的喷油器进行了流量特性测试，得到了其动态流量特性曲线，并通过误差分析和电流信号分析，最终确定了该喷油器的喷油量计算公式，为燃油量的精确控制提供了依据。
INTEGRATED SOLID OXIDE FUEL CELL POWER SYSTEM CHARACTERISTICS PREDICTION
solid oxide fuel cell power conditioning system mathematical model
2010/1/11
The main objective of this paper is to deduce the specific characteristics of the
CHP 100kWe Solid Oxide Fuel Cell (SOFC) Power System from the steady state
experimental data. From the experimental ...
电力体制改革与核电的发展（The Reform of Electric Power System and the Development of Nuclear Power ）
核电 安全 经济 电力体制
2008/10/22
随着我国改革开放不断的深化和加入世贸组织，电力工业正在进行体制改革。电力体制改革的基本目标：1、实现电力企业制度创新，不断增强国有经济对电力工业的控制力；2、实现电力可持续发展，不断满足国民经济和社会发展对电力的需求；3、最大范围内实现资源优化配置，提高能源综合利用效率；4、通过竞争，提高电力工业整体效率和服务质量，降低电价，提高国民经济的国际竞争力。电力体制改革的原则是厂网分开，发电部分竞价上...
MODELLING AND SIMULATION OF STATIC VAR COMPENSATOR (SVC) IN POWER SYSTEM STUDIES BY MATLAB
FACTS SVC Var voltage control
2010/1/11
This paper presents the modelling and simulation of Static Var Compensator
(SVC) in power system studies by MATLAB. In the first step, we have modeled
mathematically with MathCAD how to analyze the ...
期刊信息
篇名
A Novel Approach for Determining the Hopf Bifurcation Point of Dynamic Voltage Stability in Power System
语种
英文
撰写或编译
撰写
作者
Li Hongzhong,Cheng Haozhong
第一作者单位
刊物名称
WSEAS Transaction On Circuit ...