Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 2065

Conference Videos 118

Conference Topics 1

Year

2024 3

2023 137

2022 207

2021 178

2020 134

2019 114

2018 126

2017 121

2016 102

2015 125

2014 76

2013 82

2012 77

2011 85

2010 82

2009 68

2008 66

2007 79

2006 58

2005 43

open ︾

Keywords

optimization 19

system 17

monitoring 16

Artificial intelligence 10

artificial intelligence 10

index system 10

sustainable development 10

system engineering 9

Multi-agent system 8

development strategy 8

renewable energy 8

wind power 8

Qian Xuesen 7

management 7

maximum power point tracking (MPPT) 7

nuclear power plant 7

simulation 7

Machine learning 6

innovation 6

open ︾

Search scope:

排序： Display mode:

Overview of condition monitoring and operation control of electric power conversion systems in direct-drive

Shoudao HUANG, Xuan WU, Xiao LIU, Jian GAO, Yunze HE

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3, Pages 281-302 doi: 10.1007/s11465-017-0442-1

Abstract:

Electric power conversion system (EPCS), which consists of a generator and power converter, is onecomponent accounts for the most failures (approximately 60% of the total number) in the entire DD-WT systemTo improve the reliability of EPCSs and reduce the operation and maintenance cost of DD-WTs, numerousresearchers have studied condition monitoring (CM) and fault diagnostics (FD).converters; briefly reviewed CM and FD methods and operation control of these generators and power converters

Keywords： direct-drive wind turbine electric power conversion system condition monitoring fault diagnosis operation

HTML PDF Collect

Application of AI techniques in monitoring and operation of power systems

David Wenzhong GAO, Qiang WANG, Fang ZHANG, Xiaojing YANG, Zhigang HUANG, Shiqian MA, Qiao LI, Xiaoyan GONG, Fei-Yue WANG

Frontiers in Energy 2019, Volume 13, Issue 1, Pages 71-85 doi: 10.1007/s11708-018-0589-4

Abstract: However, the application of AI techniques in power systems is still in its infancy.by mainly focusing on the power system operation and monitoring.For the power system operation, the problems, the demands, and the possible applications of AI techniquesSubsequently, the fault detection and stability analysis problems in power system monitoring are studiedas a simple example to demonstrate the viability of AI techniques in solving power system problems.

Keywords： power system operation and monitoring artificial intelligence (AI) deep learning power flow analysis

HTML PDF Collect

Optimal operation of integrated energy system including power thermal and gas subsystems

Frontiers in Energy 2022, Volume 16, Issue 1, Pages 105-120 doi: 10.1007/s11708-022-0814-z

Abstract: Focusing mainly on model building and optimal operation of the integrated energy system, in this paper, the dist-flow method is applied to quickly calculate the power flow and the gas system model is builtby the analogy of the power system model.The entire system reaches its optimal operation through multiple iterations.The power-thermal-gas integrated energy system used in the case study includes an IEEE-33 bus power system

Keywords： integrated energy system power-to-gas dist-flow piecewise linearization alternating direction method

HTML PDF Collect

Digital monitoring and health diagnosis for mechanical equipment operation safety based on fiber Bragg

Zude ZHOU, Desheng JIANG, Quan LIU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 5-14 doi: 10.1007/s11465-009-0011-3

Abstract: based on a fiber optic grating sensor developed to be embedded on mechanical equipment for digital monitoringand methods for data processing, synchronous sampling, and long-term dynamic digital monitoring usingunder this rigorous situation for use in mechanical engineering operation safety.As a result, this paper introduces an online distributed and integrated digital monitoring system andmodern measurements in science and technology, mechanical engineering, and large mechanical equipment operation

Keywords： fiber Bragg grating sensor (FBGS) mechanical equipment operation safety embedded technology high-speeddemodulation digital monitoring health diagnosis

HTML PDF Collect

Developing a power monitoring and protection system for the junction boxes of an experimental seafloor

Jun WANG,De-jun LI,Can-jun YANG,Zhi-feng ZHANG,Bo JIN,Yan-hu CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12, Pages 1034-1045 doi: 10.1631/FITEE.1500099

Abstract: A power monitoring and protection system based on an embedded processor was designed for the junction) and a mechanical contactor in series was adopted to generate a reliable power switch, to limit surgeGrounding fault diagnosis and environmental monitoring were conducted by designing a grounding faultFinally, a subsystem for power monitoring and protection was integrated into the complete node system, stable, reliable, and suitable for continuous deep-sea operation.

Keywords： Power monitoring and protection Embedded processor Seafloor observatory network IEEE 1588 Junction

HTML PDF Collect

A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Frontiers in Energy 2009, Volume 3, Issue 4, Pages 440-445 doi: 10.1007/s11708-009-0051-8

Abstract: The core objective to optimize a complex energy system is to set the reference target to guide the parameteradjustment of system operation.case-based approach is proposed based on an online performance assessment program and its long-term operationdata for a large power unit.A full-scope simulator of power unit is used to test the availability of the method.

Keywords： energy system case-based optimization power unit operation performance

HTML PDF Collect

Impact of renewable energies on the operation and economic situation of coal fired power stations: Actualsituation of coal fired power stations in Germany

Hans-Joachim KRAUTZ, Alexander LISK, Joachim POSSELT, Christian KATZER

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 119-125 doi: 10.1007/s11708-017-0468-4

Abstract: Due to the fluctuating character of the renewable energy sources the demand of conventional power plantspower plants.of power plant components, corrosion, more maintenance effort and consequently the overall life expectancyof renewable energies is the decreasing full load operating hours, especially of coal fired and gas powerAlong with decreasing revenues from the energy exchange market, coal fired power plants are faced with

Keywords： flexible load operation minimal load power gradients power plant maintenance corrosion life expectancy

HTML PDF Collect

Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5, Pages 479-488 doi: 10.1631/FITEE.1500467

Abstract: , and represent distributed generation to participate in the power market of the main grid.consumers, managing the effect of fluctuations in the amount of available renewable resources on the operationAfter the electric boiler is considered in the VPP operation model of the combined heat and power system, a multi-objective model is built, which includes the costs of carbon emissions, total operation ofThe power output of each unit in the case study is analyzed under four scenarios.

Keywords： Virtual power plant (VPP) Carbon emissions Electric boiler Wind power Combined heat and power (CHP

HTML PDF Collect

Applications of thermostatically controlled loads for demand response with the proliferation of variable renewable energy

Meng SONG, Wei SUN

Frontiers in Energy 2022, Volume 16, Issue 1, Pages 64-73 doi: 10.1007/s11708-021-0732-5

Abstract: desirable with the proliferation of variable renewable resources for balancing supply and demand in power

Keywords： thermostatically controlled load demand response renewable energy power system operation

HTML PDF Collect

Study of operation optimization based on data mining technique in power plants

LI Jianqiang, LIU Jizhen, GU Junjie, NIU Chenglin

Frontiers in Energy 2007, Volume 1, Issue 4, Pages 457-462 doi: 10.1007/s11708-007-0067-1

Abstract: The determination of operation optimization value is very important for economic analysis and operationoptimization in power plants.The operation optimization value determined by traditional methods usually cannot reflect the ac

Keywords： traditional optimization determination economic analysis important

HTML PDF Collect

Key Technologies for System Engineering of Electric Commercial Vehicles

Sun Fengchun and He Hongwen

Strategic Study of CAE 2018, Volume 20, Issue 1, Pages 59-67 doi: 10.15302/J-SSCAE-2018.01.009

Abstract: Combining the requirements of "zero-emission" and "24 h non-interrupted safe operation" in the Beijing Olympics, we propose herein the concept of “system engineering of electriccommercial vehicles” with three core components, namely, vehicle platform, swap charging station, and operationmonitoring.Lastly, this study discusses the main technical measures for upgrading the system engineering of electric

Keywords： electric commercial vehicle charging/changing station operation monitoring system engineering Winter

HTML PDF Collect

Application of Cable Temperature Measuring System inIndustrial Power Supply Network

Yan Hong

Strategic Study of CAE 2007, Volume 9, Issue 11, Pages 172-174

Abstract:

The necessity and actual application of an on-line temperature monitoringsystem used for10kV high voltage electric cable of industrial enterprises has been studied in this paperSelecting method for temperature sensors, composition of temperature monitoring system and its operatingof power facility, and on-site bus line technology used in power system are introduced.online trouble shooting and diagnosis for high voltage electric cable and cable joints with non stop of power

Keywords： 10kV high voltage electric cable terminal temperature sensor monitoring system

HTML PDF Collect

Design and realization of a remote monitoring and diagnosis and prediction system for large rotating

Shaohong WANG, Tao CHEN, Jianghong SUN

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2, Pages 165-170 doi: 10.1007/s11465-009-0090-1

Abstract: Remote monitoring and diagnosis technology is a new fault diagnosis mode combining computer technologyThe designed remote monitoring and diagnosis and prediction system for large rotating machinery integratesThe system can make further implementation of equipment prediction technology research based on conditionThe system monitors real-time condition of the equipment and achieves early fault prediction with greatsignificance to guarantee safe operation, saves maintenance costs, and improves utilization and management

Keywords： large rotating machinery remote monitoring fault diagnosis prediction system

HTML PDF Collect

Estimation and optimization operation in dealing with inflow and infiltration of a hybrid sewerage system

Mingkai Zhang, He Jing, Yanchen Liu, Hanchang Shi

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0912-z

Abstract: Inflow and infiltration of a sewage system was estimated by synthetic model.Occurrence risk index was proposed to assess catchment operation problem.Limited sewerage information impedes the estimation accuracy of I/I for each system catchment becauseA new method proposed to deal with I/I of a large-scale hybrid sewerage system with limited infrastructureThe simulation results of the potential operational strategy indicated that the optimized operation strategy

Keywords： Hybrid sewerage system Wastewater treatment plant Optimization operation Inflow Infiltration

HTML PDF Collect

Grid-Integration and Operation of HighProportioned New Energy

Shi Wenhui, Qu Jixian, Luo Kui, Li Qinmiao, He Yongjun, Wang Weisheng

Strategic Study of CAE 2022, Volume 24, Issue 6, Pages 52-63 doi: 10.15302/J-SSCAE-2022.07.006

Abstract: high-efficiency consumption and energy guarantee problems, increasing difficulty in safe and stable operation, and an unsuitable power market mechanism.Moreover, a key technology system is proposed from the perspectives of source side, grid side, load sideTo achieve long-term steady development of the gird integration and operation for the high-proportionedThis study could provide a basic reference for the research on power system planning and electric technologies

Keywords： high-proportioned new energy grid-integration and operation new energy consumption power market technologysystem

HTML PDF Collect

Title Author Date Type Operation

Overview of condition monitoring and operation control of electric power conversion systems in direct-drive

Shoudao HUANG, Xuan WU, Xiao LIU, Jian GAO, Yunze HE

Journal Article

Application of AI techniques in monitoring and operation of power systems

David Wenzhong GAO, Qiang WANG, Fang ZHANG, Xiaojing YANG, Zhigang HUANG, Shiqian MA, Qiao LI, Xiaoyan GONG, Fei-Yue WANG

Journal Article

Optimal operation of integrated energy system including power thermal and gas subsystems

Journal Article

Digital monitoring and health diagnosis for mechanical equipment operation safety based on fiber Bragg

Zude ZHOU, Desheng JIANG, Quan LIU

Journal Article

Developing a power monitoring and protection system for the junction boxes of an experimental seafloor

Jun WANG,De-jun LI,Can-jun YANG,Zhi-feng ZHANG,Bo JIN,Yan-hu CHEN

Journal Article

A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Journal Article

Impact of renewable energies on the operation and economic situation of coal fired power stations: Actualsituation of coal fired power stations in Germany

Hans-Joachim KRAUTZ, Alexander LISK, Joachim POSSELT, Christian KATZER

Journal Article

Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Journal Article

Applications of thermostatically controlled loads for demand response with the proliferation of variable renewable energy

Meng SONG, Wei SUN

Journal Article

Study of operation optimization based on data mining technique in power plants

LI Jianqiang, LIU Jizhen, GU Junjie, NIU Chenglin

Journal Article

Key Technologies for System Engineering of Electric Commercial Vehicles