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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 systemfunctional principle and structure of EPCS, this survey discusses the common failures in wind generators and powerconverters; 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    

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Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermal

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 246-262 doi: 10.1007/s11708-021-0749-9

Abstract: A comprehensive thermo-economic model combining a geothermal heat mining system and a direct supercriticalCO2 turbine expansion electric power generation system was proposed in this paper.It was found that for a 100 MWe power plant, a minimal LCOE of $0.177/kWh was achieved forsub> sequestration credit is $1.00/t, an LCOE breakeven point compared to a conventional geothermal powerplant is achieved and a breakpoint for generating electric power generation at no cost was achieved

Keywords： geothermal heat mining     supercritical CO2     power generation     thermo-economic analysis     optimization    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: The general availability growth models for large scale complicated repairable system such as electricAvailability growth models for electric generating units, power station auxiliaries, and transmissionunits and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmissionThe verification results for operation availability data show that the maintenance coefficients for electricof power equipment.

Keywords： repairable system     power equipment     electric generating unit     power station auxiliary     transmission and distribution    

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Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 296-306 doi: 10.1007/s11708-018-0605-8

Abstract: This paper proposes a powertrain controller for a solar photovoltaic battery powered hybrid electricobjective of the proposed controller is to ensure better battery management, load regulation, and maximum powerThe lower level controllers are designed to perform individual tasks such as maximum power point trackingThe perturb and observe based maximum power point tracking algorithm is used for extracting maximum power

Keywords： battery management system     hybrid electric vehicles (HEVs)     maximum power point tracking (MPPT)     solar photovoltaic    

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A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage

C. K. ARAVIND,G. SARAVANA ILANGO,C. NAGAMANI

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 31-42 doi: 10.1007/s11708-015-0347-9

Abstract: The standalone hybrid power system constitutes a synchronous generator driven by a diesel engine, renewableenergy source (wind) apart from a battery energy storage system.The system is simulated using Matlab/Simulink for preliminary validation and further tested on a laboratoryThe dynamic behavior of the system is perused through the direct connection of an induction machine.The control strategy is verified for step changes in load and variation in wind power.

Keywords： standalone hybrid power system     battery energy storage system (BESS)     power conversion    

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A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 1-10 doi: 10.1007/s11708-019-0655-6

Abstract: The power system of a free piston Stirling generator (FPSG) based on potassium heat pipes has been developedThe experiment results indicated that this FPSG could provide 142.4 W at a thermal-to-electric efficiencyBesides, the power system integrated with four FPSGs and potassium heat pipes was performed and the singleThe results show that this system could provide an electrical power of 300 W at an overall thermal efficiencyThus, it is concluded that this power system is feasible and will have a great prospect for future applications

Keywords： free piston Stirling generator (FPSG)     potassium heat pipe     power system     energy conversion    

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Prospects and Key Points for Applying SMES to Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 16-19

Abstract:

This paper introduces a series of challenges which modern power system in ships are confronted withThe author analyses the potential application in power system in ships based on the development of superconductingenergy storage (SMES) as a new storage device and points out the key topics for application of SMES to electricpower system in ships in the future.

Keywords： electric power system in ships     superconducting magnetic energy storage (SMES)     superconducting application    

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Topic in the Development of Electrical Engineering in the 21st Century ——Superconducting Technology in ElectricPower System

Tang Yuejin,Li Jingdong,Duan Xianzhong,Cheng Shijie,Pan Yuan

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 1-7

Abstract: All of these will put forward the following challenging requirements to the electric power system forAs the conventional technology used in current power system is difficult to meet these requirements,It is commonly recognized that superconducting technology will be widely used in the electric power systemand the potential of using superconducting technology in the future power system.The current states of applying superconducting technology to the electric power system are also overviewed

Keywords： applied superconductivity     electric power system     environment and resources    

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The Basic Study for Quench Detection in Superconducting Electric Equipments

Yu Xiaoyan,Li Jingdong,Tang Yuejin

Strategic Study of CAE 2003, Volume 5, Issue 10,   Pages 73-77

Abstract:

Quench of superconducting electric equipments is an important problem for superconducting electricpower systems and will affect its operation.This paper presents the quench detection of SMES in power system operation, and puts forward forecast

Keywords： superconducting electric equipments     quench detection     superconducting electric power system     forecast theory    

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A preliminary study on the construction of wind and hydrogen power electric generating system

Xu Ye,Chen Xiaoning

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 83-88

Abstract: of voltage in the wind power generation, a wind and hydrogen power electric generating system was putIn the system, the controllable output, which corresponds to "valley"  of the wind powergeneration output, is used as the guarantee steady output power for the wind power plant, and the uncontrollablehydrogen generation to "cut the peak"  and the "valley"  is used for electricand computation, and the result showed that the system can guarantee the balance of power output mostly

Keywords： wind power generation     hydrogen power generation     hydrogen production and storage    

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Building a New Electric Power System Based on New Energy Sources

Shu Yinbiao, Chen Guoping, He Jingbo, Zhang Fang

Strategic Study of CAE 2021, Volume 23, Issue 6,   Pages 61-69 doi: 10.15302/J-SSCAE-2021.06.003

Abstract:

Building a new electric power system that is based on new energy sourcesis an important direction for power system transformation and upgrading in China, and it is criticaland elaborate on the connotation and building principles of a new electric power system.The new electric power system proposed in this study can satisfy the increasing demand for clean powerBuilding the new electric power system should follow the technical evolution law and characteristics

Keywords： new electric power systems     carbon dioxide peaking     carbon neutrality     new energy sources     power transformation    

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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: Frequency regulation in a generation mix having large wind power penetration is a critical issue, asreduce equivalent system inertia.Thus, it is important that wind turbines also contribute to system frequency control.paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbine in systemThe simulations carried out in a two-area interconnected power system demonstrate the contribution of

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversionsystem (WECS)    

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Optimal operation of microgrid using hybrid differential evolution and harmony search algorithm

S. SURENDER REDDY,Jae Young PARK,Chan Mook JUNG

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 355-362 doi: 10.1007/s11708-016-0414-x

Abstract: conventional generators, wind energy generators, solar photovoltaic (PV) systems, battery storage, and electricevolution and harmony search (hybrid DE-HS) algorithm including the wind energy generators and solar PV system

Keywords： battery storage     electric vehicles (EVs)     microgrid (MG)     optimal scheduling     solar photovoltaic (PV) system     wind energy conversion system    

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Development of Simulation Technologies and Researches of Modeling Theory for Power Plant in China

Lü Chongde,Fan Yongsheng,Cai Ruizhong

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 99-103

Abstract:

In this paper the development of simulation technologies and modeling theory of the fossil power generatingAuthors described developing process of the fossil power simulators from scientific researches to achievingWhile the information of electric power simulators distributed over the world is given.The key technologies——modeling theory and method of the thermal system simulation are summarized

Keywords： system simulation     modeling     electric power    

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Novel power capture optimization based sensorless maximum power point tracking strategy and internal

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 742-756 doi: 10.1007/s11708-017-0462-x

Abstract: The optimization strategy of the harvested power from the wind is realized by a maximum power point trackingBased on the simulation results of a six KW-WECS model in Matlab/Simulink, the presented control systemtopology is reliable and keeps the system operation around the desired response.

Keywords： power optimization     wind energy conversion system     maximum power point tracking (MPPT)     fuzzy logic     internal    

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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

Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermal

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

Journal Article

A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage

C. K. ARAVIND,G. SARAVANA ILANGO,C. NAGAMANI

Journal Article

A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Journal Article

Prospects and Key Points for Applying SMES to Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie

Journal Article

Topic in the Development of Electrical Engineering in the 21st Century ——Superconducting Technology in ElectricPower System

Tang Yuejin,Li Jingdong,Duan Xianzhong,Cheng Shijie,Pan Yuan

Journal Article

The Basic Study for Quench Detection in Superconducting Electric Equipments

Yu Xiaoyan,Li Jingdong,Tang Yuejin

Journal Article

A preliminary study on the construction of wind and hydrogen power electric generating system

Xu Ye,Chen Xiaoning

Journal Article

Building a New Electric Power System Based on New Energy Sources

Shu Yinbiao, Chen Guoping, He Jingbo, Zhang Fang

Journal Article

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

Optimal operation of microgrid using hybrid differential evolution and harmony search algorithm

S. SURENDER REDDY,Jae Young PARK,Chan Mook JUNG

Journal Article

Development of Simulation Technologies and Researches of Modeling Theory for Power Plant in China

Lü Chongde,Fan Yongsheng,Cai Ruizhong

Journal Article

Novel power capture optimization based sensorless maximum power point tracking strategy and internal

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Journal Article