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AC-DC Power Integration Techniques

Ma Weiming

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 53-59

Abstract:

A novel AC — DC machine is invented on the basis of the proposed new idea of electric powerintegration, wherein the stator with one set of 3-phase AC winding and another set of 12-phase DC windingd-axis field winding and a q-axis stabilizing winding, is combined with a 12-phase bridge rectifier, an ACSimultaneous AC and DC power supplies with high quality being available, this new generator is especiallyDue to complete electrical separation of the AC and DC circuits and usage of the properly designed 12

Keywords： electric power integration     double-winding AC - DC generator     12-phase rectification     simultaneous AC andDC power supply     self-contained electrical system    

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Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 399-412 doi: 10.1007/s11708-015-0374-6

Abstract: This paper demonstrates the convergence of the integrated AC-DC power-flow algorithm as affected by theFor power-flow modeling of integrated AC-DC systems, the base values of the various DC quantities canThe sequential method is used to solve the DC variables in the Newton Raphson (NR) power flow model,where AC and DC systems are solved separately and are coupled by injecting an equivalent amount of realand reactive power at the terminal AC buses.

Keywords： AC-DC power-flow     Newton-Raphson method     high voltage direct current (HVDC) control strategy    

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Research on the variable speed technology of large power alternating current motor

Li Chongjian

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 31-36

Abstract:

In this paper, the development status of the domestic large power ACThe domestic large power AC drivers fed by cycloconverters have been greatly developed, and some innovationThe development of the first domestic 7.5 MVA IGCT AC-DC (direct current)-AC converter is also introduced

Keywords： large power AC motor     cycloconverter     AC-DC-AC converter     IGCT    

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Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 551-570 doi: 10.1007/s11708-019-0641-z

Abstract: increasing traffic, CO emissions from this mobility sector increased and CO emission from German powercalled “The German Coal Commission”) to propose a time line: how Germany can move out of coal-fired powersupply, based on German’s own national resources.supply.supply system with an overall reduced CO emission.

Keywords： CO2 reduction     mobility sector     renewable generation     coal commission     secured power generationcapacity     reliable power supply     power-to-gas     power-to-heat    

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Local arc discharge mechanism and requirements of power supply in micro-arc oxidation of magnesium alloy

Ming CHEN, Yuezhou MA, Yuan HAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 98-105 doi: 10.1007/s11465-009-0088-8

Abstract: To study the requirements of the power supply in micro-arc oxidation (MAO) of magnesium alloy, many experimentsThe purpose of pulse supply is to inhibit the large-arc discharge by intervening proper cooling time,mode because of the strong capacitive load characteristics but can be reached by an ambipolar pulse supplyUsing a discharge loop to remove the influence of load capacitive, a new type of pulse power supply for

Keywords： micro-arc oxidation     local arc discharge     pulse power supply     magnesium alloy    

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Enhancing power transfer capability through flexible AC transmission system devices: a review

Fadi M. ALBATSH,Saad MEKHILEF,Shameem AHMAD,H. MOKHLIS,M. A. HASSAN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 658-678 doi: 10.1631/FITEE.1500019

Abstract: Global demand for power has significantly increased, but power generation and transmission capacitiesAs a result, power consumers suffer from various problems, such as voltage and frequency instabilityand power quality issues.Researchers worldwide have addressed this issue by using flexible AC transmission system (FACTS) devicestransfer capability (PTC) of power system networks.

Keywords： FACTS devices     Available transfer capability     Power transfer capability     Artificial intelligence    

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Secure analysis on artificial-noise-aided simultaneous wireless information and power transfer systems

Wei-min Hou, Qing-shan Tang,cstqs001@126.com

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 11,   Pages 1535-1670 doi: 10.1631/FITEE.2000083

Abstract: In this paper, we investigate the secrecy outage performance in (SWIPT) systems taking assistance into account. Multiple antennas in the source and a single antenna in both the legitimate receiver and the eavesdropper are assumed. Specifically, the transmitted signal at the source is composed of two parts, where the first part is the information symbols and the other is the noise for the eavesdropper. To avoid making noise in the legitimate receiver, these two parts in the transmitted signals are modulated into two orthogonal dimensions according to the instantaneous channel state between the source and the legitimate receiver. We derive an approximate closed-form expression for the (SOP) by adopting the Gauss-Laguerre quadrature (GLQ) method, where the gap between the exact SOP and our approximate SOP converges with increase of the summation terms in the GLQ. To obtain the secrecy diversity order and secrecy array gain for the considered SWIPT system, the asymptotic result of the SOP is also derived. This is tight in the high signal-to-noise ratio region. A novel and robust SOP approximation is also analyzed given a small variance of the signal-to-interference-plus-noise ratio at the eavesdropper. Some selected Monte-Carlo numerical results are presented to validate the correctness of the derived closed-form expressions.

Keywords： 人工噪声；多天线系统；保密中断概率；无线携能    

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High pressure air spray assistant power supply control strategies and their effects on diesel engine

HAN Yongqiang, LIU Zhongchang, WANG Zhongshu, ZHU Ruoqun

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 295-299 doi: 10.1007/s11708-007-0042-6

Abstract: transient operations, the real-time controlling and measuring system of a high pressure air spray assistant powersupply (HPAS) was developed.

Keywords： different     after-cooled     real-time controlling     CSIT     supply    

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Modeling, evaluation, and optimization of gas-power and energy supply scenarios

Hossam A. GABBAR,Aboelsood ZIDAN

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 393-408 doi: 10.1007/s11708-016-0422-x

Abstract: Recently, renewable energy sources such as wind power and photovoltaic (PV) are receiving a wide acceptanceDue to the continuous demand growth and the necessity for efficient and reliable electricity supply,there is a real need to increase the penetration of gas technologies in power grids.government and stakeholders are looking for ways to increase the reliability and sustainability of powergrid, and gas-power technologies may provide a solution.

Keywords： gas-power     renewable     key performance indicators (KPIs)     reliability    

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Constant temperature control of tundish induction heating power supply for metallurgical manufacturing

Yufei YUE, Qianming XU, Peng GUO, An LUO

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 16-26 doi: 10.1007/s11708-018-0572-0

Abstract: The tundish induction heating power supply (TIHPS) is one of the most important equipment in the continuousIn terms of the relationship between TIH load temperature and output power of TIHPS, the constant temperaturecontrol can be realized by power control.

Keywords： tundish induction heating power supply (TIHPS)     constant temperature control     input harmonic current blocking    

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Research and application of on-shore power supply system for vessel in port of Shanghai

Bao Qifan

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 63-68

Abstract: text-align: justify;">This paper prescribes a movable voltage-variable & frequency-variable on shore powersupply system which successfully provids on shore power for container vessel at port.The high-voltage power supply (10 kV/50 Hz/2 000 kV·A) for the Quay Cranes is used as the power

Keywords： on-shore power supply     energy-saving and emission reduction    

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Development of an experimental platform for research in energy and electrical machine control

Ali HMIDET, Rachid DHIFAOUI, Driss SAIDANI, Othman HASNAOUI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 366-375 doi: 10.1007/s11708-010-0106-x

Abstract: bench dedicated for electrical machines and energy control, as realized by the research team of the PowerThe relevant obtained results in photovoltaic (PV) and wind energy fields, power measurement and control, as well as alternating current (AC) machine drives are likewise presented.In the AC drives area, the results of a closed loop control are presented using a developed direct voltage

Keywords： test bench     induction motor     solar energy     wind energy     AC/DC/AC converter     sensors and power measurements    

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Model of Fuzzy Geometric Programming in Economical Power Supply Radius and Optimum Seeking Method

Cao Bingyuan

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 52-55

Abstract:

The choice of power supply radius for transformer substations is a complicated problem.A fuzzy geometric programming model of power supply radius under the fuzzy environment, including problems

Keywords： fuzzy geometric programming     economic power supply radius     optimum seeking     transformer substations capacity    

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Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 426-432 doi: 10.1007/s11708-015-0376-4

Abstract: The aim of this paper is simultaneous minimization of hydrothermal units to reach the best solution byfunction consisting of economic dispatch (ED) considering the valve-point effect and pollution function in powerThese constraints include the maximum and minimum output power of units, the constraints caused by thebalance between supply and demand, the impact of pollution, water balance, uneven production curve considering

Keywords： practical constraints of units     pollution function     inlet steam valve     up-ramp rate of units     improved ABC algorithm    

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Research on the distributed power supply system of the Three Gorges floaters

Li Nianjun

Strategic Study of CAE 2010, Volume 12, Issue 6,   Pages 99-103

Abstract: systematic route of the Three Gorges floaters, aking the floaters' power generation as its majorIt can provide more reliable, cleaner high quality power ervice for the clients through the usage ofdistributed power technology system.result of this esearch shows that the complete usage of the Three Gorges floaters for the combined supplysupply system an deal with 4.7×104~9.5×104 t of floaters annually,

Keywords： the Three Gorge floaters     pollution     distributed power supply    

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Title Author Date Type Operation

AC-DC Power Integration Techniques

Ma Weiming

Journal Article

Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Journal Article

Research on the variable speed technology of large power alternating current motor

Li Chongjian

Journal Article

Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Journal Article

Local arc discharge mechanism and requirements of power supply in micro-arc oxidation of magnesium alloy

Ming CHEN, Yuezhou MA, Yuan HAO,

Journal Article

Enhancing power transfer capability through flexible AC transmission system devices: a review

Fadi M. ALBATSH,Saad MEKHILEF,Shameem AHMAD,H. MOKHLIS,M. A. HASSAN

Journal Article

Secure analysis on artificial-noise-aided simultaneous wireless information and power transfer systems

Wei-min Hou, Qing-shan Tang,cstqs001@126.com

Journal Article

High pressure air spray assistant power supply control strategies and their effects on diesel engine

HAN Yongqiang, LIU Zhongchang, WANG Zhongshu, ZHU Ruoqun

Journal Article

Modeling, evaluation, and optimization of gas-power and energy supply scenarios

Hossam A. GABBAR,Aboelsood ZIDAN

Journal Article

Constant temperature control of tundish induction heating power supply for metallurgical manufacturing

Yufei YUE, Qianming XU, Peng GUO, An LUO

Journal Article

Research and application of on-shore power supply system for vessel in port of Shanghai

Bao Qifan

Journal Article

Development of an experimental platform for research in energy and electrical machine control

Ali HMIDET, Rachid DHIFAOUI, Driss SAIDANI, Othman HASNAOUI,

Journal Article

Model of Fuzzy Geometric Programming in Economical Power Supply Radius and Optimum Seeking Method

Cao Bingyuan

Journal Article

Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Journal Article

Research on the distributed power supply system of the Three Gorges floaters

Li Nianjun

Journal Article