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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.In this paper, a TIHPS structure with three-phase PWM rectifiers and full-bridge cascaded inverter isExperiments are conducted to validate the feasibility and effectiveness of the proposed TIHPS topology

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

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Experimental investigation and comparative study of inter-turn short-circuits and unbalanced voltage supplyin induction machines

Fatima BABAA, Abdelmalek KHEZZAR, Mohamed el kamel OUMAAMAR

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 271-278 doi: 10.1007/s11708-013-0258-6

Abstract: A transient model for an induction machine with stator winding turn faults on a single phase is derivedHowever, small unbalance in the supply voltage and/or in the machine structure that exists in any realIn this case, it is too difficult to distinguish between the current harmonics due to the supply voltagecrucial to provide the relationship between the inter-turn short-circuits in the stator winding and the supply

Keywords： induction machines     fault indicator     inter-turn short-circuit fault     unbalance supply voltage    

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Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 140-145 doi: 10.1007/s11708-013-0243-0

Abstract: system modeling is derived with state variables of the input current and the output voltage by using power

Keywords： DC-DC converter     AC-DC-pulse width modulation (PWM) converter     induction heating     nonlinear control    

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Fault simulation of boiler heating surface ash deposition in a power plant system

Weiwei ZHANG, Huisheng ZHANG, Ming SU

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 435-443 doi: 10.1007/s11708-011-0162-x

Abstract: The simulation model of a power generation system was developed based on EASY5 simulation platform.The performances of the power plant under the conditions of the furnace slagging and ash deposition ofthe heating surfaces in the boiler were simulated.The results show that the simulation model can reasonably reflect the characteristics of the power plant

Keywords： boiler     slagging     ash deposition     fault simulation    

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Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: It is well recognized that the voltage stability of a power system is affected by the load model andhence, to effectively analyze the reactive power compensation of an isolated hybrid wind-diesel basedpower system, the loads need to be considered along with the generators in a transient analysis.To develop this composite load model, the exponential load is used as a static load model and inductionof an isolated hybrid power system, the transfer function of the composite load is required.

Keywords： isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor load    

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Analysis and control of wind-driven self-excited induction generators connected to the grid through power

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 403-412 doi: 10.1007/s11708-012-0208-8

Abstract: The analysis of the wind-driven self-excited induction generators (SEIGs) connected to the grid throughpower converters has been developed in this paper.For this analysis, a method of representing the grid power as equivalent load resistance in the steady-stateA simple control technique for maximum power point tracking (MPPT) in wind energy conversion systemsMPPT and method of analysis of this wind-driven SEIG-converter system connected to the grid through power

Keywords： self-excited induction generator (SEIG)     renewable power generation     power converters     maximum power pointtracking (MPPT)     steady state analysis     power generation systems    

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Application of fuzzy logic control algorithm as stator power controller of a grid-connected doubly-fedinduction generator

Ridha CHEIKH, Arezki MENACER, Said DRID, Mourad TIAR

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 49-55 doi: 10.1007/s11708-012-0217-7

Abstract: This paper discusses the power outputs control of a grid-connected doubly-fed induction generator (DFIG) for a wind power generation systems.The DFIG structure control has a six diode rectifier and a PWM IGBT converter in order to control the powerSo, to supply commercially the electrical power to the grid without any problems related to power qualityflow with the possibility of keeping stator power factor at a unity.

Keywords： doubly-fed induction generator (DFIG)     vector control     fuzzy logic controller     optimization     power factorunity     active and reactive power    

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Multiple target implementation for a doubly fed induction generator based on direct power control under

Heng NIAN,Yi-peng SONG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 321-334 doi: 10.1631/FITEE.1400170

Abstract: This paper presents a multiple target implementation technique for a doubly fed induction generator (DFIG) under unbalanced and distorted grid voltage based on direct power control (DPC).stator active and reactive powers; (3) smooth electromagnetic torque and instantaneous stator reactive power

Keywords： Direct power control     Doubly fed induction generator     Unbalanced and distorted grid voltage     Vector proportional    

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A comprehensive energy solution for households employing a micro combined cooling, heating and power

Huayi ZHANG, Can ZHANG, Fushuan WEN, Yan XU

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 582-590 doi: 10.1007/s11708-018-0592-9

Abstract:

In recent years, micro combined cooling, heating and power generation (mCCHP) systems have attractedThe input energy of a mCCHP system is natural gas, while the outputs include heating, cooling and electricity

Keywords： energy hub     micro combined cooling     heating and power generation (mCCHP)     thermal comfort     robust optimization    

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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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A unified power electronic controller for wind driven grid connected wound rotor induction generator

D. R. BINU BEN JOSE, N. AMMASAI GOUNDEN, Raavi SRI NAGA RAMESH

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 39-48 doi: 10.1007/s11708-012-0229-3

Abstract: The implementation of a simple power converter for a wound rotor induction generator employing a threeThe detailed working of the system in power smoothing mode and maximum power point tracking mode is presentedcontrolled (by controlling the firing angle of the line commutated inverter) for controlling the stator powerExperiments have been carried out on a 3-phase, 3.73 kW, 400 V, 50 Hz, 4-pole, 1500 r/min wound rotor inductiongenerator and the results obtained with the generator supplying power in both the modes are furnished

Keywords： line commutated inverter     MPPT     power smoothing     wound rotor induction generator    

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Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

Ridha CHEIKH, Arezki MENACER, Said DRID

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 191-196 doi: 10.1007/s11708-013-0245-y

Abstract: This paper discusses the robust control of a grid-connected doubly-fed induction generator (DFIG) controlledto ameliorate the performances of the control and to govern the developed stator active and reactive poweroptimal operation of the DFIG in sub-synchronous operation is given, as well as the control stator powerflow with the possibility of keeping stator power factor at a unity.The use of the state-all-flux induction machine model gives place to a simpler control model.

Keywords： doubly fed induction generator (DFIG)     vector control     Lyapunov function     power factor unity     active power     reactive power    

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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 experimentsdiscrete local arc discharges, which accumulate the non-equilibrium structure after undergoing sudden heatingThe 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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An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 364-370 doi: 10.1007/s11708-014-0324-8

Abstract: is proposed that a capacitor can be connected permanently across each phase winding of a three-phase inductionmethod of choosing a suitable value for the capacitor and the criteria to be adopted for calculating the powerThe experimental results on a 3-phase, 4-pole, 415 V, 50 Hz, 3.3 kW induction motor verify the advantagesAny further improvement in grid side power factor can be achieved by employing a static synchronous compensator

Keywords： delta-star switching     induction motor     power factor     steady-state analysis    

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Robust direct power control based on the Lyapunov theory of a grid-connected brushless doubly fed induction

M. Abdelbasset MAHBOUB,Said DRID,M. A. SID,Ridha CHEIKH

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 298-307 doi: 10.1007/s11708-016-0411-0

Abstract: This paper deals with robust direct power control of a grid-connected brushless doubly-fed inductionis made to improve the desired performances by controlling the generated stator active and reactive powerThus, an optimal operation of the BDFIG in sub-synchronous operation is obtained as well as the stator powerflows with the possibility of keeping stator power factor at a unity.

Keywords： brushless doubly fed induction generator (BDFIG)     vector control     Lyapunov theory     power factor unity     activeand reactive power    

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Title Author Date Type Operation

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

Yufei YUE, Qianming XU, Peng GUO, An LUO

Journal Article

Experimental investigation and comparative study of inter-turn short-circuits and unbalanced voltage supplyin induction machines

Fatima BABAA, Abdelmalek KHEZZAR, Mohamed el kamel OUMAAMAR

Journal Article

Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

Journal Article

Fault simulation of boiler heating surface ash deposition in a power plant system

Weiwei ZHANG, Huisheng ZHANG, Ming SU

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Analysis and control of wind-driven self-excited induction generators connected to the grid through power

S. Senthil KUMAR, N. KUMARESAN, N. Ammasai GOUNDEN, Namani RAKESH

Journal Article

Application of fuzzy logic control algorithm as stator power controller of a grid-connected doubly-fedinduction generator

Ridha CHEIKH, Arezki MENACER, Said DRID, Mourad TIAR

Journal Article

Multiple target implementation for a doubly fed induction generator based on direct power control under

Heng NIAN,Yi-peng SONG

Journal Article

A comprehensive energy solution for households employing a micro combined cooling, heating and power

Huayi ZHANG, Can ZHANG, Fushuan WEN, Yan XU

Journal Article

Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Journal Article

A unified power electronic controller for wind driven grid connected wound rotor induction generator

D. R. BINU BEN JOSE, N. AMMASAI GOUNDEN, Raavi SRI NAGA RAMESH

Journal Article

Robust control based on the Lyapunov theory of a grid-connected doubly fed induction generator

Ridha CHEIKH, Arezki MENACER, Said DRID

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

An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Journal Article

Robust direct power control based on the Lyapunov theory of a grid-connected brushless doubly fed induction

M. Abdelbasset MAHBOUB,Said DRID,M. A. SID,Ridha CHEIKH

Journal Article