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Development and advances in modular multilevel converter based HVDC projects in China

Frontiers of Engineering Management   Pages 183-189 doi: 10.1007/s42524-022-0248-7

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Keywords： high voltage direct current     power converter     power systems     renewable energy     ultra-high voltage    

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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: affected by the selection of different base values for the DC quantities and adoption of different controlIn a similar manner, the control strategy adopted for the DC link also affects the power-flow convergenceNow, for a majority of the possible control strategies, the equivalent real and reactive power injectionsHowever, for a few of the control strategies, the equivalent reactive power injections cannot be computedTwo different per-unit system models and six typical control strategies are taken into consideration.

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

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Multiple target implementation for a doubly fed induction generator based on direct power control underunbalanced and distorted grid voltage

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: based on direct power control (DPC).targets: (1) balanced and sinusoidal stator current; (2) smooth instantaneous stator active and reactiveThe major advantage of the proposed control strategy over the conventional method is that neither negativeand harmonic sequence decomposition of grid voltage nor complicated control reference calculation isThe insensitivity of the proposed control strategy to DFIG parameter deviation is analyzed.

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

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Fault tolerant control strategy for modular PWM current source inverter

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 228-238 doi: 10.1007/s11708-022-0852-6

Abstract: In this paper, a fault-tolerant control method for an input-series output-parallel modular grid-tiedpulse-width modulation (PWM) current source inverter is proposed to address the most commonly seen singleThis method actively offsets the neutral point of the current space vector to ensure a sinusoidal outputof the grid current, and it can achieve the upper limit power of the inverter under the condition ofIn addition, an active damping control method based on grid harmonic current feedback is proposed after

Keywords： current source converter (CSC)     fault-tolerant control     space vector modulation     active damping     resonance    

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Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 213-221 doi: 10.1007/s11708-017-0479-1

Abstract: this paper, the impact of the conductivity and the distribution of pollution on the behavior of the highvoltage insulator cap and pin 1512L, artificially polluted is described.different conductivities for a discontinuous distribution of the pollution on the insulator under an AC voltageFurthermore, the influence of the pollution on the flashover voltage and the leakage current is studied

Keywords： 1512L insulator     circular model     artificial pollution     flashover     leakage current     discontinuous pollution     high voltage    

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Research of an Interleaved Low-Voltage/High-Current DC-DC Converter

Wang Ping,Sun Xu,Song Liangyu

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 59-63

Abstract:

In the recent years, the operating voltages of most high-performance microprocessors were lower thanthat of the previous ones and the research of low-voltage/high-current DC-DC converter was enhanced.Among all topologies, the current-doublers topology is optional.In the current-doublers topology, the ripple current of the output filter capacitor is reduced becausethat a few of current-doublers are interleaved.

Keywords： low-voltage/high-current DC-DC converter     current-doublers     interleaved    

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Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniquesfor all voltage disturbances compensation

Salim CHENNAI,M-T BENCHOUIA

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 221-239 doi: 10.1007/s11708-014-0317-7

Abstract: This paper presents a novel and efficient control scheme for unified power quality conditioner (UPQC)The proposed UPQC is capable of mitigating source current harmonics and compensate all voltage disturbancesThe DC voltage is maintained constant using proportional integral voltage controller.To improve the UPQC capability, fuzzy logic techniques are introduced to control the series APF.or current harmonics and all other voltage disturbances compensation using Matlab-Simulink software

Keywords： three-level neutral point clamped (NPC) inverter     unified power quality conditioner (UPQC)     current harmonicsmitigation     fuzzy logic controller     voltage disturbance compensation     shunt active filter     series active    

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: The combination of high-voltage windows and bending stability remains a challenge for supercapacitorsHere, we present an “advantage-complementary strategy” using sodium lignosulfonate as a pseudocapacitivesodium lignosulfonate-based electrodes are successfully developed, showing perfect bending stability and highwindow reaching 1.7 V, outstanding bending stability and high energy-power density of 83.87 Wh·kgstrategy of sodium lignosulfonate on graphene oxide and polyaniline is undoubtedly beneficial

Keywords： synergy     pseudocapacitive lignosulfonate     flexible electronic devices     asymmetric supercapacitor     wide voltage    

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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: Specially, the constant temperature control is greatly significant for metallurgical manufacturing.of the relationship between TIH load temperature and output power of TIHPS, the constant temperature controlcan be realized by power control.Besides, an input harmonic current blocking strategy and a load voltage feedforward control are alsoproposed to realize constant temperature control.

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

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Corrigendum to “Research on DC protection strategy in multi-terminal hybrid HVDC System” [Engineering Corrigendum

Yuping Zheng, Jiawei He, Bin Li, Tonghua Wu, Wei Dai, Ye Li

Engineering 2022, Volume 10, Issue 3,   Pages 183-183 doi: 10.1016/j.eng.2022.02.006

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Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 943-955 doi: 10.1007/s11708-021-0793-5

Abstract: strategy referred to as the voltage source (VS) control.The primary intention of the VS control method is to achieve the high-quality inertial response capabilityTo this end, a frequency domain model of the wind farm under the VS control is first developed.Based on this knowledge, a stabilization control strategy is then proposed, aiming for stability improvementsof VS control while fulfilling the demand of inertial responses.

Keywords： weak grids     voltage source (VS) control     wind turbine (WT)     stabilization control     wind farm     inertial    

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Large-Scale Renewable Energy Transmission by HVDC: Challenges and Proposals Review

Weisheng Wang, Guanghui Li, Jianbo Guo

Engineering 2022, Volume 19, Issue 12,   Pages 252-267 doi: 10.1016/j.eng.2022.04.017

Abstract:

Renewable energy transmission by high-voltage direct current (HVDC) has attracted increasing attentiondevelopment and utilization of large-scale renewable energy under the Carbon Peak and Carbon Neutrality StrategyHigh-penetration power electronic systems have gradually formed at the sending end of HVDC transmissionNew stability issues, such as broadband oscillation and transient over-voltage, have emerged, causingIn this paper, the mechanisms of broadband oscillation and transient over-voltage are revealed, and analytical

Keywords： Broadband oscillation     Future power system     HVDC transmission     Renewable energy generation     Transient over-voltage    

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Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 577-591 doi: 10.1007/s11705-018-1758-z

Abstract: component of electrolytes, due to its excellent ability to allow graphite anode operation–also required for highIn the last years, many alternative electrolytes, aiming at allowing high voltage battery operation,Thus, we review here the high voltage, EC-free alternative electrolytes, focusing on those allowing the

Keywords： lithium-ion     electrolyte     solid electrolyte interphase     additives     high voltage     graphite    

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Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 386-393 doi: 10.1007/s11708-014-0323-9

Abstract: Accurate modeling and parameters of high voltage (HV) grid are critical for stability research of system

Keywords： high voltage (HV) grid     frequency stability parameter identification     primary frequency regulation (PFR    

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Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Frontiers in Energy   Pages 782-795 doi: 10.1007/s11708-023-0905-8

Abstract: However, the high penetration rate of DPVs has brought problems such as voltage violation and power qualityThe traditional centralized control method of the distribution network has the problem of low efficiencyTo address the problems, this paper proposes a cluster voltage control method for distributed photovoltaicThen, in each cluster, based on the control strategy of “reactive power compensation first, active powerthe voltage.

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     voltagecontrol     consumption capacity of distributed photovoltaics    

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Title Author Date Type Operation

Development and advances in modular multilevel converter based HVDC projects in China

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

Multiple target implementation for a doubly fed induction generator based on direct power control underunbalanced and distorted grid voltage

Heng NIAN,Yi-peng SONG

Journal Article

Fault tolerant control strategy for modular PWM current source inverter

Journal Article

Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Journal Article

Research of an Interleaved Low-Voltage/High-Current DC-DC Converter

Wang Ping,Sun Xu,Song Liangyu

Journal Article

Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniquesfor all voltage disturbances compensation

Salim CHENNAI,M-T BENCHOUIA

Journal Article

A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Journal Article

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

Yufei YUE, Qianming XU, Peng GUO, An LUO

Journal Article

Corrigendum to “Research on DC protection strategy in multi-terminal hybrid HVDC System” [Engineering

Yuping Zheng, Jiawei He, Bin Li, Tonghua Wu, Wei Dai, Ye Li

Journal Article

Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Journal Article

Large-Scale Renewable Energy Transmission by HVDC: Challenges and Proposals

Weisheng Wang, Guanghui Li, Jianbo Guo

Journal Article

Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Journal Article

Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Journal Article

Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Journal Article