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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: with weak grid connections, where the wind turbines (WTs) are controlled by a new type of converter controlstrategy 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.of 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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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: The 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 powerlater,” it employs an improved differential evolution (IDE) algorithm based on Cauchy disturbance to controlthe voltage.

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

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DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 345-354 doi: 10.1007/s11708-014-0330-x

Abstract: This paper proposes an indirect power control of doubly fed induction generator (DFIG) with the rotorAn original control strategy based on a variable structure control theory, also called sliding mode control, is applied to achieve the control of the active and reactive power exchanged between the stator ofA proportional-integral-(PI) controller is used to keep the DC-link voltage constant for a back-to-back

Keywords： doubly fed induction generator (DFIG)     wind turbine     back-to-back pulse width modulation (PWM)     DC-link voltage     sliding mode control    

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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)such as voltage sags, swells, unbalances and harmonics.The DC voltage is maintained constant using proportional integral voltage controller.The shunt and series APF reference signals derived from the control algorithm and sensed signals areTo improve the UPQC capability, fuzzy logic techniques are introduced to control the series APF.

Keywords： inverter     unified power quality conditioner (UPQC)     current harmonics mitigation     fuzzy logic controller     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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quality improvement using fuzzy logic controller for five-level shunt active power filter under distorted voltage

Amar BENAISSA,Boualaga RABHI,Ammar MOUSSI

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 212-220 doi: 10.1007/s11708-013-0284-4

Abstract: eliminate harmonics drawn from a thyristor rectifier feeding an inductive load (RL) under distorted voltageThe APF control strategy is based on the use of self-tuning filters (STF) for reference current generationThe use of STF instead of classical extraction filters allows extracting directly the voltage and currentThe MATLAB fuzzy logic toolbox is used for implementing the fuzzy logic control algorithm.controller has produced a sinusoidal supply current with low harmonic distortion and in phase with the line voltage

Keywords： active power filter (APF)     harmonics isolator     distorted voltage conditions     self-tuning filters (STF)     fuzzylogic control    

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Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distribution

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 47-56 doi: 10.1007/s11708-011-0159-5

Abstract: The second stage is to estimate the bus voltage magnitude, where real time measurement is conducted andthrough identified meter location which is more essential for decision making in distribution supervisory controlthe swarm tuned artificial neural network (ANN) estimator is best suited for accurate estimation of voltage

Keywords： artificial intelligence     power distribution control     state estimation    

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New Cuk Matrix Converter with High Voltage Transfer Ratio

Zhang Xiaoping,Zhu Jianlin,Tang Huaping,Zhang Binggen,Liu Shasha

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 78-83

Abstract:

The drawback of classical matrix converter having low voltage transferand its fundamental are firstly introduced, the analytic expression concerning functions relation of voltagetransfer ratio to duty cycle is deduced, and the basic design method of double-loop control strategyand frequency can be modulated optionally by the new converter, of which the voltage transfer ratioThus the inherent problem of classical matrix converter having low voltage transfer ratio is effectively

Keywords： Cuk matrix converter     circuit topology     voltage transfer ratio     double-loop control     simulation    

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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: implementation technique for a doubly fed induction generator (DFIG) under unbalanced and distorted grid voltagebased on direct power control (DPC).Based on the mathematical model of DFIG under unbalanced and distorted voltage, the proportional andand harmonic sequence decomposition of grid voltage nor complicated control reference calculation isdeveloped to validate the availability of the proposed DPC strategy under unbalanced and distorted grid voltage

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

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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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A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 119-128 doi: 10.1007/s11708-013-0288-0

Abstract: A novel and simple control algorithm using digital signal processor (DSP) has been proposed and realizedThis reduces the computational complexity and makes the control flexible and faster.MATLAB/SIMULINK while DSP TMS320LF2407 is employed in the digital implementation of hysteresis current control

Keywords： shunt active filter (SAF)     power quality     voltage source inverter (VSI)     digital signal processor (DSP)    

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Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 411-426 doi: 10.1007/s11465-018-0467-0

Abstract: improving efficiency and grid-side power quality, an efficient SSTT optimized topology combining high-voltageOn this basis, an integrated control strategy built upon synchronous rotating reference frame is presentedto achieve unified control over fundamental active, reactive and harmonic components.system, the mathematical model of secondary power transfer is built, and the mechanism of pulsating voltageSimulation and experimental results have verified that the traction system and control scheme mentioned

Keywords： solid-state traction transformer     high-voltage cascaded rectifier     LLC resonant converter     synchronous rotatingreference frame     carrier-interleaving phase shift control     secondary pulsating voltage     beat frequency    

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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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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: In 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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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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Title Author Date Type Operation

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

Journal Article

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

Journal Article

DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

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

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

Yufei YUE, Qianming XU, Peng GUO, An LUO

Journal Article

quality improvement using fuzzy logic controller for five-level shunt active power filter under distorted voltage

Amar BENAISSA,Boualaga RABHI,Ammar MOUSSI

Journal Article

Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distribution

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Journal Article

New Cuk Matrix Converter with High Voltage Transfer Ratio

Zhang Xiaoping,Zhu Jianlin,Tang Huaping,Zhang Binggen,Liu Shasha

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

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

A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Journal Article

Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

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

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

Tong Zhang, Elie Paillard

Journal Article

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

Journal Article