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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 systemIn this paper, simulation modeling of the system frequency was conducted of an interconnected power systemThe results of this paper can provide reference for the stability research of HV power grid.

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

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Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Frontiers in Energy doi: 10.1007/s11708-023-0912-6

Abstract: However, the uncertainty of RES poses challenges to the safe and stable operation of DCs and power gridsIn this paper, a multi-timescale optimal scheduling model is established for interconnected data centersoptimization stage aims at the lowest intraday economic cost, and the real-time correction aims at the lowest powerThe simulation results show that the economic loss is reduced by 19.6%, and the power fluctuation is

Keywords： model predictive control     interconnected data center     multi-timescale     optimized scheduling     distributedpower supply     landscape uncertainty    

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Optimal redundant placement of PMUs in Indian power grid — northern, eastern and north-eastern regions

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 413-428 doi: 10.1007/s11708-013-0274-6

Abstract: Renovation of conventional Indian power grid to a SG necessitates incorporation of the phasor measurementunits (PMUs) in the present power grid measurement and monitoring system.optimal redundant geographical locations in the northern, eastern and north-eastern regions of Indian powergrid for PMU placement.The results proposed in this paper can be a stepping stone for revamping the Indian power grid to a SG

Keywords： phasor measurement unit (PMU)     smart grid (SG)     Indian power grid     northern region Indian power grid (NRIPG)     eastern region Indian power grid (ERIPG)     north-eastern region Indian power grid (NERIPG)     redundancy    

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Optimal placement of PMUs for the smart grid implementation in Indian power grid—A case study

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 358-372 doi: 10.1007/s11708-013-0257-7

Abstract: The concept of smart grid (SG) can provide a highly reliable power system with optimized utilizationThe present Indian power grid requires revolutionary changes to meet the growing demands and to makethe grid smarter and reliable.flows at all buses in the grid.This paper proposes the optimal geographical locations for the PMUs in southern region Indian power grid

Keywords： phasor measurement units (PMUs)     smart grid (SG)     southern region Indian power grid (SRIPG)     integer linear    

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Integration of renewable energies, flexible loads and storages into the German power grid: Actual situationin German change of power system

Harald SCHWARZ, Xiaoshu CAI

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 107-118 doi: 10.1007/s11708-017-0470-x

Abstract: Starting from the late 1990’s, the German government decided to change the national electric power supplyattractive over-funding, more than 1.5 million renewable generation units were connected to the German gridAccording to the EEG, renewable generation units can feed to the grid wherever they are located and whenevergeneration always has to follow the demand—simply due to the limited availability of storages in the powerTherefore, a tremendous change is needed within the German power grid.

Keywords： grid integration     renewable energies     system stability     storages     flexible loads     new market design    

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Development Strategy for Energy System of Land Transport in China

Yang Yongping, Wu Ping, Cheng Peng, Shi Ruifeng, Tian Xinshou

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 153-162 doi: DOI 10.15302/J-SSCAE-2022.03.016

Abstract: of the energy system for land transport and proposed a novel system architecture, which consists of powerThree integrated scenarios—interconnected power grid, electrified transportation, and energy-transporta modern transport energy system that is dominated by renewable energies and supported by electric powerFurthermore, a new transport power system that integrates renewable energy generation, zero-carbon fuel

Keywords： land transport     transport energy system     interconnected power grid     electrified transportation     energy-transport    

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Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generatorin wind power system

Hicham SERHOUD, Djilani BENATTOUS

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 380-387 doi: 10.1007/s11708-013-0252-z

Abstract: mathematical model in a common synchronous reference frame of the brushless doubly-fed generator (BDFG), the gridThe test results during cutting-in grid confirmed the good dynamic performance of grid synchronizationand effective power control approach for the BDFG-based variable speed wind turbines.

Keywords： brushless doubly-fed generator (BDFG)     modeling     grid connection control     back-to-back pulse-width modulation(PWM) converter     wind power generation    

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Exploration of interconnected factory mode: Haier Jiaozhou Air Conditioner Interconnected Factory

Yunjie ZHOU

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 500-503 doi: 10.15302/J-FEM-2017105

Keywords： interconnected factory mode     user-centered     mass customization     interconnection    

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THD reduction with reactive power compensation for fuzzy logic DVR based solar PV grid connected system

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 464-479 doi: 10.1007/s11708-014-0307-9

Abstract: In this paper, a new control approach for the 200 kW solar photovoltaic grid connected system with perturband observe maximum power point tracking (MPPT) technique is implemented.with less total harmonic distortion (THD) present in voltage source converter (VSC) current and gridcurrent with fast tracking of optimum operating point at unity power factor.Standards (IEEE-519/1547), stipulates that the current with THD greater than 5% cannot be injected into the grid

Keywords： fuzzy logic     maximum power point tracking (MPPT)     proportional integral (PI)     control     voltage restorer    

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Possible role of power-to-vehicle and vehicle-to-grid as storages and flexible loads in the German 110kV distribution grid

Erik BLASIUS

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 146-154 doi: 10.1007/s11708-017-0475-5

Abstract: The sectoral coupling of road traffic (in form of E-Mobility) and electrical energy supply (known as power-to-vehicle(P2V), vehicle-to-grid (V2G) is discussed as one of the possible development concepts for the flexibleAt the same time, the E-mobility can help to reduce the negative effects of the grid integration of RESperiods, the effects can hardly be controlled and can lead to serious technical problems in practical gridBy the combination of both sectors, the possible role of the E-mobility for the distribution grid will

Keywords： P2V     V2G     grid integration     electric vehicles     distribution grid    

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Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 175-183 doi: 10.1007/s11708-017-0471-9

Abstract: To take full advantage of the environmental benefits of wind energy, wind power forecasting has to bePower forecasting for regional wind farm groups is the problem that many power system operators carelocally weighted learning method is also proposed to utilize the processed feature set to produce the power

Keywords： regional wind power forecasting     feature set     minimal-redundancy-maximal-relevance (mRMR)     principal component    

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Performance of PI controller for control of active and reactive power in DFIG operating in a grid-connected

Azzouz TAMAARAT,Abdelhamid BENAKCHA

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 371-378 doi: 10.1007/s11708-014-0318-6

Abstract: The objective of this work is to present the modeling and control strategy of a grid connected wind powerintroduce the vector control, which makes it possible to control independently the active and reactive powerexchanged between the stator of the generator and the grid, based on vector control concept (with statorIt is also interesting to play on the quality of electric power by controlling the reactive power exchangedwith the grid, which will facilitate making a local correction of power factor.

Keywords： wind power     doubly fed induction generator (DFIG)     vector control     active power     reactive power     maximum power    

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Influence and hazard of disastrous space weather on power grid in China

liu Lianguang

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 29-33

Abstract:

The measured data of GIC in Guangdong Lingao 500 kV power networks duringmagnetic storms at the peak of 23rd Solar Cycle, the GIC calculation results of 2010 750 kV planning powergrid in Shanxi, Gansu, Qinghai and Ningxia, the structure and characteristics of power networks fromThrough the analysis, the possible impacts of extreme space weather on the future UHV, large-scale power

Keywords： space weather     magnetic storm     GIC     UHV     power grid safety    

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Improved resilience measure for component recovery priority in power grids

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 545-556 doi: 10.1007/s42524-021-0161-5

Abstract: Given the complexity of power grids, the failure of any component may cause large-scale economic lossesConsequently, the quick recovery of power grids after disasters has become a new research direction.Considering the severity of power grid disasters, an improved power grid resilience measure and its correspondinggrid resilience.power grid resilience after a disaster is analyzed for two situations, namely, partial components failure

Keywords： resilience measure     power grid     importance measure     component recovery    

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Ice hazard on the grid analysis of disaster and emergency power grid construction of the platform

Zhu Youliang,Liang Wen​​​​​​​,Yang Jihai,Tao Zhenwen​​​​​​​,Ma Yong,Liu Xianming

Strategic Study of CAE 2010, Volume 12, Issue 3,   Pages 61-67

Abstract: course of the disaster is analysed,and detailed technical thought in the emergency management about powergrid is also given .

Keywords： power grid     ice disaster     emergency management    

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Title Author Date Type Operation

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

Multi-timescale optimization scheduling of interconnected data centers based on model predictive control

Journal Article

Optimal redundant placement of PMUs in Indian power grid — northern, eastern and north-eastern regions

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Journal Article

Optimal placement of PMUs for the smart grid implementation in Indian power grid—A case study

Pathirikkat GOPAKUMAR, G. Surya CHANDRA, M. Jaya Bharata REDDY, Dusmata Kumar MOHANTA

Journal Article

Integration of renewable energies, flexible loads and storages into the German power grid: Actual situationin German change of power system

Harald SCHWARZ, Xiaoshu CAI

Journal Article

Development Strategy for Energy System of Land Transport in China

Yang Yongping, Wu Ping, Cheng Peng, Shi Ruifeng, Tian Xinshou

Journal Article

Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generatorin wind power system

Hicham SERHOUD, Djilani BENATTOUS

Journal Article

Exploration of interconnected factory mode: Haier Jiaozhou Air Conditioner Interconnected Factory

Yunjie ZHOU

Journal Article

THD reduction with reactive power compensation for fuzzy logic DVR based solar PV grid connected system

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Journal Article

Possible role of power-to-vehicle and vehicle-to-grid as storages and flexible loads in the German 110kV distribution grid

Erik BLASIUS

Journal Article

Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Journal Article

Performance of PI controller for control of active and reactive power in DFIG operating in a grid-connected

Azzouz TAMAARAT,Abdelhamid BENAKCHA

Journal Article

Influence and hazard of disastrous space weather on power grid in China

liu Lianguang

Journal Article

Improved resilience measure for component recovery priority in power grids

Journal Article

Ice hazard on the grid analysis of disaster and emergency power grid construction of the platform

Zhu Youliang,Liang Wen​​​​​​​,Yang Jihai,Tao Zhenwen​​​​​​​,Ma Yong,Liu Xianming

Journal Article