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| 1 | Voltage regulation in LV grids by coordinated volt-var control strategies显示文摘The increasing penetration level of photovoltaic(PV)power generation in low voltage(LV)networks results in voltage rise issues,particularly at the end of the feeders.In order to mitigate this problem,several strategies,such as grid reinforcement,transformer tap change,demand-side management,active power curtailment,and reactive power optimization methods,show their contribution to voltage support,yet still limited.This paper proposes a coordinated volt-var control architecture between the LV distribution transformer and solar inverters to optimize the PV power penetration level in a representative LV network in Bornholm Island using a multi-objective genetic algorithm.The approach is to increase the reactive power contribution of the inverters closest to the transformer during overvoltage conditions.Two standard reactive power control concepts,cosu(P)and Q(U),are simulated and compared in terms of network power losses and voltage level along the feeder.As a practical implementation,a reconfigurable hardware is used for developing a testing platform based on real-time measurements to regulate the reactive power level.The proposed testing platform has been developed within PVNET.dk project,which targets to study the approaches for large PV power integration into the network,without the need of reinforcement. | Miguel JUAMPEREZ Guangya YANG Søren Bækhøj KJÆR | 2014 | Journal of Modern Power Systems and Clean Energy2014，2，4： | 10 |
| 2 | Voltage rise mitigation for solar PV integration at LV grids Studies from PVNET.dk显示文摘Solar energy from photovoltaic(PV)is among the fastest developing renewable energy systems worldwide.Driven by governmental subsidies and technological development,Europe has seen a fast expansion of solar PV in the last few years.Among the installed PV plants,most of them are situated at the distribution systems and bring various operational challenges such as power quality and power flow management.The paper discusses the modelling requirements for PV system integration studies,as well as the possible techniques for voltage rise mitigation at low voltage(LV)grids for increasing PV penetration.Potential solutions are listed and preliminary results are presented. | Guangya YANG Francesco MARRA Miguel JUAMPEREZ Søren Bækhøj KJÆR Seyedmostafa HASHEMI JacobØSTERGAARD Hans Henrik IPSEN Kenn H.B.FREDERIKSEN | 2015 | Journal of Modern Power Systems and Clean Energy2015，3，3： | 5 |
| 3 | Robot-assisted laparoscope fundoplication for gastroesophageal reflux disease:A systematic review of randomized controlled trials显示文摘 | Zhang P Tian JH Yang KJ | 2010 | Digestion2010，81，1： | 1 |
| 4 | HMG - 1 rediscovered as a cytokine显示文摘 | Yang H Wang H Tracey KJ | 2001 | Shock2001，15，4： | 1 |
| 5 | A male-specific expression gene,encodes a novel anionic antimicrobial peptide,acygonadin,in Scylla serrata显示文摘 | WANG KJ HUANG WS YANG M | 2007 | Mol Immunol2007，44，8： | 1 |
| 6 | Extracellular role of HMGB1 in inflammation and sepsis显示文摘 | Wang H Yang H Tracey KJ | 2004 | J Intern Med2004，255，3： | 1 |
| 7 | Inhibitory effect of butein on tumor necrosis factor alpha induced expression of cell ad hesion molecules in human lung epithelial cells via inhibition of reactive oxygen species generation,NF-kappaB activation and Akt phosphorylation显示文摘 | Jang JH Yang ES Min KJ | 2012 | Int J Mol Med2012，30，6： | 1 |
| 8 | Genomic organization and tissue-specific expression analysis of hepcidin-like genes from black porgy(Acanthopagrus schlegelii)显示文摘 | Yang M Wang KJ Chen JH | 2007 | Fish & Shellfish Immunology2007，23，5： | 1 |
| 9 | A computed tomography-based analysis of proximal femoral geometry for lateral impingement with two types of proximal femoral nail anterotation in subtrchanteric fractures显示文摘 | Tyagi V Yang JH Oh KJ | | 0，，： | 1 |
| 10 | Analysis of a TIR-less splice variant of TRIF reveals an unexpected mechanism of TLR3-mediated signaling显示文摘 | Han KJ Yang Y Xu LG | 2010 | J Biol Chem2010，285，12： | 1 |
| 11 | ExtraceUular role of HMGB1 in infla- mmation and sepsis 显示文摘 | Wang H Yang H Tracey KJ | 2004 | J Intern Med2004，255，3： | 1 |
| 12 | The dual-specific binding of dengue virus and target cells for the antibody-dependent enhancement of dengue virus infection显示文摘 | Huang KJ Yang YC Lin YS | | 0，，05： | 1 |
| 13 | Research progress on mechanism of action of Radix Astragalus in the treatment of heart failure显示文摘 | Yang QY Chen KJ Lu S | 2014 | Chin J Integr Med2014，18，3： | 1 |
| 14 | Comparison of ultrasound biomicro- scopic changes after glaucoma triple procedure and trabeculecto- my in eyes with primary angle closure glaucoma显示文摘 | Park SW Heo H Yang KJ | 2009 | J Glauco- ma2009，18，4： | 1 |
| 15 | Treatment results and prognostic factors of early breast cancer treated with a breast conserving operation and radiotherapy显示文摘 | Kim KJ Huh SJ Yang JH | 2005 | Jpn J Clin Oncol2005，35，3： | 1 |
| 16 | Y - configuration stentplacement (crossing and kissing) for endovascular treatment ofwide - neck cerebral aneurysms located at 4 different bifurcationsites显示文摘 | Zhao KJ Yang PF Huang QH | 2012 | AJNR Am J Neuroradiol2012，33，7： | 1 |
| 17 | Targeting HMGB1 in inflammation 显示文摘 | Yang H Tracey KJ | 2010 | Bioehim Biophys Aeta2010，1799，12： | 1 |
| 18 | A new technique for repositioning a posteriorly dislocated intraocular lens显示文摘 | Seo MS Yoon KC Yang KJ | 1998 | Ophthalmic Surg Lasers1998，29，2： | 1 |
| 19 | Targeting HMGB1 in inflammation显示文摘 | Yang H Tracey KJ | 2010 | Biochem Biophys Acta2010，1799，12： | 1 |
| 20 | Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum显示文摘 | Wang KJ Zhang YJ Yang CR | 2005 | J Ethnopharm2005，96，3： | 1 |
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