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| 1 | Protection Challenges Under Bulk Penetration of Renewable Energy Resources in Power Systems:A Review显示文摘Among different sources of alternate energy,wind and solar are two prominent and promising alternatives to meet the future electricity needs for mankind.Generally,these sources are integrated at the distribution utilities to supply the local distribution customers.If the power generated by these sources is bulk,then they are either integrated at the distribution/transmission level or may be operated in an island mode if feasible.The integration of these renewables in the power network will change the fault level and network topologies.These fault levels are intermittent in nature and existing protection schemes may fail to operate because of their pre-set condition.Therefore,the design and selection of a proper protection scheme is very much essential for reliable control and operation of renewable integrated power systems.Depending upon the level of infeed and location of the renewable integration,the protection requirements are different.For low renewable infeed at the distribution level,the existing relay settings are immune from any small change in the network fault current from new incoming renewables.However,bulk renewable infeed requires modification in the existing protection schemes to accommodate the fault current variation from the incoming renewables.For bulk penetration of the renewable,the requirement of modified/additional protection schemes is unavoidable.Adaptive relaying and non-adaptive relaying schemes are discussed in the literature for protection of power networks,which are experiencing dynamic fault currents and frequent changing network topologies.This article presents a detailed review of protection schemes for renewable integrated power networks which includes distribution,transmission and microgrid systems.The merits and demerits of these protection schemes are also identified in this article for the added interest of the readers.The visible scope of advance protection schemes which may be suitable for providing reliable protection for dynamic fault current networks is also explored. | Vishnuvardhan Telukunta Janmejaya Pradhan Anubha Agrawal Manohar Singh | 2017 | CSEE Journal of Power and Energy Systems2017,3,4: | 33 |
| 2 | Surface energy balance on the Antarctic plateau as measured with an automatic weather station during 2014显示文摘AWS data during 2014 collected at PANDA-N station, on the East Antarctic Plateau, are analysed. Net Short Wave Radiation(QSWR), net Long Wave Radiation(QLWR), sensible(QH), latent(QL) and subsurface or ground(QG) heat fluxes are computed. Annual averages for QSWR, QLWR, QH, QL and QG of 19.65,-49.16, 26.40,-0.77 and 3.86 W·m-2 were derived based on an albedo value of 0.8. QSWR and QH are the major sources of heat gain to the surface and QLWR is the major component of heat loss from the surface. An i terative method is used to estimate surface temperature in this paper;surface temperature of snow/ice is gradually increased or decreased, thereby changing longwave radiation, sensible, latent and subsurface heat fluxes, so that the net energy balance becomes zero. Mass loss due to sublimation at PANDA-N station for 2014 is estimated to be 12.18 mm w.e.·a-1;and mass gain due to water vapour deposition is estimated to be 3.58 mm w.e.·a-1. Thus the net mass loss due to sublimation/deposition is 8.6 mm w.e.·a-1. This study computes surface energy fluxes using a model, instead of direct measurements. Also there are missing data especially for wind speed, though 2 m air temperature data is almost continuously available throughout the year. The uncertainties of albedo, wind speed and turbulent fluxes cause the most probable error in monthly values of QLWR, QH, QL, QG and surface temperature of about ±4%, ±20%, ±50%, ±11% and ±0.74 K respectively. | DING Minghu Anubha AGRAWAL Petra HEIL YANG Diyi | 2019 | Advances in Polar Science2019,30,2: | 3 |
| 3 | Development and Characterization of Sol-gel Derived Al Doped ZnO/p-Si Photodiode显示文摘The effect of Al doping on the J-V characteristics sol-gel derived of ZnO/p-Si photodiodes was investigated.The resistivity of Si was 0.1Ω·cm.ZnO films annealed at 500℃ were of the best quality.To investigate the spectral response of the photodiodes,the J-V characteristics were measured under different monochromatic lights at wavelength 420,530,570 and 630 nm.The diodes exhibit strong responsivity in the blue region at 420 nm.The responsivity is 0.22 A/W for Al doped (0.8 wt pct) photodiode,whereas for the undoped photodiode,it was much lower.An estimate of the responsivity as a function of wavelength has been made in terms of the width of depletion region of photodiodes. | Babita Gupta Anubha Jain R.M.Mehra | 2010 | Journal of Materials Science & Technology2010,26,3: | 2 |
| 4 | Optimization of chelators to enhance uranium uptake from tailings for phytoremediation显示文摘 | Bhagawatilal Jagetiya Anubha Sharma | 2012 | Chemosphere2012,,: | 1 |
| 5 | Variable step-size LMS algorithm for fractal signals显示文摘 | Anubha G Shiv D J | | 0,,04: | 1 |
| 6 | Variable Step-SizeLMS Algorithm for Fractal Signals 显示文摘 | Anubha Gupta ShivDutt Joshi | 2008 | Ieee Transactionson Signal Processing2008,56,4: | 1 |
| 7 | Response surface methodological approach for optimizing removal of Cr(VI) from aqueous solution using immobilized cyanobacterium 显示文摘 | Bala Kiran Anubha Kaushik Kaushik C P | 2006 | Chemical Engineering Journal2006,23,6: | 1 |
| 8 | Assessment of heavy metal tolerance in native plant species from soils contaminated with electroplating effluent显示文摘 | Poonam Ahlawat Sainger Rajesh Dhankhar Manish Sainger Anubha Kaushik Rana Pratap Singh | 2011 | Ecotoxicology and Environmental Safety2011,,8: | 1 |
| 9 | Response surface methodological approach for optimizing removal of Cr (V/) from aqueous solution using immobilized cyanobacterium显示文摘 | Bala Kiran Anubha Kaushik Kaushik C P | 2007 | Chemical Engineeringdournal2007,126,23: | 1 |
| 10 | 显示文摘 | Bala Kiran Anubha Kaushik | 2006 | Chemical Engineering Jour- nal2006,23,6: | 1 |
| 11 | Essential oil constituents and RAPD markers to establish species relationship in Cymbopogon Spreng. (Poaceae)显示文摘 | Suman P.S. Khanuja Ajit K. Shasany Anubha Pawar R.K. Lal M.P. Darokar A.A. Naqvi S. Rajkumar V. Sundaresan Nirupama Lal Sushil Kumar | 2004 | Biochemical Systematics and Ecology2004,,: | 1 |
| 12 | Evaluation of DOK5 as a susceptibility gene for type 2 diabetes and obesity in North Indian population显示文摘 | Tabassum Rubina Mahajan Anubha Chauhan Ganesh | 2010 | BMC Medical Genetics2010,11,1: | 1 |
| 13 | Biosorption of Cr( Ⅵ ) by immobilized biomass of two indigenous strains of cyanobacteria isolated from metal contaminated soil显示文摘 | Kamra Anjana Anubha Kaushik Bala Kiran | 2007 | Journal of Hazardous Materials2007,148,12: | 1 |
| 14 | Response surface methodological approach for optinizing removal of Cr (V1) from aqueous solution using immobilized cyannobacterium显示文摘 | Bala Kiran Anubha Kaushik Kaushik C P | 2006 | Chemical Engineering Journal2006,23,6: | 1 |
| 15 | Response surface methodological approach for optimizing removal of Cr(Ⅵ)from aqueous solution using immobilized cyanobacterium显示文摘 | Bala Kiran Anubha Kaushik Kaushik C P | 2006 | Chemical Engineering Journal2006,23,6: | 1 |
| 16 | Larvicidal efficacy of the Citrus limetta peel extracts against Indian strains of Anopheles stephensi Liston and Aedes aegypti L.显示文摘 | Sarita Kumar Radhika Warikoo Monika Mishra Anubha Seth Naim Wahab | 2012 | Parasitology Research2012,,1: | 1 |
| 17 | Response surface methodological approach for op tmizing removal of Cr(Ⅵ) from aqueous solution using immobilized eyannobacterium显示文摘 | Bala Kiran Anubha Kaushik Kaushik C P | 2006 | Chemical Engineering Journal2006,23,6: | 1 |
| 18 | A new method of estimating wavelet with desired features from a given signal 显示文摘 | ANUBHA GUPTA SHIV DUTT JOSHI SURENDRA PRASAD | 2005 | Signal Processing2005,85,: | 1 |
| 19 | Response surface methodological approach for optimizing removal of Cr (VI) from aqueous solution using immobilized cyanobacterium显示文摘 | Bala Kiran Anubha Kaushik C.P. Kaushik | 2006 | Chemical Engineering Journal2006,,2: | 1 |
| 20 | Role of Cannomys badius as a Natural Animal Host of Penicillium marneffei in India显示文摘 | Matthew C F Anubha Paliwal-Johsi | 2004 | Journal of Clinical Microbiology2004,11,: | 1 |