Journal and Conference Papers

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Author Title Publication Year
S. Ali; A. Ali; S. Saher; H. Agha; H. Majeed; F. Mahmood; G. TamizhMani A Comprehensive Study Of 18–19 Years Field Aged Modules For Degradation Rate Determination Along With Defect Detection And Analysis Using IR, EL, UV 2018 15th International Bhurban Conference on Applied Sciences and Technology (IBCAST) 2018
B. Bora; J. Oh; S Tatapudi ; O. Sastry; R. Kumar; B. Prasad; G. TamizhMani Mitigation Of PID In Commercial PV Modules Using Current Interruption Method 2017 SPIE 10370, Reliability of Photovoltaic Cells, Modules, Components, and Systems X 2017
F. Mahmood;S. Ali; H. Agha; H. Majeed; S. Tatapudi; G. TamizhMani Temperature Coefficient Of Power (Pmax) Of Field Aged PV Modules: Impact On Performance Ratio And Degradation Rate Determinations 2017 SPIE 10370, Reliability of Photovoltaic Cells, Modules, Components, and Systems X 2017
A. Pavgi; J. Oh; J. Kuitche; S. Tatapudi; G. TamizhMani Thermal Uniformity Mapping of PV Modules and Plants 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
A. Pavgi; J. Oh; J. Kuitche; G. TamizhMani Climate-specific Thermal Model Coefficients for c-Si and Thin-Film PV Modules 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
C. Raupp; G. TamizhMani Annual Degradation Rate and its Linearity Analysis using Metered kWh Data 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
A. Tummala; J. Oh; S. Tatapudi; G. TamizhMani Degradation of Solder Bonds in Field Aged PV Modules: Correlation with Series Resistance Increase 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
L. Simpson; M. Miller; M. Deceglie; H. Moutinho; C. Jensen; C. Jiang; D. Miller; L. Micheli; G. Tamizhmani; S. Tatapudi; M. Al-Jassim; S. Toth NREL Efforts to Address Soiling on PV Modules 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
D. Escobar; P. Pérez; J. Cruz; R. Magdaleno; S. Tatapudi; A.Juárez; G. TamizhMani Field Degradation and Failures of Crystalline Silicon PV Modules in Mexico 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
C. Castañeda; S. Chattapadhyay; J. Oh; S. Tatapudi; G. TamizhMani; H. Hu Field Inspection of PV Modules: Quantitative Determination of Performance Loss due to Cell Cracks using EL Images 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
S. Chattopadhyay; C. Solanki; A. Kottantharayil; K. Narasimhan; J. Vasi; S. Tatapudi; G. TamizhMani Quantification of PV Module Discoloration using Visual Image Analysis 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
S. Gudla; G. TamizhMani Field Inspection of PV Modules: Quantification of EVA Browning Level using an Image Processing Tool 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC) 2017
J. Oh; G. TamizhMani; S. Bowden Surface Disruption Method With Flexible Glass to Prevent Potential-Induced Degradation of the Shunting Type in PV Modules IEEE Journal of Photovoltaics 2017
J. Flicker; G. Tamizhmani; M. K. Moorthy; R. Thiagarajan; Raja Ayyanar Accelerated Testing of Module-Level Power Electronics for Long-Term Reliability IEEE Journal of Photovoltaics 2017
J J. Oh; B. Dauksher; S. Bowden; G. Tamizhmani; P. Hacke; J. D'Amico Further Studies on the Effect of SiNx Refractive Index and Emitter Sheet Resistance on Potential-Induced Degradation IEEE Journal of Photovoltaics 2017
G. TamizhMani; B. King; A. Venkatesan; C. Deline; A. Pavgi; S. Tatapudi; J. Kuitche; A. Chokor; M. E. Asmar Regional soiling stations for PV: Soling loss analysis 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
M. K. Moorthy; G. TamizhMani Automation of risk priority number calculation of photovoltaic modules 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
N. Umachandran; G. TamizhMani < Effect of spatial temperature uniformity on outdoor photovoltaic module performance characterization 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
J. Oh; S. Dahal; B. Dauksher; S. Bowden; G. Tamizhmani; P. Hacke A novel technique for performing PID susceptibility screening during the solar cell fabrication process 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
M. Chicca; J. Wohlgemuth; G. TamizhMani Comparative study of 28 and 18 years field aged Siemens-Arco M55 modules in temperate and hot-dry climates 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
S. Tatapudi; C. Libby; C. Raupp; D. Srinivasan; J. Kuitche; B. Bicer; G. TamizhMani Defect and safety inspection of 6 PV technologies from 56,000 modules representing 257,000 modules in 4 climatic regions of the United States 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
J. J. John; S. Warade; G. Tamizhmani; A. Kottantharayil Study of Soiling Loss on Photovoltaic Modules With Artificially Deposited Dust of Different Gravimetric Densities and Compositions Collected From Different Locations in India 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
C. Raupp; C. Libby; S. Tatapudi; D. Srinivasan; J. Kuitche; B. Bicer; G. TamizhMani Degradation rate evaluation of multiple PV technologies from 59,000 modules representing 252,000 modules in four climatic regions of the United States 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) 2016
M. Naeem; G. Tamizhmani Climatological relevance to the soiling loss of photovoltaic modules 2015 Saudi Arabia Smart Grid (SASG) 2015
C. Raupp; S. Tatapudi; B. Bicer; G. TamizhMani Performance and reliability evaluation of concentrated photovoltaic (CPV) power plants 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
M. Chicca; G. TamizhMani Nondestructive techniques to determine degradation modes: Experimentation with 18 years old photovoltaic modules 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
J. Oh; S. Bowden; G. TamizhMani; P. Hacke Quantum efficiency loss after PID stress: Wavelength dependence on cell surface and cell edge 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
S. Shrestha; G. TamizhMani Selection of best methods to calculate degradation rates of PV module 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
N. Umachandran; J. Kuitche; G. TamizhMani Statistical methods to determine dominant degradation modes of fielded PV modules 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
S. Boppana; V. Rajasekar; G. TamizhMani Working towards the development of a standardized artificial soiling method 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
J. Oh; G. TamizhMani; S. Bowden; S. Garner Application of flexible glass to prevent PID in PV modules 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
V. Rajasekar; S. Boppana; G. TamizhMani Angle of incidence effect on five soiled modules from five different PV technologies 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
M. Naeem; G. TamizhMani Cleaning frequency optimization for soiled photovoltaic modules 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
B. King; G. TamizhMani; S. Tatapudi; V. Rajasekar; S. Boppana Regional soiling stations for PV: Design, calibration and installation 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC) 2015
J. J. John; V. Rajasekar; S. Boppana; S. Chattopadhyay; A. Kottantharayil; G. TamizhMani Quantification and Modeling of Spectral and Angular Losses of Naturally Soiled PV Modules IEEE Journal of Photovoltaics 2014
J. Oh; S. Bowden; G. TamizhMani Potential-Induced Degradation (PID): Incomplete Recovery of Shunt Resistance and Quantum Efficiency Losses IEEE Journal of Photovoltaics 2014
P. Hacke; K. Terwilliger; S. Glick; G. Tamizhmani; S. Tatapudi; C. Stark; S. Koch; T. Weber; J. Berghold; S. Hoffmann; M. Koehl; S. Dietrich; M. Ebert; G. Mathiak Interlaboratory Study to Determine Repeatability of the Damp-Heat Test Method for Potential-Induced Degradation and Polarization in Crystalline Silicon Photovoltaic Modules IEEE Journal of Photovoltaics 2014
S. M. Shrestha; J. K. Mallineni; K. R. Yedidi; B. Knisely; S. Tatapudi; J. Kuitche; G. TamizhMani Determination of Dominant Failure Modes Using FMECA on the Field Deployed c-Si Modules Under Hot-Dry Desert Climate IEEE Journal of Photovoltaics 2014
J. J. John; V. Rajasekar; S. Boppana; S. Tatapudi; G. TamizhMani Angle Of Incidence Effects On Soiled PV Modules 2014 SPIE 9179, Reliability of Photovoltaic Cells, Modules, Components, and Systems VII 2014
B. Knisely; J. Kuitche; G. TamizhMani; A. Korostyshevsky; H. Field Non-intrusive cell quantum efficiency measurements of accelerated stress tested photovoltaic modules 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
S. V. Janakeeraman; J. Singh; J. Kuitche; J. K. Mallineni; G. TamizhMani A statistical analysis on the cell parameters responsible for power degradation of fielded pv modules in a hot-dry climate 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
J. Oh; S. Bowden; G. TamizhMani Application of reverse bias recovery technique to address PID issue: Incompleteness of shunt resistance and quantum efficiency recovery 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
J. M. Kuitche; R. Pan; G. TamizhMani Investigation of Dominant Failure Mode(s) for Field-Aged Crystalline Silicon PV Modules Under Desert Climatic Conditions IEEE Journal of Photovoltaics 2014
J. Cano; J. J. John; S. Tatapudi; G. TamizhMani Effect of tilt angle on soiling of photovoltaic modules 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
J. Oh; G. TamizhMani; S. Bowden Scaling error of quantum efficiency measurements for heavily shunted cells in reliability research 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
J. J. John; S. Tatapudi; G. Tamizhmani Influence of soiling layer on quantum efficiency and spectral reflectance on crystalline silicon PV modules 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) 2014
J. Singh; J. Belmont; G. TamizhMani Degradation analysis of 1900 PV modules in a hot-dry climate: Results after 12 to 18 years of field exposure 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2013
B. Knisely; S. V. Janakeeraman; J. Kuitche; G. TamizhMani Validation of IEC 61853-2 standard (Draft): Angle of incidence effect on photovoltaic modules 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2013
M. G. Vemula; J. J. John; J. Kuitche; G. Tamizhmani Power rating of photovoltaic modules per IEC 61853-1 standard using a new outdoor test method 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2013
S. Tatapudi; F. Ebneali;G. TamizhMani Potential induced degradation of pre-stressed photovoltaic modules: Effect of glass surface conductivity disruption 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2013
F. Ebneali; S. Tatapudi; G. TamizhMani Potential induced degradation of pre-stressed photovoltaic modules: Influence of polarity, surface conductivity and temperature 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2013
J. M. Kuitche; R. Pan; G. TamizhMani Statistical Analysis Of 10+ Years Field Exposed C-Si Modules Performance Degradation 2012 PIE. 8472, Reliability of Photovoltaic Cells, Modules, Components, and Systems V 2012
J. M. Kuitche; R. Pan; G. TamizhMani Statistical analysis of back surface vs. cell temperatures of c-Si modules using measurement error models 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) 2012
M. D. Kempe; D. C. Miller; J. H. Wohlgemuth; S. R. Kurtz; J. M. Moseley; Q. Shah; G. Tamizhmani; K. Sakurai; M. Inoue; T. Doi; A. Masuda; S. L. Samuels; C. E. Vanderpan A field evaluation of the potential for creep in thermoplastic encapsulant materials 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) 2012
S. Goranti; G. TamizhMani Potential induced degradation (PID) study on accelerated stress tested PV modules 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) 2012
J. M. Kuitche; V. Sharma; J. Oh; R. Pan; G. TamizhMani Statistical analysis of commercial c-Si PV module photovoltaic efficiency distribution over 10-years period 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) 2012
S. Chatterjee; G. TamizhMani BAPV arrays: Side-by-side comparison with and without fan cooling 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) 2012
K. Paghasian; G. TamizhMani Photovoltaic module power rating per IEC 61853–1: A study under natural sunlight 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
A. Suleske; J. Singh; J. Kuitche; G. TamizhMani Performance Degradation Of Grid-Tied Photovoltaic Modules In A Hot-Dry Climatic Condition 2011 SPIE 8112, Reliability of Photovoltaic Cells, Modules, Components, and Systems IV 2011
K. Koka; G. TamizhMani Automatic performance matrix generation as per IEC 61853–1 standard using only monitored outdoor MPPT data 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
S. B. A. Venkataramanan; R. Ayyanar; G. Maracas; G. Tamizhmani; M. Marinella; J. Granata Gap analysis towards a design qualification standard development for grid-connected photovoltaic inverters 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
R. Pan; J. Kuitche; G. Tamizhmani Automatic performance matrix generation as per IEC 61853–1 standard using only monitored outdoor MPPT data 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
K. Koka; G. TamizhMani Automatic performance matrix generation as per IEC 61853–1 standard using only monitored outdoor MPPT data 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
K. Koka; G. TamizhMani Automatic performance matrix generation as per IEC 61853–1 standard using only monitored outdoor MPPT data 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
C. Deline; J. del Cueto; D. S. Albin; C. Petersen; L. Tyler; G. TamizhMani hMani Transient response of cadmium telluride modules to light exposure 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
B. Schams; G. TamizhMani BAPV modules with different air gaps: Effect of temperature on relative energy yield and lifetime 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
J. Hrica; S. Chatterjee; G. TamizhMani BAPV array: Thermal modeling and cooling effect of exhaust fan 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
J. Oh; G. TamizhMani BAPV modules: Installed-NOCT and temperature coefficients after 1-year exposure 2011 IEEE 37th Photovoltaic Specialists Conference (PVSC) 2011
J. Oh; G. TamizhMani; E. Palomino Temperatures Of Building Applied Photovoltaic (BAPV) Modules: Air Gap Effects< 2010 SPIE 7773, Reliability of Photovoltaic Cells, Modules, Components, and Systems III 2010
J. K. Mathew; J. Kuitche; G. TamizhMani Test-to-failure of PV modules: Hotspot testing< 2010 IEEE 35th Photovoltaic Specialists Conference (PVSC) 2010
J. Oh; G. TamizhMani Temperature testing and analysis of PV modules PER ANSI/UL 1703 and IEC 61730 standards 2010 IEEE 35th Photovoltaic Specialists Conference (PVSC) 2010
R. Lad; J. Wohlgemuth; G. TamizhMani Outdoor energy ratings and spectral effects of photovoltaic modules 2010 IEEE 35th Photovoltaic Specialists Conference (PVSC) 2010