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2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)最新文献

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Outdoor performance comparison of concentrator photovoltaic and flat-plate systems 聚光光伏与平板系统室外性能比较
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7355822
K. Imai, Y. Ota, K. Nishioka
{"title":"Outdoor performance comparison of concentrator photovoltaic and flat-plate systems","authors":"K. Imai, Y. Ota, K. Nishioka","doi":"10.1109/PVSC.2015.7355822","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7355822","url":null,"abstract":"Output characteristics of tracking type concentrator photovoltaic (CPV) system, multi-crystalline silicon (mc-Si) PV system, and CIGS PV system were analyzed in the data period of a year from August 2013 to July 2014. In this study, we analyzed the influence of environmental factors using average photon energy (APE) and temperature of solar cell (Tcell). The characteristics of 14 kW CPV system, 50 kW multi-crystalline silicon PV system, 60 kW CIGS PV system were evaluated and compared. As a result, the output performance of CPV was highest between the three systems at the most frequent conditions of outdoor environment.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122404251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The growth model of CdTe thin film by close spaced sublimation CdTe薄膜的紧密间隔升华生长模型
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7355909
G. Liu, Zimeng Cheng, G. Georgiou, K. Chin
{"title":"The growth model of CdTe thin film by close spaced sublimation","authors":"G. Liu, Zimeng Cheng, G. Georgiou, K. Chin","doi":"10.1109/PVSC.2015.7355909","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7355909","url":null,"abstract":"Close spaced sublimation (CSS) has attractive features for high-rate deposition of CdS/CdTe thin film solar modules. CSS has been successfully implemented in commercial production of CdTe solar panels with size of 0.6 m × 1.2 m and 1.2 m × 1.6 m. A CSS growth model is a useful tool to guide the CdTe thin film deposition and the design of CSS. In this paper, a growth model was developed for CdTe deposition including diffusion limited, sublimation limited and reaction limited with the presence of oxygen. The model can explain the effect of source and substrate temperature, ambient gas pressure and the separation between source and substrate on the growth rate of CdTe by CSS. The model may prove very useful for optimization of the CSS process with respect to its design variables (pressure, temperature, etc.).","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122671430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The efficacy of fire-fighting foams for disrupting power generation from silicon solar panels 消防泡沫对破坏硅太阳能板发电的功效
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7355988
J. Bosco, Zuki Tanaka, Brian Ott, D. Slee
{"title":"The efficacy of fire-fighting foams for disrupting power generation from silicon solar panels","authors":"J. Bosco, Zuki Tanaka, Brian Ott, D. Slee","doi":"10.1109/PVSC.2015.7355988","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7355988","url":null,"abstract":"The use of fire-fighting foams for disrupting the electrical output of a solar array has been evaluated. A diffusion model was employed to calculate the light transmitted through foam as a function of its physical properties (thickness, density, and mean bubble diameter). From the transmitted light spectrum, the power generated from a c-Si solar cell was simulated. The individual cell results were extrapolated to a 5 kW solar array. It was determined that a foam ranging from 0.5 to 10 cm thick could significantly reduce the open-circuit voltage of the array, yet maximum voltages under load still represented an electrocution hazard to humans, capable of generating currents in excess of 20 mA through human skin. The risk was substantially reduced with the addition of light absorbing particle suspensions to the foam. It was found that 0.1 wt% carbon black or 0.5 wt% iron black (Fe3O4) added to the foam liquid medium decreased the maximum system voltage to a safe range (>10 V).","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"196 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122464352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Planning and designing of distributed PV of Suzhou Industrial Park 苏州工业园区分布式光伏规划设计
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.4229/EUPVSEC20152015-7DV.4.64
Tao Li, Wenjing Wang
{"title":"Planning and designing of distributed PV of Suzhou Industrial Park","authors":"Tao Li, Wenjing Wang","doi":"10.4229/EUPVSEC20152015-7DV.4.64","DOIUrl":"https://doi.org/10.4229/EUPVSEC20152015-7DV.4.64","url":null,"abstract":"In this paper, planning and designing of distributed PV of Suzhou Industrial Park are discussed, including financing mode, operation mode and profit mode. Domestic subsidies case is described detailed. The total installed capacity of the roof and the total generating capacity situation are shown and internal rate of return and payback period of five cases are calculated, proving the local development of distributed PV systems can be profitable. Suzhou Industrial Park plans to install distributed PV of 1232.8MW and about 249.09 hundred million yuan of GDP could be created.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122983120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Improving surface passivation capability of silicon heterojunction solar cells with amorphous silicon by optical emission spectrometry 用发射光谱法提高非晶硅异质结太阳能电池的表面钝化能力
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7356302
Guanghong Wang, Lei Zhao, Ruidan Hu, H. Diao, Wenjing Wang
{"title":"Improving surface passivation capability of silicon heterojunction solar cells with amorphous silicon by optical emission spectrometry","authors":"Guanghong Wang, Lei Zhao, Ruidan Hu, H. Diao, Wenjing Wang","doi":"10.1109/PVSC.2015.7356302","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7356302","url":null,"abstract":"The intrinsic a-Si:H thin film is the key to the high efficiency heterojunction silicon solar cells. The transient instability after plasma ignition decreases the minority carrier lifetime of passivated silicon wafer at the same deposition process. The capability to passivate the silicon surface of a-Si:H thin films deposited at different hydrogen flow rate is investigated. The results show the passivation capability at higher hydrogen flow rate is poorer. The decrease of Hα*, Hβ* and SiH* emission intensity in plasma is not easier to passivate the silicon surface.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114474293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Raman spectroscopy study on in-situ monitoring of Cu2ZnSnS4 synthesis 原位监测Cu2ZnSnS4合成的拉曼光谱研究
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7355638
S. van Duren, Yi Ren, J. Scragg, J. Just, T. Unold
{"title":"Raman spectroscopy study on in-situ monitoring of Cu2ZnSnS4 synthesis","authors":"S. van Duren, Yi Ren, J. Scragg, J. Just, T. Unold","doi":"10.1109/PVSC.2015.7355638","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7355638","url":null,"abstract":"This study investigates the possibility of Raman spectroscopy as an in-situ monitoring tool for the synthesis of the solar cell material Cu<sub>2</sub>ZnSnS<sub>4</sub> (CZTS) by annealing a stacked precursor ZnS/Cu<sub>2</sub>SnS<sub>3</sub> on a Mo-coated glass substrate. Temperature dependent behaviour of Raman scattering for ZnS and Cu<sub>2</sub>SnS<sub>3</sub> is studied. Both phases can still be detected at respectively 450 °C and 550 °C. Annealing of Mo/CTS/ZnS precursor stacks resulted in in-situ observation of kesterite CZTS formation with Raman spectroscopy. This is a step towards in-situ optical process control desired in kesterite fabrication.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122070966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Improved PV performance modelling by combining the PV_LIB toolbox with the Loss Factors Model (LFM) 通过将PV_LIB工具箱与损耗因子模型(LFM)相结合，改进PV性能建模
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7355996
J. Sutterlueti, S. Ransome, J. Stein, Joerg Scholz
{"title":"Improved PV performance modelling by combining the PV_LIB toolbox with the Loss Factors Model (LFM)","authors":"J. Sutterlueti, S. Ransome, J. Stein, Joerg Scholz","doi":"10.1109/PVSC.2015.7355996","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7355996","url":null,"abstract":"PV project investments need comprehensive plant monitoring data in order to validate performance and to fulfil expectations. Algorithms from PV-LIB and Loss Factors Model are being combined to quantify their prediction improvements at Gantner Instruments' Outdoor Test facility at Tempe AZ on multiple Tier 1 technologies. The validation of measured vs. predicted long term performance will be demonstrated to quantify the potential of IV scan monitoring. This will give recommendations on what parameters and methods should be used by investors, test labs, and module producers.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"317 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116831033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Effects of n-type hydrogenated microcrystalline silicon oxide film on performance of a-Si/c-Si heterojunction solar cells n型氢化微晶氧化硅膜对a-Si/c-Si异质结太阳能电池性能的影响
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7356040
Yue Zhang, Cao Yu, Miao Yang, Hui Yan, Jinyan Zhang, Xixiang Xu
{"title":"Effects of n-type hydrogenated microcrystalline silicon oxide film on performance of a-Si/c-Si heterojunction solar cells","authors":"Yue Zhang, Cao Yu, Miao Yang, Hui Yan, Jinyan Zhang, Xixiang Xu","doi":"10.1109/PVSC.2015.7356040","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7356040","url":null,"abstract":"In this work, we studied the effect of alternative n-type doped layer by using hydrogenated microcrystalline silicon oxide (μc-SiOx:H(n)). The experimental results indicate that the solar cell with μc-SiOx:H(n) has a larger short-circuit current density (Jsc), while a lower fill factor (FF), compared to the cell with n-type hydrogenated amorphous silicon (a-Si:H(n)). External quantum efficiency (EQE) shows that the increase of Jsc is related to wider band gap and lower optical absorption of μc-SiOx:H(n). Numerical simulation of device performance suggests that the lower FF is due to a larger band offset at the i/n interface caused by lower electron affinity of μc-SiOx:H(n) materials. The details of the experiment and device characterization, such as the IV performance and EQE spectrum of cells using different n layers, transmittance and reflectance of different i/n stack layers, Raman spectra comparison, and band diagram characterization, will be presented in this paper.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129491256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Research on impacts of distributed versus centralized solar resource on distribution network using power system simulation and solar now-casting with sky imager 利用电力系统仿真和天空成像技术研究分布式与集中式太阳能资源对配电网的影响
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7356208
Dung Nguyen, J. Kleissl
{"title":"Research on impacts of distributed versus centralized solar resource on distribution network using power system simulation and solar now-casting with sky imager","authors":"Dung Nguyen, J. Kleissl","doi":"10.1109/PVSC.2015.7356208","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7356208","url":null,"abstract":"As solar energy penetration in the power grid increases, utilities face great challenges coping with the variable output of solar power, especially from photovoltaics (PV) panels. In this research, we investigate the impact of distributed versus centralized solar resource on distribution network using power system simulation and solar now-casting with sky imager. The distribution network studied is a large and realistic distribution system in San Diego area modelled by our research team at UCSD and validated against power flow and short circuit data given from a local utility. The network has 1733 customer loads, summing up to 11.1 MW demand, and 2.3 MW PV in peak power production. Special scenarios are set up to simulate the difference between distributed and centralized solar resource with PV penetration levels (defined as max PV power output divided by max load demand) from 0 to 100%. OpenDSS is used for quasi steady-state simulations of the network on a partly cloudy day (December 12th, 2012). Solar now-casting using UCSD Sky Imaging (USI) system is utilized to provide unique PV production curves for all PV systems on the network. The impacts of solar resource including voltage level, line losses, power consumption and number of tap operations are reported for each investigated case and. It is shown that centralized configuration is much more severely impacted by high PV penetration than distributed set up in terms of high voltage level, increasing number of tap operations, and reverse power flow.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129721171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Characterization of silicon solar cells by means of their luminescence under high frequency sinusoidal excitations 硅太阳电池在高频正弦激励下的发光特性
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) Pub Date : 2015-06-14 DOI: 10.1109/PVSC.2015.7356030
N. Azkona, F. Recart, P. Rodríguez, J. Jimeno
{"title":"Characterization of silicon solar cells by means of their luminescence under high frequency sinusoidal excitations","authors":"N. Azkona, F. Recart, P. Rodríguez, J. Jimeno","doi":"10.1109/PVSC.2015.7356030","DOIUrl":"https://doi.org/10.1109/PVSC.2015.7356030","url":null,"abstract":"The dynamic response of solar cells is more complex to be analyzed than the quasi-steady-state (QSS) case because signals are faster and weaker and the analysis is more complex, sometimes challenging, and it requires some corrections in order to reconstruct the static characteristics. As a result, QSS measurements are preferred when measuring I-V curves, sunsVoc characteristics or for luminescence imaging, when integrating times in the range of seconds are used. But dynamic measurements, which are more complex, contain more information than QSS about some internal characteristics that are otherwise hidden. Following this idea, this paper analyses the behavior of the excess carrier concentration in a cell and, consequently, its Voc and PL responses, in open circuit conditions. The excitation is composed of a biasing light that drives the cell to a proper injection-level and a superposed small-signal sinusoidal illumination. The theoretical analysis is based in the classic charge-control model of a pn junction in dynamic conditions, and the small signal decomposition. The data are validated with PC1D simulations for the different scenarios and, in some cases, with experimental measurements. This work proves the existence of a cut-off frequency that is related to the transit time of the device (which is a function of the geometry and the minority carrier diffusivity) and to the effective (recombination) lifetime of the device. Applying excitations of different frequencies and intensities the device can be characterized on by measuring the phase-shift and amplitude dependence on the frequency.","PeriodicalId":427842,"journal":{"name":"2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129921882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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