作者: FLORA 時間: 2025-3-21 23:57
Heinz-Otto Kreiss,Hedwig Ulmer Busenharta in the focus of the concentrator can be reduced by the concentration ratio. At the same time the light intensity on the cell is increased by the same ratio. In other words, cell surface is replaced by lens or mirror surface in PV concentrators and the efficiency and price of both determine the opt作者: VEST 時間: 2025-3-22 01:57
Heinz-Otto Kreiss,Hedwig Ulmer Busenhartn the large-scale use of solar energy. Reliance on the solar-powered industry must be considered not only as a sure choice but also as the only alternative for mankind as a long-term prospect. The cost of developing a new energy basis is never small. Fortunately, a scientific and technological basis作者: excursion 時間: 2025-3-22 07:16
Rebecca Klein,Thomas Schuster,Anne Waldparabolic dishes and central receivers; and line-focus systems typically utilizing linear Fresnel lenses and parabolic troughs. The illumination intensity is typically 10 – 50Wcm2 for the point-focus category and 1 –5Wcm2 for the linefocus category, compared with 0.1Wcm2 for non-concentrated sunligh作者: GONG 時間: 2025-3-22 11:16
Time-dependent and Vibration Problems9%~240 sun concentration [1] have been reported, and efficiencies > 40% are foreseen in the near future. Additionally, these devices are presently the only available solar cells reaching efficiencies above 30%. The high efficiency is due to the reduction of thermalization and transmission losses in 作者: Largess 時間: 2025-3-22 13:58
https://doi.org/10.1007/978-3-642-82398-5ntrators. Only monolithically grown MJCs are considered because, in the opinion of the author, although mechanically stacked MJCs are able to achieve higher efficiencies (with the subsequent interest in their technological development) they are not cost competitive. The reason for this is the use of作者: Largess 時間: 2025-3-22 17:14 作者: TOM 時間: 2025-3-23 00:46 作者: 類似思想 時間: 2025-3-23 04:11 作者: Osteons 時間: 2025-3-23 08:15 作者: 怪物 時間: 2025-3-23 12:24
Closed-Loop VCO-ADC Architectures efficiency [1–5], as illustrated in Fig. 10.1. Multijunction cells have reached the point at which the next set of technology improvements are likely to push efficiencies over 42%. Spectrolab’s roadmap for terrestrial concentrator solar cell technologies with ever-increasing cell efficiency is show作者: Fecundity 時間: 2025-3-23 17:31 作者: 令人悲傷 時間: 2025-3-23 20:11 作者: Stress 時間: 2025-3-23 23:35 作者: 貧窮地活 時間: 2025-3-24 04:12
Characterization of Time-of-Flight Data, photovoltaic (PV) cells. The technology is based on development work at Fraunhofer ISE in Freiburg, Germany. Some of the essential features of this technology go back to 1993 when Fraunhofer ISE published the results obtained for a concentrator test module using single-junction GaAs solar cells mad作者: maladorit 時間: 2025-3-24 09:03 作者: 誘拐 時間: 2025-3-24 13:50 作者: 基因組 時間: 2025-3-24 17:08 作者: 名詞 時間: 2025-3-24 21:54
Antonio L. Luque,Andreev ViacheslavMost application-oriented book on photovoltaics.Includes supplementary material: 作者: VICT 時間: 2025-3-24 23:24 作者: fatty-acids 時間: 2025-3-25 04:34 作者: 不妥協(xié) 時間: 2025-3-25 09:39
Book 2007ht can lead to reduced cost for solar electricity. In fact, photovoltaic conversion of concentrated sunlight insures an efficient and cost-effective sustainable power resource. This book gives an overview of all components, e.g. cells, concentrators, modules and systems, for systems of concentrator 作者: 史前 時間: 2025-3-25 14:52 作者: 來這真柔軟 時間: 2025-3-25 19:23
Solar Cell Cooling,e cheapest and most reliable way. After an introductory analysis of the consequence of temperature and thermal cycles on the photovoltaic radiation receiver, an in-depth analysis of the generic structure of a thermal stack for cell interconnection and cooling follows. .Performance, cost and reliability are considered based on real systems.作者: 新義 時間: 2025-3-26 00:02 作者: 孤獨(dú)無助 時間: 2025-3-26 00:26
Closed-Loop VCO-ADC Architecturesuss the semiconductor device research paths being investigated with the aim of reaching > 40% efficiency, and packaging, systems and economic considerations for cost-effective concentrator photovoltaics.作者: DOSE 時間: 2025-3-26 04:43
Simon Louwsma,Ed van Tuijl,Bram Nautand maintain their respective orientations. .3. A tracking control and drive system that establishes and maintains, throughout the day, accurate optical alignment between the sun, optical components and solar cells.作者: 誘騙 時間: 2025-3-26 12:31 作者: 胡言亂語 時間: 2025-3-26 13:26
The Amonix High-Concentration Photovoltaic System,nd maintain their respective orientations. .3. A tracking control and drive system that establishes and maintains, throughout the day, accurate optical alignment between the sun, optical components and solar cells.作者: characteristic 時間: 2025-3-26 17:12 作者: 感染 時間: 2025-3-26 22:35
Heinz-Otto Kreiss,Hedwig Ulmer Busenhartentrator development and practically no industrial or commercial activities, the photovoltaic concentration market seems ready to take off and grow rapidly because of feed-in tariff laws approved in several sunny countries and the availability of a sufficient amount of very efficient, up to almost 4作者: 官僚統(tǒng)治 時間: 2025-3-27 03:18
Heinz-Otto Kreiss,Hedwig Ulmer Busenhart based on selenium in 1876 [1]. It took more than a half a century for the creation of the first solar cells with an efficiency barely exceeding 1%. These were thallium sulfide photocells with a rectifying region [2]. The investigations were carried out under the leadership of Academician A.F. Ioffe作者: temperate 時間: 2025-3-27 08:15 作者: 會議 時間: 2025-3-27 10:40 作者: engrossed 時間: 2025-3-27 14:53 作者: 牽連 時間: 2025-3-27 19:29
https://doi.org/10.1007/978-3-662-29651-6rations of high-efficiency PVs were constrained by the optical and thermal limitations of lens-based and large-dish collectors.Miniaturized mirrored concentrators overcome these hindrances. The issue of establishing optimal flux levels is then transferred from that of concentrator design to material作者: 廚房里面 時間: 2025-3-27 22:56 作者: ALIAS 時間: 2025-3-28 02:39 作者: Firefly 時間: 2025-3-28 09:06
Closed-Loop VCO-ADC Architecturesowever, all these issues are beyond the scope of this chapter. .Line focus reflective concentrators, such as troughs, only require one-axis tracking to maintain the PV receiver along the focus line; however, due to the daily variations in the sun elevation, sunlight incidence on the tracker’s apertu作者: 貞潔 時間: 2025-3-28 12:34
Time-interleaved Track and Holds,echnology. In 1995 this technology demonstrated its suitability to produce cells in the conventional 1-sun production line able to operate under 3W/cm2 at 18% efficiency [3]. The ., as designer and developer of the idea, and BP Solar, as cell supplier and promoter, later came together to make the co作者: 過濾 時間: 2025-3-28 16:42
Characterization of Time-of-Flight Data,s high as 20.1% under operating conditions in Freiburg [3]. This was a very promising and encouraging result. In the module, single-junction GaAs solar cells with an efficiency of 24% at 100×AM1.5d were used [2]. The cells were manufactured by a fairly simple LPE process using the etchback regrowth 作者: EWER 時間: 2025-3-28 20:33 作者: 向外 時間: 2025-3-29 02:01 作者: 腐蝕 時間: 2025-3-29 03:23 作者: 反省 時間: 2025-3-29 10:38 作者: quiet-sleep 時間: 2025-3-29 12:58
Multijunction Concentrator Solar Cells,rch development on multijunction solar cells. In the first part we discuss the early developments and approaches for realizing high-efficiency multijunction solar cells. Then we present state-of-the-art technologies for manufacturing multijunction solar cells. In the next sect. we concentrate on the作者: ORE 時間: 2025-3-29 15:54 作者: goodwill 時間: 2025-3-29 22:47 作者: JOG 時間: 2025-3-30 01:27 作者: 思鄉(xiāng)病 時間: 2025-3-30 05:57
Solar Thermophotovoltaics,The investigations in the field of thermophotovoltaics started in the early 1960s [1], but the real advantage of the TPV approach has been demonstrated only in the past two decades. Theoretical and semi-empirical modeling [2–9] have shown that optimal band-gap energy is in the range of 0.4 – 0.6 eV 作者: 誰在削木頭 時間: 2025-3-30 10:53
,Inspira’s CPV Sun Tracking,owever, all these issues are beyond the scope of this chapter. .Line focus reflective concentrators, such as troughs, only require one-axis tracking to maintain the PV receiver along the focus line; however, due to the daily variations in the sun elevation, sunlight incidence on the tracker’s apertu作者: AIL 時間: 2025-3-30 12:39 作者: Verify 時間: 2025-3-30 20:11 作者: 內(nèi)部 時間: 2025-3-30 20:48
Concentrator Solar Cell Modules and Systems Developed in Japan,growth in the PV market in recent years has been driven by the rooftop installations in the range 3 – 5 kWp; however, a market for larger PV systems is beginning to emerge, and in 2003 more than 20 systems of over 450kWp in size were commissioned in Europe and the U.S., with an installed capacity of作者: 繼而發(fā)生 時間: 2025-3-31 01:05 作者: prick-test 時間: 2025-3-31 08:54
III-V Heterostructures in Photovoltaics,n the large-scale use of solar energy. Reliance on the solar-powered industry must be considered not only as a sure choice but also as the only alternative for mankind as a long-term prospect. The cost of developing a new energy basis is never small. Fortunately, a scientific and technological basis作者: TOM 時間: 2025-3-31 10:17
Silicon concentrator solar cells,parabolic dishes and central receivers; and line-focus systems typically utilizing linear Fresnel lenses and parabolic troughs. The illumination intensity is typically 10 – 50Wcm2 for the point-focus category and 1 –5Wcm2 for the linefocus category, compared with 0.1Wcm2 for non-concentrated sunligh作者: 無聊點(diǎn)好 時間: 2025-3-31 14:49 作者: synovial-joint 時間: 2025-3-31 17:34
Very-High-Concentration Challenges of III-V Multijunction Solar Cells,ntrators. Only monolithically grown MJCs are considered because, in the opinion of the author, although mechanically stacked MJCs are able to achieve higher efficiencies (with the subsequent interest in their technological development) they are not cost competitive. The reason for this is the use of
