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不同层次的方法及其具体挑战形式 撰稿人:Giovanni Fanizza - 总经理 康维明工程薄膜(张家港)有限公司 太阳能是最丰富、最清洁、最高效的可再生能源之一。然而,这并不能使它免受工业产品的机构及挑战的制约。太阳能电池板的制造及其作为能源生产所起的作用,依赖于一系列不可再生原材料、耗能生产过程以及在其使用和处置期间的复杂条件。为了弥合这种明显的对立,所有光伏产业的参与者都应该尽最大努力,不仅是为了推动整个绿色产业的发展,而且必须认真重新审视他们所提供的产品和服务,并持续投资并改善这些产品和服务。其结果可能不会,甚至永远不会完全反映出非可再生能源零损耗的目标,但我们仍不能将循环经济的概念留在一个纯粹的梦境中。 主要方面及解决方案 在联合国报告《资源效率和气候变化——低碳未来的材料效率战略》[1]中,作者将循环经济定义为“经济是指把产品、材料和资源的价值尽可能长时间保持[…],并产生的废弃物最小化” 如果应用到太阳能行业,人们就可以将其转化为太阳能电池板,尽可能提高其输出功率、 产出和持续时间。并且应采用对环境影响最小的材料。 就输出效率而言,最主要的焦点是电池,在过去的5年里,太阳能电池技术的许多最新进展都来自于电池的研发,电池板的平均转换效率从15%提高到20%。这一效率的大幅提升使得标准尺寸太阳能电池板的额定功率从250W增加到330W。 然而,对于整体面板功率而言,电池功率只是一个因素,其他因素还包括电池布局、配置和面板尺寸。从电池到组件的损耗、热耗散、光反射能力或其他因素(如能够吸收电池两边的光)是影响组件将更多入射阳光转换为电能的关键因素。这就是使用高性能材料而不是电池所发挥作用的地方。以通常用于太阳能电池绝缘和保护的背板为例:当背板使用非标准但专门设计的成分时,背板确实可以提高组件的输出率。该种背板使用了特殊成分制成的层压板,如用于高湿度屏障的超厚聚合物和辅料,用于冷却的金属化层,以及用于哑光或光泽饰面的创新涂层、用于增强反射的印刷定制的电池间网格。双面组件制造商的利润来自创新的高透明背板,该透明背板由一家领先的光伏制造商提供,其总部位于在意大利,生产基地位于意大利和中国。这些背板由特殊的抗紫外线和抗水解的共挤聚酯制成,因此不仅是标准双面电池的理想解决方案,而且也是湿度敏感型双面电池(例如HJT)的理想解决方案。 其次,在整体安装效率方面,地理、环境和建筑条件都起着重要作用。 每种设置都有其特定的要求,同样,高性能的背板和前板以及其他专门设计的层压板都可以在这方面发挥着重要作用。例如,在高湿度和高温环境下,浮动光伏装置很容易损坏组件的输出功率,它必然需要具有超低透水率和优越的防潮性能材料,如由集成铝层制成的背板。反射率值是另一个因素,在地面安装的高反射镜层压板作为双面和标准安装的 改装, 可显著地帮助提高地面反射率, 从而提高组件的最终输出率。

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SNEC2020国际太阳能光伏与智慧能源(上海)展览会暨论坛’(简称’光伏两会’)将于2020年8月7-10日在中国·上海浦东嘉里大酒店(浦东新区花木路1388号)隆重举行,同期举行’2020国际储能和氢能及燃料电池工程技术大会暨展览会。 大会拟邀请中国国家能源局、科技部等相关政府部门的领导出席,并做政策方面的主题演讲,已邀请了以澳大利亚新南威尔士大学Martin GREEN教授、国际太阳能学会(ISES)上任主席David RENNE教授、美国国家可再生能源实验室(NREL) Michael WOODHOUSE博士、新加坡太阳能研究所(SERIS)所长Armin ABERLE教授为代表的来自全球光伏产业的权威科学家及技术专家,在论坛上作重要演讲。 本届大会会议形式多样,内容丰富。除’大会开幕式&主题论坛’、’全球光伏领袖对话’、’全球光伏前沿技术大会’、’全球绿色能源与光伏金融峰会’等活动外,还有’石墨烯光电应用高峰论坛’与’能源互联网技术与应用高峰论坛’等专注应用市场的研讨会。大会将吸引全球政界、行业界、学术界、产业界、金融界、传媒界、国际分析机构等相关业者,共同探讨全球光伏市场的合作发展策略。 此外,’国际储能和氢能及燃料电池工程技术大会’将汇聚国际储能和氢能和燃料电池领域的政策制定者,行业专家与学者、领军企业、金融机构、咨询机构和权威媒体,共同探讨产业政策导向、前沿技术、市场趋势、商业模式和融资渠道等。 随着我国新冠肺炎疫情形势逐渐好转,各类会议会展活动陆续’解封’后开始启动,这对行业无疑是一个振奋人心的消息。在此良好态势下,SNEC2020’光伏两会’亦盼望能够携手太阳能光伏领军企业,迅速出击,一致行动,争做疫情维稳之后独树一帜的行业引领者,打响产业复苏的第一枪,共同引领和推动后疫情时代的光伏产业发展!

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PES 与 ADLER 首席执行官 Helge Glück 进行了对话,主要探讨了日新月异的光伏产业的最新趋势与新技术,以及光伏保险丝市场将如何适应新的安全挑战与技术挑战。 PES:您好,Helge,很荣幸您能来到 PES,欢迎您来。首先,您能否简要介绍一下 Adler? Helge Glück: 好的,非常荣幸。ADLER Elektrotechnik Leipzig GmbH 是一家德国制造商,主要生产电路保护元件,尤其是高速直流保险丝。企业发展重点倾向于快速发展的可再生能源市场。 我们快速适应了光伏和电动汽车产业的新趋势,迅速成长为太阳能和电动汽车应用的电路保护元件主要制造商。 企业的工程背景和技术背景可以追溯到前身 Wickmann 集团,该集团曾是德国电路保护产业的大型制造商。 因此,今天的 ADLER 才能够拥有 1000V 和 1500V 光伏保险丝与配件的综合产品目录。 PES:首先,让我们来了解一下光伏市场的整体情况。过去 5 年里,太阳能电池板效率迅速提高的同时,价格也在大幅下跌。您认为这一趋势未来是否会持续?还是说当前已达到顶点? HG:毋庸置疑,过去几年,光伏能源市场对这种太阳能电池板效率不断提高、价格不断下降的情况已经越来越习以为常。与此同时,我们预计,2019 年全球太阳能市场和太阳能安装总量将突破 100 千兆瓦大关。考虑到中美贸易战态势,欧洲太阳能面板已经相当低廉,但最终价格将趋于稳定。 而关于太阳能电池板的开发,电池效率的提升率可能不会下降太多。晶科能源、隆基、阿特斯太阳能均已宣布即将推出功率高达 400W 的产品。 目前,我们可以发现,除了当下的单 PERC 模块,市场中还出现了新一代双面太阳能电池板,这类产品将进一步提高未来的太阳能装置效率。有猜测称新一代太阳能电池板可提供的能量将比传统太阳能板高出 11%。

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In an online keynote, Studer has unveiled the details of the new range of smart inverter-chargers that will be launched in the market in the following months. The next3, an all-in-one 3-phase inverter-charger with 2 built-in solar high voltage MPPT inputs, and the next1, a range of single- phase low frequency inverter-charger, will complete the existing wide range of Studer power converters. The company confirms its position as high-end supplier of power electronic devices manufactured in the factory in Switzerland and specially conceived for battery-based systems. Studer has published their annual keynote online (www.studerlive.ch) where the latest news and details of upcoming developments have been presented. Studer ́s Management Team has presented the progress along the last year, including a new Xcom- 485i for Modbus communication. Also introducing OpenStuder, a platform for developers to integrate Studer devices in an advanced solution, with the supply of bidirectional communication bridges but also public libraries and examples of implementation for facilitating the integration. The small brother of the variotracks, the VT-40, has been also presented. With the characteristics of the existing Variotrack in its genes, from its appearance to software that has been tried and tested for years. The hardware has been optimised to operate at

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Commenting on Ofgem’s announcement of the default price cap falling by 7% to £1,042 per year for the six months effective from 1 October 2020, Robert Buckley, Head of Relationship Development at Cornwall Insight, said: “This is a dramatic reduction and sees the price cap fall to its lowest level since its introduction. However, there is little surprise that we saw a drop in the price cap level today, due to the significant fall in wholesale prices. Even Ofgem’s change in its wholesale price methodology following a successful appeal from British Gas, and a change to smart metering costs, did little to offset the large decrease in wholesale energy prices. “This drop in wholesale prices is a direct result of the COVID-19 lockdown. The market saw energy demand fall as businesses were ordered to close, and people were asked to stay at home, this, in turn, saw wholesale prices plummet. Day-ahead power had dropped from an average of £33.7/MWh on 22 March, the day before lockdown was announced, to an average of £10.9/MWh by 10 April. This dramatic fall has no doubt weighed heavily on the price cap calculations. "The difference between the costliest deals (usually standard variable tariffs) and the cheapest stood at £562 on 25 July

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Dogger Bank Wind Farm and Jan De Nul Group announce the signing of the final contract for the transport and installation of the GE Haliade-X offshore wind turbines at Dogger Bank A and Dogger Bank B, 130 km off the Yorkshire coast, starting in 2023. Turbine delivery and installation at the first two phases of Dogger Bank Wind Farm will be the first assignment for the world’s largest Offshore Jack-Up Installation Vessel owned by Jan De Nul Group, the Voltaire. The 3.6GW Dogger Bank Wind Farm, which is being delivered in the North Sea in three 1.2GW phases, is set to be the world’s largest offshore wind farm when complete and is a joint venture between SSE Renewables and Equinor. When complete, Dogger Bank will generate enough energy to power over 4.5 million homes every year – around 5% of the UK’s electricity needs. Dogger Bank Wind Farm secured 3.6 GW of offshore wind contracts in the UK Government’s 2019 contracts for difference auctions. Record low prices were awarded for the three projects making up Dogger Bank Wind Farm: Dogger Bank A, Dogger Bank B and Dogger Bank C. Dogger Bank A and Dogger Bank B are now moving towards final investment decision,

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Hamburg, 7 August 2020. The Nordex Group has secured a revolving syndicated loan facility of EUR 350 million within the framework of the federal government's loan guarantee program with the participation of the states of Mecklenburg-West Pomerania and Hamburg. "With this credit facility, we are soundly protecting the company against the effects on our operating business and remaining uncertainties caused by the COVID 19 pandemic," says Christoph Burkhard, CFO of the Nordex Group. "A crucial factor in this success is the confidence placed in the Nordex Group by the state guarantors and the banking syndicate in Nordex being a sustainable technology company in the renewable energies sector, a key industry of the 21st century". Back in May, the Company already communicated its intention to apply for governmental support under the Corona guarantee program as a precautionary measure to reinforce the Company’s means in the face of the crisis. This process has now been successfully completed. The revolving syndicated loan runs until 30 April 2022. 90 percent of the credit line is guaranteed by the Federal Republic of Germany, the city of Hamburg and the state of Mecklenburg-West Pomerania. The banking consortium consists of Banca Bilbao Vizcaya Argentaria S.A., BNP Paribas S.A., Commerzbank Aktiengesellschaft, Crédit

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−   Q CELLS has signed an agreement to purchase a 100% stake in Geli, a leading energy storage solutions and software provider −    Combined capabilities provide smart energy solutions to customers −    Acquisition marks Q CELLS’ expansion into the U.S. solar + storage market beyond existing solutions in Europe and Australia [Irvine, United States, August 6, 2020] Q CELLS, a renowned total energy solutions provider in solar cell and module, energy storage, downstream project business and energy retail, announced today that it has signed an agreement to acquire a 100% stake in San Francisco-based energy storage solutions company Growing Energy Labs, Inc. (Geli). The transaction is subject to customary closing conditions, including regulatory approvals. Geli’s end-to-end software platform streamlines the energy storage development process, offering the industry’s leading solution for design, automation, and management of Battery Energy Storage Systems (BESS). Geli’s products, powered by artificial intelligence, determine the optimal size of the BESS, and maximize the stacked revenue potential for customer deployments. Geli is a pioneer in advancing BESS deployments coupled with solar and EV charging infrastructure and co-optimizing these unique assets with any electricity tariff or load profile. Geli’s products leverage an advanced cloud architecture and Industrial IoT technologies that support

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Tuco Marine from Denmark have been appointed production partner for German Wallaby Boats GmbH who is introducing Workboats and Daughter Crafts designs based on suspension technology developed Nauti-Craft, who is based Western Australia Tuco Marine is as a start be production partner to Wallyby Boats on the WB-14 a designated offshore Wind Daughter Craft (DC) for offshore wind service vessel (OSV), and Service Operation Vessels (SOV) The WB-14 will come with a single point hoist system that allows safe lifting with the designated launch and recovery system (LARS) with no manual handling on the boat and minimal personnel required on deck of the mother ship. The lifting beam is self-adjusting to changes of center of gravity (COG). Wallaby Boats and their new suspended Daughter Crafts has already secured themselves letters of support from the industry amongst others from the Norwegian energy company Equinor who have supported the development of this new technology.

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Independent verification of Enel X’s storage optimization software will enable increased confidence in economics and utility bill savings for behind-the-meter storage projects Oakland, U.S. 6th August 2020 – DNV GL recently performed an independent and extensive technology evaluation of Model E, Enel X’s most commonly used energy storage modelling tool at the early stages of its customer evaluation process. DNV GL found that Enel X’s optimization methods are robust and well designed to anticipate an extensive range of scenarios and have industry-leading capabilities in optimization-based energy storage simulation. The analysis was based on DNV GL’s deep knowledge of storage markets and technologies and examined the model’s optimization algorithm, forecasting algorithm, and financial model supplemented by interviews with several Enel X subject matter experts. Enel X’s storage optimization software optimizes value across demand charge management and demand response while maintaining compliance with applicable incentive programs. The evaluation also revealed that several key features contribute to the usefulness and flexibility of Enel X’s approach, including the ability to incorporate forecast-based models as a more sophisticated alternative to perfect forecast models. DNV GL performed simulations with its own Microgrid Optimizer tool to verify the performance of Enel X’s storage optimization software. The two test cases, which

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