Energy Yield Generated by a Small Building Integrated Photovoltaic Installation

As the second largest machinery industry, the energy-intensive cable industry not only creates a lot of economic value but also consumes a lot of energy. It is an inevitable requirement to promote the technological development of the industry in the new era to improve the quality and efficiency and realise industrial energy-saving and consumption reduction. In order to obtain good strength and conductivity, the metal rods of cable are usually heat-treated for several hours or even several days after the rods are extruded, this is a major energy consuming process in traditional production. Based on the background, this study adopted the energy-saving equal-channel angular pressing (ECAP) technology to replace the traditional heating treatment process, and converted the simple heat conduction with thermo-mechanical energy transfer, so as to realise the good strength and conductivity matching of the cable aluminum alloy material. In this study, energy-saving ECAP technology is used to replace the traditional heat treatment process, and heat-mechanical energy transfer is used to replace the simple heat conduction, so as to achieve good strength and conductivity matching of cable aluminum alloy material. The results show that the suitable ECAP process routes can improve the microstructure of aluminum alloy with higher strength and conductivity than the traditional heating process. The research results can be used for technology upgrading and low carbon production in cable industry due to the significantly time reduction of the energy-consuming heat treatment and the high-efficient obtainment of high-quality production.

Section: Introductionmentioning

confidence: 99%

On Rough Set Theory on Achieving High Quality Cable Material Production by Green Low Carbon Technology

Shuai

Zhang

et al. 2021

“…One factor that is inseparably connected to the outdoor placement of such installation is ongoing dust accumulation on its top glass surface. Shading is an issue that greatly influences the decrease in energy yield that can be obtained from PV installation [1,2]. It reduces the amount of light reaching solar cells [3], therefore causing current value to drop [4,5], and resulting in lessened maximum power [6,7] as well as efficiency [8].…”

Section: Introductionmentioning

confidence: 99%

The Issue of Shading Photovoltaic Installation Caused by Dust Accumulation on the Glass Surface

Rudnicka

Klugmann-Radziemska

2021

Self Cite

The issue of accumulation of dust and other pollutants on the surface of photovoltaic modules was thoroughly analysed over the years. One of the first surveys in this field of knowledge linked pollutant accumulation on the module surface with transmittance loss of its glass covering, which leads to lessened amount of solar radiation reaching solar cells. First stage of this accumulation process is linear transparency loss, and second stage - molecule agglomeration and settlement some grains on the already existing layer of dust. Additionally, the pace of working parameters reduction for photovoltaic installation is influenced by the type of dust itself. Molecules with smaller grains cover the surface much more densely, therefore limiting the amount of light passing though the top glass layer far more than molecules with bigger grains. The aim of the carried out study was to find the relationship between dust surface density and change in electrical parameters. Such approach makes it possible to compare electrical and physical parameters of different photovoltaic modules. Additionally, glass coverage itself was noted to have a significant impact on the overall decrease in working parameters of PV modules.

“…The International Union for Conservation of Nature (IUCN), United Nations Environment Programme (UNEP) and World Wide Fund for Nature or World Wildlife Fund (WWF) jointly published the World Outline for the Conservation of Nature, which defined the concept of "sustainable development", and China has established sustainable development as its basic strategy for national development [1]. In this new situation, General Secretary Xi Jinping, standing at the strategic height of history and of the current situation, proposed the "five-in-one" design [2].…”

Section: Introductionmentioning

confidence: 99%

Foreign Direct Investment Spillover Effect on China’s Sustainable Development

Han

Ying

Sun

2021

The unbalanced growth of FDI in China has seriously affected the coordinated development of China’s regional economies. Therefore, to achieve comprehensive, coordinated and sustainable development, China’s main strategic task is determining how to adopt positive and effective FDI policies to reduce this regional imbalance in FDI. The purpose of this paper is to explore and study the spillover effects of foreign direct investment (FDI) on China’s sustainable development. In this paper, based on the new political economics theory and overflow effects, comparative research and statistical research methods are adopted that combine static and dynamic analysis. Empirical research methods are combined with normative research to analyse the spillover effects of FDI on China’s sustainable development, particularly under the new situation of global crisis and the accompanying difficulties, to determine how to promote China’s FDI and the development of China’s sustainable progress strategy. The study found that in 2018, FDI in China reached a value of 13.466 billion US $, and the year-on-year growth in FDI in recent years has been basically stable at approximately 4 %. Asia is the main source of FDI in China. In 2018, the amount of FDI in Asia reached $109.1938.7 billion, accounting for 83.33 % of the total investment. Hong Kong, with its unique advantages, accounted for 72.12 % of FDI in China. FDI inflows are mainly directed to primary industry and the service sector, and the growth rate of foreign investment in 2016 in these sectors was 68.52 and 170.77 %, respectively, compared with 2007. FDI also mainly flows to the eastern region of China. By the end of 2018, the amount of foreign capital utilized in the eastern region reached $1,622.9 billion, representing 85.4 % of the aggregate FDI in China. The effect of FDI on China mainly focuses on three areas: economic growth, social development and environmental protection. FDI has brought positive spillover effects to China’s sustainable evolution, but with China’s continuous development, especially the change in its economic development mode, it has been consistently exposed to negative spillover effects.