package power Articles
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Gobi Challenge for Road ofXuanzang - Case Study
In May 2015, the TenthGobi Challenge for “Road of Xuanzang” (“Ge Shi”) was competed in Mohe Yanqi Gobi afterhiking through 112 kilometers of no man's land for four days and three nights. Hanergy thin-film solar power package helped China-Europe Business School to provide everyone with portable, fast and easy ...
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Energy efficiency markets chooses its favorites of 2008
We appreciate the entries submitted for Energy Efficiency Markets’ first annual ‘best of’ contest. It is difficult to select winners in an industry that is burgeoning with innovation. We hope you find our selections as intriguing as we did. Please continue to email us about interesting projects – we’d like to highlight them periodically in our weekly newsletter:1. Best appliance: Energy ...
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Benchmarking platforms: why more knowledge means more leverage
Greater plant owner demand for high speed computing and benchmarking data analysis platforms will cause rapid development of power upgrade packages and create a basis for further OEM innovation. High speed computing is making a major difference in wind data analysis. Today, major advances in time series and spatial analysis as well as the wake models used to estimate losses are possible because ...
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Modelling of three-phase grid-connected inverters
Grid-connected inverters are key elements that interface the distributed energy sources with the grid. In this paper, a graphic modelling method based on switching flow graph is presented for modelling inverters, with a one-cycle controlled inverter as an example. This method features great simplicity and accuracy, and is compatible with dynamic system-simulation software, such as MATLAB. PSPICE ...
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Optocoupler Semiconductor Device LCR-0202 Series for Electric Circuit
Overview Phototransistor optocoupler devices use the current changes to control the resistance change. It is a Linear optocoupler which through the strictly selected, aging, testing. Optocoupler isolation made up of CDS and LED. Package tyoe for LCR-0202 is DIP-4(cuboid small package). It is widely used in audio power amplifier protection and control. It is recommend that the welding should ...
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Kickoff for Biogas - South America Opts for Green Energy Made by WELTEC
Currently, the world is locked on to the FIFA World Cup in Brazil. Though they have already reached a high technical level as far as football is concerned, the South American countries still have development potential in the fields of biogas technology and renewable energies. In the interview, Aguinaldo Ramalho of the German biogas plant manufacturer WELTEC BIOPOWER talks about the potential, ...
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Why we need to invest in Renewable Energy and Storage Technology now
The Covid-19 pandemic has been a harsh reminder that we cannot always rely on our centralized systems to deliver goods and services that protect us from shortages, and that we need back-up. People are scrambling for groceries, toilet paper and face masks as supply chains break down. Hospitals and even governments are struggling to get vital medical supplies. This and other ...
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