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Recently, the news of SAIC Volkswagen and FAW-Volkswagen's production suspension revealed that automakers are short of "chips" and "components", and also caused the insufficient supply of automotive ...[Details]
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Although the novel coronavirus outbreak has been effectively controlled in China, it is breaking out in countries and regions outside of China. Affected by this, since February this year, many n...[Details]
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The latest report released by a market research agency shows that the epidemic continues to stimulate demand, with global PC (including desktops, laptops and workstations) market shipments increasing...[Details]
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1 Introduction
With the development of the national economy, power users have higher and higher requirements for power supply quality and reliability. Realizing distribution automation is the m...[Details]
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How many people were deceived by the editor's title? I will not apologize to you. Because I am not a title party, it's just that what I want to say is a bit heavy, so I want everyone to relax a littl...[Details]
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Vacuum pressure gauge reading method The vacuum pressure gauge is based on atmospheric pressure and is an instrument used to measure pressure less than atmospheric pressure. The vacuum pressure g...[Details]
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Who would have thought that in August, LG Energy Solution did not even make it into the top 15 domestic power battery companies in terms of installation volume! If we say that the domestic power ba...[Details]
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Abstract: With STC12C5A60S2 single-chip microcomputer processor of Hongjing Company as controller, matrix keyboard as input device, RS485 communication interface chip as data update mode, LCD320240...[Details]
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Power transformer structure diagram
Main structure of transformer
The transformer mainly consists of: iron core, winding, oil tank, accessories, etc.
Silicon ...[Details]
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The method of judging the polarity of the voltage regulator tube and its forward and reverse resistance values is the same as that of ordinary silicon. To measure the stable voltage vz of the volta...[Details]
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According to foreign media reports, calcium-based batteries are expected to achieve higher energy density at a lower manufacturing cost, and eventually this laboratory technology will be able to repl...[Details]
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On September 2, the first hydropower-solar-diesel-storage smart microgrid demonstration project of Xinjiang Power Grid was put into operation in Bayinbuluke Scenic Area, Hejing County. This is the fir...[Details]
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The correct use of thermocouples can not only accurately obtain the temperature value and ensure the product quality, but also save the material consumption of thermocouples, saving money and ensur...[Details]
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LED lamp is a kind of light-emitting diode, with forward voltage drop of 1.6V~2.2V and current of 2~20mA. When the current is 2~5mA, the brightness increases with the increase of current. When the cu...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]