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At the beginning of 2020, the sudden and severe pneumonia epidemic made the Chinese New Year, which should have been lively, gradually quiet. The hearts of people across the country were affected by ...[Details]
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The electric vehicle industry has another big news. On Chery Technology DAY, CATL and Chery Group jointly announced that Shenxing super-chargeable batteries will be launched in Chery Xingtu Xingxing ...[Details]
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Photovoltaic poverty alleviation policy Development and Reform Energy No. 621 "Opinions on the Implementation of Photovoltaic Power Generation Poverty Alleviation Work" pointed out: The current wo...[Details]
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The schematic diagram is as follows:
Analyzing a
power supply
often starts from the input. The 220V AC input is rectified by a 4007 half-wave rectifier at one end and
filtered
b...[Details]
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On July 17, according to the website of the People's Government of Jiaxing City, Zhejiang Province, the total investment was 27.9 billion yuan! Jiaxing's "Thousands of Trillion" major projects wer...[Details]
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The I2C bus was a serial communication interface specification first proposed by Philips. The standard I2C bus only uses two lines for communication. It can connect multiple devices with I2C interfac...[Details]
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introduction
Transformers are important equipment in power systems, and their operating stability directly affects the quality of power supply. Therefore, transformer operating status monitori...[Details]
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On April 9, Shanghai Hehui Optoelectronics Co., Ltd. (hereinafter referred to as "Hehui Optoelectronics") announced that core technical personnel Yamashita Yoshidalang resigned for personal reasons a...[Details]
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Google Android 12 has been officially launched, and the development of Android 13 is on the agenda. According to Android Police, Android 13 will have some interesting new features. According to the...[Details]
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On October 17, the Economic and Information Technology Bureau of Chengdu City, Sichuan Province issued a notice on soliciting public opinions on the "Implementation Rules of the Ten Measures to Fur...[Details]
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According to a recent report by Russian media Vedmosit, Russia's independent chip company Baikal Electronics has been struggling after being hit by Western sanctions, with the yield rate of its pac...[Details]
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Recently, the fast charging ( officially called the ultra- charging ) of Zeekr 001 was officially revealed. After only 5 minutes of charging, the NEDC range has increased by 120km. In addition...[Details]
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China Energy Storage Network News:
Liu Zhenya, Chairman of the Global Energy Interconnection Development Cooperation Organization, said at the Global Energy Interconnection High-end Forum hel...[Details]
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1. The output power decreases and the sound becomes weak
1. Aging of the power tube. The screen current of the power tube can be measured. Use a 100ma DC meter, connect the negative pen to the...[Details]
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Testing process After inspection by engineers, the test function is normal and the quality inspection verification indicators are normal. There may be occasional failures. After inspection, it was fo...[Details]