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Abstract: Square wave driven brushless DC motors are widely used in electric vehicle controllers due to their large torque and reliable operation. The biggest disadvantage of square wave drive is t...[Details]

　　Chromatograph is a kind of optical instrument . As the name implies, it is a device used for chromatographic separation and analysis. It has certain stability, sensitivity and versatility. It is wid...[Details]

As 2023 comes to an end, battery- related projects such as BYD and Changan Automobile have also achieved important breakthroughs, and further breakthroughs will be made in terms of production capac...[Details]

This approach involves modulating the power supply switching frequency to introduce sideband energy and change the emission signature from narrowband noise to broadband, effectively attenuating the h...[Details]

     Under-screen cameras have become a trend in the mobile phone war in the second half of 2019. With OPPO and Xiaomi already in the game, who will be the next leader in the under-screen camera mark...[Details]

China Energy Storage Network: In the first half of this year, Zhejiang's total electricity consumption was 188 billion kWh, a year-on-year increase of 6.5%. Among them, the secondary industry...[Details]

LM2930 Series Appearance   The LM2930 series is a PNP transistor output dropout regulator with fixed output voltage and adjustable voltage. The appearance is shown in the figure. The LM2930 ...[Details]

The concept of state machine State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, there...[Details]

Jiwei.com reported on August 11 (Text/Digital Control) that yesterday Huawei's Pollen Club published a long article to teach users how to solve the problem of express delivery information not being d...[Details]

A 12-can pack of Red Bull, a 5L barrel of blended oil, two bottles of red wine and four cans of canned fish... These were not things that Pikapi bought in the supermarket, but the loot that an old ...[Details]

      Today, whistleblowers @xleaks7 and CoverPigtou showed the aluminum metal model of the Samsung Galaxy S22 mobile phone online, and the picture is very clear. This phone is narrow in width and re...[Details]

A Unified LTspice AC Model for Current-Mode DC-to-DC Converters Unified LTspice AC Model for Current Mode DC-DC Converters Introduction When power suppl...[Details]

Nanotechnology engineers at the University of California San Diego have developed a safety feature that can prevent lithium metal batteries from rapidly heating up and catching fire when a short circ...[Details]

Spain's Grenergy announced that it will expand its world-class solar energy storage project supply agreement with BYD in Chile to 3GWh. According to the new agreement, after BYD provided 1.1GW...[Details]

① Rongke Energy Storage has the world's largest all-vanadium liquid flow battery energy storage equipment production base. ② Workers in the workshop are busy installing and debugging the product. Phot...[Details]