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1. Why should we care about power quality?
In the "single-phase" power supply environment of the office and home, we always hope to have a continuous 220V power supply to power the equipment ...[Details]
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On September 25, the unveiling ceremony of the Tsinghua University (National Key Laboratory of Electric Power)-Dalian Rongke Energy Storage Company Vanadium Liquid Flow Battery Energy Storage Grid-...[Details]
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In the second half of this year, OnePlus’ only flagship OnePlus 8T will be launched on the market with a starting price of 3,399 yuan (8GB+128GB). After the OnePlus 8T goes on sale, OnePlus w...[Details]
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PLC is actually a set of ready-made single-chip microcomputer (single-chip microcomputer has a wide range of range) system.
You can think of the ladder diagram of PLC as a programming language...[Details]
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Intertek, a world-leading comprehensive quality assurance service organization, issued the first "Satellite Program" certificate for its air purifier laboratory to Gree Electric Appliances Co., Ltd. ...[Details]
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On the occasion of the 53rd World Earth Day, China Green Development Investment Group Co., Ltd. (hereinafter referred to as "China Green Development") held a series of activities themed "Cherish th...[Details]
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The following are the steps for measuring voltage on a Keysight InfiniiVision 6000 X-Series oscilloscope. They are provided for reference only. See: Oscilloscopes | Keysight (Agilent) You can also re...[Details]
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When designing power supply or driving circuits, it is inevitable to use field effect transistors, which are commonly known as MOS tubes. There are many types of MOS tubes and they have many functions...[Details]
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At the beginning of the 2019 school year, a "Loongson admission letter" became a hot topic on the Internet. It turned out that the University of Chinese Academy of Sciences embedded a "Loongson 3" ph...[Details]
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1. Required hardware: N76E003 development board, USB2TTL serial cable, NU-LINK programmer 2. Required software. Official website ISP source code. The corresponding project is as shown in the figure. ...[Details]
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Servo motor encoder failure and repair AL is a professional topic involving motor control, fault diagnosis and repair technology.
Servo Motor Encoder Overview
The servo mot...[Details]
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SMIC, China's largest foundry, announced on the 18th that it had issued a series of purchase orders to Lam Research for machines and equipment in the 12-month period from March 12, 2019 to February 1...[Details]
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2020 is destined to be an extraordinary year. Under the shadow of the COVID-19 pandemic, Sino-US trade frictions continue. The unfavorable epidemic prevention in Europe and the United States has s...[Details]
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在进行大功率电源供应器设计时,设计工程师经常会使用交错(Interleave)架构。交错是一种特殊的并联方式,即在两个或多个功率级(通常称之为相位或通道)之间存在独特的相位关係。为了保持两级设计所具备的完整纹波电流消除优势,必须让各个通道彼此间相位差保持180度。
由于每个通道都是针对处理50%功率而设计的,故同步中断或失败,尤其是在负载超过最大额定电流的50%时,就可能造成整个设计...[Details]
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采用自主设计封装,绝缘电阻显著提高!
ROHM develops SiC Schottky barrier diodes to support higher voltage xEV systems
~Compared to ordinary products, it can ensure about 1.3 times the creepage...[Details]