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The use of frequency conversion technology to adjust the speed of AC motors is not only far superior to traditional DC speed regulation in terms of performance indicators, but also superior to DC m...[Details]
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As people's requirements for the safety of their living and working environments continue to increase, the importance of security prevention has become increasingly prominent. Vi...[Details]
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For nearly two decades, PSD (Position Sensitive Detector) laser measurement sensors have successfully met the challenges of the tire manufacturing industry. Applications require sensors to be fast and...[Details]
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In the design of single-chip microcomputer, many peripheral hardware are integrated into the CPU chip, but it increases the hardware redundancy and power consumption. This article mainly focuses on th...[Details]
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Abstract: Aiming at the particularity of the doubly-fed motor excitation control technology, the control model of its excitation voltage and frequency was established, and a new doubly-fed motor exc...[Details]
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The debut of Zenuity is more like the debut of Geely’s own autonomous driving technology. On June 20, autonomous and assisted driving software company Zenuity officially announced that it had become...[Details]
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Test setups that use long cables or capacitive clamps can increase capacitance at the test instrument output, causing inaccurate or unstable measurements. This effect can be observed when sourcing or...[Details]
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ATmega168 has an on-chip BOD (Brown-out Detection) circuit that detects changes in VCC during operation by comparing it with a fixed trigger level. This trigger level is set by the fuse bit BODLEVEL....[Details]
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In September 2020, Nvidia announced that it would spend $40 billion to acquire ARM. Due to the surge in NVIDIA's stock price, the actual value of the transaction exceeded $50 billion, or more than 30...[Details]
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According to Jiwei.com on January 14, the Samsung Galaxy S21 series will be officially released at 11 o'clock tonight, including three versions: S21, S21+, and S21 Ultra. Now the real photos of the m...[Details]
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0X00 Recently, I need to use segment LCD. My colleague came back with the proof and was surprised to find that it could not be driven. After searching on Google, I found that the hardware connectio...[Details]
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China Energy Storage Network News:
The "AC/DC hybrid physical test platform" developed by State Grid Beijing Electric Power is a test environment built based on various electrical equipment i...[Details]
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There are only two external interrupt source input terminals in the MCS-51 series microcontroller. When there are more than two external interrupt sources, they must be expanded. Here are two simpl...[Details]
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1. Measurement principle of ultrasonic flowmeter Ultrasonic flowmeter is a non-contact flowmeter. The working principle is: when ultrasonic waves propagate in the fluid, their propagation speed is af...[Details]
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At present, the anti-corrosion power supplies used in China are mainly magnetic amplification type and thyristor type anti-corrosion power supplies. Their disadvantages are large no-load current, low...[Details]
Test/Measurement
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