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1. STM32 clock system
In STM32, there are 5 clock sources, namely HSI, HSE, LSI, LSE, PLL
(1) HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz;
(2) HSE is a high-speed ...[Details]
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1 Research status
The new high-power renewable energy sources are wind and solar. The average power of a new wind turbine has exceeded 2MW, and 5MW has been put into operation. In the past few year...[Details]
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China Energy Storage Network News:
On November 13, the 17th China Southern Power Grid International Technology Forum and the "Digital Grid White Paper" conference were held in Qianhai, Shenzh...[Details]
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Question: When a 22KW three-phase motor is started using the star-delta step-down method, what size contactor and thermal relay should be used?
Answer: As the questioner mentioned, a 22kw thre...[Details]
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After months of testing on the “Arena del Futuro” race track, Stellantis and its project partners demonstrated Dynamic Wireless Power Transfer (DWPT) technology in Chiari, Italy, deploying a lane tha...[Details]
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The circuit of this device is shown in the figure. The AC voltage output by the magneto is rectified by diodes D1~D6 and becomes a pulsating DC voltage, which is output in two ways. One way is a ty...[Details]
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2021 has become history. The Chinese auto market is moving forward in the turmoil and pursuing dreams in the reform. Although it has been bumpy, it is remarkable overall. According to the production ...[Details]
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On the morning of January 11, a new report on Sunday said that Apple's car products may cooperate with Hyundai Motor, and the two will produce its first self-driving car in the United States by...[Details]
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Digital multimeters are popular among radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital multim...[Details]
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The smart meter market is expected to grow at a double-digit rate each year in the next few years as consumers replace traditional electromechanical meters. Smart meters use the latest integr...[Details]
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Many people have this question: What is the autonomous driving solution based on BEV (Birds Eye View)? There is no unified definition in the academic community for this question, but based on my de...[Details]
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Recently, the Tianyancha platform showed that Huawei applied for the trademark "One Logo Coffee Absorbs Cosmic Energy", the international classification is: 43-catering and accommodation, and the tra...[Details]
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How is the reading difference between the total meter and the sub-meter of the flow meter measured? Many people are asking about this question. Many people also ask about the introduction of flow met...[Details]
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1. Internal resistance measurement technology based on digital filter
Online measurement of the internal resistance of each single battery is one of the difficulties of the detection ...[Details]
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On the basis of introducing the whole system, the key issues in the instrument design are explained in detail, focusing on the principle of supplying high voltage to multiple probes through a ...[Details]
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