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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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On June 12, the China Securities Regulatory Commission approved Huaxing Yuanchuang's registration application to issue shares to purchase assets and raise matching funds. This is the first major asse...[Details]
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Recently, the Shenzhen Power Supply Bureau's scientific and technological project "Research on Ubiquitous Business Access Technology for Power Distribution and Utilization Communication Based on Bl...[Details]
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0 Introduction
A cochlear implant is an electronic device that helps patients with sensory hearing loss restore their hearing. It converts external sounds into electrical stimulation requi...[Details]
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In recent years,
the production technology of
LED display screens
has gradually matured in China, and its application fields have become widely popular. However, most LED display screen manu...[Details]
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my country's energy transformation is accelerating. According to the data from the National Energy Administration, in the first quarter of 2024, the country's new installed capacity of renewable energ...[Details]
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This MPU6050 is driven by IIC, but the specific circuit diagram does not use the hardware IIC interface of STM8S, but uses the analog IIC. It should be pointed out that when configuring the STM8S I...[Details]
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The ARM microprocessor supports two instruction sets in the newer architecture: ARM instruction set and Thumb instruction set. Among them, ARM instructions are 32 bits in length, and Thumb instructio...[Details]
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Recently, Sungrow signed an inverter supply agreement with SOLA Group, a well-known independent power producer (IPP) in South Africa. The 256MW independent power generation project will all use Sun...[Details]
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Recently, a research team from Nanjing University has developed a new type of non-reciprocal femtosecond laser polarization nanoferroelectric domain technology and successfully demonstrated laser 3D ...[Details]
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According to recent news, Qualcomm will officially launch the new generation flagship mobile platform - Snapdragon 8 Gen 1 in two weeks. Although there has been controversy about the specific...[Details]
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The company's non-GAAP total revenue was $280 million, a year-on-year increase of 23%; GAAP total revenue was $267 million, a year-on-year increase of 18%. Non-GAAP software and services revenue wa...[Details]
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Interconnect design technology includes testing, simulation, and various related standards, among which testing is the method and means to verify various simulation analysis results. Excellent testin...[Details]
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Recently, Yaohuo Microelectronics completed a round A financing of 50 million yuan, exclusively invested by IDG Capital. After this round of financing, Yaohuo Microelectronics has accumulated nearly ...[Details]
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On November 20, according to the Shanghai Market Supervision Bureau, the State Administration for Market Regulation recently officially approved the Shanghai Motor Vehicle Inspection and Certificat...[Details]
MicroPython Open Source section
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