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1. Introduction
At present, most of the operating power supply systems of power plants and substations use DC power supply. The DC power supply system is a very important secondary equipment in powe...[Details]
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The circuit in this example is used to create a voltmeter that reads to 0.99V. The circuit uses a counter IC to drive two groups of four LEDs (Figure 1). Each of the two groups represents a BCD (bina...[Details]
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On March 19, at the Liangjiang Green Low-carbon Digital Energy Development Forum, Infistar, Chaowei Power Supply, Qingneng Interconnection, Diantou Rongda and other companies signed contracts with Lia...[Details]
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Rodents are the reservoir host of many natural epidemic diseases, and the plague spread by them is the number one plague in human history. In the 14th century, in order to control the spread of the Ea...[Details]
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1 Power capacitors and their main characteristic parameters
Power capacitors are the main components of reactive power compensation devices. With the advancement of technology and the update o...[Details]
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Implementing functions The analog signal controlled by the sliding resistor on the development board passes through the A/D converter Convert it into digital signal and print it on th...[Details]
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Q: I want to use the Mega series of AVR microcontrollers. What development tools support this type of microcontroller? A: The Mega series of AVR microcontrollers has a complete set of development too...[Details]
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Three-way speakers
Three-way speakers are generally divided into speakers with more than three units, including tweeters, mid-range units and woofers. There is a crossover inside the box, whic...[Details]
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1 Introduction The DC resistance test of transformer windings is one of the main items of transformer factory and preventive testing. According to the IEC standard and the national standard GB10...[Details]
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On November 18, Nanjing Meichen Microelectronics Co., Ltd. (hereinafter referred to as: Meichen Microelectronics) moved into the Research and Innovation Park of Jiangbei New District. It is reporte...[Details]
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According to reports, Unisplendour said that the maximum storage capacity of SIM cards currently on the market is 512KB, while Unisplendour 5G Super SIM cards have launched three capacities: 32G, 64G...[Details]
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Accuracy, resolution, and measurement speed are some of the important factors that engineers must consider when deciding how to collect and measure data. Another important factor is the environment. ...[Details]
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In December 1957, the Shangyoujiang Hydropower Plant was completed. The 110 kV Shanggan Line from Shangyoujiang to Ganzhou transmits electricity to Ganzhou City. This is the earliest 110 kV transmi...[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 multimet...[Details]
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A fire at Notre Dame de Paris made the world sigh, and restoration work was immediately put on the agenda. At present, there is a wealth of information on the restoration of the cathedral, includin...[Details]
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