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0引言
变电站自动化自20世纪90年代以来一直是我国电力行业中的热点之一。它既是电力建设的需要也是市场的需要，我国每年变电站的数量以3%--5%的速度增长，每年有千百座新建变电站投入运行；同时根据电网的要求，每年又有不少变电站进行技术改造，以提高自动化水平。近几年来我国变电站自动化技术，无论从国外引进的、还是国内自行开发研制的系统，在技术和数量上都有显著的发展。
但工程实...[Details]
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According to China News Network, on the 11th local time, Yoo Myung-hee, director of the Trade Negotiations Bureau of the Ministry of Trade, Industry and Energy of South Korea, said at a press confere...[Details]
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The world’s first cross-vendor Wi-Fi 7 technology demonstration marks the arrival of the wireless future
Intel and Broadcom
recently
conducted the industry’s first cross-vendor ...[Details]
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MEMS is a very unique form factor, and the differences from electronics and mechanics are important to the correct use of MEMS. Compared with traditional mechanical devices, MEMS have a larger surf...[Details]
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Knowledgeable netizens will find that mainstream video websites have begun to use H264-encoded flv files. I think that H264-encoded flv files are obviously clearer than On2 VP6 at the same file siz...[Details]
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The whole board is not lit
1. Check whether the power supply and signal line are connected.
2. Check whether the test card can identify the interface. If the red light of the test card ...[Details]
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Device Connections/References
ADF4351: Fractional-N PLL Synthesizer with Integrated VCO
ADCLK948: Clock Fanout Buffer with Eight LVPECL Outputs
Evaluation and Design Support
Circuit Evaluat...[Details]
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1, Ro-R15 and r0-r15
2, a1-a4 (parameter, result or temporary register, the same as r0-r3)
3, v1-v8 (variable register, the same as r4-r11)
4, sb and SB (static base register, the same as r9)
5, s...[Details]
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Can the inverter be connected to a leakage switch? This question involves electrical knowledge, and requires us to analyze it one by one from the aspects of electrical principles, equipment charact...[Details]
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S3C2440 is a 32-bit processor with a theoretical addressing range of 2^32, or 4G. S3C2440 uses as the address line, with an addressing range of 128M, and uses as the bank selection signal, so S3C24...[Details]
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Recently, Broadcom Technology said in an institutional survey that while continuing to expand the domestic market for data communication products of 100G and below, it will launch a full range of dat...[Details]
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The use of electronic devices to control the engine, transmission and wheel speed in two- and three-wheeled vehicle applications is growing rapidly, especially in developing countries. This trend is ...[Details]
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On April 17, the Weinan Municipal Development and Reform Commission issued the "Notice on the Competition and Selection of New Energy Storage Demonstration Projects Supporting New Energy Bases in W...[Details]
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Beijing, China, November 23, 2021 - Keysight Technologies, Intel, and the Hong Kong Applied Science and Technology Research Institute (ASTRI) recently jointly demonstrated the application of 5G cor...[Details]
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From October 31 to November 1, the Global New Energy Vehicle Cooperation and Development (Shanghai) Forum (GNEV2024•Shanghai) hosted by the China Electric Vehicle 100 was officially held.
Wit...[Details]
Analog electronics
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