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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综合自动化技术,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。
但工程实际当中,部分变电站综合自动化系统功...[Details]
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Voltage is a common electrical signal in circuits. By measuring voltage, other parameters can be derived using basic formulas. Therefore, voltage measurement is the basis of many other electrical a...[Details]
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The transformer ratio tester is a new generation of intelligent ratio tester that uses a single-chip microcomputer as the basis for measurement calculation and automatic control. It has a full Chin...[Details]
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Applying technology to solve social problems has always been a thorny problem. First, the technology must be reliable and non-invasive. It must operate "passively". This way, consumers benefit with...[Details]
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"The United States will pay 100% for its companies' withdrawal from China," "Japan provides huge funds to support companies leaving China"... Under the epidemic, politicians and the media's "fanning ...[Details]
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A DC motor is a machine that converts electrical energy into mechanical energy. They use a direct current (DC) power source to provide electrical energy and use the interaction of electric and magn...[Details]
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In 2019, Huawei released the 1.0 version of HarmonyOS. It was first launched in Huawei's (or Honor) smart screen series products. A year later, HarmonyOS 2.0 was launched. This time, products equippe...[Details]
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(November 8, 2023, Shanghai, China) As one of the world's leading companies in the fields of industrial automation, informatization and digital transformation, Rockwell Automation was invited to part...[Details]
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Starting with iOS and iPadOS 15 later this fall, hotspot connections on iPhone and iPad will be secured using the improved WPA3 security protocol, offering greater security and upgraded protections a...[Details]
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"Hot plugging" refers to inserting or removing a card from a powered host (backplane, server, etc.). It is mainly used in base stations, redundant arrays of disks (RAID),
Re...[Details]
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The annual Spring Festival travel rush begins. Traffic jams and long charging queues have become a torment for all those who drive pure electric vehicles back home. Spring Festival travel rush S...[Details]
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1. P0 (80H) P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0 2. SP stack pointer (81H) 3. DPTR data pointer (composed of DPH and DPL) DPL data pointer lower eight bits (82H) DPH data pointer high e...[Details]
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When users buy high-power UPS, they often face the problem of not knowing how to choose between industrial frequency and high frequency. They are not sure whether it is better to buy an industrial ...[Details]
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In the field of embedded operating systems, μC/OS developed by Jean J. Labrosse once caused a strong response in the field of embedded systems due to its open source code and powe...[Details]
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Nanxin Technology (stock code: 688484) simultaneously launched two heavyweight car charging
cells
- the high-power buck-
boost converter
SC87550Q/SC87580Q
with a fully integrated USB...[Details]