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In order to overcome the voltage overshoot phenomenon in the high-frequency pulse AC link inverter, this paper proposes and studies the unipolar and bipolar
phase-shift control
strategies. ...[Details]
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Introduction: With the development of power electronics, the application scope of inverter control technology and industrial field bus is becoming wider and wider. This system successfully applies...[Details]
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Under the guidance and promotion of national policies, new energy vehicles have been demonstrated in closed areas since 2009, and initially marketized in 2013. Today, they have penetrated into people...[Details]
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Compared with fluorescent lamps, white LEDs have the advantages of being simple to use and low cost. Compared with incandescent lamps, they can provide true white light. Therefore, their usage has ...[Details]
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introduction
Since the continuous transmission speed of current PCI, CPCI, VME and other systems is difficult to exceed 400MB/s, in order to complete the real-time and long-term
a...[Details]
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On February 4, it was learned from the Southwest Branch of State Grid Corporation of China that in the face of the epidemic, the branch strengthened its organizational leadership, and further refin...[Details]
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A distribution transformer is a static electrical appliance in a power distribution system that transforms AC voltage and current according to the law of electromagnetic induction to transmit AC powe...[Details]
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Although Android smartphones have only been around for a short time, they have already become the leaders. Developers have devoted themselves to Android and developed many wonderful applications.
...[Details]
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Field effect tube detection method and experience
1. Use a pointer multimeter to identify the field effect tube
(1) Using the resistance measurement method to identify the electrodes of th...[Details]
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Sony has released the Chinese version of Xperia 1 II/5 II, priced at 7,999 yuan and 5,999 yuan respectively. Xperia 1 II and Xperia 5 II are Sony's first Xperia flagship smartphones that support 5G, ...[Details]
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May 11, 2023, Xi'an, China - Micron Technology, Inc. (Micron Technology, Inc., Nasdaq: MU), a leading provider of memory and storage solutions, today announced the appointment of Ms. Betty Wu as Gene...[Details]
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On March 3, global leading chip manufacturing companies Intel, AMD, ARM, Google Cloud, Meta (Facebook), Microsoft, Qualcomm, Samsung, TSMC, etc. jointly announced the establishment of the Small Chip ...[Details]
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According to businesskorea, competition is heating up among South Korea's four largest business groups - Samsung, Hyundai Motor, SK and LG - to seize the electric vehicle market. On July 27 last ye...[Details]
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According to industry insiders, Huawei has started mass production of its next-generation foldable smartphone since November. The phone will compete with Samsung's Galaxy Z Flip 3 and is expected to ...[Details]
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According to the charging method of electric vehicles, charging piles can be divided into two categories: AC charging piles and DC charging piles. DC charging piles have the ability to charge batte...[Details]