中英文翻譯資料----開關(guān)電源發(fā)展軌跡-wenkub
2023-05-19 17:27:17 本頁面
【正文】 of switching power supply. Such as: an AC DC converter or regulator to achieve steady flow, and a power factor correction feature, known as singlelevel (SingleSwitch Single Stage) or 4 S high power factor ACDC converter output 1 V, 50A of the lowvoltage highcurrent DCDC converters, also known as voltage regulator module VRM, to adapt to the next generation of ultrafast microprocessor power supply needs of multichannel (MultiChannel or MultiPhase) DCDC converter。s switching power supply applications and technical performance of great progress, and the family foundation is closely related to industry and enhance the national strength, and international advanced technology affecting the power switch. China fully demonstrated the power of talent and technical personnel of the entrepreneurial spirit of arduous struggle. In the 1990s, small and mediumsized (500 W below) ACDC and DCDC switching power supply is characterized by: high frequency of (switching frequency of 300400 kHZ) to achieve high power density, a small amount of light。s level of technological development with the international advanced level in an average of 5 to 10 gap. 1970s, I join in black and white TV sets, small and mediumsized puter in the beginning of 5 V ,20200A, 20kHZ ACDC switching power supply. 1980s into mass production and extensive application stage and Development of ~ 5 MHz quasiresonant softswitching power supply. In the 1980s, China39。s energy crisis, caused people to a wide range of customs. Linear power supply works in the frequency, the frequency used for the 20 kHZ the PWM switching power supply alternatives, could significantly conserve energy and power technology in the history of the development called 20 kHZ revolution. With ULSI chip size decreases, the size and power is much greater than the microprocessor。 spacecraft, submarines, military power and switch the batteries used portable electronic devices (such as mobile puters, mobile phones, etc.) need more small , Lightweight power. Hence the switch to power a small light requirements, including magic ponents and capacitors the size of small weight. In addition switching power supply requirements to higher efficiency, better performance, reliability, and so on. China39。s munications (such as the switchNote) in the ACDC power supply and DCDC switching power supply in the area of application is still relatively low proportion of six. The end of the 1980s largescale upgrading of China39。 to efficient and reliable。 web server (Server) The switching power supply to be a portable electronic equipment such as the highfrequency switching power supply. Mo
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