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近年来电脑已越来越多地进入寻常百姓家,给大家工作学习和生活带来了极大的方便,但在使用时也带来了不少的烦恼。一台家用电脑的耗电仅约100～200W左右(彩显稍多一些),比一般家用电器的耗电小得多。虽然它对电源的稳定性要求较高,但对电源电压并不太苛刻,一般在180～240V之间均能可靠地工作。有的电脑用户,购了电脑回家后一使用,却经常发生“死机”、程序出错、数据丢失,甚至造成电脑主机的硬、软盘驱动器及CPU等集成电路损坏,这是为什么?笔者从供电系统分析有以下几个原因:
In recent years, computers have increasingly entered the homes of ordinary people, bringing great convenience to everyone’s work and study and living, but they also bring a lot of troubles when used. A home computer’s power consumption is only about 100 ~ 200W (color slightly more), much smaller than the average power consumption of household appliances. Although it requires high stability of the power supply, but the power supply voltage is not too harsh, generally between 180 ~ 240V can work reliably. Some computer users, after buying a computer to go home and use it, but often “crash”, the program error, data loss, and even cause the host computer hard, floppy drive and CPU and other integrated circuit damage, which is why? There are several reasons for system analysis: