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英语翻译The UPS hall be of the static battery buffered type,size

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英语翻译
The UPS hall be of the static battery buffered type,sized to the sum of the loads plus 30% spare capacity.
The UPS shall have the following main features:
1.short-duration mains failure are to buffered by using a battery
2.permissible deviations of the mains voltage outside the normal tolerance range shall be smoothed out
3.non-permissible frequency deviations shall be compensated
英语翻译The UPS hall be of the static battery buffered type,size
UPS应为静态电池缓冲型,容量应为负载加上负载之30%的余量之和.
UPS应具备以下主要特性,
1,短时长的主机掉电应由电池作缓冲,
2,主电压超过正常误差范围的容许电压波动,应被滤除,
3,超出允许范围的频率波动应被补偿,