Unverified85% confidenceDecision RuleTime unknown
正弦波输出与模拟正弦波（阶梯波）区别关键：主动式PFC电源的电脑、部分APFC设备必须搭配纯正弦波输出UPS，阶梯波会导致这类电源啸叫甚至无法切换
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85%
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Long-term
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Unverified带主动式PFC电源的高端电脑/服务器电源，必须选择输出纯正弦波的UPS，模拟正弦波（阶梯波）可能导致PFC电源保护关机甚至损坏89% similarUnverified廉价方波/模拟正弦波UPS切换时会输出方波，可能导致主动式PFC电源的电脑重启或啸叫；接PFC电源、服务器电源务必选纯正弦波输出机型88% similarUnverified带主动PFC电源的电脑和高端电源必须搭配正弦波输出UPS，方波(模拟正弦波)会导致PFC电源异响、频繁重启甚至损坏，方波机型只适合老式被动PFC设备88% similarUnverified带主动式PFC电源的电脑（大多数中高端电源）必须选正弦波输出UPS，后备式UPS的模拟正弦波（方波）可能导致PFC电源无法识别而报警关机甚至损坏88% similarUnverified带主动式PFC电源的电脑（多数中高端电源）必须选用正弦波输出UPS，模拟正弦波（阶梯波）机型可能导致PFC电源无法识别、频繁重启甚至损坏87% similar
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