Unverified85% confidenceFactTime unknown

逆变器持续输出功率通常只有标称峰值功率的50-60%，宣传的'500W'常指峰值，实际持续可用约250-300W，按持续功率选型

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Unverified揉面为主的用户看额定功率而非峰值功率，额定功率≥1000W才能持续揉500g以上面粉不降速；很多标称1800W的实为峰值瞬时功率81% similar Unverified电源额定功率应按整机峰值功耗的1.3-1.5倍选取，让电源长期工作在50%-70%负载区间，此时转换效率最高且发热最低。如整机峰值300W，选450-500W额定电源最优79% similar Unverified电机功率并非越大越好：慢磨机功率通常150-250W但扭矩大出汁效率高；离心机常见400-1200W但主要用于提升转速，功率高不等于出汁率高79% similar

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