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我測量了6臺設備的電動機空載電流
電動機功率           空載電流              
1.6KW                1.7A        
3.7KW                                3.3A
3.7KW                                3.0A
3.7KW                                3.1A
7.5KW                                4.9A
                                            8.1A
想請問如何根據空載電流知道該電動機的功率  謝謝

寫的不錯哦，學習啦。