isthereanybodyknowstheformulao-查字典问答网
分类选择

来自步翠兰的问题

  isthereanybodyknowstheformulaofPowerFactor?urgent..tqvmuch

  isthereanybodyknowstheformulaofPowerFactor?

  urgent..tqvmuch

1回答
2020-09-2217:27
我要回答
提示:回答问题需要登录哦!
金康进

  PF=cosθ=(UdotI)/|UI|=cos[arg(ū/ī)]where'dot'meansdotproductoftwovectors,andūandīaretheequivalentcomplexvalueofvoltageandcurrent,respectively,andθistheanglebetweenth...

2020-09-22 17:30:41
大家都在问
最新问答