TI中文支持网手册上这么说
PFC_BL_ICMD_VminOverVmax:n: is the ratio of minimum over
maximum AC input voltage the PFC stage is designed for represented in
Q24 format. PFC_BL_ICMD_Vout_maxOverVin_max:n: is the ratio of
maximum output voltage over maximum AC input voltage and represented in
Q24 format.
Usage:This section explains how to use this module. The example assumes a PFC
Stage designed for input AC range of 280Vrms to 80Vrms and the max DC
bus voltage of 450V. Hence,
PFC_BL_ICMD_VmaxOverVmin:n: = _IQ24(280/80)=_IQ24(3.5)
PFC_BL_ICMD_Vout_maxOverVin_max:n: =
_IQ24(450/(1.414*280))=_IQ24(1.14)
问：
280Vrms to 80Vrms 是不是采集的AC电压的均方根的范围？
450是不是直流母线电压？
wellsking：
2018 年了，谁回复一下吧，我也想知道
手册上这么说
PFC_BL_ICMD_VminOverVmax:n: is the ratio of minimum over
maximum AC input voltage the PFC stage is designed for represented in
Q24 format. PFC_BL_ICMD_Vout_maxOverVin_max:n: is the ratio of
maximum output voltage over maximum AC input voltage and represented in
Q24 format.
Usage:This section explains how to use this module. The example assumes a PFC
Stage designed for input AC range of 280Vrms to 80Vrms and the max DC
bus voltage of 450V. Hence,
PFC_BL_ICMD_VmaxOverVmin:n: = _IQ24(280/80)=_IQ24(3.5)
PFC_BL_ICMD_Vout_maxOverVin_max:n: =
_IQ24(450/(1.414*280))=_IQ24(1.14)
问：
280Vrms to 80Vrms 是不是采集的AC电压的均方根的范围？
450是不是直流母线电压？
naughty boy：
这个Control suit 数字电源库有详细参数说明，你可以看一下，参数怎么计算怎么的来的都有详细说明
手册上这么说
PFC_BL_ICMD_VminOverVmax:n: is the ratio of minimum over
maximum AC input voltage the PFC stage is designed for represented in
Q24 format. PFC_BL_ICMD_Vout_maxOverVin_max:n: is the ratio of
maximum output voltage over maximum AC input voltage and represented in
Q24 format.
Usage:This section explains how to use this module. The example assumes a PFC
Stage designed for input AC range of 280Vrms to 80Vrms and the max DC
bus voltage of 450V. Hence,
PFC_BL_ICMD_VmaxOverVmin:n: = _IQ24(280/80)=_IQ24(3.5)
PFC_BL_ICMD_Vout_maxOverVin_max:n: =
_IQ24(450/(1.414*280))=_IQ24(1.14)
问：
280Vrms to 80Vrms 是不是采集的AC电压的均方根的范围？
450是不是直流母线电压？
wellsking：
回复 naughty boy:
qiangguang li 你好，谢谢回复
我看了controlSUITE 中的
BLPFC_Rev1.1.pdf
DPLib.pdf
DPLib_CLA_C.pdf
DPLibCLA.pdf
只大概提到。这两个参数应该个比值。
PFC_InvRmsSqr_VminOverVmax:n: is the ratio of minimum overmaximum voltage, which in this example is 80Vrms/283Vrms. This ratio isthen represented in Q30 format.
The PFC_InvRmsSqr_Vmin:n: is thesame value represented in Q24 format
PFC_InvRmsSqr_CLA宏如下，
#define PFC_InvRmsSqr_CLA_C(v) \ v.Out = (v.Vmin > v.In) ? v.Vmin : v.In; \ v.Out = __meinvf32(v.Out) * v.VminOverVmax; \ v.Out = v.Out * v.Out; \ v.Out = ((v.Out < LIMIT_PFC_INVRMSSQR) ? v.Out : LIMIT_PFC_INVRMSSQR)
v.Vmin 是一个比值，V.in是个电压输入，
v.Out = (v.Vmin > v.In) ? v.Vmin : v.In; 一个电压 跟 一个比值 做比较，这一步是要怎样理解。
能不能帮忙解释一下，谢谢！
