1744/1743
⫼᠋ݠ
34
THD V
˄⬉य़ᘏ䇤⊶༅ⳳ˅
–
ࡳ㛑
A
ࡳ㛑 A˖
1
50
2
2
V
V
VTHD
n
n
¦
V
n
˖ #n 䇤⊶乥⥛ⱘ᳝ᬜؐ
V
1
˖乥ⱘ᳝ᬜؐDŽ
THDV˄⬉य़ᘏ䇤⊶༅ⳳ˅˖㒓䏃⬉⑤⬉य़᠔᳝䇤⊶ⱘᘏ䞣ऴ⊶ⱘⱒߚ
↨DŽ
䖭⾡ㅫ⊩ᰃձ✻ EN 61000-4-7 ᷛޚDŽ
⬉⌕ᘏ䇤⊶༅ⳳ˄THD˅˖
ࡳ㛑 A˖
1
50
2
2
I
I
THDI
n
n
¦
¦
50
2
2
n
n
IATHDI
I
n
˖ #n 䇤⊶乥⥛ⱘ᳝ᬜؐDŽ
I
1
˖乥ⱘ᳝ᬜؐDŽ
THDI˄⬉⌕ᘏ䇤⊶༅ⳳ˅:⬉⌕ⱘ᠔᳝䇤⊶ⱘᘏ䞣ऴ⊶ⱘⱒߚ↨DŽ
