User's Manual

 Power Quality Logger 
 䆄ᔩᮍ⊩
 35
೼⌟䞣ࡳ㛑 P Ё䅵ㅫ THD ˄ᘏ䇤⊶༅ⳳ˅
THD˄ᘏ䇤⊶༅ⳳ˅ – ⌟䞣ࡳ㛑 P
ࡳ㛑 P ϡ⌟䞣䇤⊶ؐDŽ
⬉य़˖
1
2
1
2
V
VV
THDV
RMS

V
RMS
˖ᘏֵোⱘ᳝ᬜؐ
V
1
෎⊶ⱘ᳝ᬜؐ
⬉⌕˖
1
2
1
2
I
II
THDI
RMS

I
RMS
˖ᘏֵোⱘ᳝ᬜؐDŽ
I
1
˖෎⊶ⱘ᳝ᬜؐDŽ
⊼ᛣ
ᇍѢᇣѢ
IE ˄⌟䞣㣗ೈ˅ 5 % ⱘ⬉⌕ˈ݊⬉⌕ᘏ䇤⊶༅ⳳ
˄
THDI ˅ৃ㛑ᄬ೼݊ᅗ䇃Ꮒ៪㗙ফࠄᡥࠊDŽ
᳔໮ৃ㗗㰥㄀
50 ⃵䇤⊶DŽ
䮾ব
䮾বᰃᇍܝ⑤ϡ〇ᅮᗻⱘ㾚㾝ॄ䈵ˈᑊϨܝ⑤ⱘ҂ᑺ៪ܝ䈅ߚᏗ䱣ᯊ䯈
㗠ব࣪DŽ䮾বᰃձ✻ IEC 61000-4-15 ᷛޚ䖯㸠䆄ᔩDŽⷁᯊ䯈 (st = short-
term) 䮾ব Pst ᰃ೼咬䅸ⱘ 10 ߚ䩳ᷛޚᯊ䯈䯈䱨ݙ䆄ᔩˈᑊ㹿⫼԰䅵ㅫ䭓
ᯊ䯈 (lt = long-term) 䮾ব Plt ⱘ෎⸔˄ᮍ⊩ᰃ∖ 12 Ͼ䖲㓁ⷁᯊ䯈䮾বؐ
ⱘᑇഛؐ˅DŽབᵰ䳔㽕ˈᯊ䯈䯈䱨ؐৃҹ೼ PQ Log 䕃ӊЁ᳈ᬍDŽ