ؼ(Polarity) ߿伺 - I
ؼ ߴ ؼ ִ
ؼ(Polarity)̶
ؼ(Polarity) ֽϴ. Ⱑ 帣 ̺ μ(Line), (Neutral), (Ground) Ǿ ֽϴ. (AC) ڱ Line(Live) ⸦ Ƶ鿩 Neutral(Return) ֵ ȸθ մϴ. , Ⱑ ͼ ְ ؼ(Polarity)̶ Ѵ, Ͻø ˴ϴ.
IEC ڷ Ϲ
ýۿ ؼ ߿
ؼ
ؼ 쿡 ۼַƮ忡 ִ ڷ Դϴ.
ٸ ؼ ° Ŀڵ带 ¿, ؼ ݴ Ŀڵ带 Ŵ´ٸ ȴ( Ʈ ). ̷ Ǹ ⸦ Ŀ 帣µ(Ⱓ ٸ ) ̰ ٷ (Ground Loop)̰, ̴ (Harmonic) μ ġ ǿ ش. ؼ ߸ Ⱦ ͵ 60Hz ȣ ̶ ִ : ۼַƮ . 2017 32 |
ؼ(Polarity) (Phase)
̵ ȥϴ ؼ(Polarity) (Phase)Դϴ. ؼ ٸ Դϴ. ؼ ȸ´ 180 Ʋ (Out of Phase)ó ̰ ʽϴ. ǿ ؼ 鸮 մϴ. ؼ ȸ ǿ ġ ˴ϴ. ؼ ˾ƺڽϴ.
ؼ AC, DC شǸ AC ش ˴ϴ. ؼ , Ⱑ Line(L) κ Neutral(N) ٲ ̾߱ϸ, ȣ +(÷), -(̳ʽ) 180 ٲ ̾߱մϴ.
Out of Phase
Ŀ̺ + - ݴ (Phase) ٲ ƴ϶ ؼ(Polarity) ٲ Դϴ. ٲ ؼ (Out of Phase) ˴ϴ. ؼ (Phase) ð ֽϴ. Ŀ̺ ٲ 180 (Out of Phase) Ǵ Դϴ.
Phase Shift
ؼ ۿϴ ſ Դϴ. Ŀ ؼ ٸ ū Ǿ ֽϴ. ŭ (Delay) ٸ ֱ Դϴ. Ŀ Ҹ ª ȣ ũ ְ ˴ϴ. ª ŭ ȿ ﰢ Ÿ Դϴ. ĥų Ǵ Ÿ ˴ϴ. ó ؼ 180 ̰, ð(Delay Time) ļ (ְ)ǰ ˴ϴ.
ؼ ȭ
̸ ϸ ؼ(Polarity) ȸ ȣ (Phase) ָ, ý Ground Loop ǰ, 60Hz ϴ (Harmonic) Ͽ ظ ģٴ Դϴ. |
ũ(Peak) (Dip)
ؼ ȸ¾ ִ ǿ ýۿ ٸ Ÿϴ. ̾߱Ͽ Ư 뿪 ְ(Dip Peak) ϴ ̹Ƿ, ְ 뿪 ġ κ Ҹ(Dip)ǰų (Peak)DZ Դϴ.
ؼ üũ
Ϲ ڵ ؼ ̹ ͱ⸦ ̿Ͽ ڵ忡 մϴ. Ⱑ ùٸ ؼ Ǿٴ մϴ. ؼ ݴ Ǿִ 찡 ֽϴ. Ȯ ؼ ߽÷ Ʒ ܰ ϸ ˴ϴ.
ڵ忡
- Դϴ.
- Ƽǿ ڵ带 ̹ ͱ⸦ ̿Ͽ IECڸ ֺ ¿ ڿ ̳ ̹ մϴ.
- ʴڿ ̵ų Ƽǿ ڵ 180 ٲ㼭 ˴ϴ.
Ground - Line(Live) ʿ ; մϴ.
ڵ Ǵ Ⱑ ؼ ۵Ǿٴ մϴ. ؼ ݴ Ǿִ 쵵 ֽϴ. Ȯϰ ؼ ߴ Ʒ ϴ. |
- ͱⰡ ʿմϴ.
- Ŀ̺, Ŀ ϰ ڵ常 մϴ.
- ͱ "AC" ϴ.
- ڸ տ ڸ ˽ŵϴ.
- ͱ ڸ Ƽǿ ACڸ ݴ Žϴ.
- 5 մϴ.
- ߿ ڰ ° ùٸ ؼԴϴ.
(2.022V) ؼ ´ Դϴ.
ͷ
- ͼ մϴ.
- DZⰡ Ͽ () õմϴ.
- Ʒ ó Ʈ Ȯϰ մϴ.
ܻ
- 幮 ̱ Ⱑ ð ؼ ڹٲ 쵵 Ͽϴ. DACµ 30 ؼ 쵵 ־ϴ. ü Ȳ ܷ մϴ.
- ڵ ü ݵ鵵 , äκ ٸ ݵ ֽϴ. , ̿ø, ǾƳ, 巳 ִٸ , ̿ø ε ǾƳ 巳 ݵ鵵 ֽϴ. δ Ǵϱ Ͽ ݿ ִ ͼ ƮϽô ϴ.
ؼ ȸ¾ ȭ
ڵ ؼ Ŀ̺ ؼ ȸ¾ Ÿ ٸϴ. Ŀ̺ (Out of phase) ̰ , ڵ ؼ ٲ ýۿ, ȯ濡 , پ · Ÿ ˴ϴ. и ٴ Դϴ.
κ մϴ. ŭ ܴų 簨 ְ, ټ 鸱 ֽϴ. ؼ (Ground Loop) ̿ 60Hz -߿밡 ְǰ, Ŀ̺ ؼ (Out of Phase) ϰ ˴ϴ.
߿
ġ ų ε巯ϴ. Ȯϰ (Focusing) ʰ ų ּ մϴ. ý̳ ݿ ȭϰ ϰ 鸮 մϴ. (60Hz, 120Hz, 180Hz...) ߰ (Phase) ð ̷ ߿밡 ų ְ ϰ ˴ϴ.
ϸ鼭 ϰ 鸮 մϴ. ϸ ڼ̰ Ҷ, ̿ (Focusing) 鸮 ˴ϴ. ߸ ؼ ̿ ΰ ϴ. ؼ ߸Ǹ -ǰų , ϰ մϴ.
, Ŀ, äκи
ؼ ߸Ǹ κ ϴ. ý ̿ø Ҹ η ö鼭 ġ ÷ ٲ ٴϴ غ Դϴ. ְ ؼ ȸ ֹ Ȯ ϴ. ʽϴ. (Phase Shift) ¿ ä и(Channel Separation) ݴϴ. Ȯϰ ȸ° 鸮ų ġ ϰ ˴ϴ. Ȯ Ŀ ʰ DZ ġ ̵ϸ 鸮 ˴ϴ. и ȵǰ ü
(Imaging)
ؼ ȸ ũⰡ Ŀϴ. ߽ɺ е ֺΰ մϴ. ġ Ȯϰ ʰ ʿ ΰ 鸮 մϴ.
. Ȯϰ ϰ ѿ ȥŹ ֺη