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[ ȣ ý ] ؼ ֱ EMTP ̿ е ؼ ġ ڰ ؼ
2013 7 3 () 00:00:00 |   ( 2013 7ȣ - ü )

ȣ ý
ؼ ֱ EMTP ̿ е ؼ ġ ڰ ؼ

ؼ Ÿ ڷκ ȣϴµ ߿ Ѵ. ̷   ؼ پ ȭ ȿ ǰ ־ ֱ ȸη ؼ EMTP ̿ е ؼ ް ִ. EMTP Ȱ е ؼ ġ ڰ ؼ Ѵ.
 
· ȭ
ܹ ߾ӿ ߸ Ű(ߣ) Ѩ 95 7ȣ

ڷ ϴ ߿ Ķʹ. ؼ ̿ ƴ϶ · , Ϲ а ̴. ؼ ȭ, ȭ, ȭ, ȭ , ݱ Ǹ ŵ Դ. , ȸηؼ EMTP(Electromagnetic Transients Program) ̿ е ؼ 忡ְִ. , ICT(Information and Communication Technology) ȸ ֱ ޼ӵ‘ ȭ ȸ’ ٲ ִ. ȭ ȸ ȭ·ȭ Ⱑ θ ̸鼭 ڿ ϴ ̳  ϴٴ ް ִ. ħ 3 ߻ϴ ڰ踦 ϰ, ߻ϴ ̳ Ȯϰ ľϷ õ ־ Դ. , ġ ڰ ؼ ο ؼ 忡 ְ ִ. ̷ ԰ ؼ ֱ EMTP ̿ е ؼ ġ ڰ ؼ ؼѴ. ؼ Ѵ.
 
EMTP ̿ е ؼ
ؼ α׷ EMTP ǥ α׷ ·ڰ ̿ϰ ִ. EMTP ؼ Ϸ õ 1980 迡 Ϻ ۵ ó ÷ ؼ ߴ. <׸ 1> ҿ ħ ؼ ʿ ؼ Ķʹ. ׸ ֵ, ҿ ߻ϴ Ϸ ڿ 󿡼 Ƿڱ·б ⿡ ̸ پ Ķ͸ ȭؾ Ѵ. ̸ Ϻȸ ȸ Ȱ ߽ ǰ ־, е ؼ 忡 ְ ִ.

ؼ Ķ ȭ
⼭ ߺ ؼ ߽ EMTP ̿ е ؼ Ѵ. ڼϰԴ Ϻȸ ȭ 𵨸(ȸ 704ȣ, 1998) ý EMTP ؼ(ȸ 872ȣ, 2002), ڼȸ ߺаȸ ߺ ̵(⼳ȸ, 1999) ϱ ٶ. , ⼭ ̳ ٸ 񿡵 ִ.

ؼ ȸ ߺҸ ؼ , <׸ 1> ؼ Ķ͸ EMTP ִ ڷ ȭϰ, ̸ <׸ 2> ؼ ȸθ ؾѴ. ̷ ؼ Ķ ȭ ȸη ؼ Ϲ ̴ ̴.


 
ؼ Ķ ȭ
• - 1/70 ( ) Ѵ. İġ ޸ Ѵ(<ǥ 1> ). , ĵ, Ĺ, İġ Ÿ⿡ Ư ؼ Ѵ.



•öž - öž <׸ 3> 4 öž 𵨿 Ѵ. ϴ Ǵ /Ϻ=220Ω/150Ω, ӵ ̴. ž ڿ Ѵ. ž ԵǸ ٲ 찡 ־ Ư ׿ ϴ 𵨵 ȵǰ ִ.
 
•, ̺, - ļ J. Marti ̿ Ѵ. ̺ (·) ļ ʴ ܻӤӺ ȸ Ǵ ٻK. C. Lee 𵨿 Ѵ. , , ̺, ؼ EMTP μϴ α׷(Line Constants Cable Constants) ̿ ۼ ִ.
 
• - б, , ν 뷮 شϴ ĿнϽ Ѵ. ܱ 𼱰 ϰ ٷ, ܱ 뷮 ĿнϽ ȸο ¸ Ѵ. , Ǽ ⿡ Ǽ ļ Ư ؾ ϴ , R-L-C ȸθ Ư Ѵ.

•Ƿڱ - Ƿڱ V-I Ư Ÿ ׿ Ѵ. Ƿڱ ؾ ϴ , 1μH/m δϽ Ѵ. , Ƿڱ⿡ ް ԵǸ ϱ⿡, Ư ϴ 𵨵 ȵǰ ִ.
 
•ŷȥ - ŷȥ (Leader Current) 𵨿 Ѵ. ̿ϸ ŷȥ V-t Ư Ȯϰ ִ. , ϰԴ ݰ ÿ ߻Ѵٰ ŷȥ ܶϴ ̹ ˰ ִ V-t Ư Ǻϴ ִ.
 
• ؼ Ķ - öž ̺̳ ϼ Ư ܻ ȸο Ѵ. , öž ̺ ȣ Ȯ ʾ . ̺ Ʈ ȸο ũν Cross Bond Ǵ ָ Solid Bond ȣ ġ Ѵ. , Ӽ 1μH/m δϽ Ѵ. ؼ ũƮָ ؾ ϴµ, Ǵ 200Ω ӵ ܻ ȸ 𵨿 Ѵ. Ư ϴ 쿡 ̿ Ư Ѵ.
 
EMTP ̿ ؼ
ݱ 77 Ҹ ؼ ʰ <׸ 4>. ؼ ׸ κ ȸη ߴ. , ŷȥ 𵨿 ϰ, ̰ EMTP α׷ TACS(Transient Analysis of Control Systems) ȭߴ. <׸ 4> EMTP ̿ϸ ݱ ڼ ؼ ִ. ̷ν 踦 ִ.


 
ġ ڰ ؼ




(1)İ Maxwell ̹ ƴ . E ڰ H 谡 Ư Ÿ ((׷ ): σ, : ε, : μ) ̿ ΰ ð ̺(4 ̺ ) Ÿ. , (1) ̳ ټ A Į ټ 渦 ̿ؼ ǥ ִ. E ڰ H ̺ Ǵ ǥ ִ ̵ ð ̻ȭvߤν ڰ ġ ؼ ִ. ؼ ̹ 1944⿡ ǥ, ǿ ġ ؼ Ⱑ ϴ 1960 Ĺݿ ó ǰ ƴ. ֱ ۽ ǻ ʰȭ ׵ Ⱑ ƴϸ ؼ å󿡼 ְ Ǹ鼭 ġ ڰ ؼ ̿ 䰡 Ϲȭƴ. <ǥ 2> Ϲ ̿ϴ ġ ڰ ؼ Ÿ ̴. ġ ڰ ؼ ؼ , ֱ ̸ ̳ ǹ 3 ؼ ϴ ġ ڰ ؼ ִ.


 
ġ ڰ ؼ ̿ ؼ
ġ ڰ ؼ ȸη ؼ ޸, ؼ (ġ ü ġ) ؼ ϴ ̴( ؼ ̿ϴ ġ ؼ( ҹ) ÷ֱ ٶ). ȸη ؼ δ ٷ 3 ؼ̳ ʿǰĿǼؼҼִ. ⼭ ġ ڰ ؼ Ʈ FDTD(Finite Difference Time Domain method: ð ) ϰ, ̿ ֱ ҰѴ.
 
Ʈ ̿ ؼƮ ü ǥ鿡 Ű ü ǥ ϴ ̴. Ư ļ Ʈ ü ׷() ٷ ϸ, , ż , 3 ؼ ִ. , ﰢ ҿ ġν ̳ ū ü ؼ ϰ ִ. <׸ 5> Ʈ ̿ ؼ ʴ. ؼ ٹ ߻ϴ ߴ. , ȣϰ ϴ ÿ ׷( ) ģ . <׸ 6> 600m ܵ ž ⿡ ־ ο ġ ¼ Ÿ ̴. ؼ ؼ ü ϴ ÿ ž ߻ϴ ڰκ ο ߻ϴ а ߴ. , ¼ ο Ϻο ߻ϴ .


 
FDTD ̿ ؼFDTD Maxwell ̻ȭ ð Ǫ , ˰ α׷ ϴ. ( Ƿڱ⳪ ) ؼ ־ dz · ȸ ؼ· ڰ ؼ ̿ϰ ִ. <׸ 7> ȸθ ؼ ʴ. ؼ ġ  Ե  ߻ϴ а ؼߴ. ؼ ȣϰ иϰ ְ ִ. <׸ 8> ־ ڰ ؼ ʴ. ؼ ü Ʈ ü ߴ. ؼ , ü ߻ ڰ谡 η .

 
ؼ
⼭ ؼ Ѵ.
 
EMTP ̿ е ؼ ϴ ؼ Ķ ȭ ؼ ü ǿ ؿ ִٰ ϰڴ. ٸ, ϴ ؼ Ȯ κ ̷ · ؼ ϰ ʿ䰡 ִ. ġ ڰ ؼ ؼ ؼ ؼϱ⿡ ȭ ȣ . ٸ, ؼ ð̳ ϴ ޸𸮰 Ŀ ð ȭ ޸ ʿϴ.
 
ICT ȭ ȸ Կ 迡 ڷ ı ٰ å(EMC å) å 䱸ȴ. ؼ ƴ϶ ڷ ڰ ؼ ߿ ȴ. ذϷ ȸη ؼ ġ ڰ ؼ ο ؼ ʿϴ. ̷ ϸ ü ؼ ϸ Ѵ.

 
*
ؼ ֱ ߴ. ̷ ڷᰡ ؼ ȭ Ǹ ڴ.

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