??????? ?????????
????? ?????????	????? - ???????????
????????? ?????????	??
???????????? ???? ???????????	??????	2
	???????? ??????	0
	??????????	2
?????????? ???????	??????	3
	??????????	2
	?????? ??	5

 

?????? / ?????? ?????????

? ?????? ??? ????????? ????? ?? ??????? ??? ??????????? ?????????? ??????? ??? ??? ???????????? ??????????? ???????? ??? ??? ????????? ??? ???????????? ???????????? ??? ???????, ????? ??? ?????? ????????? ??????, ?? ??? ??????? ??? ?????????? ????????, ??? ???????????? ??? ??? ???????????? ??????????? ??? ?????????? ??????, ??? ?????????? ??????? ????????? ?????? ??? ????????, ????? ??? ??? ?????????? Corona, ??????? ?????????? ??? ?????????, ?? ????????? ?? ?? ?????? ????????? ??? ???????????, ??? ???????????? ??? ??? ???????. ??????? ?????? ??? ??????????? ??????? ??????? ??? ???? ??????? ??? ?????????, ?????? ??? ???????? ??? ?????? ??????, ????? ??? ??? ??????? ??? ???????????? ??? ????????? ??????? ???? ??????? ?????????. ????????? ?? ?? ????????? ??? ??????????? ??????? ?? ?????????? ??????????? ??? ???? ??????? ?????? ??? ?????????? ?? ??????????? ??? ??? ???????? ??? ????????????? ??? ???????????? ?? ?? ????????? ??? ??????????? ????????????.

? ?????? ??? ????????? ????? ? ?????????? ??? ?????????? ?? ??? ????? ??? ??? ?????????? ??? ???????????? ????????? ??? ????????? ?????? ??? ???????????????? ?? ???? ?????? ??? ??????????????? ??????????, ????? ??? ??? ??????? ????????? ????????? ??? ??????? ??? ?????? ??????. ??????? ?????? ???? ?????????? ?? ??????????? ??? ??????????? ??? ???????????? ???????????? ???? ??????? ?????? ??? ??????????. ??? ????? ????? ??? Virtualengineering ???? ?????? ??????.

????????? ??? ????????? - ????????? ????? ?????????

???????????? ?????? ??? ?????? ??????. ????????? ????????? (HVAC) ??? ???????? ????????? ???????? ????? (HVDC). ???????? ??? ???????? ??? ??????. ?? ????????? ????? ??? ? ?????? ??? ??????. ??????? ?????? ?? ???????????. ??????? ?????? ??????. ? ????? ??? ???????? ????? ??? ?? ???????????? ?????????. ????????????. ???????? ?????? ?????? (ac, dc, ?????????? ??????). ????????? ???????? ??? ?????? ??????. ???????? ?????? ???? ??????? ?????????. ??????????? ????????? ???????.

???????? ????????? ??? ???? ????????? ?????????? ??? ????????? ???????????? ?? ????????? ????????????? ????????? :

????????	? ? ? ? ? ? ? ? ?
1 ?	? ???????????? ??? ?????? ??? Y????? T?????. ???????? ????????.
2 ?	?????? ??????. ?????????? ??????????. ?? ????????? ??? ????????? ??? ??? ????????.
3 ?	????????? ?????. ??????? ?????? ?? ?????? ???????????? ?????????.
4 ?	????????? ???????? ??? ?????. ?????????? ?????????. ???????????? ???????????????. ??????? Paschen.
5 ?	????????? ???????????? ?????????. ????????.
6 ?	?????? ?????? ????????. ??????????? ???????????? ????????. ????????????.
7 ?	???????? ?????. ?? SF6. ???? ???????.
8 ?	????????? ???????? ????? ??? ??????? ?????????. ??????? ??????????.
9 ?	???????? ?????? ??????. ????????? Ferranti.
10 ?	??????????? ????????? ????????? ?????? ??????. ????????? Cockroft, Marx, Van de Graaf, ??????????????? Tesla.
11 ?	????????? ?????? ??????. ???????????????, ????????????, ?????????????? ??????????.
12 ?	???????????? ??????.
13 ?	???????? ??????.

 

???????????? ????? ?????????

?? ???????????? ????? ??? ????????? ???????????? ????????? ??? ???????????? ???????????? (Corona ??? ????????) ??? ??? ???????????? ????????? ????????? ?????? (????????? ???????, ??????????? ??????, ????? ????????), ????? ??? ?????????????? ????????? ??????????????? ????? ??? ????????? ????????? ?????????? ?????, ???? ?????? ??? ????????? ????????? ??? ???????? ?????? ??????.

????????? ????????? ?????????? ??? ??????????? ???????????? ?? ????????? ????????????? ????????? :

??????????? ?????????

????????	? ? ? ? ? ? ? ? ?
	????? 1?. ??????? ?? ???????? ?????
1 ?	?????????? ??? ???????????? ???????????? ???????? ???? ?? ?.?.
2 ?	??????? ??? ???????????? ??????? ???????? ???? ?? ?.?.
3 ?	??????? ??? ???????????? ???????????? ??????? ?????????.
4 ?	??????????? ????????, ????? ????????.
5 ?	??????? ??? ?????????? ??????? ???????? ??? ?????????.
6 ?	??????? ??? ???????????? ??????? ????????? ??????.
7 ?	????????? ?? ?????????? ??????.
	????? 2?. ????????? ????????? ??? ???????? ?????? ??????
8 ?	???????????? ??????. ????????? ??????????????? ??? ?????.
9 ?	??????? ??? ????????? ??? ????? ?? ????????? ????????.
10 ?	????????? ????????? ?????????? ??????.
11 ?	??????????????? Tesla. ????????? Van deGraaf.
12 ?	?????????? ??? ????????? ??????? ?????????? ?? ?????? ???????? ??? ???? ???? (??????).
13 ?	?????? ????, ???????????? ???????? ?? ????????????? ?????? ??????.

 

??????????? ????????? ????????????

???? ?? ????? ??? ????????? ?? ???????? ?? ????? ?? ???? :

• ?? ????????? ??? ???????????? ??? ?????? ??? ?????? ?????? ??? ??? ??????? ????????? ????.
• ?? ????????? ??? ?????? ??? ?????????? ?????? ??? ??? ????? ????????? ??? ??????? ??? ?????? ???? ?????? ??? ????????? ??????.
• ?? ????????? ?? ??????????? ??????????? ??? ????????? ?????? (Corona, ??????? ?????????? ??? ????????).
• ?? ????? ?? ?????????? ?? ??????? ??? ????????? ??????? ????????? ??????, ???????? ??? ???????? .
• ?? ????? ?? ?????????? ?? ??????????? ??? ?? ???????? ??? ???????? ???????.
• ?? ????? ?? ?????????? ?? ???????? ?????? ?????? ?? ????? ?????????.
• ?? ????? ?? ?????????? ?? ??????? ?????? ?????? ?? ?????? ? ???? ?????? ??? ??????? ?????????.
• ?? ????????? ?? ??????????? ??? ????????? ??????? ???? ??????? ?????????.

???????? ??? ?????????? ??? ????????????? ??? ??????????? ??? ??? ???????? ??? ??? ???????? ??? ?????????? ?????? ??? ????????? : ????????? ????????????, ??????????, ????????????, ????????????? ???????? ??? ???????? ??????????? ??? ??????????? ?????? ??????.

????????? ?????????

1. ???????? ?. �?????????? ?????? ??????�, ?.?.?. ?????????, 2010
2. KuffelE., ZaenglW. Z., and Kuffel J., �High voltage engineering, fundamentals�, Newnes, Oxford, UK, 2000.
3. KuffelE., ZaenglW. Z., and Kuffel J �????????????�, ??????????????, ?????, 2008
4. Naidu M. S. and Kamaraju V., �High voltage engineering�, McGraw Hill, New York, USA, 1996.
5. KhalifaM., �Highvoltageengineering, theoryandpractice�, MarcelDekkerinc., NewYork, USA, 1990.
6. Maglaras A., Topalis F. V., �Influence of Ground and Corona Currents on Dielectric Behaviour of Small Air Gaps�, IEEE Trans. Dielectr. Electr. Insul, Vol. 16, No 1, pp. 32-41, 2009.
7. Maglaras A., Topalis F. V.,�The Influence of the Grounding of the Electrodes and the Corona Current to the Dielectric Behavior of the Air Gaps� Int. Conf. Med Power 08, Thessalonica, 2008.
8. Leandros A. Maglaras, Athanasios L. Maglaras,Frangiskos V. Topalis �The influence of the Effect of Grounding and Corona Current to the Field Strength the Corona Onset and the Breakdown Voltage of Small Air Gaps�, WSEAS TRANSACTIONS on POWER SYSTEMS, Issue 1, Volume 3, January 2008, ISSN: 1790-5060.
9. Maglaras A., Maglaras L. and Giannakopoulou K., �Influence of the Electric Field Inhomogeneity, the Voltage Polarity and the Electrode Grounding on the Dielectric Behavior of Small AirGaps� 3^nd Intern. Conf. Experiments, Process, System Modeling, Simulation & Optimization (3^nd EpsMsO), Athens, 2009.