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

 

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

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

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

??

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

??????

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 3nd Intern. Conf. Experiments, Process, System Modeling, Simulation & Optimization (3nd EpsMsO), Athens, 2009.