ENSURING ELECTRICAL SAFETY IN NETWORKS WITH RESISTIVE NEUTRAL GROUNDING

Avtorlar

  • Raximov F.M.

Gilt sózler: elektr xavfsizligi, taqsimlash qurilmalari, past qarshilikli rezistorli yerga ulash, rele himoyasi, tarmo, tok, izolyatsiya

Annotaciya

Ushbu maqolada energetika sohasi xodimlari va jihozlarning xavfsizligini ta'minlashda neytralni rezistorli yerga ulashnining muhim roliga e'tibor qaratadi. Bunda rezistorli yerga ulash parametrlarini tanlash, ularni himoya qurilmalariga ulash va ularning holatini kuzatish bilan yagona xavfsizlik standartlariga rioya qilish muammosi ko'rib chiqiladi.

Paydalanılǵan ádebiyatlar

1. The state all-Union standard 12.1.038 - 82. Electrical safety. The maximum permissible values of touch voltages and currents.

2. Verification of earthing global systems. L.Fickert, E.Schmautzer, C. Raunig, M.J.Lindinger. // Proceedings on 22nd International Conference on Electricity Distribution CIRED 2013. – Stockholm: 10 - 13 June 2013. - Pap. 0035.

3. Calculation of potential on grounding devices of substations in urban cable networks during single-phase ground faults. / M.S.Artemyev, A.S.Brilinsky, O.I.Grunina, G.A.Evdokunin . // Energy expert. 2015. №1, -P. 26-32.

4. The state all-Union standard R 50571-4-44-2011. Security requirements. Protection against voltage deviations and electromagnetic interference.

5. European Standard EN 50522 - 2011. Earthing of power installations exceeding 1 kV a.c.

6. Mayorov A.V., Chelaznov A.A. Transient processes during switching in a 20 kV network // ELECTRIC ENERGY. Transmission and distribution. 2016. № 3. - P. 60-65.

7. Weinstein R.A., Kolomiets N.V., Shestakova V.V. Neutral grounding modes in electrical systems. Tomsk: TPU Publishing House, 2006. –Р. 119.