110 kV
For 110 kV circuit breakers with gas insulation not causing global warming 2024-09-30 No. 24NU-453
For the mounting of 400-330-110 kV earth system of substation 2024-08-07 24NU-381
For 400-330-110 kV earth system elements of substation 2024-08-07 24NU-381
For 110 kV instrument transformers 2024-05-06 No. 24NU-185
For nameplates of primary equipment 2023-07-20 No. 23NU-326
For 110 kV instrument transformers with gas insulation not causing global warming 2022-12-21 No. 22NU-471
For 110 kV polymer insulator rods 2022-12-08 No. 22NU-448
For 110 kV coupling capacitors 2022-10-31 No. 22NU-399
For 110 kV line traps 2022-10-27 No. 22NU-394
For 110 kV compact mixed technologies switchgears (MTS) 2022-07-28 No. 22NU-279
For 110 kV disconnectors 2022-07-27 No. 22NU-277
For 400-110 kV tubular conductors 2022-07-26 No. 22NU-276
For 110 kV support insulators 2021-12-20 No. 20NU-479
For 110 kV 2-nd Cl. surge arresters 2021-06-15 No. 21NU-194
For 110 kV 3-rd Cl. surge arresters 2021-06-15 No. 21NU-194
For 400-330-110 kV primary equipment connectors 2020-12-23 No. 20NU-474
For 110 kV SF6 gas insulated circuit breakers 2020-11-25 No. 20NU-426
For 400-110 kV conductors in substation (2020-09-18 No. 20NU-327)
For 110 kV SF6 Gas-insulated metal-enclosed switchgear (GIS) 2018-10-05 No. NU-288
For 110 kV SF6 gas dead tank circuit breakers 2016-12-09 No. NU-314