BES MONTAJ
Routine repair at the 110/10 kV Karier substation

Routine repair at the 110/10 kV Karier substation

Kumtor mine
2025
HV substation maintenanceTransformersAutomation

1Challenge

Ensure reliable and safe operation of the 110/10 kV Karier substation through routine equipment repair and elimination of identified defects.

2Solution

The condition of the substation equipment was inspected and diagnosed;

The identified defects were repaired: worn components were replaced, and the equipment was adjusted and cleaned;

Protective and switching devices were tested for proper operation;

Commissioning was carried out after the repair.

3Scope of work

  1. 1Current repairs were made at the "Quarry" ПС-110/10 кВ
  2. 2Repair at Т-1 with 110/10 entry cells kV and ТСН-1
  3. 3Repair at Т-2 with 110/10 entry cells kV and ТСН-2
  4. 4Repair for 1-СШ-110 кВ with connections
  5. 5Repair for 2-СШ-110 кВ with connections
  6. 6Repair on ТН-1-СШ-110 кВ
  7. 7Repair for 1-СШ-10 кВ with outgoing feeders
  8. 8Repair for 2-СШ-10 кВ with outgoing feeders
  9. 9Technical repair on LR -ВЛ-110 кВ "Карьер-2"
4

Result

The 110/10 kV Karier substation has been fully restored and is ready for safe operation;

The risk of accidents and power outages has been reduced;

Reliable equipment operation and a stable power supply to connected consumers are ensured.

Next project

Installation of a transformer substation, laying of a 10 kV cable line and installation of K-59 KRU-10 switchgear cells

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