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Execution period 2007 - 2008
Contractor Mini Maritsa Iztok EAD

CONSTRUCTION AND ERECTION WORKS AT THE SITE OF TROYANOVO-3 MINE

Construction and erection works at the site of Troyanovo-3 mine are at sub-site 110/20/6kV Substation No.7; Reconstruction of 20kV and 6kV SWGs and earth-fault protection Primary commutation

Substation No.7 rehabilitation includes, as follows:

  • Primary commutation of 20kV and 6kV SWGs, earthing system – procurement, erection and commissioning;
  • Secondary commutation of 20kV and 6kV SWGs, transformer star point earthing at 20kV and 6kV side - procurement, erection and commissioning;
  • Lighting installation and construction works.
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