Mining

HV Mine Supply Substation — Rhodope Mining Operations

Design and construction of a 110/6 kV mine supply substation rated 32 MVA for continuous mining operations in the Rhodope region.

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2024Year

MIG built a dedicated 110/6 kV supply substation for a copper mining operation requiring uninterrupted 32 MVA supply for mine dewatering, ore processing, and ventilation systems. The substation includes N+1 transformer redundancy with automatic changeover.

The 6 kV switchgear feeds 11 outgoing feeders to underground drives and surface plant. All equipment was specified for operation at 1500 m altitude with a 50-year design life. MIG managed the complete project from rock-anchor civil foundations through to TSO acceptance tests and energisation.

Project Milestones

Design & Engineering

Feasibility study, schematic design, permit submission, and equipment specifications finalised.

Design & Engineering

Feasibility study, schematic design, permit submission, and equipment specifications finalised.

Manufacture

Factory assembly of switchgear panels, transformer station enclosure, and cable management systems.

Manufacture

Factory assembly of switchgear panels, transformer station enclosure, and cable management systems.

Site Installation

Civil works, equipment delivery, installation of primary and secondary systems, cable termination.

Site Installation

Civil works, equipment delivery, installation of primary and secondary systems, cable termination.

Commissioning & Handover

High-voltage testing, protection relay settings, grid connection approval, and client handover.

Commissioning & Handover

High-voltage testing, protection relay settings, grid connection approval, and client handover.

Project Location

Bulgaria

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