Project overview
Maribaya Port, a key support for Guinea’s Simandou Iron Ore Mine, sits on the east bank of the upper Maribaya River in Forecariah Prefecture, Conakry. Bordering the southeastern Atlantic, it is ~25 nautical miles from Conakry and has a tropical rainforest climate (24-32℃ annual average temp).
Phase I: Iron ore shipment via barge + offshore lightering, 70M tpy throughput. 4 berths (12k-ton class) and approach bridges to be built.
Phase II: Planned deep-water port for 325k-ton bulk carriers, adding 80M-100M tpy throughput.
Project Requirements:
• Collect data from 10kV substation
• Realize remote status, remote measurement, Remote control between high&low voltage cabinets
• Data uploading to the dispatching system
Project Solution
10kV Incomer Cabinet (Acrel AM5SE-F Protection):
undervoltage-blocked overcurrent protection → Trip
Earth fault protection → Signal
10kV Bus Coupler Cabinet (Acrel AM5SE-B Protection):
Overcurrent protection → Trip
Fast transfer switching for bus tie engagement
10kV PT Cabinet (Acrel AM5SE-UB Protection):
PT parallel protection
10kV Transformer Feeder Cabinet (Acrel AM5SE-T):
Current instantaneous protection, temperature protection, and overcurrent protection → Trip
Overload / Earth fault protection → Signal
Local Panels:
Monitoring host + RTU panel
Real-time data upload to dispatch center
Platform Feature
Monitoring Host Panel:
Performs data acquisition from 10kV switchgear components including:
Protection relays，Measurement & control units，DC power panels，Other intelligent devices
Core functions: Telemetering (YA), teleindication (YX), telecommand (YK), alarms, report generation, switching order management, and anti-misoperation
Dispatching Data Network Panel
Transmits SCADA data to all dispatch tiers via:
1. Dedicated point-to-point channels
2. Station-level data network access equipment
Software Feature
Post time: Jan-20-2026