Boskalis Dredging – WILLEM VAN ORANJE & GATEWAY - trailing suction hopper dredgers

The two trailing suction hopper dredgers were built for Boskalis Dredging. Bakker Sliedrecht designed and installed the complete electrical installation on a turn-key basis based on the specifications of Boskalis.

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foto Wim Verlek
Wim Verlek
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Design and installation of electrical package for two trailing suction hopper dredgers.

Both vessels are equipped with the BIMAC vessel management system for alarm monitoring and control. The modular BIMAC system is specifically designed for use in the marine industry by Bakker Sliedrecht. 

Scope of the project:

  • BIMAC vessel management system
  • 2 x PTO alternators 6,400 kVA
  • 1 x auxiliary alternator 1,900 kVA
  • 1 x emergency alternator 365 kVA
  • 1 x dredgepump motor 7,500 kW
  • 3 x jetpump motors 850 kW
  • 1 x suction tube draghead winch
    motor 410 kW
  • 1 x intermediate winch motor 410 kW
  • 2 x bowthruster motors 700 kW
  • Multiple HV/LV switchboards
  • Navigation and engine control desks
  • Water-cooled frequency drive
  • Voltage:
    3x6600 V - 50 Hz, 3x690 V - 50 Hz
    3x460 V - 50 Hz, 3x230 V - 50 Hz

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