References

SUBSEA Construction and Support Vessel Caballo Maya

April 18, 2011

Ship characteristics:

  • Length o.a. : 143,50 mtr
  • Breadth mld : 22,0 mtr
  • Ice serv. Draft : min. 7,5 mtr max.10,5 mtr
  • Accommodation : 300 persons
  • Installed power : 12.5 MW
  • Delivery : April 2011
  • Classification: ABS + A1 + (E) + AMS + ACCU + ICE CO + DP3 HELIDECK + ES + FiFi 2

EMC scope of supply:

  • Total electrical design, engineering and installation
  • Supervision and commissioning of electrical installation
  • 6 x Generator sets Caterpillar type 3516C (2200 E kW)
  • 1 x Emergency Generator set Caterpillar type 3412C (500 EkW)
  • 2x Main Switchboards 3 x 690V – 60 Hz
  • 2 x Main Switchboard 2 x 440V – 60 Hz
  • 7 x MCC for engine rooms and pump rooms
  • Emergency switchboard 3 x 440V/230V – 60 Hz
  • 2 x Main switchboard 3 x 230V – 60 Hz
  • 1 x Main switchboard 3 x 110V – 60Hz
  • 6 x 24 VDC System
  • 6 x UPS systems 230V-60Hz
  • 2 x LLC Transformers with Harmonic filters
  • 2 x Transformers 690V/440V 1875kVA
  • 2 x Transformers 440V/230V 150kVA
  • 2 x Emergency Transformers 440V/230V 99kVA
  • 2 x Starters and motors 1350kW for bow thrusters
  • 2 x Drives and motors 2.4 MW for Retractable thrusters
  • 3 x Drives and motors for 3.33 MW Main propulsion Azimuth thrusters
  • Integrated alarm/PMS/DP3/thruster control System about 2500 I/O
  • Fire detection
  • General and Fire alarm system
  • Bridge and Radio Outfit
  • Additional equipment and internal communication systems
  • Lighting installation
  • Electrical installation and equipment 230V

Reference systems,

  • 2x DPS Differential Position System
  • 2x Light Weight Taut Wire System
  • 2x Kongsberg Maritime HiPAP 500 System

Engineering

Engineering included engineering of the complete electrical package. Special attention was paid to the DP class 3 requirement of redundancy for all important systems in order to prevent that one single failure could cause loss of position during DP operations. Another major item in engineering was the very high short circuit current levels of a 17.6MW electrical plant at 690V.

Supervision

Electrical installation was carried out under supervision of a team of EMC supervisors Commissioning by EMC Commissioners. Supervision and commissioning is carried out in close co-operation with the owners team.

More Info

Download Caballo Maya The Caballo Maya is a new build diesel electric DP3 offshore vessel.

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