Section 5 Electrical equipment
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Inland Waterways Ships, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 17 Steerable Bow Thrusters - Section 5 Electrical equipment

Section 5 Electrical equipment

Parent topic: Chapter 17 Steerable Bow Thrusters

5.1 General

5.1.1 The electrical installation is to be designed, constructed and installed in accordance with the requirements ofPt 5, Ch 16, 5.2 Generating arrangements.

5.1.2 Where the thruster units are electrically driven, the relevant requirements, including surveys, of Pt 6, Ch 2 Electrical Installations are to be complied with.

5.2 Generating arrangments

5.2.1 Where a central power generation system is employed, the requirements of Pt 6, Ch 2, 2.3 Number and rating of generating sets are to be complied with. The power generation system for the bow thruster is to be located in the fore ship.

5.2.2 Remote start stop including power generating is to be provided.

5.2.3 The stop of the bow thruster unit is to be independent of direction speed control.

5.3 Distribution arrangements

5.3.1 Thruster auxiliaries and controls are to be served by individual circuits which are to be located in the fore ship.

5.4 Auxiliary supplies

5.4.1 Where the auxiliary services and thruster units are supplied from a common source, the following requirements are to be complied with:

  1. The voltage regulation and current sharing requirements defined in Pt 6, Ch 2, 4.5 Alternating current service generators are to be maintained over the full range of power factors that may occur in service.

  2. Auxiliary equipment and services are to operate with any waveform distortion introduced by convertors without deleterious effect (this may be achieved by the provision of suitably filtered/converted supplies).

  3. The bow thruster should not influence the other essentials.

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