SIMOTICS FD (air-cooled and water-cooled) motors in marine design have been developed for operation below deck onboard ships. Motors intended for on deck operation or for offshore applications must be explicitly ordered using an additional order code (Article No. with additional identification code -Z and order code). The reason for this is that in these cases special measures are required. The thermal utilization of the motors is matched to the generally higher ambient temperatures onboard ship. If the application demands compliance with additional regulations, such as explosion protection, the appropriate motor series must be chosen.
The motors onboard ships are subdivided into three classes of importance by the marine classification societies in collaboration with customers, depending on the application:
Essential Service for Propulsion or also "Primary Essential Service"
Essential Service or also "Secondary Essential Service" or "Important Service"
Non?essential Service or also "Non-Important Service"
As the assignment of a drive to one of the importance classes has a direct impact on the scope of the marine options, this must be known when ordering the motor
The following services of the motor manufacturer are associated with the classes:
Class of importance
Essential Service for Propulsion
Essential Service
Non?essential Service
General breakdown
Drives integrated into the propulsion system of the ship.
Safety-related drives whose failure must not cause loss of maneuverability of the ship, nor place onboard safety at risk.
Drives and systems that are outside the responsibility of the classification societies.
Typical applications
Propeller drive, dynamic positioning drives, booster drives and shaft generators
Pumps for service water, winches, dredging pumps, fans
Design
In accordance with regulations of the classification society
Acceptance test certificate 3.2 according to EN 10204
In accordance with ambient conditions of the classification society
Acceptance test certificate
Acceptance test certificate 3.2 according to EN 10204
Acceptance test certificate 3.1 according to EN 10204 1)
Individual acceptance by classification society
Will be performed. Motor is assigned an individual certificate of the classification society.
Not required
A declaration of conformity is provided with the motor.
Ordering several identical motors
Differentiation between the first motor and additional ones must be realized when ordering using an order code.
No distinction
Rating plate data
Information about ambient conditions of the classification society
Stamp of the classification society
Stamp on the shaft 2) and motor housing
No stamp
1) Certificate is not stipulated by every classification society, but is always issued according to the internal quality standards within the scope of a routine test.
2) Provided that it is specified that the classification society supervises construction.
Classification societies
Society
Abbreviation
Location
American Bureau of Shipping
ABS
USA
Bureau Veritas
BV
France
China Classification Society
CCS
China
Det Norske Veritas
DNV
Norway
Germanischer Lloyd
GL
Germany
Korean Register
KR
Korea
Lloyds Register
LR
UK
Nippon Class
NK
Japan
Russian Maritime Register Of Shipping
RMRS
Russia
Other national classifications can be provided on request.
Regulations of the individual classification societies for motors:
Classification society
Coolant temperature CT
Admissible temperature rise limit according to the classification society
