Application Note

Slip Ring Solutions for Offshore Vessels

Our strength is producing customized slip rings for harsh environments. We know what technical specifications are important for slip rings to minimize downtime for cranes and deck machinery used offshore.

Penlink has a long experience in slip rings for offshore equipment as cranes, ROV umbilical, science winches and deck machinery. With the experience from the wide range of application, we can supply slip ring customized for your needs.

To get a secure transfer of electricity from the stationary ship to the rotating crane the slip ring must be carefully designed. To ensure a redundant and safe transfer the slip ring can be divided into completely separated compartments. If one compartment is subjected to a fault another completely isolated compartment can fulfill the slip ring function.

All Penlink crane slip rings can be equipped with fiber optical rotary joints. We can supply everything from 1 fiber optical channel to as many as you need, both multimode and single mode, and the connectors of your choice. The slip rings can be equipped with rotation sensors, such as gyros or accelerometers that can accurately and absolutely give the rotation angle of the crane.

Certifications for every operation

We have certified slip rings according to many different standards and regulations, and have received certifications from DNV GL, ATEX, IECEX, BV etc.  We already have designs that fulfill the requirements from DNV for DP 3 cranes with fully separated chambers. This design is now also in approval for BV.

All projects are different; therefore our design can be adaptable for different requirement, and we can modify our design to suit your needs.

Read the application note for slip rings and application examples.