Bosch Rexroth. The Drive & Control Company

Transkript

1 Designing for the future : Drive technology for ROV / LARS Systems Steve Smith Regional Sales Manager Bosch Rexroth Ltd steve.smith@boschrexroth.co.uk DC-IA/SDM41 Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

2 Agenda Introduction to Bosch Rexroth Work Class ROV LARS System overview / working environment Current drive technology Advantages / Disadvantages Future working environment / drive technology Close 2

3 UK Company Bosch Rexroth is a wholly owned Subsidiary of Robert Bosch Bosch Rexroth UK employs 347 people / turnover 120million. UK Headquarters facilities situated in St Neots Cambridge. Components, systems and modules for Hydraulic, Mechanical and Electrical Applications Known in the Industry as the Drive and Control Company 3 3

4 Underwater Remote Operated Vehicles Developed in the 1960 s by the US Navy 3000 / 3500m operating depth Used extensively in O&G. The WCROV is the Worker Bee of the sea 4

5 Typical WCROV LARS system 5

6 A Frame launched system Port & Stbd systems Images courtesy of IHC, TMT and Lebus 6

7 Cursor / Moonpool launched system Used in heavy seas applications ROV is launced via cursor to avoid damage in splash zone Images courtesy of MBARI & Konsberg 7

8 Common WCROV winch drive systems WCROV Drive system Direct drive Slew ring / pinion Hydraulic Open / Closed loop Hydraulic mechanical Electro mechanical Multiple direct drive Multiple Gearbox with electric motor Multiple Gearbox with hydraulic motor Single gearbox with electric motor 8

9 Hydraulic Direct drive Single case rotating radial piston motor Closed loop 200Kw HPU 9

10 Multiple Hydraulic drives Either driven:- Direct through slew ring Via gearboxes / hydraulic motors. Image courtesy of ACE Winches 10

11 Electromechanical Driven through a slew ring 3 planetary gearbox drives c/w electric motor Power cabin containing inverter drives, power supplies and controls Image courtesy of Rapp Marine 11

12 Benefits / Advantages / disadvantages Drive system Complexity Weight / size Maintenance Suitability for hire Retrofitting enhancements Future capability Through Life Costs Investment costs Direct drive hydraulic Low Low High Good Excellent Limited to drive motor size Hydraulic mechanical Multiple Electro mechanical Multiple Low Low High Good Excellent Excellent Medium High Medium Okay Good Excellent DCL/MKT Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

13 The future working environment Increased uptime Increased sea state capability Operating in depths upto / over 4500m (GOM & East Africa Active heave control (AHC) fitted as standard Increased electrification Energy regeneration More automation 13

14 Outlook: Electric AHC / Hydraulic AHC (Secondary Control) m GB M = ~ Inverter Secondary controlled drive DC-Bus Rectifier = ~ Capacitors AC-Power Primary circuit 14

15 Smart Electric Energy storage (lifting) DC-bus Resistor 0,4 MW Winch 2,5 MW 0,5 2,5 MW 2,0 MW AC grid Energy Storage Jan Hein van den Broek Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

16 Smart Electric Energy storage (lowering) DC-bus Resistor 0,4 MW Winch 2,5 MW 0,5 MW 2,0 MW AC grid Energy Storage Jan Hein van den Broek Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

17 Smart Mechanical Energy storage (idle / feeding) DC-bus Resistor 0,4 MW Winch 2,5 MW 0,5 2,5 MW 2,0 MW AC grid 100% 10% Energy Storage Jan Hein van den Broek Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

18 Smart Mechanical Energy storage (lifting) DC-bus Resistor 0,4 MW Winch 2,5 MW 0,5 MW 2,0 MW AC grid 100% 10% Energy Storage Jan Hein van den Broek Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

19 Smart Mechanical Energy storage (lowering) DC-bus Resistor 0,4 MW Winch 2,5 MW 0,5 MW 2,0 MW AC grid 100% 10% Energy Storage Jan Hein van den Broek Bosch Rexroth AG Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe

20 Thank you for your attention! Title of presentation 20