Bergen B36:45V generating set
Choose Rolls-Royce Bergen engines for cost-effective operation
The Bergen B-series is based on a modular design, which gives a flexible platform and at the same time carries forward the Bergen traditional values as a robust and reliable engine.
The selection of technology was done after consulting a broad range of operators, designers and shipbuilders, to establish the qualities they prize in an engine. This engine series was first introduced to the market in 2014 as a diesel engine, and the gas version followed in 2018. It is available in several in-line or Vee cylinder variants for both diesel and gas, and is equally suitable for mechanical transmission or as a marine generating set.
Main benefits for ship yards:
- Easy installation
- Aligned piping at pump-end for easy connection
- New resilient mounting (no need of welding brackets)
Main benefits for ship owners:
- IMO Tier III compliant without SCR
- Single fuel = single bunkering
- No lubricating oil separator needed
- Fast load response
- Cleaner engine room and no smoke emission
- Extremely low methane slip at all engine loads
- Cylinder Pressure Monitoring (CPM) for improved load control, and possibility for diagnostics per cylinder
- Exceptionally low emissions of NOx, CO2, SOx and particulate
- No “switch over” problems - ref ECA or port regulations
- Long-term compliance with local port regulations and potential benefits from taxation/green port dues
- VVT – Variable Valve Timing for optimum response and load increase
- Gas safe (double wall piping)
- Possible conversion from gas to diesel and vice versa
- Wastegate turbocharger to ensure optimised fuel/air ratio at varying ambient conditions for lean-burn operationg ambient conditions for lean-burn operation
TECHNICAL DATA
| ENGINE TYPE | B36:45V12A | B36:45V16A | |
| Number of cylinders | 12 | 16 | |
| Engine speed | r/min | 720/750 | 720/750 |
| Mean piston speed | m/s | 10.8/11.2 | 10.8/11.2 |
| Max.cont rating (MCR) | kW | 6900/7200 | 9200/9600 |
| Max.cont rating altern, (h=0.97) | kWel | 6693/6984 | 8924/9312 |
| Max.cont rating altern, (Cos f=0.8) | kVa | 8366/8730 | 11155/11640 |
| Max.cont rating altern, (Cos f=0.9) | kVa | 7437/7760 | 9916/10347 |
| Mean effective pressure (BMEP) | bar | 20,9/21 | 20,9/21 |
| Specific energy consumption | kJ/kWh | 7420 | 7420 |
| Specific lubricating oil consumption | g/kWh | 0.4 | 0.4 |
| Cooling water temp. engine outlet | oC | 90 | 90 |
- The performance data is based on: Marine gas engine ratings are according to ISO 3046-1, at maximum 45°C ambient air temperature and maximum 32°C sea water temperature. Specific fuel gas consumption given at 100% load and no engine driven pumps, running on natural gas with Methane number above 70 and net calorific value of 36 MJ/nm3. To include 3 engine driven pumps, add 1.3% for each pump. Gas feed temperature is 20-40°C. Minimum gas feed pressure to Gas Regulating Unit to be 5,5 barg.
- Waste heat recovery: Necessary data for arranging waste heat recovery plants (exhaust gas and cooling water) are available upon request.
- Note: Due to continuous development, some data may be changed without notice.
| ENGINE TYPE | A | B | C | D | E | WEIGHT DRY ENGINE | WEIGHT GENERATOR |
| B36:45V12A | 3900 | 6900 | 10800 | 3140 | 4540 | 74400 kg | 25000 kg |
| B36:45V16A | 4500 | 8400 | 12900 | 3660 | 5010 | 99700 kg | 31000 kg |
* Weight dry engine excludes generator, foundation and transport foundation.
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CONVERSIONS, RETROFIT AND REFIT
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Data Sheet
KONGSBERG MARITIME
IS THE EXCLUSIVE DISTRIBUTOR OF ROLLS-ROYCE MEDIUM SPEED ENGINES FOR COMMERCIAL MARINE APPLICATIONS
Kongsberg Maritime P.O.Box 483, NO-3601 Kongsberg, Norway