By installing a turbocharger cutout system, one of the turbochargers can be disabled for low-load operation. This improves the performance of the rest of the turbocharger, reducing the SFOC.
The solution has been very well received by the shipping industry and has become a standard retrofit option for many vessels.

Principle of Turbo-Charger Cut Out Device

• The red in

  is the T/C efficiency curve for each load of the normal engine, and the blue is the efficiency curve when one of the three T/Cs is cut out.

• Under normal conditions, when operating at a low load of less than 30%, the T/C efficiency drops to less than 20% as shown in

  , resulting in poor combustion and increased fuel consumption.

• One T/C cut out the exhaust gas, the driving power of T/C, which was distributed to 3 T/Cs, and the driving power is distributed to the other 2 T/Cs to increase T/C efficiency, thereby improving scavenging efficiency and the fuel consumption rate is improved as shown in

  .

Configuration of Turbo-Charger Cut Out Device

Verification of Turbo-Charger Cut Out Device