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Sea to Sky's EngineWatch is a reliable engine monitoring system that provides 24/7 real-time data on a variety of a vessel's engine parameters so that engine performance can be monitored and optimized and emissions reduced. EngineWatch enables engine problems to be diagnosed and rectified early, preventing the exorbitant costs often associated with engine failures for parts and lost hire.
By monitoring and fine-tuning the vessel's engine based on data from EngineWatch, both the operator's bottom line and the environment benefit. Incomplete or unstable combustion increases polluting emissions and fuel costs because the fuel does not burn effectively. However, an EngineWatch optimized engine translates into fuel savings for a vessel operator and benefits for the environment by reduced emissions.
Simply put an ECOengine which reduces pollution, produces as many ECOnomic advantages for the vessel operator as it does ECOlogical benefits for the communities in which the vessel operates.
Key Features of EngineWatch
- 24/7 real-time data monitoring of critical engine parameters
- Monthly Vessel Specific Performance Evaluations
- Trending analysis and load diagram
- Critical engine parameters monitored include: Turbo Charger Revs and Efficiency, Fuel Pump Index, Engine RPM, Pmax, PComp and the exhaust temperature before/after turbo charger and after valves
- Expert diagnosis and advice from preeminent diesel engine experts
- Premet Online cylinder pressure monitoring with onboard display
- Shaft Power Meter with onboard display to monitor power, hull and propeller
- Reduced fuel costs by improved combustion
- Prevention of costly engine repairs and lost hire
- Reduction of polluting emissions by improved combustion
- Detection of hull and propeller fouling
- Enables operator to optimise important parameters such as cruising speed and trim
EngineWatch consists of digital engine diagnostic equipment and indicators permanently installed on the engine to report on engine performance parameters to ensure safe and optimized engine operations. Essentially, EngineWatch converts an analogue mechanical engine into one where the operating systems become digital microprocessor-based systems to produce an ECOengine. This permits the real-time review and analysis of the readings and reports generated 24/7.
Based on data accumulated a monthly Vessel Specific Engine Performance Evaluation including a rolling trending analysis is produced and analyzed. This diagnostic report includes performance curves related to the following important engine parameters: Turbo Charger Revs and Efficiency, Fuel Pump Index, Engine RPM, Pmax, PComp and the exhaust temperature before/after turbo charger and after valves. A load diagram including both the load point and load limits and ISO standard correction of performance data is also included.
In order to ensure global coverage, Sea to Sky has monitoring stations in North America by its partner Danica Diesel, and in Europe and elsewhere by affiliates of Sea to Sky, Danica Diesel and reknowned precision equipment manufacturer Lehmann and Michels (Lemag).
EngineWatch provides the necessary data for Sea to Sky, Danica Diesel and affiliates to interpret engine status including current engine deficiencies or potential equipment failures, and determine the best means to avoid possible engine damage or repairs.
The primary components of EngineWatch are the Premet Online Sensor and the Shaft Power Meter.
Premet Online Electronic Pressure Sensor
A key component of EngineWatch is the Premet Online, a permanently installed system developed for measurement of cylinder
pressure on diesel and gas engines. Each cylinder is equipped with a Premet pressure sensor and these sensors are attached to the existing indicator valves to measure the cylinder pressure on all cylinders simulataneously. This online information is then transmitted to a central computer for analysis.
The Premet Online component of EngineWatch monitors:
- Mean indicated pressure
- Maximum cylinder pressure
- Indicated power
- Torsional vibration
- Expansion pressure
- Main trend function
Shaft Power Meter
EngineWatch utilizes the Lemag Shaftpower XL, a permanently installed system, to monitor the condition of the main engine as well as of the ship's hull and propeller. By mounting two position encoders between two clamp rings in a known distance on the propeller shaft it is possible to measure the torque absolutely contact free and with quite high accuracy. Together with the speed, which is also measured contact free, the power output of the engine is calculated and displayed on the touch screen panel mounted in the control room. On the display the actual data can be compared with the original, pre-set load diagram.
Key Features of the Shaft Power Meter:
- Touch screen operated
- Suitable for engines with up to 200RPM
- Permanent torque display
- Permanent revolution display
- Reliable and robust design
- Alarm system (password protected)
- Option to connect to ship's control system
- Optional upgrades to determine SFOC and thrust
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