The Energy Efficiency Design Index (EEDI) and the Ship Energy Efficiency Management Plan (SEEMP) requirements were made legally binding by the MARPOL Annex VI, the first climate change treaty to be adopted since the Kyoto Protocol. The technical requirements in this treaty are aimed at promoting the use of more energy efficient (less polluting) equipment and engines. In determining the best way to save fuel, we must initially understand how it is utilised and how efficient the vessel is, in converting the energy. A complex ship system will already provide much of the information required to ascertain fuel usage and maintenance of the vessel but a measurement of shaft power can show the efficiencies.
As a result, we developed Marine Shaft Power Meter Systems to meet the requirements of the Commercial Marine customers to provide ongoing power monitoring data on ships. The current usage of the systems is to provide data for fuel economy and equipment maintenance planning programs. Fitted at an early stage the torsion meter system can be used in Ship Acceptance Trials and from that point on be a measure of the condition of the ship throughout its life cycle.
Shaft Power Meter Features
Fully Modular System: Shafts from 150mm to 1,100mm (and above)
Instrumentation Accuracy: 0.1%
System Accuracy: 0.1%
System Repeatability: 0.05%
Multiple Outputs: RS485, RS232, Modbus, Ethernet, 0-10V, 4-20mA, and USB Logging
Operating Temperature: -15
Environmental Sealing: IP67
Supply Voltage: 110 – 230 Vac, III or I, AC or DC 12-24V
Can Be Installed and Commissioned in 1-2 days
One-Time Calibration (No Re-Zero or Re-Calibration Required)
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Shaft Power Measurement
Shaft Power is an essential Input to Ship Performance Monitoring Systems. The data from monitoring actual power levels provide an accurate reference point to assist with assessing:
- Engine Performance Monitoring
- Ship Propulsion Efficiency
- Hull Condition
- Propeller Condition
- Specific Fuel Consumption
- Operational Efficiency Planning
- Ship Condition Changes
What Can a Marine Shaft Power Meter provide?
A shaft power torque meter accurately measures the power transmitted through a shaft, this enables you to measure the actual power that an engine is delivering to the propeller or generator.
A Shaft Power and Torsion Meter System is an essential tool to help in the reduction running costs from:
- 1 Fuel Saving
- 2 Improved Maintenance Scheduling
- 3 Equipment Protection
The same system will provide data to assess the value of new equipment and operating procedures
- Changes to Operation
- Changes to Fuel Types
- Changes to Hull Coatings
How Measuring Shaft Power Can Save Money On Fuel and Maintenance
Want to know more about how shaft power measurement can save money on fuel and maintenance? Download our white paper from Ship Technology here.