The Practical Application of Hybrid Technology in the ... · PDF fileThe Practical Application...

The Practical Application of Hybrid Technology in the Marine Industry

Caterpillar Confidential Green

A Canadian based company specializing in the design and development of power, propulsion and control systems primarily in the marine and offshore oil and gas industries.

AKA - PRINCE EDWARD ISLAND

AKA - OWEN SOUND, ONTARIO

Operate a manufacturing and R&D facility in PEI with complete test lab and training facilities.

Designed and manufactured the world’s first hybrid tug.

Developers of the Advanced Generator Protection (AGP) system.

Aspin Kemp & Associates (AKA)

AKA Operations

Hybrid Projects

Marine Hybrid Reality

Patents Have Been Granted!

Dock Standby Transit Assist

Alta June Carolyn Dorothy

SOURCE: California Air Resource Board Report

Prepared by: University of California - Riverside

College of Engineering - for Environmental Research and Technology

Press Release - EPA

Source: http://www.epa.gov/cleandiesel/verification/techlist-foss.htm

Green Technology Integration

There are many options!

• Evaluating options and

selecting the appropriate

technologies for a project can

be a challenge.

• Use common sense and any

available hard data to

determine a technology’s

suitability.

• Beware of “Greenwashing”

and understand the limitations

of any selected technology.

• Non-monetary benefits might

drive a project.

Making the right decision is tough!

Hybrid

Hull Coatings

Tier III Diesels

• The choice must meet

requirements operationally,

commercially and

environmentally.

• Include stable

technologies…don’t

experiment with mission

critical systems.

• The proper balance is reached

when green solutions are

delivered at a competitive

cost, without losing sight of

operational performance.

Making the right decision is tough!

Hybrid

Hull Coatings

Tier III Diesels

Duty Cycle Considerations

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

SFC15 = 1.5xSFC50

percent of full load

specific fuel consumption *

* for a typical marine diesel (2500hp @ 1800 rpm)

The Hybrid Tug Rationale

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of time

Typical harbour tug duty profile*

*data from actual operations, Foss Maritime SoCal

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of time conventional power plant design point

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of time hybrid power plant design points

• As with many other vessel types, tugs need a significant amount of power….but not very often.

• Their propulsion design is typically focused on the tug’s rated bollard pull…where the vessels do not spend much time.

• Lack of flexibility in plant configuration leads to inefficiency.

Tugs: A Hybrid Realty Duty Cycle!

XeroPoint Hybrid System

Cat Powered Marine Hybrid

Hybrid Definition & Illustrations

Incorporating:

1. Generation and transmission of mechanical, mechanical-

electrical and electrical power for propulsion

2. Energy storage (Electrical, chemical and/or mechanical) to

absorb excess power developed and to allow it to be re-used

later in the operational duty cycle

3. Energy management & distribution system capable of

maximizing the vessel's efficiency at multiple points on its duty

cycle.

A propulsion system which incorporates combination of

energy storage and/or drive line configurations to reduce

or eliminate the low efficiency operation of combustion

engines.

Hybrid Marine Propulsion System

Conventional Configuration

Diesel-Electric

Diesel-Electric with Storage

Hybrid

Battery 1

Aux Gen 2

Aux Gen 1

Battery 2

Ship Services

Main Switchboard

Main Engine 1

Main Engine 2

Hybrid Schematic

System Control & Monitoring

Human Machine Interface

• Mounted on wheelhouse console and in engine room.

• Simple to use - lots of valuable information.

• Dynamic elements.

• Trending & Data Capture.

Control Console

Trending

• Fuel Savings

• Reduced Emissions

• Increased Redundancy

• Reduced Maintenance Costs

• Healthier Workplace for operators

Key Features & Benefits

Conclusions

• Environmentally friendly technologies can be

incorporated into vessel design and manufacturing

without compromising operation performance or

sacrificing cost competitiveness.

• The flexibility that can be achieved has the potential to

dramatically improve efficiency and life-cycle costs

compared to conventional vessels.

• Best achieved by taking a balanced, pragmatic and

methodical approach to selecting and incorporating

the available options.

Energy Management

System Overview

Detailed System Schematic

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

AC (Vessel Service) Bus

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Power Plant Modes of Operation

Non-Hybrid Mode

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Stop Mode

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Idle Mode

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Transit Mode 1

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Transit Mode 2

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Assist Mode

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Single Main Engine Mode

Aux Gen

DC Bus

Port Main

EngineM/G

VFD VFD

ClutchClutch

Stbd Main

EngineM/G

Clutch Clutch

Aux Gen

Batteries/Storage

Shore Power

Stbd Main

Engine

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