maritime energy systems related research activities at nus
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Maritime Energy SystemsMaritime Energy Systemsrelated research activities
at NUSat NUS
Maritime Institute @ NUS
Maritime Institute @ NUS
P t ti O tliPresentation Outline
1 Presentation on LNG and Biofuels1. Presentation on LNG and Biofuels2. Presentation on Integrated Power Electric
Propulsion & Energy ManagementPropulsion & Energy Management Systems
3 Q&A3. Q&A
Maritime Institute @ NUS
LNG Val e Chain CostsLNG Value Chain Costs LNG plant25% -15%
Transport30% - 10%
Gasproduction25% - 15%
Receivingterminals25% - 15%
Maritime Institute @ NUS
Past/C ent Resea ch P ojectsPast/Current Research Projects
Methane storage & transport Transport & logistics Fuels & LNG bunkering
• Market potential for LNG in Singapore IA Karimi, KM Teo, BC Khoo, Shell, Rolls-Royce
SMI/MPA Shell Rolls Royce SMI/MPA, Shell, Rolls-Royce
Energy efficiency Carbon capture & emissions Carbon capture & emissions
5Maritime Institute @ NUS
Methane Sto age & T anspo tMethane Storage & Transport
Expertise / Project PrincipalResearchers
Goal/ Motivation
Collaborators /Funding
Transport as ANG or KC Ng (ME) Short sea and MPA SLNG Transport as ANG oradsorbed natural gas
KC Ng (ME) YS Choo (CEE)BC Khoo (ME)WS Loh (ME)
Short sea and small carriers for distribution & power generation
MPA, SLNG, gas companies
Methane hydrates for transport andproduction
TS Tan (CEE)A Palmer (ME)P Linga (ChE)S Ad (MSE)
Carbon storageand methane resource
A*STAR, MPA, CORE
S Adams (MSE)Well placement / Reservoir modeling
IA Karimi (ChE)KM Teo (ISE)
Reduce drilling costs & increase success rate
RPI Energy, Sharif Uni
6
success rate
Maritime Institute @ NUS
T anspo t & LogisticsTransport & LogisticsExpertise / Project Principal
ResearchersGoal/ Motivation
Collaborators /Funding/ g
Logistics network optimization
IA Karimi (ChE)KM Teo (ISE)
Supply/Distribution
Shell, Rolls-Royce,
Sloshing and ship BC Khoo (ME) Modeling & MPA, Qatar Uni, g pstability
( ) gsimulation
, Q ,QNRF
Ship operations planning, & inventory
IA Karimi (ChE) Chemical parcel
MPA, NTNU, BMT Asia, GBLT,
management tankers Odfjel, Stolt-Nielson
Integrated green and ffi i t hi i
Ng Szu Hui (ISE)Ch Ch S
Fuel mana-t f
APL, NOLefficient shipping Chang Che Sau
(ECE)gement of liner shipping
Understanding vessel movements &
Chang Che Sau (ECE)
Navaldecongestion
7
movements & interactions
(ECE) decongestion and safety
Maritime Institute @ NUS
F els & LNG B nke ingFuels & LNG Bunkering
Expertise / Project Principal Goal/ Collaborators Expertise / Project PrincipalResearchers
Goal/ Motivation
Collaborators /Funding
Next generation dual-fuel internal combustion
WM Yang (ME) Reduce emissions & fuel internal combustion
enginesemissions & increase efficiency
Bunkering operations IA Karimi (ChE) Infrastructure Shell, Rolls-g p ( )KM Teo (ISE) & market
potentialRoyce, MPA, SMI
Biodesulfurization of b k f l
IA Karimi (ChE) Deepd lf
IIT (USA)bunker fuels desulfurizationFuel efficiency & enginecombustion
IA Karimi (ChE)M Saeys (ChE)
Cambridge,NRF
8Maritime Institute @ NUS
Ene g EfficiencEnergy EfficiencyExpertise / Project Principal
ResearchersGoal/ Motivation
Collaborators /Funding
Process intensification GP Rangaiah (ChE) Reducefootprint, weight
Energy integration & process optimization(Refrigeration systems)
IA Karimi (ChE)GP Rangaiah (ChE)
Reduce fuel usage
QatarGas, Qatar Uni, SLNG, A1 Process Associates, KFUPMsystems) KFUPM
Waste heat recovery systems
YK Koh (ME) Thermo-electric designsdesigns
Waste heat driven adsorption desalination & cooling
KC Ng (ME) Conserve energy
Singapore, Poland, Saudi Arabia
9
Boil-off reduction/ fuel gas networks
IA Karimi (ChE) Reduce flaring
Qatargas, UTAustin (USA)
Maritime Institute @ NUS
Ca bon Capt e & EmissionsCarbon Capture & Emissions
Expertise / Project PrincipalResearchers
Goal/ Motivation
Collaborators /Funding
Adsorption-based S Farooq (ChE) Reduce ICES, A*STARpcarbon capture
q ( )IA Karimi (ChE)J Jiang (ChE)
footprint & energy penalty
,
Separation S Farooq (ChE) Reduce SOx, KOMTechtechnologies TS Chung (ChE)
IA Karimi (ChE) Nox, & CO2
Fuel consumption & carbon emissions in
S Bayen (CEE) Gather data and study carbon emissions in
Singapore portand study emission patterns
10Maritime Institute @ NUS
Bioene gBioenergy
Expertise / Project PrincipalResearchers
Goal/ Motivation
Collaborators /FundingResearchers Motivation /Funding
Cellulosic / Lignocellulosicbiomass conversion
JZ He (CEE)IA Karimi (ChE)Z Zhou (CEE)
Reduce carbon emissions; alternative
Refineries, SPC, Caltex, A*STAR ICES biomass conversion Z Zhou (CEE)
DY Lee (ChE)alternative feed sources
A STAR, ICES, Wilmar
Algae bioenergy(Photobio reactor,
KC Loh (ChE)YW Tong (ChE)
3rd generation biofuels, non-
Metax Engg, Sembcorp, ( ,
systems biology, anaerobic digestion)
g ( )L Yung (ChE)DY Lee (ChE)
,food crop, CO2sequestration
p,Oiltek, Aquarius systems, Keck Seng Keppel Seng, Keppel Seghers
Catalytic trans-esterification of algae
S Kawi (ChE)K Hidajat (ChE)
Syntheticdiesel
Sime Darby, Ecogreen
12
esterification of algaeoil (developing acid-base catalysts)
K Hidajat (ChE)D Leong (ChE)
diesel Ecogreenoleochemicals
Maritime Institute @ NUS
Bioene gBioenergy
Expertise / Project PrincipalResearchers
Goal/ Motivation
Collaborators /Funding
Biotransformation for biodiesel (High throughput screening for biocatalysts
Z Li (CEE)IA Karimi (ChE)DY Lee (ChE)
Strain improvement
Alpha Biofuels
for biocatalysts, synthetic biology)Maritime algae wastewater treatment
M Quah (ChE) CO2 sequestration
Jonathan Trent (NASA)q ( )
13Maritime Institute @ NUS
• Integrated power and propulsion system can Reduce fuel consumption by almost 50%
Sources: Converteam and Rolls Royce
Reduce fuel consumption by almost 50% Reduction in gas emissions, CO2 and NOX by 50%
Maritime Institute @ NUS
Source: IEEE PCCI Paper by Terry Ericsen, 2009, IPPS: A DC Distribution Concept Derived From the DC Link of a AC to AC Motor Controller
Maritime Institute @ NUS
Past/C ent Resea ch P ojectsPast/Current Research Projects
Electrification of transport sector Smart-grid Power Electronics and Motor Drive Systems Energy efficiency High-power Semiconductor Devices
• Industrial collaboration Sanjib K. Panda, Keppel FELS, Rolls-Royce, Infineon
Ch Ch S K l FELS Chang Che Sau, Keppel FELS,
YC Liang, A*STAR (IME)
SMI/MPA, A*STAR (EPGC, ICCS, IME, SimTech, I2R), JTC, URA,
17Maritime Institute @ NUS
Electric Propulsion (cntd.)Electric Propulsion (cntd.) Shunt Active Filter to eliminate current harmonics at bus bar to
ensure lowest possible VTHD under unbalanced load as well as generalized grid voltage conditions.
Replacing front end diode-bridge-rectifier with Active PWM RectifierRectifier Optimized Switching Frequency operation of PWM rectifier with Multi-level
topology. Implementation with High Power IGBTs with medium switching frequency.p g g q y
Implementation of the thruster motor drive using Load Commutated Inverter fed Synchronous Motor Drive to ensure high dynamic performance at reduced costperformance at reduced cost.
Applications of wide band-gap high-power semiconductor devicesSiC or GaN or Diamond for high switching frequency operation of
l ipower electronic converters. Improved current waveforms with lower THD and compact size
Maritime Institute @ NUS
I t t d P M t S tIntegrated Power Management System
Marine Control Structure Maritime Institute @ NUS
I t t d P M t S tIntegrated Power Management System Optimal scheduling of the generators to reduce the fuel
consumption in maritime vessels by about 5%consumption in maritime vessels by about 5%. Energy Efficient Thrust Allocation algorithm for maritime vessels
with energy savings of about 40%. Ensuring less wear and tear of thruster motor; Enhanced Dynamic Performance of the drive, because, the
thrusters operate in the efficient region (at higher load);p g ( g ); Simpler v/f control can be used to control the induction motor;
and No need of additional hardware integration The proposed No need of additional hardware integration. The proposed
approach can be integrated in the existing system by changing theDP software.
Maritime Institute @ NUS
Condition Monitoring & Predictive Maintenance of
Marine Power Plant Marine Power Plant
Maritime Institute @ NUS
Completed Resea ch P ojectCompleted Research Project
Predictive Maintenance and Condition M it i f M i P Pl t C ll b tMonitoring of Marine Power Plant, Collaborators: MPA & APLChang Che Sau, ECE g ,
Tan Woei Wan, ECE
23Maritime Institute @ NUS
Predictive Maintenance and Condition Monitoring of Marine Power Plant (1/4)
Objectives: Overall Architecture:j Optimisation of Adaptive
Fuzzy Maintenance Advisor for offshore power system
di i
Maintenance Activity Optimizer
Adaptive Maintenance Advisor
M i tSpreadsheet T l A l i
Type-2 Fuzzy Logic Learning and Analysis System
Maintenance Activity Optimizer
according to operation uncertainties and condition updates
Implementation of fault Optimization No
Maintenance Optimization
Process
Tool Analysis to Basic
Reliability Model
Parameters Reevaluation
Type-2 Fuzzy Logic System
Equipment Information Implementation of fault detection algorithms for electric motors and wind –power generators Diagnostic
Terminate?
Optimal Inspection Frequencies for
Decision Making Based
Yes
Equipment Operating Records
New Maintenance
Condition and Operation Update
Information from Outside and Inside
Maritime Institute @ NUS
power generators Tests Frequencies for Individual Equipment
Making Based on Expertise
Maintenance Record
Predictive Maintenance and Condition Monitoring of Marine Power Plant (2/4)
O ll LOverall Layout:
Maintenance AdvisorMaintenance Advisor
Maintenance Advisor
Maintenance Optimiser
Local Area Network
Maintenance Advisor
Local Area Network
Maintenance Advisor
SensorsNetwork Master Unit
Monitoring Panel
Local Area Network
Substation A
SensorsNetwork Master Unit
Monitoring Panel
Local Area Network
Substation A
Maritime Institute @ NUS
Substation B
Monitoring Panel
Substation CSubstation B
Monitoring Panel
Substation C
P di ti M i t d C diti Predictive Maintenance and Condition Monitoring of Marine Power Plant (3/4)
O li M F l D i Online Motor Fault Detection:
Maritime Institute @ NUS
Stator-current sensing Vibration sensingMaritime Institute @ NUS
Predictive Maintenance and Condition Predictive Maintenance and Condition Monitoring of Marine Power Plant (4/4)
I t f i Pl t O ti ith M i t Interfacing Plant Operation with Maintenance Optimiser:
100r
0.5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 300
20406080
Load
fact
or
Maintenance Interval4
Results from Scheduled Maintenance
0e
of fa
ilure
rate
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 300
1
2
3
MTB
F
Updated Results According to Load factor
0 10 20 30 40 50 60 70 80 90 100
-0.5
Cha
nge
Impact of working environment on the change of failure rate using Type-2Impact of working environment on the change of failure rate using Type-2Impact of working environment on the change of failure rate using Type-1 and Type-2
Maritime Institute @ NUS
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30Maintenance Interval Working Environment
S/N PROJECT TITLE Researchers RESEARCH AREAS
LISTING OF COMPLETED/ ONGOING PROJECTS IN RELATED AREAS
1 Predictive Maintenance and Condition Monitoring of Marine Power Plant, Collaborators: MPA & APL
Chang Che Sau (ECE) Energy Management
2 Intelligent Design, Operation and Virtual Testing of Offshore Power System, Collaborators: MPA & Keppel FLS
Chang Che Sau (ECE)Sanjib Kumar Panda (ECE)
Electric Propulsion/ Energy Management& eppe S a age e t
3 Combustion and emissions control of internal combustion engines fueled by biofuels and
Yang Wenming (ME) Energy Management
engines fueled by biofuels and novel blend fuels(Existing Project)
4 Renewable energy based high performance power electronic
Sanjib Kumar Panda (ECE)
Energy Managementperformance power electronic
converters for green data centres
(ECE) Management
Maritime Institute @ NUS
S/N PROJECT TITLE Researchers RESEARCH AREAS
LISTING OF COMPLETED/ ONGOING PROJECTS IN RELATED AREAS
5 Development of Smart GridPlatform with DistinguishedPower and Communication Networks in the Laboratory
Sanjib Kumar Panda (ECE)
Energy Management
Environment6 Intelligent Wireless Sensor
Network incorporating Energy Harvesting mechanism for
Sanjib Kumar Panda (ECE)
Energy Management
Condition-Based-Maintenance of Electrical Energy Distribution System Equipment
Maritime Institute @ NUS
S/N PROJECT TITLE LEAD IHL PRINCIPAL INVESTIGATOR
RESEARCH AREAS
LISTING OF PROPOSED PROJECTS IN RELATED AREAS
INVESTIGATOR AREAS1 Energy and Emission
Abatement of Green Ocean Liners
MI@NUS Chang Che Sau Energy Management
2 Understanding vessels MI@NUS Chang Che Sau Energy 2 Understanding vessels movement and interactions
MI@NUS Chang Che Sau Energy Management
3 Fuel Consumption and Carbon Emission in the Port of Si
MI@NUS Stephane Bressan Energy Management
Singapore4 An Integrated Model for Green
and Efficient ShippingMI@NUS Ng Szu Hui Energy
Management5 Designing waste heat recovery MI@NUS Koh Yee Kan Energy
system Management6 Development of the next
generation dual fuel internal combustion engine
MI@NUS Yang Wenming Energy Management
7 Waste heat driven Adsorption desalination and Cooling
MI@NUS NG Kim Choon Energy management
Maritime Institute @ NUS
S/N PROJECT TITLE LEAD IHL PRINCIPAL INVESTIGATOR
RESEARCH AREAS
8 O i l h d li f MI@NUS S jib K E
LISTING OF PROPOSED PROJECTS IN RELATED AREAS
8 Optimal scheduling of generators and thruster motors to reduce the power consumption of marine vessel
MI@NUS Sanjib Kumar Panda
Energy Management
9 I t t d P & El t i l MI@NUS S jib K El t i 9 Integrated Power & Electrical Propulsion System for Marine Vessels
MI@NUS Sanjib Kumar Panda
Electric Propulsion
Maritime Institute @ NUS
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