damen shipyards piet faasse peter rampenchallenges –e-ferry case switch board[1000v, dc] g de = =...
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Damen Shipyards
Piet Faasse
Peter Rampen
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How many Tesla’s batteries onboard?
4 MWh batteries
Tesla Model S: 100kWh!40 Tesla’s
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How many Tesla’s batteries for this ship?
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• Wide product & market portfolio
• Standard products (off the shelf)
• World wide
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We need to be green
Local – Air quality
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Lloyds Register: “Commercial Ships of 2030 Will Be Smart, Green and Connected”
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Trend – OPEX becomes more important
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Small to large
4.500 kW1000Vdc
150 kW600Vdc
10.000 kW690 Vac
25.000 kW6.600 V
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Technical trendsNew energy onboard
Variable speed generators
LNG
Hydrogen
Fuel cells
Electrical charging
New topologies
Hybrids / full electrics
Shore power / charging
power demand
operational flexibility
full electric
hybrid electric
conventional
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Technical trends
More electronic consumers
electrical propulsion
LED lighting
more electric drives
New power conversion technology
automotive electrification
new semiconductors
modular power electronics
Power electronics in distribution
(ship has a micro grid)
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New converter types
13
100 KW DRIVE
IM with DFE (wall-mount)
IM with AFE (cabinet) Automotive style
Cooling Air Air Water
Total Weight (kg) 960 1580 ≈300
Total Volume (m3) 0.41 1.72 0.23
IP rating IP55+21/54 IP55+21/54 IP65+67
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Challenges – e-ferry case2x road bus we can use same technology
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Challenges – e-ferry case
Challenge
4x 500kW propulsion / 100 kW other
20 min. sailing 500 kWh per trip
5 min. charging 6 MW charging
weak shore grid
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Challenges – e-ferry case
=
=
=
=
weak grid
onboard configuration
buffer required?
charge power?plug power < 4 MW @LV
AC or DC?
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Challenges – e-ferry case
HOW TO GET POWER ON-BOARD
AC / DC
LV large cables/connector
HV safety, large transformer on-board
Inductive large, expensive
hf / HV switch-mode converter possible?
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Challenges – e-ferry case
by Wärtsilä / Syntef
Power: 2.8 MW
Distance: 150...500 mm
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Challenges – e-ferry case
[1000V, DC]Switch Board
G
DE
G
DE
==
EM500kW
EM550kW
~=
~=
[1000V, DC]
~=
~=
==
~=
==
Shore battery buffer
DC shore connection
MW charger
400 kW grid supply
6x 300kWh
6x 400kW
6x 300kWh
6x 400kW
744k
W
744k
WConfiguration challenges
onboard bus
DC / AC
floating / fixed
DC power quality
EMC
Earthing (ship/shore)
How to protect DC bus
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Challenges – e-ferry case
DC protection
capacitive grid
bus-tie semi-conductor circuit breakers
other still by fuses
no standards
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Challenges – e-ferry case
Most consumers still AC supplied
DC system
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Power electronics is enabler forfuture more electric ships
QUESTIONS?
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Contactgegevens
• Bedrijfsnaam: Damen Shipyards B.V.
• Adres: Avelingen-West 20, Gorinchem
• Telefoonnummer: 0183-639911
• E-mailadres: [email protected]
• Standnummer: -