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8/12/2019 Hvdcp Oil&Gas
1/40
1 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Power Quality for AC & DC Systems
HVDC
with
VSC -HVDC PLUS
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2 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Voltage sourced converter (VSC) topologies can be used for:
HVDC Cable transmission systems (submarine and underground)
Coupling of asynchronous AC networks as back to back solution FACTS, Active Filter
Overhead line HVDC transmission
Fields of application of VSC technology: Energy transmission
Energy distribution
Power generation (wind parks)
Oil and gas industry
Power supply of mega cities
HVDC PLUS (Power Link Universal System)
Topologies and Applications
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3 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS (Power Link Universal System)
Shore to Off-Shore Supply
HVDC Technologie based on VoltageSource Converters (VSC) up to500MW and +/-300kV DC Voltage
Use of Insulated Gate Bipolar
Transistors (IGBTs) instead of GTOsor Thyristors
On-Shore
ConverterOff-Shore
ConverterSubmarine Cable
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5 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUSThe Power Link Universal System
Clean Energy to Platforms &
Islands
Siemens uses MMC Technology(ModularMultilevel Converter)
HVDC PLUS One Step Ahead
Compact Modular Design
Less Space Requirements
Advanced VSC Technology
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6 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
The Evolution of HVDC PLUS and VSC Technology
PowerElectronicDevices:
Topologies:Two-Level Three-Level Multilevel
IGBT in PP IGBT ModuleGTO / IGCT
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7 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H17 Power Transmission and Distribution
High harmonic DistortionHigh Stresses resulting in HF Noise
Desired voltage Realized voltage
- Vd/2
0
+Vd/2
VConv.
Vd
/2
Vd/2
VSC Technology A Look back
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8 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
The Multilevel Approach
Small Converter AC Voltage Steps
Small Rate of Rise of Voltage
Vd/2
Vd/2
VConv.
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10 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS with MMC Basic Scheme
10 Power Transmission and Distribution
SM 1
SM 2
SM n
SM 1
SM 2
SM n
SM 1
SM 2
SM n
SM 1
SM 2
SM n
SM 1
SM 2
SM n
SM 1
SM 2
SM n
ud
Phase Unit
Vd
Converter Module
Phase Arm
IGBT2D2
D1IGBT1
Submodule (SM)
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11 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
States and Current Paths of a Submodule in the
MMC topology an Advanced Solution
11 Power Transmission and Distribution
State 1 State 2 State 3
Off
Off
Off
Off
On
Off
On
Off
Off
On
Off
On
State 1 State 2 State 3
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12 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Perfect Voltage Generation
AC and DC voltages controlled
by converter leg voltages:
+Ud/2
-Ud/2
Uac
Modular Multilevel Converter
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15 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Fully suitable for DC OHL Application:
Line-to-Line Fault a crucial Issue
Phase Unit
PLUSCONTROL
Submodule
Protective Thyristor Switch
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16 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Line-to-Line DC Fault
Phase Unit
Submodule
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17 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Converter Reactors
Phase Unit
Parallel connection of
three voltage sources
Damp balancing currentsbetween different phases
Limit current gradient during
severe faults
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18 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS The Advanced MMC Technology
Typical Converter Arrangement for 400 MW
Optional Seismic
Reinforcements
Converter Module with more than 200 Submodules
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19 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
30 MW Hardware Functional Performance
Tests The Converter (Top View and Side Views)
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20 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Main Tasks of PLUSCONTROL TM
Calculation of requiredConverter Module
Voltages
Selection of Submodulesto be switched
Control of Active andReactive Power
Submodule VoltageBalancing Control
1
2
n
SIMATIC TDCC&P System
SIMATIC TDCMeasuring System
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21 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Main Features of PLUSCONTROLTM
Standard 19 inch racks
Highest degree of modularity
Advanced redundancy concept
Hot plug capability of PCBs and fans
High submodule interfacing capability
High numerical and logical performance
Highlyflexible
and
highlyreliablecontrolsystem
Integration into proven SIMATIC TDC systems
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22 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Options for Transmission Redundancy
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a) Solution with 4 Cables
b) Solution with 3 Cables
Use of Standard AC Transformers
HVDC Transformers required
Symmetrical Monopole
Bipole
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23 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Features and Benefits of MMC Topology
Low Switching Frequency ofSemiconductors
Low Generation of Harmonics
High Modularity in Hardwareand Software
Use of well-proven StandardComponents
Sinus shaped AC Voltage
Waveforms
Easy Scalability
Reduced Number of PrimaryComponents
Low Rate of Rise of Currentseven during Faults
Low Converter Losses *
Only small or even no Filtersrequired
High Flexibility, economicalfrom low to high Power Ratings
High Availability of State-of-the-Art Components
Use of standard AC
TransformersLow Engineering Efforts,
Power Range up to 1000 MW
High Reliability, lowMaintenance Requirements
Robust System
* 2.8 % both Stations
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24 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC
Classic
Benefits of HVDC PLUS
Power Transmission and Distribution
HVDC PLUS
Example400 MW
SpaceSaving
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25 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Example of HVDC PLUS Station: 2 x 100 MW
85 m 96 m
Options:
b)DC
B2Ba)D
CCables
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26 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS Station Option for 100 MW B2B
Half the Width by vertical Arrangement: 2 Reactors and 2 Converter Modules on Top of each other
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27 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
VDC + 200 kV
VDC - 200 kV
PLOTS : Graphs
1.000 1.010 1.020
-250
-200
-150-100
-50
0
50
100
150
200
250
U
[kV]
+Ud -Ud US1 US2 US3
-2.00
-1.50
-1.00
-0.50
0.00
0.50
1.00
1.50
2.00
I[kA]
is1 is2 is3
-1.50
-1.25
-1.00
-0.75
-0.50-0.25
0.00
0.25
0.50
0.75
I[kA]
i1p i2p i3p i1n i2n i3n
AC Converter Voltages
Currents in the AC Terminals
Obviously, no AC Filters required
Results of Computer Simulation: 400 MW
with 200 Submodules per Converter Module
Six Converter Module Currents
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28 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Dynamic Response to an AC Line-to-Ground
Busbar Fault Inv. Side (Computer Simulation)CONVERTER B
1.950 2.000 2.050 2.100 2.150 2.200
-100
-75
-50
-25
0
25
50
75
100
v_
prim
(kV)
UL1 UL2 UL3
-250
-200
-150
-100
-50
0
50
100
150
200
250
v_
conv,v_dc(kV)
US1 US2 US3 UdHP_B UdHN_B
0.40
0.60
0.80
1.00
1.20
i_dc(kA)
IdHP_B IdHN_B
AC Busbar Voltages
AC Converter Voltages
DC Converter Current
VDC + 200 kV
VDC - 200 kV
Fault Ride-Through Capability
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30 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
General Features of VSC Technology
Grid Access of weak AC Networks
High dynamic performance
Independent Control of Active and Reactive Power
Supply of passive Networks and Black-Start Capability
Low Space Requirements
Additional Features and Benefits of HVDC PLUS
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31 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Trans Bay Cable Project, USA
Worlds 1st
VSC HVDC with MMC-Technology
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P = 400 MW,
200 kV DC
Cable
2010
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Dynamic Voltage Support
No Increase in
Short-Circuit Power
Energy Exchange
by Sea Cable
Elimination of Transmission Bottlenecks
Q = +/- 170-300 MVAr
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32 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Trans Bay Cable Project, USA
Worlds 1st
VSC HVDC with 200 kV XLPE DC Cable
PG&E
Pittsburg
Substation
PG&E
Potrero
Substation
< 1 mile 53 miles1 mile 1 mile < 3 miles
San
Francisco Pittsburg
Cables
AC/DC
Converter
Station
Cables
AC/DC
Converter
Station
San Francisco San Pablo
Suisun Bays
ACAC
115 kV
Substation
230 kV
Substation
Converter: Modular Multilevel HVDC PLUS ConverterRated Power: 400 MW @ AC Terminal receiving EndDC Voltage: 200 kV
Submarine Cable: Extruded Insulation DC Cable
Submarine
DC Cables
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33 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS for Off shore application
AC versus DC
Typical North Sea requirement > 200 km
DC - SystemAC - System Versus
Max. cable length No Limitations50 to 80 km
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35 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS for Off shore application
Typical System Configuration
Peterhead
200 km
Forties
Everest
Marnock
AlbaBritannia
Andrew
Armada
Nelson
Montrose
Gannet
Kittiwake
Forties ECluster D
270 ... 620 MW
Cluster A150 MW
160
km
180km
Cluster C220 ... 660 MW
300k
m
300km
200km
120km
240km
HVDC Transmission Systems:HVDC Transmission Systems:
Cluster B200 MW
E
VHA7MHVDCPLUSWorkshop,Erlangen,Dec2000
D
r.RalfBergmann
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36 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS for Off shore application
Off Shore converter station
Outline: 46 x 35 m2
Height: 20m
Platform mounted AC
distribution switchgear
Offshore converter station
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37 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
HVDC PLUS for Off shore application
Benefits
Decrease of energy costs, participation in deregulated market
Reduction of maintenance, no generation on the platform
Reduction of emission
VisionUnmanned Supply Platform
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39 Oct. 2007
Siemens AG
Power Transmission and DistributionPTD H1
Siemens is successful in the HVDC Business
GuG II2007
GuG I
2004
Ge-Nan
1989
Neptune
2007
Poste Chte.
1984
Basslink
ESI
2003/2007
Thailand-Malaysia
2001
Moyle
2001
Acaray
1981Lamar
2005
Virginia Smith
1987
Sylmar East1995
TSQ
2000
Celilo
1997/2004
1977/1998Cahora Bassa
Nelson River
1977/2004
Welsh1995 2005
Ballia-Bhiwadi
2009
TSQ
Yunnan-Guangdong
Worlds longest HVDC Cable in Operation
Trans Bay Cable
2010Worlds 1st HVDC with LTTand integrated BOD
Worlds 1st HVDC with TransmissionVoltage above 500 kV
for more than 30 Years
Worlds 1st HVDC with TransmissionVoltage of 800 kV !
Etzenricht
1993
Wien Sdost
1993
Drnrohr
1983
Storeblt
2010
2010Bridnet
Worlds 1st
HVDC with500 kV DCCable
Worlds 1st
HVDC with8 kV Thyristors
2009/2010
Status: 01-2008
Worlds 1st VSCHVDC with MMC-Technology
Spain-Mallorca
2011
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Siemens AG
Thank You
for Your Attention!
Power Transmission and Distribution