Hvdcp Oil&Gas

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


2/40

2 Oct. 2007

Siemens AG


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


3/40

3 Oct. 2007

Siemens AG


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


4/40


5/40

5 Oct. 2007

Siemens AG


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


6/40

6 Oct. 2007

Siemens AG


The Evolution of HVDC PLUS and VSC Technology

PowerElectronicDevices:

Topologies:Two-Level Three-Level Multilevel

IGBT in PP IGBT ModuleGTO / IGCT


7/40

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


8/40

8 Oct. 2007

Siemens AG


The Multilevel Approach

Small Converter AC Voltage Steps

Small Rate of Rise of Voltage

Vd/2

Vd/2

VConv.


9/40


10/40

10 Oct. 2007

Siemens AG


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)


11/40

11 Oct. 2007

Siemens AG


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


12/40

12 Oct. 2007

Siemens AG


Perfect Voltage Generation

AC and DC voltages controlled

by converter leg voltages:

+Ud/2

-Ud/2

Uac

Modular Multilevel Converter


13/40


14/40


15/40

15 Oct. 2007

Siemens AG


Fully suitable for DC OHL Application:

Line-to-Line Fault a crucial Issue

Phase Unit

PLUSCONTROL

Submodule

Protective Thyristor Switch


16/40

16 Oct. 2007

Siemens AG


Line-to-Line DC Fault

Phase Unit

Submodule


17/40

17 Oct. 2007

Siemens AG


Converter Reactors

Phase Unit

Parallel connection of

three voltage sources

Damp balancing currentsbetween different phases

Limit current gradient during

severe faults


18/40

18 Oct. 2007

Siemens AG


HVDC PLUS The Advanced MMC Technology

Typical Converter Arrangement for 400 MW

Optional Seismic

Reinforcements

Converter Module with more than 200 Submodules


19/40

19 Oct. 2007

Siemens AG


30 MW Hardware Functional Performance

Tests The Converter (Top View and Side Views)


20/40

20 Oct. 2007

Siemens AG


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


21/40

21 Oct. 2007

Siemens AG


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


22/40

22 Oct. 2007

Siemens AG


Options for Transmission Redundancy

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

G ~G ~G ~ G ~G ~G ~

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

~

=

=

G ~G ~G ~G ~G ~G ~

a) Solution with 4 Cables

b) Solution with 3 Cables

Use of Standard AC Transformers

HVDC Transformers required

Symmetrical Monopole

Bipole


23/40

23 Oct. 2007

Siemens AG


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


24/40

24 Oct. 2007

Siemens AG


HVDC

Classic

Benefits of HVDC PLUS

Power Transmission and Distribution

HVDC PLUS

Example400 MW

SpaceSaving


25/40

25 Oct. 2007

Siemens AG


Example of HVDC PLUS Station: 2 x 100 MW

85 m 96 m

Options:

b)DC

B2Ba)D

CCables


26/40

26 Oct. 2007

Siemens AG


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


27/40

27 Oct. 2007

Siemens AG


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


28/40

28 Oct. 2007

Siemens AG


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


29/40


30/40

30 Oct. 2007

Siemens AG


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


31/40

31 Oct. 2007

Siemens AG


Trans Bay Cable Project, USA

Worlds 1st

VSC HVDC with MMC-Technology

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =~= =

~= =~= =

~= =~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =

~= =~= =

~= =~= =

~= =~= =

P = 400 MW,

200 kV DC

Cable

2010

~

=

=

~

=

=

~

==

~

==

Dynamic Voltage Support

No Increase in

Short-Circuit Power

Energy Exchange

by Sea Cable

Elimination of Transmission Bottlenecks

Q = +/- 170-300 MVAr


32/40

32 Oct. 2007

Siemens AG


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


33/40

33 Oct. 2007

Siemens AG


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


34/40


35/40

35 Oct. 2007

Siemens AG



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


36/40

36 Oct. 2007

Siemens AG



Off Shore converter station

Outline: 46 x 35 m2

Height: 20m

Platform mounted AC

distribution switchgear

Offshore converter station


37/40

37 Oct. 2007

Siemens AG



Benefits

Decrease of energy costs, participation in deregulated market

Reduction of maintenance, no generation on the platform

Reduction of emission

VisionUnmanned Supply Platform


38/40


39/40

39 Oct. 2007

Siemens AG


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


40/40

Siemens AG

Thank You

for Your Attention!

Power Transmission and Distribution

Documents

Hvdcp Oil&Gas