use of advanced solutions for uhv transmission · 2017. 3. 29. · gazuwaka jeypore chandrapur...
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1 06-2007 Power Transmission and DistributionPTD H 1 MT/Re1 Power Transmission and DistributionPTD H 1 MT/Re
Use of Advanced Solutionsfor UHV Transmission
More Powerout of the Grid …
plus CO2 Reduction
06-2007
2 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
HVDC - High Voltage DC Transmission:
HVDC-LDT - Long Distance Transmission
HVDC “Classic” with LT Thyristors* (Line-commutated Converter)
HVDC “Bulk” with 800 kV – for 5,000 MW to > 6,400 MW
HVDC PLUS (Voltage-Sourced Converter – VSC)
HVDC can be combined with FACTS
V-Control included
Advanced Power Transmission Systems
B2B - The Short Link
Back-to-Back Station
AC AC
DC Cable
AC AC
Submarine Cable Transmission
800 kV for minimal LineTransmission Losses
Long Distance OHL Transmission
DC Line
AC AC
* LTT = Light-Triggered Thyristor with integrated Break-over Protection
3 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Benefits of HVDC: it makes Power flow
Slow FunctionsSlow Functions
Fast Functions
V1 V2
Q2
L and C
Q1
L and C
G ~G ~
α and γ
PI2I1
Fault-Current Blocking
Power & Voltage ControlFault-Current Blocking
Benefits ofHVDC in a synchronous AC System
The Firewallfor Blackout Prevention
4 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Some Some Countries will Countries will needneed Bulk Bulk Power Power TransmissionTransmissionCorridors Corridors ……
… Increase in Transmission Distance – andReduction in Losses
Solutions:800 kV DC & 1,000 kV AC
AC: 6-10 GW
DC: 4-6 GW
Prospects of UHV DC & UHV AC
06-2007 PTD H 1 MT/Re
5 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Example China: Long Distances between Generation and Load Centers (500 ~ 2,000 km)
NorthChina
SouthChina
NortheastChina
Tibet
Taiwan
NorthwestChina
CentralChina East
China Coal
Hydro
Load center
Source: State Grid of China - 2005
6 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
The Solution: AC & DC Power Transmission from West to East – Three Bulk Power Transmission Corridors
Sources:
North Corridor
Central Corridor
3 x 20 GW
South Corridor
… the installed Generation Capacity will be 900 GW
Transmission Capacity of each Corridor will be 20 GW by 2020 …
800 kV DC &1,000 kV AC
7 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
China will use UVH AC Transmission ...
Source:
Bundle of 8 Conductors
1,000 kV1,000 kV Test Line in China Test Line in China ……
Rated Voltage:Rated Voltage:1,000 kV1,000 kVMaximum OperationMaximum OperationVoltage: Voltage: 1,100 kV1,100 kV… and
possibly India will follow !
8 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
UVH DC Test Line put into Service on June 28, 2007 in Changping District, Beijing, China.
Rated Voltage:Rated Voltage:±± 800 kV800 kVMaximum SourceMaximum SourceVoltage: Voltage: ±± 1,200 kV / 0.5 A1,200 kV / 0.5 A
8 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Sources:
Total Length of Test Line: 1,084 m
Tower
88 m
80 mSpan of middle Section:300 m
9 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
China Southern Power Grid - Prospects of Grid Developments
CSG:Five Provinces
1 million km2
220 million People
Source: “Brazil-India-China Summit Meeting on HVDC & Hybrid Systems –Planning and Engineering Issues”, July 2006, Rio de Janeiro, Brazil
By 2010, West-East Power Transfer will increase from 11.5 GW to 13.5 GW
By 2010, the Transmission Capacity from West to East will increase to 22.4 - 24.4 GW
By 2009, the first ± 800kV DC TransmissionProject in the World will be launched by China Southern Power Grid By 2010, a large Corridor with 5 DC Lines and 8 AC Lines will be formed
10 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Siemens received the Order for the World’s first 800 kV HVDC in China Southern Power Grid
Siemens – the Leader in Bulk Power DC Transmission Technology
Yunnan-Guangdong
5,000 MW1,418 Km
+/- 800 kV DC
Commercial Operation:2009 – Pole 12010 – Pole 2
Reduction in CO2 versus local Power Supply with Energy-Mix
32.9 m tons p.a. - by using Hydro Energy and HVDC for Transmission
11 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Sunan
To Sichuan Power GridJinping Plant I
GuandiLinping
Jinping Plant I I
Xichang
Wuhan
Guangdong
LeshanChongqing
Changsha
Shanghai
Jinping ± 800 kV HVDC Transmission Project
11 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Source: “Brazil-India-China Summit Meeting on HVDC & Hybrid Systems –Planning and Engineering Issues”, July 2006, Rio de Janeiro, Brazil
6,400 MW+/- 800 kV DC
Planned for 2012
2,237 Km
For Comparison: Germany 840 Km
12 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
R O U R K E L A
R A IP U R H IR M A
T A L C H E R
J A IP U R
N E R
E RW R
N R
S R
B 'S H A R IF
A L L A H A B A D
S IP A T
G A Z U W A K A
J E Y P O R EC H A N D R A P U R
S IN G R A U L I
V IN D H Y A -
2000M
W
2000MW
3000M W
1 0 0 0 M W
5 0 0 M W
L U C K N O W
D IH A N G
C H IC K E N N E C K
K R IS H N A
T E E S T A
T IP A IM U K HB A D A R P U R
M IS A
D A M W E
K A T H A L -G U R I
L E G E N D
7 6 5 K V L IN E S 4 0 0 K V L IN E S
H V D C B /B
H V D C B IP O L E
E X IS T IN G / X P L A N X I P L A N
Z E R D A
H IS S A R
B O N G A IG A O N
D E V E L O P M E N T O F N A T IO N A L G R ID
K O L H A P U R
N A R E N D R A
K A IG A
M A N G A L O R E
P O N D A
IX P L A N
M A R IA N I
N .K .
K A H A L G A O N
R A N G A N A D I
S E O N I
C H E G A O N
B H A N D A R A
D E H G A M
K A R A D
L O N IK A N D
V A P I
G A N D H A R /
T A L AA R U N
B A N G L A
B A L L A B G A R H A 'P U R(D E L H I R IN G )
B A N G A L O R E
K O Z H IK O D E
C O C H IN
K A Y A M K U L A M
T R IV A N D R U M
P U G A L U R
K A Y A T H A R
K A R A IK U D I
C U D D A L O R E
S O U T H C H E N N A I
K R IS H N A P A T N A M
C H IT T O O R
V IJA Y A W A D A
S IN G A R P E T
P IP A V A V
L IM B D I
K IS H E N P U R
D U L H A S T IW A G O O R A
M O G A
U R I
B H U T A N
R A M A G U N D A M
S A T L U JR A V I
J U L L A N D H A R
D E S HN A G A R
V A R A N A S I
/U N N A O
M 'B A D
P U R N E A
K O R B A
N A G D A
S IL IG U R I/B IR P A R A
P H A S E - III
NIC
OB
AR
AND
AM
AN
AND
LAKSHAD
WEEP
T E H R I
M E E R U T
B H IW A D I
B IN A S A T N A
M A L A N P U RS H IR O H I
K A W A S
A M R A V A T I
A K O L A
(B y 2 0 1 2 )
A G R A
S IR S I
C H A L
J E T P U RA M R E L I
B O IS A RT A R A P U R
P A D G H E
D H A B O L
K O Y N A
/B A R H
G 'P U R
H O S U R
Prospects in China and India:
“Smart”andStrong Grids
Similar Prospects … as in China
Grid Extension in India - Hybrid AC plus DC
Source: “Brazil-India-China Summit Meeting on HVDC & Hybrid Systems – Planning and Engineering Issues”, July 2006, Rio de Janeiro, Brazil
12 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
+/- 800 kV HVDC !
13 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Benefits of Hybrid AC/DC Solutions for Bulk Power Transmission in restricted Right-of-Way Areas
Source: “Brazil-India-China Summit Meeting on HVDC & Hybrid Systems – Planning and Engineering Issues”, July 2006, Rio de Janeiro, Brazil
EXISTING
CHICKEN NECK AREA
800 kV DC
800 kV DC
800 kV DC
800 kV DC
6-7 x 6 GW DC
DEVELOPMENT OF CHICKEN NECK AREA
Up to 10 GW AC
FUTURE
50 GW Hybrid:≈ 10 GW AC≈ 40 GW DC
14 06-2007 Power Transmission and DistributionPTD H 1 MT/Re14 Power Transmission and DistributionPTD H 1 MT/Re
Technology Issues for
06-2007
for UHV DC Transmission
More Powerout of the Grid …
plus CO2 Reductionfor generated 2860 MW AC-bus of rectifier station 2814 MW
15 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
The Solution – for UHV AC
Transformer Bushings:Type OTA; Trench UK *, Oil-Paper TechnologyProduction: Hebburn/UK, MWB Shanghai/ChinaTransformer Design for 1,200 kV is availableReference: Henjang / China
Example AC Test Transformer 1,200 kV
Protected CreepageDistance: 10.5 m
Power Transmission and Distribution
* now Siemens* now Siemens
06-2007 PTD H 1 MT/Re15
16 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Specific Issues – for UHV AC
Essential toEssential to UHVUHVSystem ControlSystem Control andandEnergy ManagementEnergy Management,,e.g. withe.g. with FACTSFACTS
06-2007 Power Transmission and DistributionPTD H 1 MT/Re
SF6 insulated CT and PT – Design is well proven
Type SAS, SVS; Trench Germany *
Production: Bamberg and Shanghai
In Service up to 800 kV
Scaling-up for 1100 kV is no Problem
Capacitive Voltage Divider
Type TEHMF Trench Canada *
Production: Toronto und Shanghai
In Service up to 800 kV
Scaling-up for 1100 kV is no Problem
* now Siemens* now Siemens
The The AC AC Measurements Measurements for for UHVUHV
16
17 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Air-Core, Air-cooled Smoothing Reactor and Converter Transformer – The Dimensions are “huge”
500 kV DC500 kV DC in the Pictures in the Pictures –– are now are now being extended to being extended to 800 kV DC800 kV DC
Mostly an Issue of Mechanics –
17 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
but not only …
18 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
UHV DC Measurements
18 06-2007 Power Transmission and DistributionPTD H 1 MT/Re500 kV DC Current Transducer in Zhaoqing, China
Voltage Divider 500 kV DC East-South Interconnector, India
800 kV DC Application:Design and Manufacturing based on existing Technology
VDC I DC
All MeasuringComponents are at high Potential
Signal Transmission via optical Fibers inside the Composite Housing
Easy to “extend” onUHV DC
19 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
UHV DC Reactor – in Test Field
800 kV DC3,125 A75 mH28 tons !
20 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
UHV DC Bushing at Test Lab TU Graz – Austria
20 Power Transmission and DistributionPTD H 1 MT/Re06-2007
800 kV DC Bushing in Test Field
20 PTD H 1 MT/Re06-2007
21 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
AC (1 min) 1,020 kVSI 1,790 kVLI (FW/CW) 2,080/2,320 kVDC (2 hrs) 1,175 kVPR (90/90/45 min) 935 kV
48** Transformers – for the Yunnan-Guangdong UHV DC Project
Test Voltages
** plus 8 Spare Units
800 kV HVDC Transformer under Construction320 MVA Single-Phase* Transformer
* for Transportation Reasons
Core Design: 3 Limbs & 2 Return LimbsL x W x H: 26 x 6.4 x 15.2 mTotal Weight: 512 tons
22 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Solutions for UHV DC Thyristor Valves
22 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
UHV DC Valves with proven modular Designbased on existing Technology and Know-How for DC Voltage 800 kVValve Tower Configuration: Double or Quadruple Valve Proven existing LT Technology
Thyristor
Module
Valve Group
23 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
HVDC Thyristor Valves – Principle Circuit of a 12-Pulse Group
23 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Multiple Valve Unit(QuadrupleValve)
A
BC
Valve Branch
Valve Tower Arrangement
A B C1
2
3
4
Example 500 kV
Neutral
to DC Line: + or -
12-Pulse Group
24 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
800 kV – HVDC with 2 Converters per Pole
24
To AC Bus &Filters
DCLine
Neutral
800 kV
06-2007 PTD H 1 MT/Re Power Transmission and Distribution
25 06-2007 Power Transmission and DistributionPTD H 1 MT/Re25
Transformer Bushings
400 kV DC 800 kV DC
400 kV-Valve Group 800 kV-Valve GroupDC NeutralDC Line
Each PoleEach Pole can be operated with can be operated with 400 kV DC400 kV DC
N-1 Criteria: fully redundant HVDC Scheme –with two 12-Pulse Converters per Pole
06-2007 Power Transmission and DistributionPTD H 1 MT/ReN-1 Criteria: Redundancy through Bypass-BreakersPower Transmission
and Distribution
PTD H 1 MT/Re
26 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Valve Hall Configuration – for UHV DC
400 kV Valve Hall
DC Neutral
400 kV DC
Power Transmission and DistributionPTD H 1 MT/Re
400 kV DC
800 kV Valve Hall
to 800 kV DC Line
“Ready for Transmission”
Each Valve Group can be bypassed … n-1 Criteria
06-2007 Power Transmission and DistributionPTD H 1 MT/Re
27 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Thorough Testing is essential …
Verification of Mechanical Performance
Verification ofClearance Distances for UHV DCEquipment
Cantilever Bending Test for DC Insulators
28 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Testing of DC Bypass-Breakers
400 kV DC
800 kV DC
29 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
“Snapshots” from DC Valve Tower Testing
Dielectric Testing of Valve-Support Structure
30 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Finally …
… it will look like this:
06-2007 PTD H 1 MT/Re Power Transmission and Distribution
31 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Siemens is successful in the HVDC Business –
GuG II2007
GuG I2004
Ge-Nan1989
Neptune
2007
Poste Châte.
1984
Basslink
ESI2003/2007
Thailand-Malaysia
2001
Moyle2001
Acaray
1981Lamar
2005Virginia Smith1987
Sylmar East1995
TSQ2000
Celilo
1997/2004
1977/1998Cahora Bassa
Nelson River
1977/2004
Welsh
1995 2005
Ballia-Bhiwadi
2009
TSQ
2009/2010Yunnan-Guangdong
World’s longest HVDC Cable in Operation
World’s 1st HVDC with LTT and integrated BOD
World’s 1st HVDC with Transmission Voltage above 500 kV
World’s 1st
HVDC with8 kV Thyristors
for more than 30 Years
31 Power Transmission and DistributionPTD H 1 MT/Re
World’s 1st HVDC with Transmission Voltage of 800 kV !
Etzenricht1993
Wien Südost1993
Dürnrohr1983
Storebælt
2010
2010Bridnet
World’s 1st
HVDC with500 kV DC Cable
Status: 06-2007
32 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Intelligent Solutions for Power Transmission
AdvancedAdvanced HVDC HVDC
TechnologiesTechnologies
Thank You for your Attention !
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