C-EPRI
HVDC in China
Presented in EPRI 2013 HVDC & FACTS Conference
August 28-29, Palo Alto, CA, USA
Dr. Junzheng Cao, Mr. Jim Y Cai
C-EPRI Electric Power Engineering Co., Ltd.
August, 2013
www.cepri.com
1
C-EPRI
Introduction of SGCC
Power Grid Operator in China
 State Grid Corporation of China (SGCC)
With 300 billions US$ revenue & 2 M Employees
Service area in China
Key facts about SGCC
SGCC
CSG
 The largest utility in the world
 Over 655,131km transmission line
(AC up to 1000kV, DC up to ±800kV)
 Over 2,391,620MVA substation
capacity
2
C-EPRI
China Transmission Grid 2020
+-1100 KV HVDC
New Constructions by 2015
+-800kV HVDC: 13 lines
+-1100kV HVDC: 1 line
Total HVDC (approx.):
30,000 km, 50 HVDC lines
C-EPRI
HVDC Projects In Operation (1987~2013)
A young but booming market
No.
●
Commercial
Project name
operation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
!
1987
1990
2001
2002
2003
2004
2004
2005
2006
2007
2008
2009
2010
2010
2010
2010
2011
2011
2011
2012
2012
2012
2012
●
Zhoushan
Gezhouba-Nanqiao
Tianshengqiao-Guangzhou
Shengsi
Three Gorges-Changzhou
Guizhou-Guangdong I
Three Gorges-Guangdong
Lingbao Back-to-Back I
Three Gorges-Shanghai I
Guizhou-Guangdong II
Gaoling Back-to-Back I
Lingbao Back-to-Back II
Deyang-Baoji
Hulunbuir-Liaoning
Xiangjiaba-Shanghai
Yunnan-Guangdong
Ningdong-Shandong
Three Gorges-Shanghai II
Nanhui wind farm integration
Sino-Russia Back-to-Back
Qinghai-Tibet ( Above 10K ft)
Jinping-Sunan
Gaoling Back-to-Back II
Voltage (kV)
-100
±500
±500
±50
±500
±500
±500
120
±500
±500
±125
166.7
±500
±500
±800
±800
±660
±500
±30
±125
±400
±800
±125
represents the VSC-HVDC projects
Capacity (MW)
Distance (km)
50
1200
1800
60
3000
3000
3000
360
3000
3000
2x750
750
3000
3000
6400
5000
4000
3000
18
750
600
7200
2x750
54
1045
980
66.2
860
882
940
1040
1194
534
908
1907
1418
1335
970
8.4
1038
2093
-
EPC/User
SGCC
SGCC
CSG
SGCC
SGCC
CSG
SGCC
SGCC
SGCC
CSG
SGCC
SGCC
SGCC
SGCC
SGCC
CSG
SGCC
SGCC
SGCC
SGCC
SGCC
SGCC
SGCC
C-EPRI
HVDC Operation Records
Reliability stabilized at around 99%
Reliability
Gezhouba
100%
Nanqiao
98%
Jiangling
Echeng
96%
Longquan
94%
Zhengping
92%
Lingbao
90%
Huaxin
2004
2005
2006
2007
2008
Year
C-EPRI
New HVDC Projects for (2013~2015)
Enormous investment in HVDC construction
No.
Commercial
operation
1
Project name
Voltage (kV)
Capacity (MW) Distance (km) EPC/User
Remarks
2015
Northern Hami-Chongqing
±800
8000
2223
SGCC
Planned
2
2015
Ningdong-Zhejiang
±800
8000
1900
SGCC
Planned
3
2015
Ximeng-Jiangsu (Taizhou)
±800
8000
1690
SGCC
Planned
4
2015
Gansu(Jiuquan)-Hunan
±800
8000
2490
SGCC
Planned
5
2015
Mengxi-Hubei
±800
8000
1400
SGCC
Planned
6
2015
Zhundong-Sichuan
±1100
10000
2600
SGCC
Planned
7
2015
Humeng-Shandong
±800
8000
1600
SGCC
Planned
●
8
2014
Xiamen island in-feed
±320
1000
Approx. 10
SGCC
Planned
●
9
2014
1000
141
SGCC
Ongoing
10
2014
Zhoushan multi-terminal
±200
(5)
Xiluodu-Zhejiang
±800
8000
1688
SGCC
Ongoing
11
2014
Southern Hami-Zhengzhou
±800
8000
2200
SGCC
Ongoing
12
2013
Nan’ao multi-terminal (3)
±160
200
9
CSG
Ongoing
13
2013
Nuozhadu-Guangdong
±800
5000
1451
CSG
Ongoing
14
2013
Xiluodu-Guangdong
±500
6400
1251
CSG
Ongoing
15
—
Dalian city in-feed
±320
1000
47.6
SGCC
Postponed
●
●
!
●
represents the VSC-HVDC projects
Subsea cable
Subsea cable
Subsea cable
C-EPRI
±800, ±1100 HVDCs During (2010 ~2015)
The largest UHVDC market in the world
No.
Commercial
Project name
operation
Voltage
(kV)
Capacity
(MW)
Distance
(km)
EPC/User
Remarks
1
2015
Northern Hami-Chongqing
±800
8000
2223
SGCC
Planned
2
2015
Ningdong-Zhejiang
±800
8000
1900
SGCC
Planned
3
2015
Ximeng-Jiangsu (Taizhou)
±800
8000
1690
SGCC
Planned
4
2015
Gansu(Jiuquan)-Hunan
±800
8000
2490
SGCC
Planned
5
2015
Mengxi-Hubei
±800
8000
1400
SGCC
Planned
6
2015
Zhundong-Sichuan
±1100
10000
2600
SGCC
Planned
7
2015
Humeng-Shandong
±800
8000
1600
SGCC
Planned
8
2014
Xiluodu-Zhejiang
±800
8000
1688
SGCC
Ongoing
9
2013
Southern Hami-Zhengzhou
±800
8000
2200
SGCC
Ongoing
10
2013
Nuozhadu-Guangdong
±800
5000
1451
CSG
Ongoing
11
2012
Jinping-Sunan
±800
7200
2090
SGCC
Commissioned
12
2010
Xiangjiaba - Shanghai
±800
6400
1980
SGCC
Commissioned
13
2010
Yunnan - Guangdong
±800
5000
1418
CSG
Commissioned
C-EPRI
HVDC Manufacturing in China
5 Engineering Firms have HVDC experience
C-EPRI HVDC converter valve factory
 Ultra-clean environment, 10,000m2
 Production capacity: Converter valves
for 3 UHVDC schemes and 2 HVDC
Flexible schemes per year
Other facilities
 11 converter transformer factories
 3 factories for DC yard equipment
 3 HVDC Control & Protection factories
 3 high voltage submarine cable factories
 5 smoothing reactor factories
 Over 50 transmission conductors and
towers factories
8
C-EPRI
The HVDC IPR History
LCC-HVDC Technology
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
Dec. 2013
A5000 valve (±800kV/6250A)
Feb.2011-Jul. 2012
Jinping-Sunan ±800kV
UHVDC Project by A5000
Mid 2011-Jan. 2012
1100kV/5000A upgrade and
type tests
Jan. 2010-Jun. 2010
A5000 valve passed type tests
Mid.2008-Jan. 2010
Prototype of A5000 valve (±800kV/4750A)
Early 2005-Mid. 2008
Fundamental research
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
C-EPRI
HVDC IPR History
HVDC Flexible Ⓡ technology - VSC Based
Jan.2013
Dec.2012
Jun. 2012
May 2011
Apr.2010
Jan.2005
Hybrid dynamic/analogue simulation platform
(10000+ nodes, 401-level)
Valve for Dalian Project passed type tests with
witness of KEMA
Accomplished system design for ±320kV/1000MW
Dalian City-Infeed Project
Shanghai Nanhui Wind Farm Integration Project
Prototype of MMC valve
Started fundamental research
C-EPRI
±1100kV UHVDC Project
Ratings: 1100kV, 11,000MW / 5000A, 12 pulse, 26000 km
Timeline: Lab: 2007 Aug at CEPRI
Decision:
End of 2010
Zhundong,Xingjiang
Spec issued: May, 2011
Converter Transformer & Bushings Prototype: June,2012
Valve prototype: Feb. 2012
Construction Kick-off meeting: July 10, 2013
June 2016 , Low end energized
Dec. 2016 , High end energized
Project Org.
EPC Project Management:
Engineering:
Chengdu, Sichun
HVDC Construction Division of SGCC
15 main subcontractors
Led by SPERI of SGCC
C-EPRI
Typical HVDC Project Highlights
• National Central Permit Management
• EPC Prime: SGCC/CSG
• Engineering, SPERI of SGCC
– Subcontractors
• Mixed Suppliers for key components
– A couple of Vendors in one converter station for each key
components – Transformer, valve, P&C etc
• 2-3 Years for typical 800KV & below HVDC substation and
transmission line construction
C-EPRI
Jinping-Sunan ±800kV UHVDC
 World's largest and longest
UHVDC project commissioned
Main data
Rated Voltage
±800kV
Rated current
4500A
 Transfer of surplus hydropower
from Southwest to Eastern China
Rated capacity
7200MW
Transmission distance
2093km
 EPC delivery
Commissioning year
2012
• SGCC as EPC ,did system design,
equipment supply and construction
• All equipment with independent
IPR except for 800kV wall bushings
Short execution period 2 years
C-EPRI
Other UHVDC Projects
UHVDC projects in operation
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
4500A
5000MW
1418km
2012
World’s first UHVDC project
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
4000A
6400MW
1935km
2010
C-EPRI
Other UHVDC Projects
UHVDC projects in operation
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
4000A
6400MW
1935km
2010
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
4500A
7200MW
2093km
2012
World’s largest UHVDC in service
C-EPRI
Other UHVDC Projects
UHVDC projects under construction
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
5000A
8000MW
2200km
2013
World’s largest UHVDC underway
Rated Voltage
Rated current
Rated capacity
Transmission distance
Commissioning year
±800kV
5000A
8000MW
1688km
2014
World’s largest UHVDC underway
C-EPRI
VSC-Based Xiamen Island In-feed
Main data
 Secure an additional power source
for the growing demand
 Enhance the reliability of power
supply for the island
Rated voltage
±320kV
Rated capacity
1000MW
Cable length
10 km (approx.)
Type
VSC-HVDC
Commissioning year
2014
 All equipment will be China made
with independent IPR
Sending station
Receiving station
C-EPRI
Other VSC-HVDC Projects
Commissioning year
2011
Rated capacity
18MW
Rated DC voltage
±30kV
Cable length
8.4km land cable
Type
VSC-HVDC
Asia’s first VSC-HVDC project
Commissioning year
Rated capacity
Rated DC voltage
Cable length
Type
!
2013
1000MW
±320 kV
43 kmsubsea cable
VSC-HVDC
This scheme has been temporarily postponed for military reasons.
Nanhui wind farm
C-EPRI
Other VSC-HVDC Projects
Commissioning
Rated DC voltage
Cable length
Type
2014
400/300/100/100/100
MW
±200 kV
134 km-subsea cable
VSC-HVDC
Commissioning
Rated capacity
Rated DC voltage
Cable length
Type
2013
200MW
±160 kV
9 km subsea
VSC-HVDC
Rated capacity
C-EPRI
Valve Hall of Yulong Converter Station
of Jinping-Sunan +-800KV UHVDC
Project
C-EPRI
1100kV UHVDC A5000 valve in type test
C-EPRI
C-EPRI
C-EPRI
320kV 1000MW VSC HVDC Valve Passed the IEC Type Test
Q&A
Really Appreciate Your Time
Something Built in China Long Time Ago Still Stands
www.cepri.com
C-EPRI