Long Distance Bulk Power Transmission in both UHVAC and UHVDC
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Transcript of Long Distance Bulk Power Transmission in both UHVAC and UHVDC
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7/30/2019 Long Distance Bulk Power Transmission in both UHVAC and UHVDC
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LongDistance
BulkPowerTransmissionin
bothUHVACand
UHVDC
FEASTCanberra/AUS
November12th,2008
D
r.PeterKirc
hesch
VicePresid
entR&DAREVAT&D
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Content
UHVACvs.UHVDC
Worldwidep
erspectives
Technologic
alchallenge
s
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UHV(UltraHigh
Voltage):>=800kV
Am
ericanliterature:UHV:400800kV;
EHV(ExtraHigh
Voltage):>=800kV
AC:Alternating
Current
DC:DirectCurrent
D
efinitions
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Loadcentresarein
manycountries
distantfromnatura
lresources(coal,
water)
N
eedforbulkpowertransmission
T
ypicalexamples
areChina,
India
,
B
razil
Pow
erlossesareinversely
prop
ortionaltothe
squareofthe
voltage
RightOf
Way-aspects
W
hyUHV?
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Shanxi
Coal
base
Exam
ple:PopulationdensityChina
10%
90%
SouthWest
Hydro
base
Threegorges
Mengdong
Coal
base
Trans
mis
sion
corrid
or
Transm
ission
corri
dor
Transmissioncorr
idor
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Moreaneconomicalthanatechnicalquestion
Toc
onsider:
Investmentcosts
forequipmenta
ndlines(incl.ROW)
C
apitalizedvalue
oflosses
O
utagecosts
Conclusion:
U
HVDCiseconomicallymoreattactiveforbulkpo
wer
transmission(5000MWa
ndmore)overlongdista
nces
(2000km).
F
orotherparame
tersacase-by-c
asestudyisnee
ded
c
onsideringthes
pecificsituation
ofthecustomer
ACversusDC
N
icolaTESLA
1856-1943
AC
ThomasAlvaEDISON
1847
1931
D
C
The
warofcurrentsisover
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Content
UHVACvs.UHVDC
Worldwidep
erspectives
Technologic
alchallenge
s
-
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Example:UHVDCknownpros
pects600kV-800kV
Northern
Lights
2014-2020
RioMadeira
2014
WestCor
each3terminal
SouthW2
012
SouthE2013
ChickenNeck
multiple
schemes
2012-2020
Irkutsk
(Russia)
-Beijing:
2015
Yunnan-Guan
gdong:2009
Xiangliaba-Sh
anghai:2011
Jingping-EastChina:2012
Xiluodu-Hu
nan:2014
Humeng-Shandong:2015
Nuozhadu-Gua
ngdong:2015
Xiluodu-Han
zhou:2015
Humeng-Tia
njing:2016
JinshaRiverI-EastChina:2016
Humeng-Liaoning:2018
JinshaRiverII-Fujian:2018
Hami-Central
China:2018
J i n s h a R i v e r I I E
a s t C h i n a : 2 0 1 9
WestCor
4terminal
North2018
In
-servicedates
Aysen-Sic
2012
Russia-Europ
e
multipleschem
es
2015onwards
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Content
UHVACvs.UHVDC
Worldwidep
erspectives
Technologic
alchallenge
s
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Technolog
icalalterna
tives/ACP
roducts
Twoprinciple
solution
s:
a)GIS
b)AIS
b1)withlivetank
circuitbreaker
b2)withdeadtank
circuitbreaker
Voltagem.
CBR/LT
ITR/CT
GIS C
BR/DT
Powertransformer
Disconne
ctor
Powertransforme
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H
VDCconverterstation
/maincomponents
By-pass
switch
u-imeasurement
Disc
onnector
HVDCValv
e
Converter
transform
er
Wallbushing
MRT
Bswitch
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Arcingchamberde
velopment
forcircuitb
reakers
Challenges
XCalculationmetho
ds
X
Ma
terialquestions
X
Testingmethods
-
7/30/2019 Long Distance Bulk Power Transmission in both UHVAC and UHVDC
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Po
werTransformers
Tank-mou
nted
air-blastc
oolers
Core&
Windings-Optimum
XSinglephase
X
Threewoundlimbs
X
Connectionin
parallel
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DC+/-50
0kV
4000MW
AC230kV
600MW
Exam
ple(inopera
tion):ACan
dDClines
Ne
lsonRiver/CAN
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ARE
VAT&D
Thankyo
u