[English] Kelvin power
station has an installed capacity of 600 MW. The first phase of the
station (Station A – 180 MW) was commissioned in 1957, and
comprises eleven boilers and six 30 MW generators. The second phase
(Station B – 420 MW) was commissioned in 1964, and has seven
boilers and seven 60 MW generators. Kelvin power station was a
"Merz" station having been engineered at the time by this firm from
the then UK offices. The power station used to be owned and
maintained by the City of Johannesburg electricity department which
later became City Power. In September 2007, a consortium led by the
Macquare Group, Old Mutual Investment Group, Kagiso Trust
Investment, Aldwych Holdings (a subsidiary of Aldwych
International), the Netherlands Development Finance Company (FMO),
and J & J Infrastructure Holdings acquired 95% stake of the
power station. Global African Power also increased its shareholding
within the consortium to 20%. Kelvin Power station's installed
capacity constitutes up to 20% of Johannesburg City Power energy
requirements. The power station has been generating at just under
200 MW for some years due to technical constraints. The current 88
kV busbar fault level at the station allows for a maximum generated
output of 180 MW at any given time. This threshold ensures that the
fault level is not exceeded, and the current high voltage equipment
operates safely. As a result of the output limits, a maximum of
three generators from Station B can be operated simultaneously, or
alternatively a maximum of six generators from Station A can be
operated. A combination of generators from the two stations is
normally utilised. Kelvin Power Station is in the process of
its asset refurbishment and maintenance programme to meet an
immediate capacity of 300MW and long-term target of 400MW. The
power station employs 350 people and provides about 17 percent of
Johannesburg's electricity needs.
The
name of Kelvin Power Station commemorates William Thomson, First
Baron Kelvin (1824-1907), who although born in Northern Ireland,
came to Glasgow at the age of six after the death of his Scottish
mother. His father became Professor of Mathematics at the
University of Glasgow, and his own scientific research was also
conducted at this university. Thomson was made Baron Kelvin in 1892
for his pioneering research in the field of electricity, which
resulted in the laying of trans-Atlantic submarine cables. He took
the title "Kelvin" from the river which flows past Glasgow
University.
[Afrikaans]
Kelvin Kragsentrale is een van die min kragsentrales in Suid Afrika
wat nie deur Eskom besit word nie. Tot 2007 was die
kragsentrale die eiendom van Johannesburgse stadsraad, maar
sedertdien is dit geprivatiseer.
Kelvin
Kragsentrale het ‘n geinstalleerde kapasiteit van
600MW. Die eerste fase van die kragsentrale is gebou in 1957.
Dit het bestaan uit 11 Ketels en ses 30 MW opwekkers. Die
tweede phase (Stasie B) is gebou in 1964. Dit het 7 ketels en
sewe 60MW opwekkers. Die kragstasie is ontwerp deur
"Merz” se UK kantore van daardie tyd. Dit was baie jare
in besit van Johannesburg City Power en is in September 2007 deur
‘n groep maatskappye insluitende Macquare Groep, Old Mutual
Beleggings Groep, Kagiso Trust, Aldwych Holdings, die Nederlandse
"Development Finance Company” (FMO), en J & J
Infrastructure Holdings gekoop. Kelvin se opwekkingsvermoe
kan tot 20% van Johannesburg se krag verskaf maar ongelukkig het
die kragstasie die laaste paar jaar minder as 200MW gegenereer as
gevolg van tegniese beperkings. Die kragstasie is huidiglik
beperk tot 180MW. Dit verseker dat foutvlakke nie oorskry
word nie en die kragstasie veilig bedryf word. Kelvin
kragstasie is in die proses van vernuwing en die onderhoudsprogram
sal meebring dat die stasie se kapasiteit verhoog tot 300MW en in
die lang termyn 400MW. Die kragsentrale verskaf werk aan 350
mense en verskaf gemiddeld 17 persent van Johannesburg se
krag.
Die
krag sentrale se naam is gebaseer op William Thomson, Eerste Baron
Kelvin (1824-1907), wat in Noord-Ierland gebore is. Hy het op
die ouderdom van 6 jaar na die dood van sy Skotse ma na Glasgow
getrek. Sy pa was ‘n professor in Wiskunde aan die
Glasgow Universiteit en hyself het navorsing by die universiteit
gedoen. Thomson is vereer met die titel Baron Kelvin in 1892
na aanleiding van sy baanbreker navorsing in die veld van
elektrisiteit. Die navorsing is gebruik om die eerste trans-
Atlantiese onderwater kabel te plaas. Hy het die titel
"Kelvin” gekies in herinnering aan die Kelvinrivier wat verby
die Glasgow Universiteit vloei.