Tumut 3 Power Station - NSW

  Point of Interest

Position

DEG: -35.610802 148.291306
DMS: 35º 36' 38.89" S 148º 17' 28.7" E
UTM: 55 H 6058450mN 616955mE
Altitude: 385.63m

Description

Address & Contact

Unnamed Road
Talbingo NSW 2720
Phone: N/A
Email: N/A
Web: N/A

Information

T3 is the largest of the Snowy Schemes 7 major power stations. Completed in 1972 with six 250 MW generators giving the station a rating of 1500 MW. A headrace channel directs water to the 6 steel pipelines. Every second 188 cumecs of water - that's 188 tonnes - enters a pipe. It falls 150 m and it's gravitational potential energy is converted into the kinetic energy as the water moves down the pipe into the spiral casing of the turbine. Here the linear motion pushes on the 17 blades of the turbine runner to spin it at 187 rpm and thus produce rotary motion. The water exits via the draft tube into the tailbay to flow into Jounama Pondage.

A stainless steel shaft connects the turbine to the generator several stories above and the output is AC power. A six year upgrade ending in 2012 has lifted the station capacity to 1800 MW with installation of new technology turbine runners with forward leaning blades which capture more of the water's energy. But not every last bit as tailbay turbulence shows. An old runner is on display next to a pump impeller.

Units 4,5 and 6 have undercoupled pumps. These three generators can reverse and consume 200 MW of power to now be motors and thereby pump water back up through a head of 155 m each at a rate of 99 cumecs. This power is purchased at cheaper off-peak rates. The same water is used at the next peak period earning Snowy Hydro many times the cost price. This is the principle behind Snowy 2.0.
PlaceID130260
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Wildflowers

Weather

Closest Weather Station

TemperatureFeels LikeRel. HumidityDew PointPressureRainfallWind DirectionWind SpeedGusts

Closest Climatic Station

Tumbarumba Post Office
Distance from Tumut 3 Power Station 31.16km SW
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean Max. °C28.828.325.019.915.211.710.612.215.219.322.625.9
Mean Min. °C12.012.08.74.92.30.2-0.20.93.05.27.69.5
Mean Rain mm62.054.966.865.482.2101.9105.1107.291.096.574.970.8

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