project reference tiger kw tierfehd 380kv / 220kv / 50kv / 16kv
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Project ReferenceTIGER KW Tierfehd 380kV / 220kV / 50kV / 16kV / 9,5kV
Substations Automation Systems
ted to the GIS system. At the same time, trial operation was begun for the main components for auxiliary and emergency power. Simultaneously, the existing equipment in the cavern and the operating building were connected to the new station.
In August 2010, dismantling of the existing switchyards began. This meant that construction work on the connecting canal between the two lakes could be continued and completed.
Starting in October 2010, the 9.5 kV and 16 kV systems were first installed in the cavern, and the 16 kV system was then installed in the operating building. On the construction side, the prerequisites for retrofitting the 380 kV switchgear and the network coupling were satisfied.
ABB solutionAs part of the TIGER project, ABB supplied two autonomous station automation systems – one for the 380/220/ 50 kV high-voltage switchgear with subsystems and one for the 16/9.5 kV medium-voltage switchgears, which also have subsystems. Communication in accordance with IEC 61850 was implemented for the station automation.
The power plants owned by Linth Limmern AG (KLL), a partner company of the canton of Glarus and of Axpo, renovated the Tierfehd substation as part of the Linthal 2015 project. The existing switchyard was taken out of service and replaced with a new, gas-insulated switchgear. For ABB Switzerland, the area of station automation and protection was responsible for the Tiger project.
ProjectThe initial expansion phase at the Tierfehd site began in 2009. After 40 years of operation, all the power transmission and auxiliary power supply facilities needed to be completely over- hauled. In addition, the production systems are being expanded with a pumped storage plant with a capacity of 140 MW at Tierfehd. A further pump storage plant with a capacity of 1000 MW (Linthal 2015) is under construction. The infrastructure of the electrical energy systems has been expanded accordingly.
With the completion of the 220 kV and 50 kV switchgears on April 28, 2010, the Glärnisch Ost high-voltage line was connec-
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The following ABB protective devices cover the area of protection:
Device Function
RED 670 Differential protection and distance protection
REB500Sys Busbar protection
REL670 Distance protection and reactivation
RET670 Differential protection
REF545 Independent maximum power time protection,
busbar protection and control
REF543 Independent maximum power time protection and
control
REM545 Under and over frequency, over and under excitation,
unbalanced loading, reverse power
REC 670 Field control
SIEMENS 7UT635 Differential protection
ABB scope of supply − Supply of protection and control cabinets with Relion© devices
for the 220 kV GIS gas-insulated switchgear, 12 ELK-14 switch panels in a double busbar configuration.
− Supply of protection and control cabinets for the 50/110 kV GIS gas-insulated switchgear, 7 switch panels, coupling and dual slitting as a DS switchyard with portals for 220 and 380 kV, breakers and arresters.
− Supply of protection and control cabinets for the 380 kV GIS gas-insulated switchgear, 5 switch panels, coupling and slitting, double busbar configuration.
− Supply of two complete station control systems. − Supply of the entire safety technology equipment for
the voltage levels 380/220/50/16/9.5 kV − Integration of the auxiliary power supply systems and
the main and associated − plants including emergency power input and battery
installations. − Project management, engineering, manufacturing, checks
and commissioning.
Linthal 2015With the Linthal 2015 expansion project, KLL aims to increase the capacity of the Linth-Limmern power station. In the final phase, the new pumped storage plant will increase the capacity of the existing power plant by 1,000 MW to 1,480 MW.
In this expansion phase, ABB will again be responsible for the protection and station automation. Commissioning is scheduled for 2015.
Customer feedback«With ABB’s TIGER project, we had an expert and reliable partner with comprehensive know-how and local ties (Swiss site). Thanks to the excellent and professional project management, costs and deadlines were largely maintained. During the project, we greatly appreciated the constructive and cooperative collaboration.» Stefan Eckert, project manager at Axpo.
For more information please contact:
ABB Switzerland Ltd Power SystemsBruggerstrasse 72 CH-5400 Baden, Switzerland Phone: +41 58 585 77 44 Fax: +41 58 585 55 77 E-Mail: substation.automation@ch.abb.com www.abb.com/substationautomation
Overview of the Linthal 2015 project after expansion Inside the Tierfehd substation
Lake Limmern1857 m ü. M. / 92 Mio. m3
Lake Mutt2474 m ü. M. (before 2446 m ü. M.)25 Mio. m3 (before 9 Mio. m3)
Pump storage stationLimmern(Linthal 2015)
Power station Linthal
Effluent to the river Linth
Power station Tierfehd
TurbineTotal 1000 MW
Turbine LimmernTotal 261 MW
Pump storage stationTierfehd Turbine Hintersand
Total 40 MW
Turbine TierfehdTotal 34,4 MW
Substation Tierfehd220 kV und 50 kV Switchgears
Pump HintersandTotal 34 MW
Pump140 MW
Turbine140 MW
PumpTotal 1000 MW
Pump storage stationLimmern
Balancing reservoir Hintersand1298 m ü. M. 110000 m3
Balancing reservoir Tierfehd811 m ü. M. / 560000 m3 (210000 m3)
Balancing reservoir Linthal676 m ü. M. / 210000 m3
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