day

HIDROENERGIA 2008

BLED

SLOVENIA

2www.vatech-hydro.comR. Faast, 13.06.08

BRIGL & BERGMEISTER

HP STATION II

A REHABILITATION AND UPGRADING

PROJECT AT THE RIVER MURA

R. Faast– ANDRITZ VA TECH HYDRO

E. Walch – ANDRITZ VA TECH HYDRO

A. Warnecke – WARNECKE CONSULT


Location of the power station

Brigl II


• River Mur

• MQ 85.4 m³/s

• HQ5 550 m³/s

• HQ100 950 m³/s

Hydrolocical Data


Original status 1906

unit 1unit 2unit 3unit 4

trash rackdirection of water flow

flu

sh

ing

ca

na

l

power house ground section


Original status 1906

Turbine data: 4 Francis- flume type turbines

Supplier: Voith St. Pölten

unit 1 and unit 2 unit 3 and unit 4

generating electricity powering grindig machines

Qr = 10 [m3/s] Qr = 8 [m3/s]

Hr = 4,9 [m] Hr = 4,9 [m]

n = 72 [1/min] n = 77 [1/min]

Pr = 375 [kW] Pr = 300 [kW]

Total installed capacity 1906: 1.350 [kW]


Power house extension 1924

unit 1unit 2unit 3unit 4

trash rackdirection of water flow

flu

sh

ing

ca

na

l

flu

sh

ing

ca

na

l

unit 6 unit 5

trash rack

flu

sh

ing

ca

na

l

flu

sh

ing

ca

na

l

unit 6 unit 5


Turbine data: 2 Francis- flume type turbines

Supplier: Voith St. Pölten

unit 5 and unit 6

Qr = 8,9 [m3/s]

Hr = 5,7 [m]

n = 77 [1/min]

Pr = 393 [kW]

unit 5: generating electricity and interchangable powering

a grinding machine

unit 6: directly powering a grinding machine

Total installed capacity 1924: 2.136 [kW]

Power house extension 1924


First refurbishment and upgrading 1992

Unit No. 2 was replaced by a bevel gear

bulb turbine in 1992, unit No. 1 was put

out of service.

Supplier: ANDRITZ VATECH HYDRO

Qr = 30,1 [m3/s]

Hr = 6,7 [m]

n = 195,9/600 [1/min]

Pr = 1.818 [kW]

A step up gear is installed between the

turbine runner and the generator.


First refurbishment and upgrading 1992

generator

bevel gear

bulb turbine


Second refurbishment and upgrading 2006/2007

direction of water flow

trash rack

flu

sh

ing

ca

na

l

unit 6 unit 5

flu

sh

ing

ca

na

l

unit 4 unit 3

How to proceed

Feasibility study



Replacement of unit No. 5 and No. 6 by

a Kaplan bulb turbine.

Supplier: ANDRITZ VATECH HYDRO

Commissioning year: 2007

Qr = 31,5 [m3/s]

Hr = 6,53 [m]

n = 187,5 [1/min]

Pr = 1.869 [kW]

The turbine runner with the turbine

shaft is directly coupled to the

generator.

water flow


trash rack

inlet gate

generator

bulb

Cross section bulb turbine

runner

draft tube

draft tube gate

generator cover

guide vanes

hydraulic governorservo motor

upper access shaft

lower access shaft



turbine inlet gate

trash rackbulb turbine

draft tube gate

draft tube

cross section



trash rack

sheet pile wall

sheet pile wall

bulb turbine

draft tube

ground section

flushing canal 2

flushing canal 1


start of construction works

February 2006


unit No. 6

unit No. 5



yellow = remaining structure

red = demolished structure


Construction pit

upstream

sheet pile wall

sheet pile wall

yellow = remaining structure

grey = new structure


Draft tube section


Turbine inlet section


Construction pit


Turbine installation


Generator installation


Commissioning work

start of commissioning

February 2007


BRIGL & ERGMEISTER

POWER STATION II

• energy production increase

• 1906: 1.350 kW

• 1924: 2.136 kW

• 1992: 3.204 kW

• 2007: 4.287 kW

TO BE CONTINUED

day

Documents

replacement of unit

andritz vatech hydroqr

faast andritz va tech

turbine data

upgrading project

kaplan bulb turbine

bevel gear bulb turbine

kwthe turbine runner