May 2003 ISSUE TONGBAI Page 4/5 COMPACT HYDRO in ...

DA PU
VA TECH HYDRO was awarded a
new contract for the electromechanical
equipment for the
run-of-river power plant at Da Pu,
Guangxi province. This continues
a line of success for bulb turbines
and generators including plant
equipment in China.
The run-of-river power plant Da Pu
has an installed capacity of 93 MW
and is located on the river Liu close
to the city of Liu Zhou in the
Guangxi Zhuang Autonomous Region
in the south of China. Our customer
is the Instrimpex Equipment
Import and Export Corporation and
the enduser is Guangxi Liuzhou
Guiliu Hydropower. The contract
was signed in Beijing on May 16,
2001, and came into force on September
13, 2002. VA TECH HYDRO
had already followed this project
since 1993 and final negotiation of
the contract was concluded in 2001.
During this rather long period the
preliminary design was done and today
civil construction is already at a
very advanced stage.
VA TECH HYDRO’s scope of supply
consists of:
• three horizontal shaft Kaplan bulb
turbines including electronic
speed governors of the digital type
• three bulb generators
• generator switchgear
• excitation
• protection
• control and automation systems
The design of the turbines and generators
– both components of Austrian
origin for financing reasons –
as well as of the electrical balance
of plant equipment is in full swing in
Linz, Vienna, and Beijing. Liaison
meetings with the responsible people
of the Chinese partners coming
from the Guangxi Water & Power
Design Institute as well as from the
client are taking place just now.
Companies in China will manufacture
the embedded steel components.
The turbine governors as well
KEY PROJECTS
as control and automation systems
are to be provided with the new
NEPTUN technology developed by
VA TECH HYDRO.
Supply of the main equipment will
start already in 2003 and the installation
and commissioning of the entire
plant is scheduled for 2004. By
the end of the year 2004 the power
station has to be on line. That’s a
big challenge because meeting the
short time schedule will need a lot
of coordination and flexibility of all
parties involved.
This hydropower station will not only
supply necessary electricity to the local
power grid, it will also improve the
flood protection of the entire region.
This project will also contribute substantially
to the irrigation of the surrounding
agricultural area as well as
improvement of navigation on the Liu
river.
Gottfried Seisenbacher
Phone +43/70 6987 2842
gottfried.seisenbacher@vatech-hydro.at
Technical data:
Output: 30.7 MW / 32.6 MVA
Voltage: 10.5 kV
Head: 10.8 m
Speed: 93.75 rpm
Runner diameter: 6,000 mm
Stator diameter: 6,800 mm
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