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Plant No.
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Renovation Requirements
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Turbine Type
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Turbine Output
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Remarks
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9_SHPP Sveta Petka_ Cultural
Relics
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Repair 3 sets of existing
units, upgrade governor and relevant turbine equipment. Horizontal Francis
turbine units with double-runner structure and exposed groove now become the
cultural relics to be protected, and its appearance could not be changed.
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HLGT021-W2J-82
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282 KW
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It is designed in an
integral way by foreign company. There will be a lot of complicities, limits
and design difficulties for the repair and renovation of such power station
projects which shall be the historical and cultural relics of their
countries.
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10_SHPP Sievo
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Two sets of new horizontal
Kaplan S-type turbines (S-type tubular turbine with rotating blade) will be
assembled in the new plant
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GZGT009-WZ-150
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760 KW
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Adopt CFD design technology
for optimization; new unit is manufactured.
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11_SHPP Temac Cultural
Relics
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Three horizontal Francis
units (one big unit and two small units) in the original plant shall be
renovated.
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Small Unit
HLGT305-WJ-50
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236 KW
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There will be a lot of
complicities, limits and design difficulties for the repair and renovation of
such power station projects which shall be the historical and cultural relics
of their countries.
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Big Unit
HLGT309-WJ-74
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455 KW
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12_SHPP Sokolovica
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Three original units in the
plant will be renovated. Replace one set of vertical Francis turbine with
exposed groove with vertical Kaplan Z-type turbine; replace the original two
vertical blade-rotating turbines with new ones (both water head flow and
runner diameter increased). The new Kaplan Z-type turbine will be assembled
with the original concrete inlet part and draft tube based on the given
operation parameters. The new Kaplan turbine shall be designed in a way to
match the shape and dimension of the original concrete spiral case and draft
tube. So large-scale demolition will not be required.
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Small Unit
GZGT025-WZ-106
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615 KW
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The hydraulic design is made
by foreign company. The unit type is very special, and the runner diameter is
as small as 1060MM. So it is difficult for the design of turbine with
rotating blades.
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Big Unit
ZZK160-LH-175
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2153 KW
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The hydraulic design is made
by foreign company. It has to match with the shape and dimension of original
concrete spiral case and draft tube. The large-scale demolition is not
required, so there will be a lot of limits and design difficulties.
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14_SHPP Vučje Cultural
Relics
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Install a set of new Pelton
turbine. Three original turbines (one big unit and two small units) were
repaired twenty years ago, and now the existing turbines have low efficiency.
The big unit is operating in a low efficiency, while the two small units have
the problems in their nozzle orifice and needle valves, so their operation
efficiency is very low. The existing turbines need to be repaired (due to
grease-leakage and painting failure, etc.). The visible parts of the big unit
operate occasionally. These units are planned to operate for tourism purpose.
These units now become the cultural relics, and in order to maintain their
original appearance, these turbines are not allowed to make significant
changes, and the turbine types and forms shall not be changed. A new set of
vertical 6-nozzle Pelton turbine is designed and manufactured as per modern
standards, and shall be installed in the auxiliary plant. After the new unit
is put into operation, the original three old units were shut down for
cultural protection and tourism.
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CJGT003-L-78/6×7.5
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1356 KW
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The unit is 780mm in
diameter, with 6 nozzles. The unit adopts the exposed structure largely,
which is very special. The turbine must support the whole generator and must
operate in a stable way, so it is very difficult for the strength and
structural design, while at the same time, it is required to consider the
convenience of assembly, disassembly and maintenance of unit.
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15_SHPP Jelašnica Cultural
Relics
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2 sets of horizontal Pelton
turbines are renovated. The project has become the cultural relics. So in
order to keep the original appearance of the equipment, the turbine is not
allowed to make significant changes, its appearance not allowed to be
replaced.
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CJGT003-W-70.8/2×5.3
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230 KW
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There will be a lot of
complicities, limits and design difficulties for the repair and renovation of
such power station projects which shall be the historical and cultural relics
of their countries.
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