Francis Hydro (water) Turbine Generator Unit (HLA551-WJ-80)

Product Description

Francis Turbine Spiral Case
Francis Turbine Spiral Case and Wicket Gate Control
Adjustable Wicket Gate Link Rode
Check Window in Spiral Case
Wicket Gate (Guide Vanes) Control
Francis Turbine Generator Unit
PLC Autotmatic Governor (Hydraulic Pressure Unit)
Electric Butterfly Valve
Francis Turbine Generator Installation (1000KW + 1600KW )
Francis turbine is suitable for middle and high water head, from 15 meter to 300 meters. The merits of this turbine include good operation stability, impacted structure, and relatively higher average efficiency. Vertical and horizontal shaft arrangements are both available. It is one of the most widely used turbines.
Sample:
HLA551C-WJ-50 Francis Horizontal Shaft Hydraulic turbine
1. Guaranteed Turbine Performance
Output:
At hereunder listed water head and tailwater level, when turbine run at rated speed 1000rpm, and the Cavitation Erosion is in permitted range, the output is:
Net water head (m) Output (kw) Max. Output (kw)
Designed Water head 33.7 543.3 kW 574.3
Efficiency:
At rated head 33.7 m, rated output 543.3kW, the guaranteed prototype turbine efficiency is no less than 89%, under the same operation condition the model turbine efficiency guaranteed value is no less than 92%.
Under all operation range, the prototype turbine max. Efficiency guaranteed value is no less than 89%, model turbine max. Efficiency guaranteed value is no less than 92.7%.
Regulation Guarantee
At 33.7 m water head, 543.3 KW output, when dump full load, the maximum speed rise will not exceed 60%. At 33.7 m water head, 543.3 KW output, when dump full load, the maximum pressure rise at the spiral case will not exceed 50%.
2. Turbine Technical Data Details
Model HLA551C-WJ-50, Francis Horizontal Shaft
Runner Pitch Diameter D: 60cm
Rotation Direction if viewing from the ND end of the generator: CW
Rated Speed 1000rpm
Specific Speed at rated water head 33.7 m with rated output 543.3 m. KW
Discharge at rated water head 33.7 m with rated output 1.84 m3/s
Max. Runaway Speed (guide vane at max. Unit runaway open degree position, generator with empty load, max. Water head) 1962r/min
Turbine Air Admission Type Natural Air Admission
The Noise at 1.0 meter distance from the spiral case does not exceed 85dB(A)
Max. Leakage when the Guide Vane is Closed 4.5 L/S
Weight of Rotary Parts (Runner) 0.3T
Total Weight of the Turbine 6.3 T
Max. Lifting part in the powerhouse for the main crane 4.5T (Spiral case assembly)
Runner Material ZG0Cr13Ni4Mo
Main shaft material 20SiMn
Main shaft seal method labyrinth + Water Splash ring
Guide Bearing Type
Material Thrust bushing and radial bushingare both Babbit alloy metal Cooling water consumption 30 L/min Cooling water pressure 0.2~0.3MPa Oil Volume 200 L Oil No. 46# Turbine Oil Spiral Case
Material 16Mn Drainage Equipment Nature drainage Draft tube material 16Mn
Water Distributor Mechanism
Material
Guide Vane: ZG0Cr13Ni4Mo Front, back cover: ZG230-450 Guide Vane Shaft Bushing: GS-2.

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