- Country of manufactureChina
Pelton Turbine
Pelton Runner, Pelton Turbine Generator, Pelton Turbine Forging China manufacturer
Pelton turbine is suitable for medium and high water head power plants. The key components are: Pelton runner, main shaft and Nozzle assembly.
Application Scope: Alcance de aplicación:
|
Water Head: |
100 ~ 1700m |
|
Output: |
0.1 ~ 300MW |
|
Frequency: Frecuencia: |
50/60HZ |
|
Runner Diameter: |
0.5 ~ 3m |
1. Advanced CFD, FEA technic is utilized in the designing process to ensure better technical solution.
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CFD analysis for Pelton turbine is performed in order to predict the turbine performance. The head loss in the collecting pipe and injector assembly is calculated based on CFD analysis results.
The relation of needle stroke and flow also can be calculated. CFD analysis can improve injector and nozzle design to reduce head los. The flow curve relative to needle stroke can be drawn based on analytical data.
CFD analysis can simulate the whole procedure which flow coming into and outgoing from bucket. The flow visualization can clearly show whether water flow outgoing from bucket pressure side hit the bucket back side. Such flow situation will cause more hydraulic loss and should be avoid during runner bucket optimum design process. The torque generated by runner and pressure distribution in the bucket can be calculated based on CFD analysis results. Turbine output and efficiency is finally predicted for various operating points.
Fig.8 Flow inside bucket
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The possible location of cavitation can be predicted based on the pressure distribution in the bucket. The phenomena of cavitation should be avoided in the back tip of splitter by optimum design for back shape of splitter.
3. All raw material strictly conform to international standard, key component such as runners, guide vane is Forged and entire CNC machined.
Chemical Composition for ASTM A473 S41500 and ASTM A743 CA6NM（%）
|
Material No. |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
|
ASTM A473 S41500 |
≤0.05 |
≤0.60 |
0.5-1.0 |
≤0.030 |
≤0.030 |
11.5-14.0 |
3.5-5.5 |
0.40-0.80 |
|
ASTM A743 CA6NM |
≤0.06 |
Max1.0 |
Max1.0 |
≤0.040 |
≤0.030 |
11.5-14.0 |
3.5-4.5 |
0.40-1.0 |
Mechanical Property for ASTM A473 S41500 and ASTM A743 CA6NM
|
Material No. |
σ0.2(Mpa) |
σb(Mpa) |
δ5(%) |
ψ(%) |
Akv (J/cm2) |
HB |
|
ASTM A473 S41500 |
≥620 |
≥795 |
≥15 |
≥45 |
≥50 |
≤295 |
|
ASTM A743 CA6NM |
≥550 |
≥755 |
≥15 |
≥35 |
≥50 |
≤285 |
4. State of the art machining and testing equipment, as well as licensed professional engineers all combined to help guarantee better product precisioness.
5. All product is subject to strict inspection according to international standards and client special requirements.