Main parameters of Si14 Solar thermal power generation system
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Contents Description and parameters |
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System specification |
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Rated power output |
20-35kw |
|
Frequency |
50Hz |
|
Voltage |
3-phase 400VAC |
|
Light-electricity conversion ratio |
28-31% |
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System weight |
5-6t |
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Tracking system |
|
|
Type |
Parabolic dish |
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Rated DNI |
Based on the local solar resources |
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Dish area |
94.8-105.4 m² |
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Intercept ratio |
94-100% |
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Reflectivity |
93-95% |
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Focal distance |
7.3-8.5m |
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Type of tracking |
Dual axis tracking |
|
Stirling power conversion unit |
|
|
Engine type |
4 cylinder Stirling engine |
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Engine model |
Si14-001/base/NRB |
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Working gas |
H2 |
|
Heater head tube temperature |
720°C |
|
Maximum working pressure |
20Mpa |
|
Swept volume |
380cm3 |
|
Generator |
Induction motor |
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Rotation speed |
1500rpm |
|
voltage |
3-phase 400VAC |
|
weight |
920kg |
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Environmental condition for normal operation |
|
|
DNI |
250W/m²-1050W/m² |
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Wind speed |
<13.6m/s |
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Ambient temperature |
-20°C-+50°C |
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Snow load |
<250mm or <25kg/m² |
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Earthquake |
≤6 magnitude |
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Altitude |
≤3000m |
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Humidity |
≤90% (25°C) |
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Survival conditions |
|
|
Ambient temperature |
-40°C-+70°C |
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Wind speed |
<40m/s |
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Hail size |
≤19mm |
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Sand storm |
≤20m/s |
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Ice load |
≤150mm |