Generic Turbine Mode including Intercept Valve Effect (TUR2)
As indicated previously, each of these two thermal turbine models have a unique transfer function. The schematic diagram of each is given below.
Where,
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Control Valve Flow Area [pu] |
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K fraction [pu] |
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Steam chest time constant [s] |
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Reheater time constant [s] |
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Reheater/cross-over time constant [s] |
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Cross-over time constant [s] |
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HP turbine power output [pu] |
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LP turbine power output [pu] |
Where,
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Control valve flow area [pu] |
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Intercept valve flow area [pu] |
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K fraction [pu] |
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|
Steam chest time constant [s] |
|
|
Reheater time constant [s] |
|
|
Reheater/cross-over time constant [s] |
|
|
Cross-over time constant [s] |
|
|
HP turbine power output [pu] |
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|
LP turbine power output [pu] |
