GovSteamFV3
Class Description
Simplified GovSteamIEEE1 steam turbine governor with Prmax limit and fast valving.
Attributes
| Name | Type | Description |
|---|---|---|
| gv1 | PU | Nonlinear gain valve position point 1 (<i>GV1</i>). Typical value = 0. |
| gv2 | PU | Nonlinear gain valve position point 2 (<i>GV2</i>). Typical value = 0,4. |
| gv3 | PU | Nonlinear gain valve position point 3 (<i>GV3</i>). Typical value = 0,5. |
| gv4 | PU | Nonlinear gain valve position point 4 (<i>GV4</i>). Typical value = 0,6. |
| gv5 | PU | Nonlinear gain valve position point 5 (<i>GV5</i>). Typical value = 1. |
| gv6 | PU | Nonlinear gain valve position point 6 (<i>GV6</i>). Typical value = 0. |
| k | PU | Governor gain, (reciprocal of droop) (<i>K</i>). Typical value = 20. |
| k1 | PU | Fraction of turbine power developed after first boiler pass (<i>K1</i>). Typical value = 0,2. |
| k2 | PU | Fraction of turbine power developed after second boiler pass (<i>K2</i>). Typical value = 0,2. |
| k3 | PU | Fraction of hp turbine power developed after crossover or third boiler pass (<i>K3</i>). Typical value = 0,6. |
| mwbase | ActivePower | Base for power values (<i>MWbase</i>) (> 0). Unit = MW. |
| pgv1 | PU | Nonlinear gain power value point 1 (<i>Pgv1</i>). Typical value = 0. |
| pgv2 | PU | Nonlinear gain power value point 2 (<i>Pgv2</i>). Typical value = 0,75. |
| pgv3 | PU | Nonlinear gain power value point 3 (<i>Pgv3</i>). Typical value = 0,91. |
| pgv4 | PU | Nonlinear gain power value point 4 (<i>Pgv4</i>). Typical value = 0,98. |
| pgv5 | PU | Nonlinear gain power value point 5 (<i>Pgv5</i>). Typical value = 1. |
| pgv6 | PU | Nonlinear gain power value point 6 (<i>Pgv6</i>). Typical value = 0. |
| pmax | PU | Maximum valve opening, PU of <i>MWbase</i> (<i>Pmax</i>) (> GovSteamFV3.pmin). Typical value = 1. |
| pmin | PU | Minimum valve opening, PU of <i>MWbase</i> (<i>Pmin</i>) (< GovSteamFV3.pmax). Typical value = 0. |
| prmax | PU | Max. pressure in reheater (<i>Prmax</i>). Typical value = 1. |
| t1 | Seconds | Governor lead time constant (<i>T1</i>) (>= 0). Typical value = 0. |
| t2 | Seconds | Governor lag time constant (<i>T2</i>) (>= 0). Typical value = 0. |
| t3 | Seconds | Valve positioner time constant (<i>T3</i>) (> 0). Typical value = 0. |
| t4 | Seconds | Inlet piping/steam bowl time constant (<i>T4</i>) (>= 0). Typical value = 0,2. |
| t5 | Seconds | Time constant of second boiler pass (i.e. reheater) (<i>T5</i>) (> 0 if fast valving is used, otherwise >= 0). Typical value = 0,5. |
| t6 | Seconds | Time constant of crossover or third boiler pass (<i>T6</i>) (>= 0). Typical value = 10. |
| ta | Seconds | Time to close intercept valve (IV) (<i>Ta</i>) (>= 0). Typical value = 0,97. |
| tb | Seconds | Time until IV starts to reopen (<i>Tb</i>) (>= 0). Typical value = 0,98. |
| tc | Seconds | Time until IV is fully open (<i>Tc</i>) (>= 0). Typical value = 0,99. |
| uc | Float | Maximum valve closing velocity (<i>Uc</i>). Unit = PU / s. Typical value = -1. |
| uo | Float | Maximum valve opening velocity (<i>Uo</i>). Unit = PU / s. Typical value = 0,1. |
Relationships
Ancestors
Descendents
No descendent classes
Associations
None