: Public Class
Created: 09/04/2012 15:14:42
Modified: 02/06/2013 12:46:20
Project:
Advanced:
Detailed hydro unit - Francis model.  This model can be used to represent three types of governors.<br/>A schematic of the hydraulic system of detailed hydro unit models, like Francis and Pelton, is provided in the DetailedHydroModelHydraulicSystem diagram.<br/>
Attribute
Public PU
  am
Details:
Notes: Opening section S<sub>eff</sub> at the maximum efficiency (Am).  Typical Value = 0.7.<br/>
Public Area
  av0
Details:
Notes: Area of the surge tank (A<sub>V0</sub>). Unit = m<sup>2</sup>. Typical Value = 30.<br/>
Public Area
  av1
Details:
Notes: Area of the compensation tank (A<sub>V1</sub>). Unit = m<sup>2</sup>. Typical Value = 700.<br/>
Public PU
  bp
Details:
Notes: Droop (Bp).  Typical Value = 0.05.<br/>
Public Frequency
  db1
Details:
Notes: Intentional dead-band width (DB1).  Unit = Hz.  Typical Value = 0.<br/>
Public PU
  etamax
Details:
Notes: Maximum efficiency (EtaMax).  Typical Value = 1.05.<br/>
Public FrancisGovernorControlKind
  governorControl
Details:
Notes: Governor control flag (Cflag).  Typical Value = mechanicHydrolicTachoAccelerator.<br/>
Public Length
  h1
Details:
Notes: Head of compensation chamber water level with respect to the level of penstock (H<sub>1</sub>).  Unit = m. Typical Value = 4.<br/>
Public Length
  h2
Details:
Notes: Head of surge tank water level with respect to the level of penstock (H<sub>2</sub>).  Unit = m. Typical Value = 40.<br/>
Public Length
  hn
Details:
Notes: Rated hydraulic head (H<sub>n</sub>).  Unit = m. Typical Value = 250.<br/>
Public PU
  kc
Details:
Notes: Penstock loss coefficient (due to friction) (Kc).  Typical Value = 0.025.<br/>
Public PU
  kg
Details:
Notes: Water tunnel and surge chamber loss coefficient (due to friction) (Kg).  Typical Value = 0.025.<br/>
Public PU
  kt
Details:
Notes: Washout gain (Kt).  Typical Value = 0.25.<br/>
Public PU
  qc0
Details:
Notes: No-load turbine flow at nominal head (Qc0).  Typical Value = 0.21.<br/>
Public VolumeFlowRate
  qn
Details:
Notes: Rated flow (Q<sub>n</sub>). Unit = m<sup>3</sup>/s. Typical Value = 40.<br/>
Public Seconds
  ta
Details:
Notes: Derivative gain (Ta).  Typical Value = 3.<br/>
Public Seconds
  td
Details:
Notes: Washout time constant (Td).  Typical Value = 3.<br/>
Public Seconds
  ts
Details:
Notes: Gate servo time constant (Ts).  Typical Value = 0.5.<br/>
Public Seconds
  twnc
Details:
Notes: Water inertia time constant (Twnc).  Typical Value = 1.<br/>
Public Seconds
  twng
Details:
Notes: Water tunnel and surge chamber inertia time constant (Twng). Typical Value = 3.<br/>
Public Seconds
  tx
Details:
Notes: Derivative feedback gain (Tx).  Typical Value = 1.<br/>
Public Float
  va
Details:
Notes: Maximum gate opening velocity (Va).  Unit = PU/sec.  Typical Value = 0.011.<br/>
Public PU
  valvmax
Details:
Notes: Maximum gate opening (ValvMax).  Typical Value = 1.<br/>
Public PU
  valvmin
Details:
Notes: Minimum gate opening (ValvMin).  Typical Value = 0.<br/>
Public Float
  vc
Details:
Notes: Maximum gate closing velocity (Vc).  Unit = PU/sec.  Typical Value = -0.011.<br/>
Public Boolean
  waterTunnelSurgeChamberSimulation
Details:
Notes: Water tunnel and surge chamber simulation (Tflag).<br/>true = enable of water tunnel and surge chamber simulation<br/>false = inhibit of water tunnel and surge chamber simulation.<br/>Typical Value = false.<br/>
Public Length
  zsfc
Details:
Notes: Head of upper water level with respect to the level of penstock (Zsfc).  Unit = m.  Typical Value = 25.<br/>
Object Type Connection Direction Notes
TurbineGovernorDynamics Class Generalization To