This component can represent one of three IEEE type hydro governor models:
GOV1: Mechanical-Hydraulic Controls
GOV2: PID Controls including Pilot and Servo Dynamics
GOV3: Enhanced Controls for Load Rejection Studies
The inputs to this component are per-unit speed w, per-unit speed reference Wref and gate position during initialization z0. The output is the gate position z.
More: |
Name for Identification |
Text |
Optional text parameter for identification of the component. |
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Hydro Governor Model |
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Choice |
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Select GOV1, GOV2 or GOV3 as described in Hydro Governor Transfer Functions |
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Gov/Turb Status => 0-Initialize; 1-Normal |
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INTEGER |
Variable |
A variable name can be used. This variable can come from Output Variables for Controller Initialization section of the Synchronous Machine input parameters |
NOTE: See Hydro Governor Transfer Functions for more details.
Dead Band Value |
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REAL |
Constant |
If the speed difference is less than the dead band value, then the 'error' input to the governor will be zero [pu] |
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Permanent Droop (Rp) |
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REAL |
Constant |
Enter a value for permanent droop compensation factor [pu] |
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Maximum Gate Position (Gmax) |
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REAL |
Constant |
Enter a value for the maximum gate position [pu] |
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Minimum Gate Position (Gmin) |
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REAL |
Constant |
Enter a value for the minimum gate position [pu] |
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Max. Gate Opening Rate (MXGTOR) |
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REAL |
Constant |
Enter a value for the maximum gate-opening rate [pu/s] |
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Max. Gate Closing Rate (MXGTCR) |
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REAL |
Constant |
Enter a value for the maximum gate-closing rate [pu/s] |
Gov1: Mechanical-Hydraulic Governor
NOTE: See Hydro Governor Transfer Functions for more details.
Pilot Valve & Servomotor Time Constant (Tp) |
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REAL |
Constant |
Enter a value for pilot valve and servomotor time constant [s] |
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Servo Gain (Q) |
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REAL |
Constant |
Enter a value for servo gain [pu] |
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Main Servo Time Constant (Tg) |
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REAL |
Constant |
Enter a value for main servo time constant [s] |
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Temporary Droop (Rt) |
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REAL |
Constant |
Enter a value for permanent droop compensation factor [pu] |
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Reset or Dashpot Time Constant (TR) |
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REAL |
Constant |
Enter a value for reset or dashpot time constant [s] |
Gov2: Electro-Hydraulic (Pid) Governor
NOTE: See Hydro Governor Transfer Functions for more details.
Proportional Gain (Kp) |
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REAL |
Constant |
Enter a value for proportional gain [pu] |
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Integral Gain (Ki) |
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REAL |
Constant |
Enter a value for integral gain [pu] |
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Derivative Gain (Kd) |
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REAL |
Constant |
Enter a value for derivative gain [pu] |
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Pilot Servomotor Time Constant (TA) |
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REAL |
Constant |
Enter a value for pilot servo motor time constant [s] |
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Gate Servo Time Constant (TC) |
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REAL |
Constant |
Enter a value for gate servo time constant [s] |
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Gate Servomotor Time Constant (TD) |
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REAL |
Constant |
Enter a value for gate servo motor time constant [s] |
NOTE: See Hydro Governor Transfer Functions for more details.
Is Jet Deflector in Operation? |
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Choice |
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Select Yes or No |
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Is Relief Valve in Operation? |
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Choice |
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Select Yes or No |
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Pilot Valve Time Constant (Tp) |
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REAL |
Constant |
Enter a value for pilot valve time constant [s] |
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Reset or Dashpot Time Constant (TR) |
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REAL |
Constant |
Enter a value for reset or dashpot time constant [s] |
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Temporary Droop (Rt) |
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REAL |
Constant |
Enter a value for permanent droop compensation factor [pu] |
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Main Servo Time Constant (Tg) |
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REAL |
Constant |
Enter a value for main servo time constant [s] |
NOTE: See Hydro Governor Transfer Functions for more details.
Max. Deflector Opening Rate (MXJDOR) |
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REAL |
Constant |
Enter a value for the maximum deflector-opening rate [pu/s] |
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Max. Deflector Closing Rate (MXJDCR) |
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REAL |
Constant |
Enter a value for the maximum deflector-closing rate [pu/s] |
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Gate Buffer Cut-in Value (Z_CUT) |
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REAL |
Constant |
If the gate position is less than this value and if the deflector is in operation, the buffered gate opening/closing rates come into operation [pu] |
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Max Buffer Opening Rate (MXBGOR) |
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REAL |
Constant |
Enter a value for the maximum buffer-opening rate [pu/s] |
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Max Buffer Closing Rate (MXBGCR) |
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REAL |
Constant |
Enter a value for the maximum buffer-closing rate [pu/s] |
NOTE: See Hydro Governor Transfer Functions for more details.
Relief Valve Closing Rate (RVLVCR) |
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REAL |
Constant |
Enter a value for the relief valve-closing rate [pu/s] |
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Max. Relief Valve Position (RVLMAX) |
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REAL |
Constant |
Enter a value for the relief valve position [pu] |