Governor Type 3
A linearised model of a hydraulic turbine with IEEE type 3 speed controller.
blockType: SubSystem
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Path in the library: |
Description
The block Governor Type 3 is a model of the IEEEG3 hydraulic turbine-regulator with pressure water line dynamics.
This block has a more detailed regulator model than the Governor Type 1 block and uses a linearised turbine model, or water column model, and headwater dynamics.
This diagram illustrates the overall structure of the block:
Ports
Input
#
ω
—
turbine speed
scalar
Details
Turbine speed in relative units, given as a scalar.
| Data types |
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| Complex numbers support |
No |
#
Pref
—
reference speed offset
scalar
Details
The offset applied to the turbine-regulator load speed reference is returned as a scalar.
Connect this port to the Pref output port of a turbine load controller unit, such as the unit Controller LCFB1.
| Data types |
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| Complex numbers support |
No |
Output
#
Pm
—
mechanical power
scalar
Details
Mechanical power, returned as a scalar.
| Data types |
|
| Complex numbers support |
No |
Parameters
Main
# Speed reference, pu — speed setpoint
Details
Speed reference in relative units.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Initial torque, pu — initial torque
Details
Initial torque in relative units at the start of the simulation.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Sample time — description missing
Details
description missing
| Default value |
|
| Program usage name |
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| Evaluatable |
Yes |
# Gate servomotor time constant T_g, s — time constant for the servomotor of the hydraulic turbine guide apparatus
Details
Time constant for the hydraulic turbine guide servomotor.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Pilot value time constant T_p, s — time constant of the control signal
Details
The time constant of the control signal. This parameter is associated with the block labelled Low-Pass Filter in the diagram.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Opening gate rate limit U_o, pu/s — shutter opening speed limit
Details
The limit of the shutter opening speed per unit. This parameter is associated with the unit labelled Low-Pass Filter in the diagram.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Closing gate rate limit U_c, pu/s — shutter closing speed limit
Details
The limit of the shutter closing speed per unit. This parameter is associated with the unit labelled Low-Pass Filter in the diagram.
| Default value |
|
| Program usage name |
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| Evaluatable |
Yes |
# Maximum gate position, on MVA capability P_max, pu — maximum valve opening o.e., at power P-max
Details
Maximum valve opening o.e., at P-max output.
| Default value |
|
| Program usage name |
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| Evaluatable |
Yes |
# Minimum gate position, on MVA capability P_min, pu — minimum valve opening o.e., at power P-min
Details
Minimum valve opening o.e., at power P-min.
| Default value |
|
| Program usage name |
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| Evaluatable |
Yes |
# Permanent speed droop coefficient R_perm, pu — speed statism coefficient in relative units
Details
Rate statism coefficient in relative units.
| Default value |
|
| Program usage name |
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| Evaluatable |
Yes |
# Transient speed droop coefficient R_temp, pu — transient speed reduction factor
Details
The transient speed reduction factor in relative units. This parameters is related to the block labelled Filtered Derivative in the diagram.
| Default value |
|
| Program usage name |
|
| Evaluatable |
Yes |
# Governor time constant T_r, s — controller time constant
Details
Regulator time constant. This parameters is related to the block labelled Filtered Derivative in the diagram.
| Default value |
|
| Program usage name |
|
| Evaluatable |
Yes |
# Water starting time constant T_w, s — water start-up time constant
Details
Water inertia time constant. This parameter is related to the block labelled Lead-Lag in the diagram.
| Default value |
|
| Program usage name |
|
| Evaluatable |
Yes |
# Penstock coefficient a_11 — coefficient a_11 of gate dynamics
Details
The a_11 coefficient of a_11 gate dynamics. This parameter is related to the block labelled Lead-Lag in the diagram.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Penstock coefficient a_13 — coefficient a_13 of gate dynamics
Details
The a_13 coefficient a_13 of the gate dynamics. This parameter is related to the block labelled Lead-Lag in the diagram.
| Default value |
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| Program usage name |
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| Evaluatable |
Yes |
# Penstock coefficient a_21 — coefficient a_21 of gate dynamics
Details
The a_21 coefficient a_21 of the gate dynamics. This parameter is related to the block labelled Lead-Lag in the schematic.
| Default value |
|
| Program usage name |
|
| Evaluatable |
Yes |
# Penstock coefficient a_23 — coefficient a_23 of gate dynamics
Details
The a_23 coefficient a_23 of the gate dynamics. This parameter is related to the block labelled Lead-Lag in the schematic.
| Default value |
|
| Program usage name |
|
| Evaluatable |
Yes |