Turbine and its governor (the mathematical models are taken from PSAT)
Extends from Modelica.Icons.Package (Icon for standard packages).
Name | Description |
---|---|
TGTypeI | TG Type I |
TGTypeII | TG Type II |
TGTypeIII | Hydro Turbine (Linear model) and Governor (Standard model)- control scheme Type 3 |
TGTypeIV | Hydro Turbine (Linear model) and Governor (Standard model with PI controller)- control scheme Type 4 |
TGTypeV | Hydro Turbine (Nonlinear model) and Governor (PI controller combined with servomotor)- control scheme Type 5 |
TGTypeVI | Hydro Turbine (Nonlinear model) and Governor (PID controller combined with servomotor)- control scheme Type 6 |
TG Type I
Name | Description |
---|---|
wref | Speed reference [1] |
pref | Active power reference [1] |
R | Droop [1] |
pmax | Maximum turbine output [1] |
pmin | Minimum turbine output [1] |
Ts | Governor time constant [s] |
Tc | Servo time constant [s] |
T3 | Transient gain time constant [s] |
T4 | Power fraction time constant [s] |
T5 | Reheat time constant [s] |
Name | Description |
---|---|
w | Rotor speed [pu] |
pm | Mechanical power [pu] |
TG Type II
Name | Description |
---|---|
wref | Reference speed [1] |
R | Droop [1] |
pmax0 | Maximum turbine output [1] |
pmin0 | Minimum turbine output [1] |
Ts | Governor Time constant [s] |
T3 | Transient gain time constant [s] |
Sn | Nominal power [VA] |
Power flow data | |
S_b | System base power [VA] |
Name | Description |
---|---|
pm0 | Initial mechanical power [pu] |
pm | Mechanical power [pu] |
w | Rotor speed [pu] |
Hydro Turbine (Linear model) and Governor (Standard model)- control scheme Type 3
Name | Description |
---|---|
wref | Reference speed [1] |
Tg | Pilot valve droop [1] |
gmax | Maximum gate opening [1] |
gmin | Minimum gate opening [1] |
vmax | Maximum gate opening rate [1] |
vmin | Minimum gate opening rate [1] |
Tp | Pilot valve time constant [s] |
Tr | Dashpot time constant [s] |
delta | Transient speed droop [pu/pu] |
sigma | Permanent speed droop [pu/pu] |
Tw | Water starting time [s] |
a11 | Deriv. of flow rate vs. turbine head |
a13 | Deriv. of flow rate vs. gate position |
a21 | Deriv. of torque vs. turbine head |
a23 | Deriv. of torque vs. gate position |
int3 | |
Power flow data | |
P_0 | Active power [1] |
Name | Description |
---|---|
w | Rotor speed [pu] |
pm | Mechanical power [pu] |
Hydro Turbine (Linear model) and Governor (Standard model with PI controller)- control scheme Type 4
Name | Description |
---|---|
wref | Reference speed [1] |
Tg | Pilot valve droop [1] |
gmax | Maximum gate opening [1] |
gmin | Minimum gate opening [1] |
vmax | Maxmimum gate opening rate [1] |
vmin | Maximum gate opening rate [1] |
Tp | Pilot valve time constant [s] |
Tr | Dashpot time constant [s] |
sigma | Permanent speed droop [pu/pu] |
delta | Transient speed droop [pu/pu] |
Tw | Water starting time [s] |
a11 | Deriv. of flow rate vs. turbine head |
a13 | Deriv. of flow rate vs. gate position |
a21 | Deriv. of torque vs. turbine head |
a23 | Deriv. of torque vs. gate position |
Kp | Proportional droop |
Ki | Integral droop |
Pref |
Name | Description |
---|---|
w | Rotor speed [pu] |
Pm | Mechanical power [pu] |
Hydro Turbine (Nonlinear model) and Governor (PI controller combined with servomotor)- control scheme Type 5
Name | Description |
---|---|
Tg | Servomotor droop [1] |
gmax | Maximum gate opening [1] |
gmin | Minimum gate opening [1] |
vmax | Maximum gate opening rate [1] |
vmin | Minimum gate opening rate [1] |
Tp | Pilot valve time constant [s] |
Tw | Water starting time [s] |
Kp | Proportional droop [pu/pu] |
Ki | Integral droop [pu/pu] |
sigma | Permanent speed droop [pu/pu] |
Pref | [1] |
Name | Description |
---|---|
w | Rotor speed [pu] |
Pm | Power Pm [pu] |
pref | Reference power [pu] |
wref | Reference rotor speed [pu] |
Hydro Turbine (Nonlinear model) and Governor (PID controller combined with servomotor)- control scheme Type 6
Name | Description |
---|---|
gmax | Maximum gate opening [1] |
gmin | Minimum gate opening [1] |
vmax | Maximum gate opening rate [1] |
vmin | Minimum gate opening rate [1] |
Ta | Pilot valve time constant [s] |
Tw | Water starting time [s] |
beta | Transient speed droop [pu/pu] |
Kp | Proportional droop [pu/pu] |
Ki | Integral droop [1/s] |
Kd | Derivative droop [s] |
Td | Derivative droop time constant [s] |
Rp | Permanent droop [pu/pu] |
Ka | Pilot valve gain [pu/pu] |
dref | [1] |
po | [1] |
Name | Description |
---|---|
Pm | Mechanical power [pu] |
pe | Active power [pu] |
pref | Active power reference [pu] |
wref | Rotor speed reference [pu] |
we | Rotor speed [pu] |