Table 2 Parameters used for LFC of an isolated power plant
Name | Parameter | Value |
|---|---|---|
Governor gain | \({K}_{gov}\) | 1 |
The governor’s time constant (s) | \({T}_{gov}\) | 0.2 |
Turbine gain | \({K}_{turbine}\) | 1 |
The turbine time constant (s) | \({T}_{turbine}\) | 0.5 |
Generator inertia time constant (s) | \(H\) | 5 |
Percentage change in load divided by percentage change in frequency | \(D\) | 0.8 |
Generator gain | \({K}_{gen}=1/D\) | 1.25 |
The generator time constant (s) | \({T}_{gen}=2H/D\) | 12.5 |
Governor speed regulation in p.u | \(R\) | 0.05 |
Turbine-base MVA | \({P}_{mech}\) | 250 |
Nominal frequency (Hertz) | \(f\) | 50 |
Change in load in p.u | \({\Delta P}_{load}\) | 0.2 |