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PSS1A
This module is based on the IEEE std 412.5 type PSS1A excitation system model. A detailed explanation can be found in [1].
Exciter model overview
The Power System Stabilizer PSS1A block has a single input.
Input/output
The inputs and outputs for this model are described in Table 1.
I/O Name | Type (unit) | Description |
|---|---|---|
VSI | Input (pu) | Power system stabilizer model input |
VST | Output (pu) | Power system stabilizer model output |
Parameters
Name | Unit | Description |
|---|---|---|
A1, A2 | - | PSS signal conditioning frequency filter constants |
T1, T3 | s | PSS lead compensating time constant |
T2, T4 | s | PSs lag compensating time constant |
T5 | s | PSS washout time constant |
T6 | s | Transducer time constant |
Ks | - | PSS gain |
VSTmax | pu | Maximum PSS output |
VSTmin | pu | Minimum PSS output |
Additional notes
For all transfer functions, the degree of the numerator must be less than or equal to the denominator. The user must be aware of this restriction at all times.
Types of inputs
The power system stabilizer PSS1A allows inputs from speed, speed deviation, frequency, frequency deviation, electrical power and power deviation.