modelPicdro
Pick-up drop-off implementation for protection functions
Information
This function implements a logical pick-up-drop-off function commonly used when designingprotection schemes (e.g. fault detection, signal out-of-range, etc.).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Types.Time | Tpick | Pick-up time delay | |
| Types.Time | Tdrop | Drop-off time delay |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.BooleanInput | condition | ||
| Modelica.Blocks.Interfaces.BooleanOutput | trip |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Logical.Timer | timer | ||
| Modelica.Blocks.Logical.GreaterThreshold | greaterThreshold | ||
| Modelica.Blocks.Logical.RSFlipFlop | rSFlipFlop | ||
| Modelica.Blocks.Logical.Timer | timer1 | ||
| Modelica.Blocks.Logical.GreaterThreshold | greaterThreshold1 | ||
| Modelica.Blocks.Logical.Not | not1 |
Revisions
Model Name |
pickdro function |
Reference |
PowerFactory Manual |
Last update |
January 2021 |
Author |
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Contact |
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Model Verification |
This model has not been verified against PowerFactory. |
Description |
See the PF manual for a detailed description. NOTE: a small constant has been added to pick-up drop-off delay to avoid numerical issues when they are set to 0 by user. |