This function implements a logical pick-up-drop-off function commonly used when designingprotection schemes (e.g. fault detection, signal out-of-range, etc.).
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.  |