modelFrequencyStandardDeviation
Computes the standard deviation of frequency deviations
Extends from TransiEnt.Basics.Icons.Sensor (Icon representing a round measurement device).
Information
1. Purpose of model
Measure freuqency on electric line using TransiEnt interfaces with L1E (single phase active power and frequency lines)
2. Level of detail, physical effects considered, and physical insight
(no remarks)
3. Limits of validity
(no remarks)
4. Interfaces
epp: active power port
y: RealOutput
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(no remarks)
8. Validation
(no remarks)
9. References
The algorithm for standard deviation computation was heaviliy inspired by the Model "Variance" from the Modelica_Noise Library.
10. Version History
Model created by Pascal Dubucq (dubucq@tuhh.de) on 01.10.2014
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Time | t_eps | 15*60 | Start calculation after first 15-Minute value |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Basics.Interfaces.Electrical.ActivePowerPort | epp | ||
| Modelica.Blocks.Interfaces.RealOutput | y | Frequency standard deviation |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| Modelica.Units.SI.Frequency | delta_f | epp.f - simCenter.f_n |