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For lightning transient studies, the line insulators are represented by voltage-dependent switches. There are different options to model the flashover during lightning transients, such as: Voltage…
An example is provided in the project attached. The state machine is implemented in the block definition "StateMachine" and it is based on DSL statements. It represents a generic example of how the…
The following FAQ provides an example of a DSL configuration script for initialisation: …
In the attached project a QDSL model is implemented that controls the switching status of a pre-defined breaker. On the load flow page of the QDSL model the study case time is checked against the…
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In the attached project a QDSL model is implemented which realises a switchover between a primary and a secondary supply. If the voltage at the chosen terminal "BB_voltage" decreases below "u_min",…
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In DIgSILENT Library, specific grid-forming (grid forming) converter templates are available and ready to use; a corresponding Technical Reference is also delivered as a reference for additional…
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The PowerFactory synchronous machine element offers an input signal for the excitation voltage. Usually this signal is connected to a DSL model of an excitation system (AVR or EXC). This modelling…
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Default parameters for a DSL model can be created by defining a corresponding ElmDsl (DSL model) inside the BlkDef (DSL model type) and adding the corresponding default parameters. If these are…
Onwards PowerFactory 2022, an IEC 61400-27 DLL (defined in IEC 61400-27-2 Edition 1 Annex G) can be used in Modelica Model Type (TypMdl) in addition to DSL Model Type (BlkDef). It is recommended that…
The attached example includes three options for defining a switch event in a Modelica model. Option 1: executes two events on Load 1; the event is predefined inside the Modelica model and is called…