### How can I model a lightning current source in PowerFactory EMT simulation?

A lightning event can be modelled in PowerFactory in two ways: using the built-in impulse source element (ElmImpulse) - recommended approach. using a detailed, user defined DSL model. The first method…
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### Do you have an example for an EMT simulation using stochastic switching?

The attached example demonstrates the use of stochastic switching in PowerFactory, including a description on how to use it. The study case contains a DPL script "Stochastic Switching" which…
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### I want to model the residual voltage for capacitor switching. Can you help me?

To model the initial conditions (voltage) of a capacitor bank, you should use a "parameter event" (SetParam) on the variables "uC_a", "uC_b", "uC_c" (signals of the "ElmShnt"). Please find attached an…
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### How can I define harmonic background voltages in EMT simulations?

To define harmonic background voltages you have to link a voltage source with a DSL model or a fourier source. Refer to the example in the attached file.…
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### How can I use a ComTrade file in a dynamic simulation?

A measurement file object (ElmFile) is used for this purpose. Attached you can find a small example which displays the first 3 channels of a ComTrade file. A measurement file object (ElmFile) is…
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### How can I model the arc voltage characteristic of a circuit breaker?

The arc voltage of the circuit-breaker can be modelled as a nonlinear resistance. Therefore we connect a resistor (series impedance)in series with the circuit-breaker. Both the real and imaginary part…
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### Would you have an example for a wind turbine driving asynchronous machine?

Refer to the attached example. It describes an induction generator with the necessary dynamic models. The reactive power is balanced using a switched capacitor. The dynamic models are a shaft model…
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### Would you have a detailed example for a synchronous generator wind turbine with full converter?

Refer to the attached example. It describes an synchronous generator with wind turbine model and the necessary controllers. The PWM converter models with DC voltage circuits are modeled in detail…
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### Do you have an example in EMT simulation of harmonic currents injection?

In the attached PowerFactory project, a current source is configured to inject fundamental frequency and harmonic currents into the system. The simple network model contains a current source which is…
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### Do you have an example of a load model controlled by DSL?

An example is provided attached depicting a linear and a non-linear dynamic load model.…
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