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PowerFactory is able to calculate single-phase interruptions within the short-circuit calculation (complete method) and in the transient simulation. Another option is to connect a three phase…
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Refer to the 2 example projects:The first example 'EvtSwitchExt' shows, how to call a switch event (EvtSwitch) out of a DSL model (general model). In this example the switch events are predefinided in…
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…
PowerFactory fully supports all kinds of unbalanced power system models:- 3phase, 3 wire (loads in Delta, can be unbalanced, lines can be unbalanced)- 3phase, 4 wire (neutral is modelled…
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DIgSILENT developed an EMT model of a VCB based on [1] (hereafter referred to as Greenwood’s model). Greenwood’s model simulates the voltage recovering characteristic of a VCB after contact separation…
The following model provides an example of a long overhead line which is energised via pre-insertion resistors. The overhead line is modeled using a distributed parameters model having the geometry of…
The modelling of LV circuit breaker releases is very similar to the modelling of HV circuit breaker relays. The main difference is that although a CT element is selected (StaCt), this element should…
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The objective of the attached project is to simulate and analyse the transient recovery voltage (TRV) on high voltage circuit breakers. The circuit breaker itself is modelled by means of a breaker…
The attached project demonstrates the behaviour of a full-scale converter based system while subjected to an islanding event. The converter is implemented in PowerFactory using a static generator…
In dynamic simulations, a breaker/switch can be opened via the Switch Event (EvtSwitch). The Switch Event can be parameterised in order to configure the opening process. Furthermore, the breaker…