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It is recommended to have only more than one slack generators in the following cases: Lump representation of the external network: when you have two connections from your network and another external…
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In the rectifier model, you can specify a rectifier as either a rectifier with a commutating reactance or just as a rectifier without a commutating reactance. The Technical Reference for the…
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The surge arrester model consists of a non-linear resistance that can be entered point by point. The surge arrester is connected to Bus B and the element input characteristic is governed by a current…
Only the parameters inside the frame (Sub-)Conductor are defined for sub-conductor. All other parameters (e.g. rated current) are specified per bundle. The tower type only specifies overhead line…
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This is possible by using a trick. Enter as the phase of the additional value an angle of phiu: phiu=180 degrees.…
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Assuming a harmonic voltage measurement is present and needs to be converted into current injections, the following steps need to be taken: 1. Convert the measurement data from phase voltage…
The currents and voltage in the sheath / metallic screen (MSC) depend on the bonding configuration. There are different bonding configurations for cables: Double bonding: MSC is grounded on both sides…
The following example contains a network model with a cable system modelled in a pipe. The element ElmCabsys is used to model the cable system (TypCabsys) which is composed of single core cables…
The Thevenin and Norton equivalents are characterized by their open-circuit voltage and short circuit current. The inner voltage source of the Thevenin equivalent equals the open circuit voltage,…
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Harmonic load flow calculation and frequency sweep calculations require detailed models of lines that are also representative for higher frequencies. For that purpose, overhead lines and cable systems…