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Harmonic load flow calculation and frequency sweep calculations required detailed models of lines that are also representative for higher frequencies. For harmonic analysis, overhead lines and cable…
For harmonic analysis in the frequency domain, overhead lines and cables should be modeled based on a distributed parameter line model. Long overhead lines and cables should be modeled with…
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Cable systems can be modeled in PowerFactory using either sequence data or geometrical data of the single core cable and cable system arrangement. The PowerFactory project which is attached with this…
High voltage cable systems sometimes require a detailed analysis of voltages and currents in the core and metallic screen (sheath). In order to analyse both voltages and currents along the cable, the…
To calculate the current rating of a cable the Cable Ampacity calculation can be used. According to two different methods (IEC 60287, Neher-McGrath) the maximum current through a cable can be…
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The Cable Ampacity calculation can be used in PowerFactory to precisely calculate the rating of a cable. It can only be executed when the geometrical data of a cable is defined by the use of a cable…
The two cable analysis tools each have distinctive applications that they can be used for: Cable Sizing: Planning a network from scratch Create new or select existing cable types Determination of the…
The Cable Sizing can determine cables types to fulfill different constraint requirement that can be set in the Cable Sizing command (loading, voltage drop/rise, …). The calculation is done with the…
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This can be done by using the Cable Sizing calculation as shown in the attached example: Choose the method “Cable Reinforcement” in the Cable Sizing command. Select a feeder that contains the line…
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A derating factor can be calculated with the Cable Sizing command considering the installation and environmental conditions of a cable. Select the method “International Standards” and choose a…
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