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A Technical Reference for the doubly fed induction machine is available in the PowerFactory Help menu under Technical Reference.…
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In the attached model, you will find how to model the capacitive and inductive couplings of overhead lines. The example includes study cases that demonstrate: Single line model to study the behaviour…
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The polarity field is used to correct or adjust the proximity of the ends of coupled lines in the case that they have been incorrectly defined. When the user draws lines in PowerFactory, the i and j…
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A neutral earthing compensator (NEC) or neutral earthing resistor (NER) is modelled in PowerFactory as an element that needs no type. The rated voltage, rated current, zero sequence and zero sequence…
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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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The attached example shows how to model an ideal 3-phase transformer, representing the influence of the delta winding in addition to three single phase transformers with different short…
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Firstly, it is considered a transformer that has a tap changer on the HV side, with a voltage source of 100 V on the HV. If the tap is on the position where the primary turns are np=50 then the…
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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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The LDC is normally used in MV/LV radial networks to control the voltage at a remote end (by measuring the load current and compensating the voltage drop). A detailed explanation of the Line Drop…
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