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Converter parameters
General parameters
- Vd Base: Base for direct voltage (kV);
- Id Base: Base for direct current (kA);
- Vac Base (Ph-Ph): Rated AC voltage on the transformer primary (kV rms);
- Synchro Bus: Name of the bus whose voltages are used to synchronize the firing system;
- Line Bus (Vd Measure): Name of the bus connecting the converter and the DC line; the direct voltage measurement is taken on this bus;
Converter transformer
- Transfo name: Transformer label;
- Leakage: Leakage inductance of converter transformer for star or delta winding on valve side (henry);
- Note: Used to determine the commutation resistance to calculate the γ and µ angles. It is assumed that the leakage on the primary side is null and that no series inductance is connected between the switching bus and the transformer. Otherwise, the primary leakages and/or series inductance will be brought back on the secondary side and included in the leakage L.
- Y (lagging = 0, leading = 1): Indicates the relative phase between secondary windings of the transformer. If “0”, the delta winding lags the wye winding; if “1”, the delta winding leads the wye winding.
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