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The 3-Level T-Type is only available with the State Space Analysis Method (Gen5).
This block implements a single-phase (leg) 3-level DC to AC T-type neutral point clamped IGBT converter. It enables the LCA feature of eHS.
The Three-Level Bridge block implements a three-level power converter that consists of one or more arms of power switching devices. Each arm consists of four switching devices along with their antiparallel diodes as shown in the figure below.
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Parameters
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Internal on resistance (Ron) | The diode internal on resistance, in ohms (Ω). |
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Internal off Resistance (Roff) | The diode internal off resistance, in ohms (Ω). |
Gate control signal (g1) | The signal to control on/off state of the first switch. |
Gate control signal (g2) | The signal to control on/off state of the second switch. |
Gate control signal (g3) | The signal to control on/off state of the third switch. |
Gate control signal (g4) | The signal to control on/off state of the fourth switch. |
Prediction (Pred) | The prediction parameter of the switch. Values can range between 0.1 to 10. See How to tune two-level switches for detailed explanation. |
Relaxation (Relax) | The relaxation parameter of the switch. Values can range between 0.1 to 10. See How to tune two-level switches for detailed explanation. |
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Precision on how to tune those parameters can be found here: How to tune two- and three-level switches (Prediction and Relaxation).