This circuit shows how to use the full iteration feature of SSN to simulate a 12-pulse with low inductance for the transformer, typical of onboard aircraft power systems.
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Figure 1: 18-pulse diode rectifier found in aerospace applications. 12 pulse has only two 6-pulse stages and zig-zag transformers.
Demonstration
This model is the same as the 12-pulse rectifier found in the 'SSN Iterative model' demos section.
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Other examples
Current source inverter
Open the current source inverter example in FIF mode.
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Figure 2 : current source inverter using IGBT.
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This model implements an HVDC solid-state transformer composed of an H-bridge IGBT inverter and H-bridge diode rectifier. Using the FiF mode, the model can be SSN-grouped in various ways without affecting accuracy.
Open the HVDC model if FiF mode
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Figure 3 : HVDC system with solid state transformer.
Reference
[1] L. Montealegre Lobo, C. Dufour, J. Mahseredjian, "Real-time Simulation of More-Electric Aircraft Power Systems", Proceedings of the 15th European Conference on Power Electronics and Applications (EPE’13 ECCE Europe), Lille, France, Sept. 3-5, 2013