2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC) 2013
DOI: 10.1109/apec.2013.6520607
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Power direction control of medium frequency isolation DC/DC converter for modular double cascade converter

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Cited by 4 publications
(6 citation statements)
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“…Even though the positive and negative rails were placed as close to each other as possible, the additional impedance of the busbar connections would impair the functionality of the virtual DC‐link in terms of the six‐pulse operation of DC‐link voltages. In [26], simulation results are shown where the impedances of the busbars are taken into account and the results are similar to the measurements.…”
Section: Experimental Device and Resultsmentioning
confidence: 79%
See 1 more Smart Citation
“…Even though the positive and negative rails were placed as close to each other as possible, the additional impedance of the busbar connections would impair the functionality of the virtual DC‐link in terms of the six‐pulse operation of DC‐link voltages. In [26], simulation results are shown where the impedances of the busbars are taken into account and the results are similar to the measurements.…”
Section: Experimental Device and Resultsmentioning
confidence: 79%
“…The six winding voltages of the transformer are synchronous square waves with a 50% pulse width in the normal operating mode. Different control schemes with synchronous square waves are investigated in [26]. Another control approach, which imposes a phase shift to the winding voltages to control the power flow through the transformer, is presented in [27] for a transformer with two windings.…”
Section: Modular Double‐cascade Convertermentioning
confidence: 99%
“…In normal MDC operation the six winding voltages are synchronous rectangular waves whose amplitudes are determined by the highest DC link voltage. Submodules whose DC link voltages are lower than the winding voltages will receive energy through the transformer [4], [6], [7].…”
Section: System Descriptionmentioning
confidence: 99%
“…8. The nominal values of the system were selected in accordance with the parameters of the prototype system [6]. The parameters are listed in Table I.…”
Section: Simulationsmentioning
confidence: 99%
“…In the publications on the MDC, the grid is interfaced with diode bridges (Sankala et al, 2012(Sankala et al, , 2013(Sankala et al, , 2014a(Sankala et al, , 2015Korhonen et al, 2013a). In these publications, the focus is mainly on the medium-frequency transformer link, and the diode bridges are selected because higher DC link voltage fluctuations occur and reveal characteristics that would not be visible when an active front end is used.…”
Section: Grid Interfacementioning
confidence: 99%