St. Petersburg Electrotechnical University<br />27.01.2011<br />Elvira I. Baygildina<br />1<br />Project: ”Matrix frequenc...
27.01.2011<br />Elvira I. Baygildina<br />2<br />Three-phase two-tier frequency converter   <br /><ul><li> Bidirectional c...
 Programmed high-frequency pulse-width modulation;
 Capacitances for reactive currents compensating.</li></li></ul><li>27.01.2011<br />Elvira I. Baygildina<br />3<br />Matri...
 IGBT-modules are connected as a matrix;
 Compensating capacitances for current </li></ul>continues flowing.<br />
27.01.2011<br />4<br />Elvira I. Baygildina<br />Matrix frequency converterwith output voltage PWM<br />
27.01.2011<br />5<br />Elvira I. Baygildina<br />Direct frequency converter’s one stage <br />
27.01.2011<br />6<br />Elvira I. Baygildina<br />   Transistor switching’s algorithm<br />On-state period      120о + γ<br...
27.01.2011<br />Elvira I. Baygildina<br />7<br />Commutating angle γ<br />Xγ is the inductive reactance of the transformer...
27.01.2011<br />8<br />Elvira I. Baygildina<br />   Transistor switching’s algorithm<br />
Output signaldiagrams<br />27.01.2011<br />9<br />Elvira I. Baygildina<br />
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Elvira I. Baygildina, "Matrix frequency converter based on full-controlled IGBT-modules with output voltage PWM"

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Elvira I. Baygildina, "Matrix frequency converter based on full-controlled IGBT-modules with output voltage PWM"

  1. 1. St. Petersburg Electrotechnical University<br />27.01.2011<br />Elvira I. Baygildina<br />1<br />Project: ”Matrix frequency converter based on full-controlled IGBT-modules with output voltage PWM“<br />
  2. 2. 27.01.2011<br />Elvira I. Baygildina<br />2<br />Three-phase two-tier frequency converter <br /><ul><li> Bidirectional connected power switches;
  3. 3. Programmed high-frequency pulse-width modulation;
  4. 4. Capacitances for reactive currents compensating.</li></li></ul><li>27.01.2011<br />Elvira I. Baygildina<br />3<br />Matrix frequency converter<br /><ul><li> Cascade principle of voltage summation;
  5. 5. IGBT-modules are connected as a matrix;
  6. 6. Compensating capacitances for current </li></ul>continues flowing.<br />
  7. 7. 27.01.2011<br />4<br />Elvira I. Baygildina<br />Matrix frequency converterwith output voltage PWM<br />
  8. 8. 27.01.2011<br />5<br />Elvira I. Baygildina<br />Direct frequency converter’s one stage <br />
  9. 9. 27.01.2011<br />6<br />Elvira I. Baygildina<br /> Transistor switching’s algorithm<br />On-state period 120о + γ<br />Control angle α = 0 <br />Resolution function Ji , i = 1…6<br />
  10. 10. 27.01.2011<br />Elvira I. Baygildina<br />7<br />Commutating angle γ<br />Xγ is the inductive reactance of the transformer phase;<br />Id is the load current instantaneous value;<br />E2tr is the phase electromotive force (root mean square value) of the transformer secondary winding.<br />
  11. 11. 27.01.2011<br />8<br />Elvira I. Baygildina<br /> Transistor switching’s algorithm<br />
  12. 12. Output signaldiagrams<br />27.01.2011<br />9<br />Elvira I. Baygildina<br />
  13. 13. 27.01.2011<br />10<br />Elvira I. Baygildina<br />2-stage frequency converterdiagram in Matlab Simulink<br />
  14. 14. 27.01.2011<br />11<br />Elvira I. Baygildina<br />Output voltage time diagramfrom 2-stage FC<br />
  15. 15. Thanks for your attention!<br />elvira-bai@mail.ru<br />

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