UNBALANCE OUTPUT VOLTAGE CONTROLLER FOR THREE PHASE SPACE VECTOR PULSE WIDTH MODULATED INVERTE

PURPOSE: An unbalanced output voltage controller for a three-phase space vector pulse width modulated inverter is provided to reduce switching loss using a space vector PWM control method. CONSTITUTION: An unbalanced output voltage controller for a three-phase space vector pulse width modulated inve...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, SUNG JO, KIM, MIN CHOONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CONTROLLING PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PURPOSE: An unbalanced output voltage controller for a three-phase space vector pulse width modulated inverter is provided to reduce switching loss using a space vector PWM control method. CONSTITUTION: An unbalanced output voltage controller for a three-phase space vector pulse width modulated inverter comprises three-phase error detectors(101a,101b,101c), three PI controllers(111a,111b,111c), and a three-phase/two-phase converter(120). The three-phase error detectors compute differences of three-phase output voltage(Va,Vb,Vc) of a three-phase inverter(140) and three-phase output voltage command values(Va,Vb,Vc). The PI controllers control PI. The three-phase/two-phase converter converts three-phase voltage outputted from the PI controllers into two-phase voltage and inputs the two-phase voltage to two-phase voltage command values(Vmd,Vmq*) of a pulse width modulator(130).