WO1994019860B1 - Alimentation electrique a conversion de courant c.a./c.c. et a faibles harmoniques de ligne - Google Patents

Alimentation electrique a conversion de courant c.a./c.c. et a faibles harmoniques de ligne

Info

Publication number
WO1994019860B1
WO1994019860B1 PCT/US1994/001796 US9401796W WO9419860B1 WO 1994019860 B1 WO1994019860 B1 WO 1994019860B1 US 9401796 W US9401796 W US 9401796W WO 9419860 B1 WO9419860 B1 WO 9419860B1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
rms
signal
pwm
value
Prior art date
Application number
PCT/US1994/001796
Other languages
English (en)
Other versions
WO1994019860A1 (fr
Filing date
Publication date
Priority claimed from PCT/US1993/007974 external-priority patent/WO1994005040A1/fr
Application filed filed Critical
Priority to EP94909716A priority Critical patent/EP0647370A4/fr
Priority to JP6519186A priority patent/JPH08503839A/ja
Priority to AU62450/94A priority patent/AU6245094A/en
Priority to US08/325,231 priority patent/US5638265A/en
Publication of WO1994019860A1 publication Critical patent/WO1994019860A1/fr
Publication of WO1994019860B1 publication Critical patent/WO1994019860B1/fr

Links

Abstract

Cet agencement de commande de modulateur d'impulsions en largeur (PWM) est illustré en association avec un circuit de commande (30) de distribution électrique, dans lequel le convertisseur (32) de rapport cyclique est commandé de façon appropriée par un certain nombre de boucles de réaction présentant différents paramètres, par exemple un signal d'erreur de tension et une valeur moyenne (telle que la moyenne quadratique (RMS)) de la tension d'entrée (Ventrée). Le circuit (30) comprend un circuit redresseur (42), un circuit convertisseur (32), tel qu'un convertisseur C.A./C.C., un condensateur (C), un oscillateur et un circuit PWM (44), un signal d'erreur (46), un circuit multiplicateur (48), un amplificateur de différenciation (50) et un circuit synthétiseur (52). Le circuit (30) apparaît comme une charge ohmique sur la ligne pour un PWM fixe, une charge fixe, et une tension d'entrée RMS fixe. Afin de stabiliser la tension de sortie (Vsortie), le signal de largeur d'impulsion appliqué au convertisseur varie de façon appropriée proportionnellement aux deux modifications de la valeur RMS de la tension d'entrée et de la tension de sortie. Le signal d'erreur de tension de sortie appliqué au circuit multiplicateur par le circuit d'erreur fournit la valeur de correction pour des variations de la tension (Vsortie). Le signal RMS de ligne, appliqué au multiplicateur par le circuit (52) de filtrage RMS de ligne, équilibre le signal de PWM pour les variations de la valeur RMS de la tension (Ventrée). Le signal de commande de modulateur de boucle RMS peut en conséquence être avantageusement normalisé par une tension (Vrms) (carrée) dans la mesure où la puissance d'entrée (Pentrée) varie avec la tension d'entrée (Ventrée) (carrée). Des réductions du signal d'erreur de sortie ou du signal RMS entraînent une augmentation de la valeur de PWM.
PCT/US1994/001796 1993-02-23 1994-02-23 Alimentation electrique a conversion de courant c.a./c.c. et a faibles harmoniques de ligne WO1994019860A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP94909716A EP0647370A4 (fr) 1993-02-23 1994-02-23 Alimentation electrique a conversion de courant c.a./c.c. et a faibles harmoniques de ligne.
JP6519186A JPH08503839A (ja) 1993-02-23 1994-02-23 ローライン（ｌｏｗｌｉｎｅ）高調波ａｃ／ｄｃ電源
AU62450/94A AU6245094A (en) 1993-02-23 1994-02-23 Low line harmonic AC to DC power supply
US08/325,231 US5638265A (en) 1993-08-24 1994-02-23 Low line harmonic AC to DC power supply

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US2178093A 1993-02-23 1993-02-23
US08/021,780 1993-02-23
PCT/US1993/007974 WO1994005040A1 (fr) 1992-08-24 1993-08-24 Modularisation de semi-conducteurs de puissance
USPCT/US93/07974 1993-08-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US08/325,231 Continuation US5638265A (en) 1993-08-24 1994-02-23 Low line harmonic AC to DC power supply

Publications (2)

Publication Number Publication Date
WO1994019860A1 WO1994019860A1 (fr) 1994-09-01
WO1994019860B1 true WO1994019860B1 (fr) 1994-10-13

Family

ID=21806110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/001796 WO1994019860A1 (fr) 1993-02-23 1994-02-23 Alimentation electrique a conversion de courant c.a./c.c. et a faibles harmoniques de ligne

Country Status (5)

Country Link
US (1) US5969962A (fr)
EP (1) EP0647370A4 (fr)
JP (1) JPH08503839A (fr)
AU (1) AU6245094A (fr)
WO (1) WO1994019860A1 (fr)

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