H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
H02P9/20—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance
Convertisseur statique a soupapes electriques comprenant un montage dodecaphase a deux ponts de graetz pour la suppression des harmoniques 5 et 7 du courant reseau
Source d'alimentation en courant regule a haute frequence pour televiseur ayant un transformateur ferroresonnant basse tension couple a un transformateur-elevateur haute tension