ANORDNING FOER AOSTADKOMMANDE AV VAEXELSPAENNING

PCT No. PCT/FI87/00156 Sec. 371 Date Jun. 23, 1989 Sec. 102(e) Date Jun. 23, 1989 PCT Filed Nov. 18, 1987 PCT Pub. No. WO88/04113 PCT Pub. Date Jun. 2, 1988.A procedure and an apparatus for producing an a.c. voltage, in which procedure the a.c. voltage (uo) is produced via inversion from a d.c. volt...

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Hauptverfasser:	LAHTINEN,MATTI, PYOERRE,ISMO
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Zusammenfassung:	PCT No. PCT/FI87/00156 Sec. 371 Date Jun. 23, 1989 Sec. 102(e) Date Jun. 23, 1989 PCT Filed Nov. 18, 1987 PCT Pub. No. WO88/04113 PCT Pub. Date Jun. 2, 1988.A procedure and an apparatus for producing an a.c. voltage, in which procedure the a.c. voltage (uo) is produced via inversion from a d.c. voltage (UA). The d.c. voltage (UA) is produced by a generator (4). Moreover, the d.c. voltage (UA) is measured and stabilized. The frequency of the a.c. voltage is determined by means of an oscillator (9).