Power supply system

The invention relates to power supply systems. There is provided an apparatus and a method for supplying electric power to an electric device (104). In the method an indication of a desired power level to be supplied to the electric device (104) is obtained. Electric power is received as DC power by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Nurmi, Jari Kalervo, Kaikuranta, Terho Otso Tapio
Format:	Patent
Sprache:	eng
Schlagworte:	AIRCRAFT 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 AVIATION CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to power supply systems. There is provided an apparatus and a method for supplying electric power to an electric device (104). In the method an indication of a desired power level to be supplied to the electric device (104) is obtained. Electric power is received as DC power by a constant current regulator unit (102), which inverts the DC power to AC power and supplies the AC power to a reactance (T1) to be transformed to an output power. The output power is supplied from the reactance (T1) to the electric device (104). The method further comprises adjusting the AC power supplied to the reactance (T1) by using at least two of the following: - voltage level of the AC power; - the frequency of the AC power; - a waveform of the AC power.