JOSEPHSON UNIPOLAR PULSE POWER SUPPLY CIRCUIT

PURPOSE:To supply a unipolar pulse current to a load with a large level by applying an AC current from an AC power supply to a Josephson junction circuit of a Josephson circuit as an AC current having an amplitude multiplied by a winding ratio of a superconduction thin film transformer. CONSTITUTION...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO MASASHI, NAKANISHI TAKUJI, FUJITA SHIYUUICHI, OOHATA MASANOBU, MIYAHARA KAZUNORI
Format:	Patent
Sprache:	eng
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 BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	PURPOSE:To supply a unipolar pulse current to a load with a large level by applying an AC current from an AC power supply to a Josephson junction circuit of a Josephson circuit as an AC current having an amplitude multiplied by a winding ratio of a superconduction thin film transformer. CONSTITUTION:In case of the Josephson unipolar pulse power supply circuit, since the AC current 7 is coupled to the Josephson junction circuit 2 of the Josephson circuit 4 via the superconduction thin film transformer 21 and a coupling capacitor 23, the winding ratio of the secondary winding 22b to the primary winding 22a of the superconduction thin film transformer 21 is decreased and the capacitance C of the coupling capacitor 23 is selected to a value sufficiently smaller than the impedance viewing the Josephson circuit 2 of the Josephson circuit 4 from the secondary winding of the superconduction thin film transformer 21, then the AC current Ia from the AC power supply 7 is formed into the AC current Ia' having an amplitude being a multiple of the winding ratio of the superconduction thin film transformer 21 and the current is supplied to the Josephson junction circuit 2.