FILTER APPARATUS FOR ELECTRIC RAILWAY

PROBLEM TO BE SOLVED: To provide a filter apparatus for an electric railway which is smaller and excellent in protection coordination. SOLUTION: A DC substation for an electric railway comprises a cutoff device 15 which cuts the earth current of a feeder line. The filter apparatus for an electric ra...

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Hauptverfasser:	KAKIMOTO KENZO, SHIMADA ICHIRO, YAZAWA HIROSHI, YOSHIHARA TOSHIHARU, TSUNAKAWA KUNIO, NISHIKAWA TOSHIAKI, MAEDA HIROSHI
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 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 ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a filter apparatus for an electric railway which is smaller and excellent in protection coordination. SOLUTION: A DC substation for an electric railway comprises a cutoff device 15 which cuts the earth current of a feeder line. The filter apparatus for an electric railway comprises a filter shunt path 3 used for filtering a DC voltage waveform formed at a 12-phase rectifier 8. A current-limiter reactor 2 is provided to suppress a rush current into the cutoff device 15. The filter shunt path 3 comprises only one shunt path where a resonance capacitor 4 is connected to a resonance reactor 5 in series. COPYRIGHT: (C)2004,JPO