3-PHASE NOISE FILTER FOR STATIONARY POWER CONVERTER

PURPOSE:To provide a small-sized inexpensive line noise filter by combining two reactors having 3 independent windings wound on a common core and a capacitor. CONSTITUTION:A 3-phase noise filter 2 is disposed between power lines X, Y, Z and a stationary power converter 1 to be of 3-phase T-type form...

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Bibliographische Detailangaben
1. Verfasser:	TORIYAMA FUMIO
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a small-sized inexpensive line noise filter by combining two reactors having 3 independent windings wound on a common core and a capacitor. CONSTITUTION:A 3-phase noise filter 2 is disposed between power lines X, Y, Z and a stationary power converter 1 to be of 3-phase T-type formed of 3-phase common mode reactors L10A, L10B and a capacitor C1 disposed between its connecting point of the reactors L10A, L10B and an earth. Phase windings WX, WY, WZ of the same number of windings are wound in the same direction on an annular core FC in the reactors L10A, L10B, and inserted in series with X-phase, Y-phase and Z-phase lines of the 3-phase power source. Since magnetic fluxes of the phases cancel each other to approach to zero in the reactors L10A, L10B. Therefore, the shape can be very reduced.