Invention Grant
- Patent Title: Device for connecting a single-phase supply line to a three-phase power supply system
- Patent Title (中): 将单相电源线连接到三相电源系统的装置
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Application No.: US12920898Application Date: 2009-02-13
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Publication No.: US08462522B2Publication Date: 2013-06-11
- Inventor: Rainer Gruber , Ulrich Halfmann , Wolfgang Recker
- Applicant: Rainer Gruber , Ulrich Halfmann , Wolfgang Recker
- Applicant Address: DE Munich
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agent Laurence A. Greenberg; Werner H. Stemer; Ralph E. Locher
- Priority: DE102008012325 20080303
- International Application: PCT/EP2009/051708 WO 20090213
- International Announcement: WO2009/109453 WO 20090911
- Main IPC: H02M5/45
- IPC: H02M5/45 ; B60L1/00
Abstract:
A device for connecting at least one single-phase power supply line which, in particular, feeds the overhead line of a railroad track, to a three-phase power supply network. A primary side of a transformer is connected to the power supply network and a secondary side is connected to the single-phase power supply line and to a ground connection. A symmetry device is connected to a phase of the transformer, to the ground connection, and to the single-phase power supply line.
Public/Granted literature
- US20110005879A1 DEVICE FOR CONNECTING A SINGLE-PHASE SUPPLY LINE TO A THREE-PHASE POWER SUPPLY SYSTEM Public/Granted day:2011-01-13
Information query
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