发明公开
EP2962377A2 MULTI-TERMINAL DC POWER SYSTEMS EMPLOYING AUTONOMOUS LOCAL CONTROL METHODS
有权
MEHRPOLIGE GLEICHSTROMSYSTEME MIT AUTONOMEN LOKALEN STEUERUNGSVERFAHREN
- 专利标题: MULTI-TERMINAL DC POWER SYSTEMS EMPLOYING AUTONOMOUS LOCAL CONTROL METHODS
- 专利标题(中): MEHRPOLIGE GLEICHSTROMSYSTEME MIT AUTONOMEN LOKALEN STEUERUNGSVERFAHREN
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申请号: EP14710449.1申请日: 2014-02-25
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公开(公告)号: EP2962377A2公开(公告)日: 2016-01-06
- 发明人: SUN, Jian
- 申请人: Rensselaer Polytechnic Institute
- 申请人地址: 110 8th Street Troy, NY 12180 US
- 专利权人: Rensselaer Polytechnic Institute
- 当前专利权人: Rensselaer Polytechnic Institute
- 当前专利权人地址: 110 8th Street Troy, NY 12180 US
- 代理机构: Lippert, Stachow & Partner
- 优先权: US201361769792P 20130227
- 国际公布: WO2014134017 20140904
- 主分类号: H02J3/38
- IPC分类号: H02J3/38 ; H02J3/36 ; H02J1/00
摘要:
A multi-terminal DC power system includes: a DC network connecting together multiple terminals. Each terminal is represented by one of: a voltage source converter having a capacitor at an interface to the DC network, wherein a difference between a converter-side current and a network-side current charges the capacitor, and a current source converter having an inductor at an interface to the DC network, wherein a difference between a converter-side voltage and a network-side voltage drives current through the inductor. A local controller for each terminal directly controls the converter-side current of each voltage source controller and the converter-side voltage of each current source converter, independent of the terminals, leaving network-side currents and voltages to be determined by the network, resulting in simplified terminal control and avoidance of the need for high-speed communication among all terminals at all times.
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