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1. 发明申请

US20120092904A1 COORDINATED CONTROL OF MULTI-TERMINAL HVDC SYSTEMS 有权
标题翻译：多端HVDC系统的协调控制
公开(公告)号：US20120092904A1
公开(公告)日：2012-04-19
申请号：US13085949
申请日：2011-04-13
申请人： Reynaldo NUQUI , Jiuping PAN , Kailash SRIVASTAVA , Tomas JONSSON
发明人： Reynaldo NUQUI , Jiuping PAN , Kailash SRIVASTAVA , Tomas JONSSON
IPC分类号： H02J3/36
CPC分类号： H02J3/36 , G06F1/26 , H02H7/125 , H02J13/0062 , Y02E60/60 , Y02E60/7838 , Y04S40/124
摘要： Multi-terminal HVDC systems and control methods therefore are disclosed. Methods for controlling multi-terminal HVDC systems having a plurality of converter stations may include receiving a plurality of measurements from a plurality of measurement units disposed on the HVDC system, identifying from the measurements a disruption within the HVDC system, monitoring the measurements to identify a steady-state disrupted condition for the HVDC system, calculating a new set point for at least one of the plurality of converter stations, which new set point may be based on the steady-state disrupted condition and the measurements, and transmitting the new set point to the at least one of the plurality of converter stations. In some examples, the HVDC systems may include an HVDC grid interconnecting the plurality of converter stations and a controller communicatively linked to the plurality of measurement units and the plurality of converter stations.
摘要翻译：因此，公开了多端子HVDC系统和控制方法。用于控制具有多个转换器站的多端子HVDC系统的方法可以包括从设置在HVDC系统上的多个测量单元接收多个测量值，从测量中识别HVDC系统内的中断，监视测量结果以识别用于HVDC系统的稳态中断条件，为多个转换站中的至少一个转换站计算新的设定点，该新的设定点可以基于稳态中断条件和测量，并且传输新的设定点到所述多个转换站中的至少一个。在一些示例中，HVDC系统可以包括互连多个转换器站的HVDC网格和通信地链接到多个测量单元和多个转换器站的控制器。

2. 发明申请

US20130197704A1 DC CONNECTION SCHEME FOR WINDFARM WITH INTERNAL MVDC COLLECTION GRID 有权
标题翻译：具有内部MVDC收集网的WINDFARM直流连接方案
公开(公告)号：US20130197704A1
公开(公告)日：2013-08-01
申请号：US13363574
申请日：2012-02-01
申请人： Jiuping PAN , Li QI , Jun LI , Muhamad REZA , Kailash SRIVASTAVA
发明人： Jiuping PAN , Li QI , Jun LI , Muhamad REZA , Kailash SRIVASTAVA
IPC分类号： H02J1/12 , G06F1/26 , H02J3/36
CPC分类号： H02J3/386 , H02J3/36 , Y02E10/763 , Y02E60/60 , Y10T307/707
摘要： Connection schemes for offshore power generation with an internal collection grid include a power generation system which includes a plurality of generator-rectifier subsystems. The scheme further includes a medium voltage DC (MVDC) collection network with positive pole cables and negative pole cables connected to the DC outputs of the generator-rectifier subsystems. At least one offshore substation includes a positive bus bar and a negative bus bar correspondingly connected to the positive pole cables and negative pole cables of the MVDC collection network and a plurality of main DC-DC converters. Each main DC-DC converter includes multiple modules connected to the MVDC bus bars and each module has a positive and a negative output such that the modules' outputs are serially connected to one another. The schemes may also include a high voltage DC (HVDC) transmission system connected to the modules' outputs and at least one DC/AC converter at an onshore substation.
摘要翻译：具有内部收集网格的海上发电连接方案包括包括多个发电机 - 整流器子系统的发电系统。该方案还包括一个中压直流（MVDC）收集网络，其中正极电缆和负极电缆连接到发电整流器子系统的直流输出端。至少一个离岸变电站包括正母线和负母线，其对应地连接到MVDC收集网络的正极电缆和负极电缆以及多个主DC-DC转换器。每个主DC-DC转换器包括连接到MVDC母线的多个模块，并且每个模块具有正和负输出，使得模块的输出彼此串联。这些方案还可以包括连接到模块的输出的高压DC（HVDC）传输系统和在岸变电站的至少一个DC / AC转换器。

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