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1. 发明授权

US06205039B1 Device for supervising a high voltage converter station 有权
标题翻译：高压变电站监控装置
公开(公告)号：US06205039B1
公开(公告)日：2001-03-20
申请号：US09445550
申请日：1999-12-09
申请人： Urban Åström , Hans Björklund , Krister Nyberg , Roland Siljeström , Gunnar Asplund
发明人： Urban Åström , Hans Björklund , Krister Nyberg , Roland Siljeström , Gunnar Asplund
IPC分类号： H02H712
CPC分类号： H02M1/088 , G01R31/40
摘要： A device in a valve on high voltage potential level and in a high voltage converter station comprises members arranged on high voltage level and adapted to detect parameters of a voltage divider circuit consisting of resistances (24, 25) and capacitors (27, 28) connected in series and across each thyristor of said valve. The capacitors are of self-healing type, in which from the point of time for occurring of a possible fault thereof the capacitance is gradually reduced, and said members are adapted to carry out measurements so as to determine whether the capacitance of the capacitors is changed over the time.
摘要翻译：高电压电位阀中的装置和高电压转换器站中的装置包括被布置在高电压电平上并适于检测由电阻（24,25）和电容器（27,28）连接的分压电路的参数的构件串联并跨越所述阀的每个晶闸管。电容器是自恢复型的，其中从发生可能故障的时间点开始电容逐渐减小，并且所述构件适于进行测量，以便确定电容器的电容是否改变一段时间

2. 发明授权

US06185116B2 HVDC power transmission system with cooling and switching device temperature detection 有权
标题翻译： HVDC电力传输系统具有冷却和开关装置温度检测
公开(公告)号：US06185116B2
公开(公告)日：2001-02-06
申请号：US09445551
申请日：1999-12-09
申请人： Urban Åström , Krister Nyberg , Roland Siljeström , Gunnar Asplund , Hans Björklund
发明人： Urban Åström , Krister Nyberg , Roland Siljeström , Gunnar Asplund , Hans Björklund
IPC分类号： H02J336
CPC分类号： H05K7/20927
摘要： A device for supervising the cooling of a cooling system of a valve of a high voltage converter station located on high voltage potential level comprises members (31) located on high voltage potential level and adapted to detect the temperature at cooling blocks (32) of the valve on high voltage potential level and send values so detected to first control units (3) for controlling semiconductor components (4) of the valve. The first control units have means (20) for treating said values detected and the first control units are adapted to send data resulting from said treatment to an arrangement (16) for supervising said valve located on low potential level.
摘要翻译：用于监控位于高电压电位电平的高电压转换器站的阀的冷却系统的冷却的装置包括位于高电压电位水平的构件（31），并且适于检测位于高电位电位的冷却块（32）处的温度并且将如此检测的值发送到用于控制阀的半导体部件（4）的第一控制单元（3）。第一控制单元具有用于处理检测到的所述值的装置（20），并且第一控制单元适于将从所述处理产生的数据发送到用于监控位于低电位水平上的所述阀的装置（16）。

3. 发明申请

US20110222323A1 POWER CONVERTER WITH DISTRIBUTED CELL CONTROL 有权
标题翻译：功率转换器与分布式电池控制
公开(公告)号：US20110222323A1
公开(公告)日：2011-09-15
申请号：US12811930
申请日：2008-12-23
申请人： Lars Dofnas , Lennart Harnefors , Anders J. Pettersson , Roland Siljeström , Gunnar Asplund
发明人： Lars Dofnas , Lennart Harnefors , Anders J. Pettersson , Roland Siljeström , Gunnar Asplund
IPC分类号： H02M7/72
CPC分类号： H02M7/483 , H02M7/5395 , H02M2007/4835
摘要： A device for converting a DC voltage into an AC voltage and vice versa comprises a control system to control the voltage conversion and at least one phase leg (1) with a first (Uvp1) voltage source connected in series between a first DC terminal (4) and a first AC terminal (6) and with a second (Uvn1) voltage source connected in series between the first AC terminal (6) and a second DC terminal (5). Each of the voltage sources comprises at least a first and a second submodule (15) in series-connection, where each submodule (15) comprises at least two power electronic switches (16) connected in parallel with at least one capacitor (17). The control system comprises a central control unit (19) and at least two subunits (20), where the central control unit (19) transmits to each subunit (20) a reference AC voltage (ua_ref) and a switching carrier signal (s_sw) and where each subunit (20) controls the switching of the power electronic switches (16) of one of the submodules (15) according to a PWM pattern so that each time the switching carrier signal (s_sw) crosses the reference AC voltage (ua_ref) either the voltage across the capacitor (17) or a zero voltage are applied to output terminals (26, 27) of the corresponding submodule (15).
摘要翻译：用于将DC电压转换为AC电压的装置反之亦然包括控制系统，用于控制电压转换和至少一个相位支路（1），其中第一（Uvp1）电压源串联连接在第一直流端子（4））和第一AC端子（6）以及串联连接在第一AC端子（6）和第二DC端子（5）之间的第二（Uvn1）电压源。每个电压源包括串联连接的至少第一和第二子模块（15），其中每个子模块（15）包括与至少一个电容器（17）并联连接的至少两个电力电子开关（16）。控制系统包括中央控制单元（19）和至少两个子单元（20），其中中央控制单元（19）向每个子单元（20）传输参考AC电压（ua_ref）和开关载波信号（s_sw）并且其中每个子单元（20）根据PWM模式控制子模块（15）之一的功率电子开关（16）的切换，使得每当切换载波信号（s_sw）与参考AC电压（ua_ref）交叉时，电容器（17）两端的电压或零电压都被施加到相应的子模块（15）的输出端子（26,27）。

4. 发明授权

US09667133B2 Black start of a multilevel voltage source converter 有权
公开(公告)号：US09667133B2
公开(公告)日：2017-05-30
申请号：US14367079
申请日：2011-12-19
申请人： Fabienne Chataignere , Lars Döfnäs , Rolf Ottersten , Patrik Sandquist , Roland Siljeström , Erika Siljeström
发明人： Fabienne Chataignere , Lars Döfnäs , Rolf Ottersten , Patrik Sandquist , Roland Siljeström
IPC分类号： H02J1/00 , H02J3/00 , H02M1/36 , H02J7/00 , H02M1/096 , H02M7/483 , H02M1/00
CPC分类号： H02M1/36 , H02J7/0052 , H02M1/096 , H02M2001/0006 , H02M2007/4835
摘要： A voltage source converter includes a black start control unit and cells, where each cell includes a first switch between a first end of a cell capacitor and a first cell terminal, a second switch between a second end of the cell capacitor and the first cell terminal, where a second cell terminal is provided via the first or the second end of the cell capacitor, a first power supply unit and a second power supply unit, where the black start control unit is configured to perform, after the initial application of a DC voltage to a cell terminal of a cell and the subsequent initial charging of the chargeable power supply unit of one of the switches, charging of an uncharged power supply unit of the other switch through repeatedly turning on and off the switch with initially charged power supply unit.

5. 发明授权

US07239535B2 Voltage source converter 有权
标题翻译：电压源转换器
公开(公告)号：US07239535B2
公开(公告)日：2007-07-03
申请号：US10929409
申请日：2004-08-31
申请人： Roland Siljeström , Lars Döfnäs , Ying Jiang-Häfner
发明人： Roland Siljeström , Lars Döfnäs , Ying Jiang-Häfner
IPC分类号： H02M1/12
CPC分类号： H02M1/12 , H02M7/5395
摘要： An apparatus for controlling a voltage source converter with at least two bridges of semiconducting self commutating elements connected in anti-parallel with a diode, including circuitry for producing a switching control pulse train to form a fundamental frequency, circuitry for effecting a switching order and circuitry for detecting a switching event.
摘要翻译：一种用于控制具有与二极管反并联连接的至少两个半导体自整流元件的电压源转换器的装置，包括用于产生开关控制脉冲串以形成基频的电路，用于实现开关顺序和电路用于检测切换事件。

6. 发明申请

US20130200859A1 CAPACITOR DISCHARGE IN A CELL BASED VOLTAGE SOURCE CONVERTER 有权
标题翻译：基于电池电压源转换器的电容器放电
公开(公告)号：US20130200859A1
公开(公告)日：2013-08-08
申请号：US13813081
申请日：2010-07-30
申请人： Ying Jiang-Häfner , Lars Döfnäs , Roland Siljeström , Erika Siljeström
发明人： Ying Jiang-Häfner , Lars Döfnäs , Roland Siljeström
IPC分类号： H02J7/00
CPC分类号： H02M7/49 , H02J3/36 , H02J7/00 , H02M7/483 , H02M2001/322 , H02M2007/4835 , Y02E60/60
摘要： A method and a device to discharge cell capacitors in a cell based voltage source converter. Each cell has switching elements in half bridge or full bridge configuration and a capacitor in parallel to the half or full bridge. Each cell has two terminals, whereof at least one is between two switching elements. The converter has AC and DC terminals, with the possibility to connect each of the terminals to ground, via a further switching element. A resistor is implemented into at least one of the ground connections. To discharge to capacitors, the switching elements in the respective cells are configured such, that the capacitor is in parallel connection to the terminals. The capacitors are thus discharged via the resistor to ground.
摘要翻译：一种用于在基于电池的电压源转换器中放电电池电容器的方法和装置。每个单元具有半桥或全桥配置的开关元件和与半桥或全桥并联的电容器。每个单元具有两个端子，其中至少一个在两个开关元件之间。转换器具有AC和DC端子，可以通过另一个开关元件将每个端子连接到地。电阻器被实现到至少一个接地连接中。为了放电到电容器，各个单元中的开关元件被配置为使得电容器与端子并联连接。因此，电容器经由电阻器被放电到地。

7. 发明申请

US20130009491A1 SWITCHING MODULE FOR USE IN A DEVICE TO LIMIT AND/OR BREAK THE CURRENT OF A POWER TRANSMISSION OR DISTRIBUTION LINE 有权
标题翻译：在设备中使用的切换模块限制和/或断开电力传输或分配线路的电流
公开(公告)号：US20130009491A1
公开(公告)日：2013-01-10
申请号：US13576667
申请日：2010-02-03
申请人： Jürgen Häfner , Peter Lundberg , Roland Siljeström , Erika Siljeström , Ulrich Schlapbach , Bo Biljenga
发明人： Jürgen Häfner , Peter Lundberg , Roland Siljeström , Erika Siljeström , Ulrich Schlapbach , Bo Biljenga
IPC分类号： H01H47/00
CPC分类号： H02M1/092 , H03K17/08148 , H03K17/107 , H03K17/127 , H03K17/689 , H03K17/785 , H03K2217/0081 , Y10T307/747
摘要： A switching module, intended to be used in a medium or high voltage DC breaker or a DC current limiter, includes at least one power semiconductor switching element, a gate unit arranged to turn the at least one power semiconductor switching element on and off, respectively, according to a switching control signal, and an energy storage capacitor arranged to provide power to a power supply input of the gate unit. The switching module further includes a power transformation device arranged to receive an optical power signal, to transform the optical power signal into an electrical power signal and to provide the electrical power signal to the energy storage capacitor.
摘要翻译：旨在用于中压或高压DC断路器或DC限流器的开关模块包括至少一个功率半导体开关元件，设置成分别使至少一个功率半导体开关元件接通和断开的栅极单元根据切换控制信号，以及储能电容器，被配置为向所述门单元的电源输入提供电力。交换模块还包括功率变换装置，其被配置为接收光功率信号，将光功率信号变换成电功率信号，并向能量存储电容器提供电功率信号。

8. 发明授权

US07206211B2 Converter and a method for controlling a converter 有权
标题翻译：转换器和控制转换器的方法
公开(公告)号：US07206211B2
公开(公告)日：2007-04-17
申请号：US10531103
申请日：2003-10-07
申请人： Ingemar Blidberg , Kjell Svensson , Roland Siljeström
发明人： Ingemar Blidberg , Kjell Svensson , Roland Siljeström
IPC分类号： H02M7/5387
CPC分类号： H02M7/487
摘要： In a method for control of a converter for conversion of dc voltage into ac voltage or dc voltage and vice versa, in which an output of the converter may alternatively be connected to a positive pole, a negative pole or a center of a dc voltage side of the converter in the form of different so-called main states, there is carried out, when changing between main states via a so-called minor commutation loop, an extra sequence in the form of a delayed turn-on of semiconductor elements in one unit of the converter relative to semiconductor elements in another unit in a pair of units of the converter.
摘要翻译：在用于将直流电压转换为交流电压或直流电压的转换器的控制方法，反之亦然，其中转换器的输出可以可选地连接到直流电压侧的正极，负极或中心以不同所谓的主状态的形式，当通过所谓的次级换向回路在主状态之间变化时，执行一种半导体元件延迟接通形式的额外的序列相对于转换器的一对单元中的另一单元中的半导体元件的转换器单元。

9. 发明授权

US08400796B2 Power converter with distributed cell control 有权
标题翻译：具有分布式电池控制的功率转换器
公开(公告)号：US08400796B2
公开(公告)日：2013-03-19
申请号：US12811930
申请日：2008-12-23
申请人： Lars Döfnäs , Lennart Harnefors , Anders J. Pettersson , Gunnar Asplund , Erika Siljestrom
发明人： Lars Döfnäs , Lennart Harnefors , Anders J. Pettersson , Roland Siljeström , Gunnar Asplund
IPC分类号： H02M7/00 , H02M1/14
CPC分类号： H02M7/483 , H02M7/5395 , H02M2007/4835
摘要： A device for converting a DC voltage into an AC voltage and vice versa comprises a control system to control the voltage conversion and at least one phase leg (1) with a first (Uvp1) voltage source connected in series between a first DC terminal (4) and a first AC terminal (6) and with a second (Uvn1) voltage source connected in series between the first AC terminal (6) and a second DC terminal (5). Each of the voltage sources comprises at least a first and a second submodule (15) in series-connection, where each submodule (15) comprises at least two power electronic switches (16) connected in parallel with at least one capacitor (17). The control system comprises a central control unit (19) and at least two subunits (20), where the central control unit (19) transmits to each subunit (20) a reference AC voltage (ua_ref) and a switching carrier signal (s_sw) and where each subunit (20) controls the switching of the power electronic switches (16) of one of the submodules (15) according to a PWM pattern so that each time the switching carrier signal (s_sw) crosses the reference AC voltage (ua_ref) either the voltage across the capacitor (17) or a zero voltage are applied to output terminals (26, 27) of the corresponding submodule (15).
摘要翻译：用于将DC电压转换为AC电压的装置反之亦然包括控制系统，用于控制电压转换和至少一个相位支路（1），其中第一（Uvp1）电压源串联连接在第一直流端子（4））和第一AC端子（6）以及串联连接在第一AC端子（6）和第二DC端子（5）之间的第二（Uvn1）电压源。每个电压源包括串联连接的至少第一和第二子模块（15），其中每个子模块（15）包括与至少一个电容器（17）并联连接的至少两个电力电子开关（16）。控制系统包括中央控制单元（19）和至少两个子单元（20），其中中央控制单元（19）向每个子单元（20）传输参考AC电压（ua_ref）和开关载波信号（s_sw）并且其中每个子单元（20）根据PWM模式控制子模块（15）之一的功率电子开关（16）的切换，使得每当切换载波信号（s_sw）与参考AC电压（ua_ref）交叉时，电容器（17）两端的电压或零电压都被施加到相应的子模块（15）的输出端子（26,27）。

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