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    • 1. 发明公开
    • Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method
    • 从三相电压型和稳定化控制方法的单相电压型AC / DC转换器的DC / AC转换器
    • EP2424102A2
    • 2012-02-29
    • EP11179426.9
    • 2011-08-30
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiGenjima, YasuhiroWatanabe, Kiyomi
    • H02M7/5387
    • H02M7/219H02J3/14H02J3/16H02M2007/53876Y02B70/3225Y02E40/34Y04S20/222
    • An object is to provide a single-phase Voltage type AC/DC converting device and a three-phase voltage type AC/DC converting device arranged between a load and a distribution network and is capable of contributing to stabilize a system frequency and a system voltage, and a stabilization controlling method of the system frequency and the system voltage.
      By applying an autonomous parallel operation control technique of an AC/DC converter to a load, which receives power from a distribution network, drooping characteristics (governor-free characteristics) for a frequency of active power and Voltage-maintaining characteristics (V-Q characteristics) may be obtained. The governor-free characteristics are the characteristics to automatically decrease received power when the system frequency decreases and automatically increase the received power when this increases, so that even the load may contribute to stabilize the system frequency. Further, the V-Q characteristics generates/absorbs reactive power so as to maintain a Voltage at receiving end constant regardless of load power, so that this may also contribute to stabilize the system voltage.
    • 一个目的是提供一种负载和分配网络之间设置的单相电压型AC / DC变换装置和三相电压型交流/直流转换装置,并且能够有助于稳定的系统频率和系统电压的 和系统频率的稳定化控制方法与系统电压。 通过施加到AC / DC转换器的自主平行操作控制技术到负载,其中从分配网络接收电力,下垂为有功功率和电压保持特性(VQ特性)的频率特性(自由调节特性)可以 得到的是。 该自由调节特性的特色是可自动降低接收功率当系统频率降低而自动增加的接收功率。当这增加了,所以没连负载可能有助于稳定系统频率。 此外,V-Q特性基因率/吸收无功功率,以便在接收端恒定不管负载功率以保持电压,因此可以thatthis因此有助于稳定系统电压。
    • 3. 发明公开
    • Synchronization detecting circuit and automatic synchronous parallelization apparatus
    • 为自动同步并联同步检测电路和装置
    • EP2348628A3
    • 2012-05-30
    • EP11152107.6
    • 2011-01-25
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiZhao, Jinbin
    • H02M7/493H02M7/5387
    • H02J3/42
    • Disclosed is an automatic synchronous parallelization apparatus capable of suppressing an inrush current by automatically adjusting the magnitude, the frequency, and the phase of the voltage when a single-phase voltage-type DC-to-AC converting device performing an autonomous parallel operation is connected in parallel with an external single-phase AC voltage source. The automatic synchronous parallelization apparatus 17 according to the present invention includes a synchronization detecting circuit 130, a voltage amplitude command value generating circuit 180, and a frequency command value generating circuit 190. The voltage amplitude command value generating circuit 180 generates the 1st-axis voltage command value, and the frequency command value generating circuit 190 generates the 2nd-axis voltage command value, based on a value relating to a frequency difference between an external single-phase AC voltage source 12 and a single-phase voltage-type DC-to-AC converting device 11 and an effective value of a voltage of the external single-phase AC voltage source 12 that are detected by synchronization detecting circuit 130. By using such command values, an output of the single-phase voltage-type DC-to-AC converting device 11 can be adjusted to as to coincide with a voltage waveform of the external single-phase AC voltage source 12.
    • 4. 发明公开
    • Controlled single-phase AC/DC converter
    • EINPHASIGER GESTEUERTER GLEICHRICHTER
    • EP2472709A2
    • 2012-07-04
    • EP11195833.6
    • 2011-12-27
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiZhao, Jinbin
    • H02M7/162
    • H02M7/217H02J3/40H02J3/46H02M7/1626H02M7/219Y10T307/25
    • A single-phase voltage source AC/DC converter according to the present invention generates a second axis voltage command from difference between a DC voltage detection value at a DC terminal and a DC voltage command value and controls a DC voltage by increasing and decreasing active power with the second axis voltage command. For example, the voltage at the DC terminal is increased by decreasing active power when the DC voltage detection value at the DC terminal is lower than the DC voltage command, while the DC voltage detection value at the DC terminal is decreased by increasing the active power when the DC voltage detection value at the DC terminal is higher than the DC voltage command.
    • 根据本发明的单相电压源AC / DC转换器(40)根据直流端(22)的直流电压检测值(31,VD)与直流电压指令值(31)之间的差产生第二轴电压指令 VD *,并通过第二轴电压指令(120-2)增加和减小有功功率来控制直流电压。 例如,当直流端子的直流电压检测值VD低于直流电压指令VD *时,通过降低有功功率来增加直流端子(22)处的电压,而直流端子处的直流电压检测值VD 当DC端子的DC电压检测值VD高于DC电压指令VD *时,通过增加有功功率来减小。
    • 5. 发明公开
    • Synchronization detecting circuit and automatic synchronous parallelization apparatus
    • Synchronisierungserkennungsschaltung und Vorrichtung zur automatischen synchronizationen Parallelisierung
    • EP2348628A2
    • 2011-07-27
    • EP11152107.6
    • 2011-01-25
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiZhao, Jinbin
    • H02M7/493
    • H02J3/42
    • Disclosed is an automatic synchronous parallelization apparatus capable of suppressing an inrush current by automatically adjusting the magnitude, the frequency, and the phase of the voltage when a single-phase voltage-type DC-to-AC converting device performing an autonomous parallel operation is connected in parallel with an external single-phase AC voltage source. The automatic synchronous parallelization apparatus 17 according to the present invention includes a synchronization detecting circuit 130, a voltage amplitude command value generating circuit 180, and a frequency command value generating circuit 190. The voltage amplitude command value generating circuit 180 generates the 1st-axis voltage command value, and the frequency command value generating circuit 190 generates the 2nd-axis voltage command value, based on a value relating to a frequency difference between an external single-phase AC voltage source 12 and a single-phase voltage-type DC-to-AC converting device 11 and an effective value of a voltage of the external single-phase AC voltage source 12 that are detected by synchronization detecting circuit 130. By using such command values, an output of the single-phase voltage-type DC-to-AC converting device 11 can be adjusted to as to coincide with a voltage waveform of the external single-phase AC voltage source 12.
    • 本发明公开了一种自动同步并联装置,其能够通过在进行自主并联运行的单相电压型DC-AC变换装置连接时自动调整电压的幅度,频率和相位来抑制浪涌电流 与外部单相交流电压源并联。 根据本发明的自动同步并行化装置17包括同步检测电路130,电压振幅指令值产生电路180和频率指令值产生电路190.电压振幅指令值产生电路180产生第一轴电压 指令值,并且频率指令值产生电路190基于与外部单相交流电压源12和单相电压型DC-之间的频率差相关的值产生第二轴电压指令值 -AC转换装置11和由同步检测电路130检测的外部单相AC电压源12的电压的有效值。通过使用这样的指令值,将单相电压型DC- -AC转换装置11可以被调节为与外部单相AC电压源12的电压波形一致。
    • 6. 发明公开
    • Controlled single-phase AC/DC converter
    • Einphasiger gesteuerter Gleichrichter
    • EP2472709A3
    • 2015-06-17
    • EP11195833.6
    • 2011-12-27
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiZhao, Jinbin
    • H02M7/162H02M7/72H02J3/46H02J3/40
    • H02M7/217H02J3/40H02J3/46H02M7/1626H02M7/219Y10T307/25
    • A single-phase voltage source AC/DC converter (40) according to the present invention generates a second axis voltage command from difference between a DC voltage detection value (31,V D ) at a DC terminal (22) and a DC voltage command value V D * and controls a DC voltage by increasing and decreasing active power with the second axis voltage command (120-2). For example, the voltage at the DC terminal (22) is increased by decreasing active power when the DC voltage detection value V D at the DC terminal is lower than the DC voltage command V D * , while the DC voltage detection value V D at the DC terminal is decreased by increasing the active power when the DC voltage detection value V D at the DC terminal is higher than the DC voltage command V D * .
    • 根据本发明的单相电压源AC / DC转换器(40)根据直流端(22)的直流电压检测值(31,VD)与直流电压指令值(31)之间的差产生第二轴电压指令 VD *,并通过第二轴电压指令(120-2)增加和减小有功功率来控制直流电压。 例如,当直流端子的直流电压检测值VD低于直流电压指令VD *时,通过降低有功功率来增加直流端子(22)处的电压,而直流端子处的直流电压检测值VD 当DC端子的DC电压检测值VD高于DC电压指令VD *时,通过增加有功功率来减小。
    • 8. 发明公开
    • Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method
    • 单相电压型AC / DC转换器,三相电压型AC / DC转换器和稳定控制方法
    • EP2424102A3
    • 2012-05-30
    • EP11179426.9
    • 2011-08-30
    • Origin Electric Company, Ltd.
    • Ohshima, MasaakiUshiki, ShuichiGenjima, YasuhiroWatanabe, Kiyomi
    • H02M7/5387H02M7/493H02M7/219
    • H02M7/219H02J3/14H02J3/16H02M2007/53876Y02B70/3225Y02E40/34Y04S20/222
    • An object is to provide a single-phase Voltage type AC/DC converting device and a three-phase voltage type AC/DC converting device arranged between a load and a distribution network and is capable of contributing to stabilize a system frequency and a system voltage, and a stabilization controlling method of the system frequency and the system voltage.
      By applying an autonomous parallel operation control technique of an AC/DC converter to a load, which receives power from a distribution network, drooping characteristics (governor-free characteristics) for a frequency of active power and Voltage-maintaining characteristics (V-Q characteristics) may be obtained. The governor-free characteristics are the characteristics to automatically decrease received power when the system frequency decreases and automatically increase the received power when this increases, so that even the load may contribute to stabilize the system frequency. Further, the V-Q characteristics generates/absorbs reactive power so as to maintain a Voltage at receiving end constant regardless of load power, so that this may also contribute to stabilize the system voltage.
    • 本发明的目的是提供布置在负载和配电网络之间的单相电压型AC / DC转换装置和三相电压型AC / DC转换装置,并且能够有助于稳定系统频率和系统电压 以及系统频率和系统电压的稳定控制方法。 通过将AC / DC转换器的自主并联运行控制技术应用于从配电网接收电力的负载,有源电力频率和电压保持特性(VQ特性)的下垂特性(无调节器特性)可以 得到。 无调速器特性是在系统频率降低时自动降低接收功率并在接收功率增加时自动增加接收功率的特性,因此即使负载也可能有助于稳定系统频率。 此外,V-Q特性产生/吸收无功功率,从而无论负载功率如何都将接收端的电压保持恒定,从而这也有助于稳定系统电压。