公开(公告)号：US08582335B2

公开(公告)日：2013-11-12

申请号：US13461201

申请日：2012-05-01

Applicant: Ryuta Hasegawa ,  Hiroshi Mochikawa ,  Masami Hirata ,  Yukihiko Hatano

Inventor： Ryuta Hasegawa ,  Hiroshi Mochikawa ,  Masami Hirata ,  Yukihiko Hatano

IPC: H02M7/5387

CPC classification number: H02M7/48 ,  B60L3/003 ,  H02M2001/327

Abstract: An inverter apparatus according to one embodiment includes switching elements and freewheel diodes which are connected to a direct-current power supply, a temperature detector provided near at least one of the switching elements, and a temperature estimation unit. The temperature estimation unit estimates temperatures of switching elements not provided with the temperature detector, based on an estimated-temperature increase value calculated by a loss model of the switching elements and freewheel diode and others, and a temperature of the switching element detected by the temperature detector.

Abstract translation: 根据一个实施例的逆变器装置包括连接到直流电源的开关元件和续流二极管，设置在至少一个开关元件附近的温度检测器和温度估计单元。 温度估计单元基于由开关元件和续流二极管等的损耗模型计算出的估计温度升高值和由温度检测的开关元件的温度来估计未设置有温度检测器的开关元件的温度 探测器。

公开(公告)号：US5057963A

公开(公告)日：1991-10-15

申请号：US482787

申请日：1990-02-21

Applicant: Yukihiko Hatano

Inventor： Yukihiko Hatano

IPC: H02H7/097 ,  H02H11/00

CPC classification number: H02H11/004

Abstract: An opposite phase detecting device for alternating current electrical equipments includes a zero cross circuit synchronizing positive half waves of first and second line voltages of a three-phase AC supply supplied to an AC electrical equipment and generating first and second synchronizing pulses each having a pulse width corresponding to an electrical angle of approximately 180 degrees, a counter circuit counting the first synchronizing pulses from the zero cross circuit, a one-shot multivibrator triggered by the second synchronizing pulse to thereby generate a reset pulse having a relatively short time interval, and an AND circuit generating a reset signal based on a logical multiplication of the reset pulse generated by the pulse generating circuit and the first synchronizing pulse generated by the synchronous circuit. The counter circuit is reset when supplied with the reset signal from the AND circuit. The counter circuit generates an opposite phase detection signal when the count value thereof reaches a predetermined value.

Abstract translation: 用于交流电气设备的相反相位检测装置包括将提供给AC电气设备的三相AC电源的第一和第二线路电压的正半波同步的零交叉电路，并且产生第一和第二同步脉冲，每个具有脉冲宽度 对应于大约180度的电角度;对来自零交叉电路的第一同步脉冲进行计数的计数器电路，由第二同步脉冲触发的单稳态多谐振荡器，从而产生具有相对较短的时间间隔的复位脉冲;以及 AND电路基于由脉冲发生电路产生的复位脉冲与由同步电路产生的第一同步脉冲的逻辑乘法产生复位信号。 当由AND电路提供复位信号时，计数器电路复位。 当其计数值达到预定值时，计数器电路产生相反相位检测信号。

公开(公告)号：US20120217795A1

公开(公告)日：2012-08-30

申请号：US13461201

申请日：2012-05-01

Applicant: Ryuta HASEGAWA ,  Hiroshi Mochikawa ,  Masami Hirata ,  Yukihiko Hatano

Inventor： Ryuta HASEGAWA ,  Hiroshi Mochikawa ,  Masami Hirata ,  Yukihiko Hatano

IPC: B60L1/00 ,  H02M7/537

CPC classification number: H02M7/48 ,  B60L3/003 ,  H02M2001/327

Abstract: An inverter apparatus according to one embodiment includes switching elements and freewheel diodes which are connected to a direct-current power supply, a temperature detector provided near at least one of the switching elements, and a temperature estimation unit. The temperature estimation unit estimates temperatures of switching elements not provided with the temperature detector, based on an estimated-temperature increase value calculated by a loss model of the switching elements and freewheel diode and others, and a temperature of the switching element detected by the temperature detector.

Abstract translation: 根据一个实施例的逆变器装置包括连接到直流电源的开关元件和续流二极管，设置在至少一个开关元件附近的温度检测器和温度估计单元。 温度估计单元基于由开关元件和续流二极管等的损耗模型计算出的估计温度升高值和由温度检测的开关元件的温度来估计未设置有温度检测器的开关元件的温度 探测器。

公开(公告)号：US4489372A

公开(公告)日：1984-12-18

申请号：US469752

申请日：1983-02-25

Applicant: Yukihiko Hatano ,  Tadashi Takahashi

Inventor： Yukihiko Hatano ,  Tadashi Takahashi

IPC: H02M1/092 ,  H03K17/79 ,  H02H7/125

CPC classification number: H02M1/092 ,  H03K17/79

Abstract: An optical gate signal generating apparatus for firing a plurality of thyristors in a thyristor converter apparatus, including a circuit for generating an electrical gate signal, a plurality of first light emitting elements, each being connected to receive the electrical gate signal for generating a first optical signal. The apparatus also includes a plurality of auxiliary circuit, each including a series connection of a second light emitting element and a nonlinear element and being connected to receive the electrical gate signal for generating a second optical signal, each of the auxiliary circuits being connected in parallel with each of the first light emitting elements, and a plurality of light guides, each having a first, a second and a third branches, each of the light guides being connected to receive the first and second optical signals at ends of the first and second branches, respectively and for guiding the first and second optical signals to an end of the third branch to produce the optical gate signal. The thyristor converter apparatus including the optical gate signal generating apparatus is also disclosed.

Abstract translation: 一种用于在晶闸管转换器装置中点燃多个晶闸管的光栅信号发生装置，包括用于产生电门信号的电路，多个第一发光元件，每个第一发光元件被连接以接收电门信号，以产生第一光 信号。 该装置还包括多个辅助电路，每个辅助电路包括第二发光元件和非线性元件的串联连接，并被连接以接收用于产生第二光信号的电门信号，每个辅助电路并联连接 每个具有第一，第二和第三分支的每个第一发光元件和多个光导，每个光导被连接以在第一和第二发光元件的端部处接收第一和第二光信号 分支，用于将第一和第二光信号引导到第三分支的一端以产生光栅信号。 还公开了包括光栅信号生成装置的晶闸管转换装置。