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    • 1. 发明专利
    • Power converter
    • 电源转换器
    • JPS6173576A
    • 1986-04-15
    • JP19419184
    • 1984-09-17
    • Nippon Telegr & Teleph Corp Origin Electric Co Ltd
    • SENOO KAZUHIROKUWATA YUTAKASHIBUYA RYOJIKII YASUO
    • H02M3/338H02M3/335
    • H02M3/335
    • PURPOSE:To prevent a high voltage from inducing at an output winding side by turning ON a shortcircuiting semiconductor switch during the OFF period of a drive switch, and preventing the output winding side from opening when a current is flowed to the current feedback winding of a current transformer. CONSTITUTION:A main circuit current flowed through a main switching semicon ductor element 1 is flowed as a reverse bias current through a current trans former 4 to the element 1 when the element 1 is turned OFF. The secondary side of the transformer 4 is shortcircuited by a shortcircuiting semiconductor switch 16 until the element 1 is turned OFF.
    • 目的:为了防止在驱动开关的断开期间接通短路半导体开关而在输出绕组侧产生高电压,并且当电流流向电流反馈绕组的电流反馈绕组时,防止输出绕组侧断开 电流互感器。 构成:当元件1断开时,流过主开关半导体元件1的主电路电流作为反向偏置电流通过电流变换器4流到元件1。 变压器4的次级侧由短路半导体开关16短路,直到元件1断开。
    • 2. 发明专利
    • Controlling method for rectifier
    • 整流器的控制方法
    • JPS5963975A
    • 1984-04-11
    • JP17364582
    • 1982-10-01
    • Origin Electric Co Ltd
    • SAITOU RIYOUJISUZUKI YOSHIOSENOO KAZUHIRO
    • H02M7/08H02M3/28H02M7/06H02M7/12H02M7/21H02M7/23
    • H02M3/28
    • PURPOSE:To reduce the harmonic component of a polyphase AC input current and to obtain a constant DC output having small ripple by controlling the conducting time of switching elements by a specific method so that the polyphase AC input current flows in the sinusoidal waveform. CONSTITUTION:A 3-phase AC input is applied through inductors Lu-Lw, capacitors Cu-Cw and rectifiers Rec1-Rec3 to converters G1-G3, and the outputs are applied through smoothing circuits to a load F. Switching transistors Q1, Q'1 in the converters G1-G3 are respectively switched in high conversion frequency by the frequency of 3-phase AC by the output of a control circuit Con. The energy produced at the output side from the 3-phase AC at every period of the conversion frequency is controlled to be proportional to the product of the square of the instantaneously voltage value of the 3-phase AC and the control amount, and proportional in the total energy produced from the respective phases to the control amount.
    • 目的:为了减少多相交流输入电流的谐波分量,并通过特定方法控制开关元件的导通时间,获得具有小纹波的恒定直流输出,使多相交流输入电流以正弦波形流动。 构成:通过电感器Lu-Lw,电容器Cu-Cw和整流器Rec1-Rec3将三相交流输入施加到转换器G1-G3,并且通过平滑电路将输出施加到负载F.开关晶体管Q1,Q' 转换器G1-G3中的1分别通过控制电路Con的输出以高转换频率切换为三相AC的频率。 在转换频率的每个周期,从三相AC的输出侧产生的能量被控制成与三相AC的瞬时电压值的平方和控制量的乘积成比例,并且与 从各个相位产生的总能量到控制量。
    • 3. 发明专利
    • Power converter
    • 电源转换器
    • JPS6173577A
    • 1986-04-15
    • JP19419284
    • 1984-09-17
    • Nippon Telegr & Teleph Corp Origin Electric Co Ltd
    • SENOO KAZUHIROKUWATA YUTAKASHIBUYA RYOJI
    • H02M3/338H02M3/335
    • H02M3/335
    • PURPOSE:To prevent a power converter from damaging by turning ON and FET through a current transformer when a main switching semiconductor element is erroneously operated, thereby automatically turning the element OFF. CONSTITUTION:When a main transistor 1 is erroneously operated due to an outcoming noise, a current flowed to the transistor 1 induces a voltage in the output current winding Nb of a current transformer 4. This voltage is applied through a reverse blocking diode 8 to the gate of the drive FET2, thereby turning ON the FET2. Thus, the winding N3 of the transformer 3 is shortcircuited, and the transistor 1 is automatically turned OFF.
    • 目的:为防止电源转换器在主开关半导体元件误操作时通过电流互感器接通和接通FET,从而自动关闭元件。 构成:当主晶体管1由于输出噪声而被错误地操作时,流向晶体管1的电流在电流互感器4的输出电流绕组Nb中产生电压。该电压通过反向阻塞二极管8施加到 驱动FET2的栅极,从而导通FET2。 因此,变压器3的绕组N3短路,晶体管1自动关断。
    • 4. 发明专利
    • Rectifier
    • 整流器
    • JPS5963977A
    • 1984-04-11
    • JP17364782
    • 1982-10-01
    • Origin Electric Co Ltd
    • SAITOU RIYOUJISUZUKI YOSHIOSENOO KAZUHIRO
    • H02M7/08H02M3/28H02M7/06H02M7/12
    • H02M3/28
    • PURPOSE:To reduce the harmonic component of a polyphase AC input current and to obtain a constant DC output having small ripple by controlling the conducting time of switching elements by a specific method so that the polyphase AC input current flows in the sinusoidal waveform. CONSTITUTION:A 3-phase AC input is applied through inductors Lu-Lw, capacitors Cu-Cw and rectifiers Rec1-Rec3 to converters G1-G3, and the outputs are applied through rectifying and smoothing circuits to a load F. Switching transistors Q1, Q'1 in the converters G1-G3 are respectively switched in high conversion frequency by the frequency of 3-phase AC. The energy produced at the output side at every period of the conversion frequency is controlled to be proportional to the product of the square of the 3-phase AC and the control amount, and proportional in the total energy produced from the respective phases of the control amount.
    • 目的:为了减少多相交流输入电流的谐波分量,并通过特定方法控制开关元件的导通时间,获得具有小纹波的恒定直流输出,使多相交流输入电流以正弦波形流动。 构成:通过电感器Lu-Lw,电容器Cu-Cw和整流器Rec1-Rec3将三相交流输入施加到转换器G1-G3,并且通过整流和平滑电路将输出施加到负载F.开关晶体管Q1, 转换器G1-G3中的Q'1分别以高转换频率以3相AC的频率切换。 在转换频率的每个周期的输出侧产生的能量被控制成与三相AC的平方和控制量的乘积成比例,并且与从控制的各个相位产生的总能量成比例 量。
    • 5. 发明专利
    • Parallel connection circuit of transistor
    • 晶体管并联连接电路
    • JPS6158306A
    • 1986-03-25
    • JP18007684
    • 1984-08-29
    • Origin Electric Co Ltd
    • SENOO KAZUHIROSHIBUYA RYOJIKII YASUO
    • H03F3/68H03K17/12
    • H03K17/12
    • PURPOSE:To almost simultaneously turn on and turn off transistors connected in parallel and, at the same time, to suppress the voltage between the collector and emitter of each trasistor, by connecting diodes to the winding of a current transformer for balacer. CONSTITUTION:Diodes D1 and D2 which limit voltages generated in the primary winding NP and secondary winding NS, both of which have he same number of turns, of a ucrrent transformer T1 for balancer are connected with both ends of the windings NP and NX, respectively. Therefore, voltages induced in the windings NP and NX are suppressed o lower than the forward drop voltages of the diodes D1 and D2. Since these voltages are resepctively supplied top the emitters of transistors (TR) Q1 and Q2 connected in parallel with each other, both the TRs Q1 and Q2 can almost simultaneously be turned on and turned off. In addition, voltages between the collector and emitter of the TRs Q1 and Q2 can be suppressed to lower than the sum voltage of the supply volt age and the forward drop voltages of the diodes D1 and D2.
    • 目的:通过将二极管连接到用于隔离器的电流互感器的绕组,几乎同时打开并关闭并联连接的晶体管,同时抑制每个晶体管的集电极和发射极之间的电压。 构成:分别与绕组NP和NX的两端分别连接有用于平衡器的uclrent变压器T1的初级绕组NP和次级绕组NS(其具有相同匝数)中产生的电压的二极管D1和D2分别连接 。 因此,抑制在绕组NP和NX中感应的电压低于二极管D1和D2的正向压降电压。 由于这些电压在彼此并联连接的晶体管(TR)Q1和Q2的发射极顶部反复地提供,所以TRs Q1和Q2几乎可以同时导通和关断。 此外,TR Q1和Q2的集电极和发射极之间的电压可以被抑制到低于二极管D1和D2的电源电压和正向压降电压的和电压。
    • 6. 发明专利
    • Controlling method for rectifier
    • 整流器的控制方法
    • JPS5963976A
    • 1984-04-11
    • JP17364682
    • 1982-10-01
    • Origin Electric Co Ltd
    • SAITOU RIYOUJISUZUKI YOSHIOSENOO KAZUHIRO
    • H02M3/28H02M7/06H02M7/12H02M7/155H02M7/162H02M7/219H02M7/493
    • H02M3/28
    • PURPOSE:To reduce the harmonic component of a polyphase AC input current and to obtain a constant DC output having small ripple by controlling the conducting time of switching elements by a specific method so that the polyphase AC input current flows in the sinusoidal waveform. CONSTITUTION:A 3-phase AC input is applied through inductors Lu-Lw, capacitors, Cu-Cw and rectifiers Rec1-Rec3 to converters G1-G3, and the outputs are applied through smoothing circuits to a load F. Switching transistors Q1, Q'1 in the converters G1-G3 are respectively switched in high conversion frequency by the frequency of 3-phase AC. The energy produced at the output side at every period of the conversion frequency is controlled to be proportional to the product of the square of the 3-phase AC and the control amount, and proportional in the total energy produced from the respective phases to the control amount.
    • 目的:为了减少多相交流输入电流的谐波分量,并通过特定方法控制开关元件的导通时间,获得具有小纹波的恒定直流输出,使多相交流输入电流以正弦波形流动。 构成:通过电感器Lu-Lw,电容器,Cu-Cw和整流器Rec1-Rec3将三相交流输入端施加到转换器G1-G3,并通过平滑电路向负载F施加输出。开关晶体管Q1,Q 转换器G1-G3中的'1'分别以三相AC的频率以高转换频率切换。 在转换频率的每个周期的输出侧产生的能量被控制成与三相AC的平方和控制量的乘积成比例,并且与从各个相位产生的总能量成比例 量。