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    • 2. 发明申请
    • Power supply apparatus for arc-utilizing apparatuses
    • 电弧利用装置用电源装置
    • US20070217231A1
    • 2007-09-20
    • US11384845
    • 2006-03-20
    • Hideo IshiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • Hideo IshiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • H02M3/335
    • H02J1/102B23K9/0956
    • A power supply apparatus for use with arc-utilizing apparatuses includes a plurality of power supply blocks (2a, 2b) of the same capacity. Each power supply block (2a, 2b) includes an input-side rectifying circuit (4a, 4b), an inverter (10a, 10b), a transformer (12a, 12b), and an output-side rectifying circuit (18a, 18b). The inverter (10a, 10b) is controlled by a control circuit (30a, 30b) in such a manner that high-frequency current flowing the inverter (10a, 10b) or current flowing through the output-side rectifying circuit (18a, 18b) can correspond to a reference signal provided by a reference signal generator (34a, 34b). The outputs of the output-side rectifying circuits (18a, 18b) of the power supply blocks are connected in parallel with each other. The values of the reference signals generated by the reference signal generators (34a, 34b) are made always equal by the action of equipotential lines (40, 42).
    • 与电弧利用装置一起使用的电源装置包括具有相同容量的多个电源块(2a,2b)。 每个电源块(2a,2b)包括输入侧整流电路(4a,4b),反相器(10a,10b),变压器(12a,12b)和输出侧整流电路 侧整流电路(18a,18b)。 逆变器(10a,10b)由控制电路(30A,30b)控制,使得流过逆变器(10a,10b)的高频电流或流过输出侧整流的电流 电路(18a,18b)可以对应于由参考信号发生器(34a,34b)提供的参考信号。 电源块的输出侧整流电路(18a,18b)的输出端彼此并联连接。 由参考信号发生器(34a,34b)生成的参考信号的值通过等电位线(40,42)的作用总是相等。
    • 4. 发明授权
    • Power supply apparatus for arc-utilizing apparatus
    • 电弧利用装置用电源装置
    • US07109438B2
    • 2006-09-19
    • US10862105
    • 2004-06-04
    • Hideo IshiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • Hideo IshiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • B23K9/10H02M3/24H02H7/10
    • H02M1/10
    • An input rectifier of a power supply apparatus rectifies a selected one of two, higher and lower AC voltages applied to it. First and second inverters are connected in the output of the input rectifier. A high-frequency transformer is connected to the output of each of the first and second inverters. An output rectifier is connected to the output of each of the high-frequency transformers. When the higher one of the two AC input voltages is applied to the input rectifier, a switching circuit connects the first and second inverters in series between output terminals of the input rectifier. When the lower AC voltage is applied to the input rectifier, the switching circuit connects the first and second inverters in parallel between the output terminals of the input rectifier. When the first and second inverters are connected in series between the output terminals of the input rectifier, a voltage balancing control unit operates to suppress imbalance between input voltages to the first and second inverters.
    • 电源设备的输入整流器对施加到其上的两个,更高和更低的AC电压中的所选择的一个进行整流。 第一和第二反相器连接在输入整流器的输出端。 高频变压器连接到第一和第二逆变器的每一个的输出端。 输出整流器连接到每个高频变压器的输出端。 当两个AC输入电压中较高的一个施加到输入整流器时,开关电路串联连接输入整流器的输出端之间的第一和第二反相器。 当将较低的交流电压施加到输入整流器时,开关电路在输入整流器的输出端之间并联连接第一和第二反相器。 当第一和第二逆变器串联连接在输入整流器的输出端子之间时,电压平衡控制单元操作以抑制到第一和第二逆变器的输入电压之间的不平衡。
    • 5. 发明授权
    • DC power supply apparatus
    • 直流电源装置
    • US06188585B1
    • 2001-02-13
    • US09506789
    • 2000-02-18
    • Tetsuro IkedaKenzo DanjoYuji Ikejiri
    • Tetsuro IkedaKenzo DanjoYuji Ikejiri
    • H02M3335
    • H02M3/3381
    • A small-sized DC power supply apparatus adapted for receiving input commercial AC voltages of different value includes an AC-to-DC converter 4 which converts an input commercial AC voltage to a first DC voltage. The first DC voltage is converted to a high-frequency voltage in an inverter 10 including IGBTs 10a-10d which are rendered conductive when a conduction control signal is applied thereto. A transformer 12 transforms the high-frequency voltage, which is, then, converted to a second DC voltage in a high-frequency-to-DC converter 16 for application to a load 22. The conduction control signal with a pause period disposed therein is generated in a controller 14. The conduction control signal occurs at a fixed period. The pause period disposed between the successive occurrences of the conduction control signal becomes longer as the input commercial AC voltage is higher.
    • 适于接收不同值的输入商用AC电压的小型直流电源装置包括将输入商用AC电压转换为第一DC电压的AC-DC转换器4。 在包括IGBT 10a-10d的逆变器10中,将第一直流电压转换成高频电压,当施加导通控制信号时,其变为导通状态。 变压器12将高频电压变换为高频至直流转换器16中的第二直流电压,以应用于负载22.其中设置有暂停时段的导通控制信号是 在控制器14中产生。导通控制信号以固定周期发生。 在输入商用AC电压较高时,布置在导通控制信号的连续发生之间的暂停时间变长。
    • 6. 发明授权
    • Power supply apparatus for arc-utilizing apparatuses
    • 电弧利用装置用电源装置
    • US07457139B2
    • 2008-11-25
    • US11384845
    • 2006-03-20
    • Hideo IsiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • Hideo IsiiTetsuro IkedaKenzo DanjoYuji Ikejiri
    • H02M7/00B23K9/10
    • H02J1/102B23K9/0956
    • A power supply apparatus for use with arc-utilizing apparatuses includes a plurality of power supply blocks of the same capacity. Each power supply block includes an input-side rectifying circuit, an inverter, a transformer, and an output-side rectifying circuit. The inverter is controlled by a control circuit in such a manner that high-frequency current flowing the inverter or current flowing through the output-side rectifying circuit can correspond to a reference signal provided by a reference signal generator. The outputs of the output-side rectifying circuits of the power supply blocks are connected in parallel with each other. The values of the reference signals generated by the reference signal generators are made always equal by the action of equipotential lines.
    • 与电弧利用装置一起使用的电源装置包括具有相同容量的多个电源块。 每个电源块包括输入侧整流电路,逆变器,变压器和输出侧整流电路。 逆变器由控制电路控制,使得流过逆变器的高频电流或流过输出侧整流电路的电流可以对应于由参考信号发生器提供的参考信号。 电源块的输出侧整流电路的输出端并联连接。 由参考信号发生器产生的参考信号的值总是等于等电位线的作用。