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    • 2. 发明申请
    • パルス生成装置
    • 脉冲发生器件
    • WO2012133593A1
    • 2012-10-04
    • PCT/JP2012/058262
    • 2012-03-28
    • 古河電気工業株式会社古河AS株式会社平山 裕樹
    • 平山 裕樹
    • H03K5/003G01S7/282H03K4/92
    • H03K3/013G01S7/282H03F3/72H03K3/66H03K4/92H03K5/003H04B1/7174
    • 好適な波形のパルス信号を生成するとともに、パルス信号を出力しないときには高いアイソレーションを実現するパルス生成装置を提供する。 パルス生成装置100は、高周波発振器101から出力される高周波信号を増幅器102で増幅して出力している。増幅器102は、ドライブ回路110からその駆動電力が供給される間だけ高周波発振器101からの高周波信号を増幅して出力する。増幅器102で増幅された高周波信号が超広帯域なパルス信号となるように、ドライブ回路110から増幅器102に供給する駆動電力の波形を波形制御部120を用いて制御している。
    • 提供一种产生具有合适波形的脉冲信号并且在不输出脉冲信号时实现高隔离度的脉冲发生装置。 脉冲发生装置(100)通过放大器(102)放大从高频振荡器(101)输出的高频信号并输出​​结果。 放大器(102)只有在从驱动电路(110)馈送驱动电力时才放大并输出来自高频振荡器(101)的高频信号。 波形控制单元(120)用于控制从驱动电路(110)馈送到放大器(102)的驱动电力的波形,使得由放大器(102)放大的高频信号变为超宽带脉冲信号。
    • 3. 发明申请
    • DIGITAL RAMP GENERATOR WITH OUTPUT POWER LEVEL CONTROLLER
    • 带输出功率电平控制器的数字雷达发生器
    • WO01041295A1
    • 2001-06-07
    • PCT/FI2000/001065
    • 2000-12-01
    • H03B28/00H03K4/92
    • H03B28/00
    • Simplifying functions representing raised sine or cosine curves to functions representing simple sine or cosine curves makes it possible to implement an electrical equivalent circuit for a ramp generator. The core of the ramp generator with an output power level controller is second-order direct-form feedback structure (60), which forms a digital sinusoidal oscillator. The initial values of two state variables x2(n), x2(n+1) of the oscillator are chosen so that they both contain a predetermined first constant value. This first constant value will emerge as the amplitude value of the pure sine wave generated by the oscillator. Particularly the first constant value is equal to the desired nominal level A of the ramp minus the starting level. A second constant value (A+dc) is added to the oscillator output. The added result is scaled (66) so that the nominal power level is A. A multiplexer (67) keeps the power level between the ramps constant.
    • 将表示升正弦或余弦曲线的功能简化为表示简单的正弦或余弦曲线的功能可以实现斜坡发生器的电等效电路。 具有输出功率电平控制器的斜坡发生器的核心是二阶直接形式反馈结构(60),其形成数字正弦振荡器。 选择振荡器的两个状态变量x2(n),x2(n + 1)的初始值,使得它们都包含预定的第一常数值。 第一个恒定值将出现为由振荡器产生的纯正弦波的振幅值。 特别地,第一常数值等于斜坡的期望标称电平A减去起始电平。 第二个恒定值(A + dc)被添加到振荡器输出。 附加结果被缩放(66),使得额定功率电平为A.多路复用器(67)保持斜坡之间的功率电平恒定。
    • 4. 发明申请
    • CONTROL METHOD OF INVERTER FOR CURRENT SUPPLY OF AN ELECTRIC ARC MELTING PLANT
    • 电弧熔炼厂电流供应逆变器的控制方法
    • WO2016189484A1
    • 2016-12-01
    • PCT/IB2016/053081
    • 2016-05-26
    • SECOM S.R.L.
    • MAZZORIN, Giacomo
    • H03K4/92B23K9/10H03K7/08
    • H03K7/08B23K9/09B23K9/1043H03K4/92
    • Disclosed herein is a control method of inverter insulated from the earth for current supply to a load consisting of electrodes forming electric arcs to the ground, which uses a PWM modulation, based on the coupling of a bearing wave and of a modulating wave., wherein an impulse-type forcing wave is furthermore coupled with said modulating wave, the impulses of which apply with a delay (T0) respect to the beginning of each half-wave of the modulating wave, have the same sign of this half-wave, have a width (A) between 0% and 100% of the width of the bearing wave, and have a duration (T1) such that the sum of said delay (T0) and said duration (T1) is longer than the phase displacement between voltage and current of the modulating wave when passing through zero.
    • 本文公开了一种与地电绝缘的逆变器的控制方法,用于向由负载波形和调制波的耦合使用基于PWM调制的电极形成电弧的负载组成的负载供电,其中, 此外,脉冲型强制波与所述调制波相耦合,其脉冲相对于调制波的每个半波的开始应用延迟(T0),具有该半波的相同符号,具有 具有轴承波宽度的0%和100%之间的宽度(A),并且具有使得所述延迟(T0)和所述持续时间(T1)之和长于电压之间的相位位移的持续时间(T1) 和通过零时调制波的电流。
    • 6. 发明申请
    • MONOPULSE GENERATOR
    • 单相发电机
    • WO99053616A1
    • 1999-10-21
    • PCT/GB1999/001143
    • 1999-04-14
    • H03K4/92
    • H03K4/92
    • A monopulse generator (34) as shown in Figure 3, comprising an oscillator (46) which operates to generate a repetitive waveform signal (47) having substantially the same repeated waveform pattern having a predetermined frequency, a divider (50) coupled to said oscillator (46) which operates to generate a switching pulse for every N waveform patterns generated by said oscillator, which switching pulse is fed to a control input of a switch (48), a second input of said switch being fed by said repetitive waveform signal wherein said switch (48) operates to pass at least a substantial part of one of said waveform patterns to an output (56) thereof in accordance with said switching pulse, thereby generating at the output of the monopulse generator a repetitive pulse with a shape corresponding to the at least substantial part of the repetitive waveform pattern.
    • 如图3所示的单脉冲发生器(34),包括振荡器(46),其操作以产生具有基本相同的具有预定频率的重复波形图案的重复波形信号(47),耦合到所述振荡器 (46),其操作以产生由所述振荡器产生的每N个波形图案的切换脉冲,所述切换脉冲被馈送到开关(48)的控制输入,所述开关的第二输入由所述重复波形信号馈送,其中 所述开关(48)根据所述切换脉冲操作以将所述波形图案中的至少一部分至少通过其输出(56),从而在单脉冲发生器的输出处产生具有对应于 重复波形图案的至少相当部分。