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    • 3. 发明申请
    • NON-CONTACT POWER SUPPLYING DEVICE AND NON-CONTACT POWER SUPPLYING METHOD
    • 非接触式电源设备和非接触式电源供电方法
    • US20110316348A1
    • 2011-12-29
    • US13254320
    • 2010-02-26
    • Toshihiro KaiThrongnumchai KraisornYasuaki Hayami
    • Toshihiro KaiThrongnumchai KraisornYasuaki Hayami
    • H01F38/14
    • H02J50/12H02J50/40H02J50/80
    • A non-contact power supplying device includes a power-receiving resonating means set to have a predetermined resonant frequency; a power-feeding resonating means set to have a resonance frequency equal to the predetermined resonant frequency; an oscillating means configured to input an alternating-current power into the power-feeding resonating means; an impedance detecting means configured to detect impedance within a predetermined frequency range as viewed from a power-feeding side; and a frequency-variable means configured to set a frequency of the alternating-current power. The oscillating means is configured to supply electric power to the power-receiving resonating means by producing a resonance between the power-receiving resonating means and the power-feeding resonating means. The frequency-variable means is configured to set the frequency of the alternating-current power in accordance with a value of the impedance detected by the impedance detecting means within the predetermined frequency range.
    • 非接触供电装置包括设置为具有预定谐振频率的功率接收谐振装置; 供电谐振装置,其设定为具有等于预定谐振频率的谐振频率; 振荡装置,被配置为将交流电力输入到所述供电谐振装置中; 阻抗检测装置,被配置为从供电侧观察在预定频率范围内的阻抗; 以及频率可变装置,被配置为设定所述交流电力的频率。 振荡装置被配置为通过在受电谐振装置和供电谐振装置之间产生谐振来向电力接收谐振装置提供电力。 频率可变装置被配置为根据在预定频率范围内由阻抗检测装置检测的阻抗的值来设置交流功率的频率。
    • 5. 发明申请
    • CONTACTLESS ELECTRICITY-SUPPLYING DEVICE
    • 无连接电力供应装置
    • US20120056580A1
    • 2012-03-08
    • US13320099
    • 2010-05-14
    • Toshihiro KaiKraisorn ThrongnumchaiYusuke MinagawaYasuaki HayamiKengo Maikawa
    • Toshihiro KaiKraisorn ThrongnumchaiYusuke MinagawaYasuaki HayamiKengo Maikawa
    • H02J7/04H01F38/14
    • H02J50/10H02J5/005H02J7/025H02J50/12H02J50/90H04B5/0037
    • A contactless electricity-supplying device (20) includes a secondary winding (201) to which electric power is supplied from a primary winding (101), by an AC power supply (6). The impedance characteristic (Z) of Z1 in regard to the frequency has a local maximum (ZMAX) near the frequency (f0) of the fundamental wave component of aforementioned AC power supply (6); and the impedance characteristic (Z) of Z2 in regard to the frequency has the aforementioned frequency (f0) of the fundamental wave component to be between, a frequency (fMAX) that has its local maximum (ZMAX) nearest to aforementioned frequency (f0) of the fundamental wave component, and a frequency (fMIN) that has its local minimum (ZMin) nearest to the frequency (f0) of the fundamental wave component. Z1 indicates that the coupling coefficient (k) between aforementioned primary winding (101) and aforementioned secondary winding (201) is a prescribed value (0.3), and that it is an impedance of just the primary side (Z1) as seen from the output side of aforementioned AC power supply (6); and Z2 indicates that the coupling coefficient (k) between aforementioned primary winding (101) and aforementioned secondary winding (201) is the aforementioned prescribed value (0.3), and that it is an impedance of just the secondary side (Z2) as seen from the side of a load (72) to be connected to aforementioned secondary winding (201).
    • 非接触供电装置(20)包括通过交流电源(6)从初级绕组(101)供给电力的次级绕组(201)。 Z1相对于频率的阻抗特性(Z)在上述AC电源(6)的基波分量的频率(f0)附近具有局部最大值(ZMAX)。 并且相对于频率的Z2的阻抗特性(Z)具有上述基波分量的频率(f0),具有最接近上述频率(f0)的局部最大值(ZMAX)的频率(fMAX) 的基波分量的频率(fMIN)和与基波分量的频率(f0)最接近的局部最小值(ZMin)的频率(fMIN)。 Z1表示上述初级绕组(101)和上述次级绕组(201)之间的耦合系数(k)是规定值(0.3),并且从输出端看,它是刚好为初级侧(Z1)的阻抗 上述交流电源(6)的一侧; Z2表示上述初级绕组(101)和上述次级绕组(201)之间的耦合系数(k)为上述规定值(0.3),并且为从次级侧(Z2)的阻抗,如 要连接到上述次级绕组(201)的负载(72)的一侧。
    • 9. 发明申请
    • Device and method for controlling power converting device
    • 用于控制电力转换装置的装置和方法
    • US20070279948A1
    • 2007-12-06
    • US11785925
    • 2007-04-20
    • Kentarou ShinYasuaki HayamiKraisorn ThrongnumchaiToshihiro Kai
    • Kentarou ShinYasuaki HayamiKraisorn ThrongnumchaiToshihiro Kai
    • H02M1/12
    • H02M7/53875H02M2003/1555H02P21/00H02P21/50
    • A control device for a power converting device which performs PWM on an output from a DC power supply and produces an output of AC power, including: a current controller which converts a given current command value into a voltage command value; a carrier generator which generates a PWM carrier; a PWM generator which generates a PWM signal to be fed to the power converting device according to the voltage command value and the PWM carrier; a frequency controller which effects a change in the frequency of the PWM carrier from the carrier generator; and a current control gain controller which effects a change in the current control gain of the current controller according to the change in the frequency of the PWM carrier. The current control gain of the current controller is changed according to the change in the frequency of the PWM carrier from the carrier generator.
    • 一种用于电力转换装置的控制装置,其对来自直流电源的输出执行PWM并产生交流电力的输出,包括:电流控制器,其将给定的电流指令值转换为电压指令值; 产生PWM载波的载波发生器; PWM发生器,其根据电压指令值和PWM载波产生要馈送到功率转换器件的PWM信号; 频率控制器,其实现来自载波发生器的PWM载波频率的变化; 以及电流控制增益控制器,其根据PWM载波的频率变化实现电流控制器的电流控制增益的变化。 电流控制器的电流控制增益根据载波发生器PWM载波的频率变化而改变。