公开(公告)号：US10732653B2

公开(公告)日：2020-08-04

申请号：US16323404

申请日：2017-08-07

申请人： THIRD EQUATION LTD

发明人： Matthew Williams ,  Andrew Scobie

IPC分类号： G05F1/325 ,  G05F1/32 ,  H01F3/14 ,  H01F30/12 ,  H01F30/16

摘要： An electrical power supply system can include: at least one virtual air gap transformer; a heterodyning component configured to generate a corresponding heterodyned signal having frequency components corresponding to a sum and a difference of the first fundamental frequency and a reference frequency; a filtering component configured to filter a heterodyned signal to remove one of the sum and the difference frequency components therefrom and provide a corresponding filtered signal; an input port; and a control component configured: (i) to receive a signal and to generate a corresponding frequency control signal to determine a reference frequency of the heterodyning component such that the filtered signal has a target output frequency; and (ii) to receive a signal representing the first input voltage, and to generate a corresponding virtual air gap control signal to determine the electrical current in the control windings of the at least one virtual air gap transformer.

公开(公告)号：US09013156B2

公开(公告)日：2015-04-21

申请号：US13901705

申请日：2013-05-24

申请人： Tanashin Denki Co., Ltd.

发明人： Masakatsu Sawada ,  Kenya Matsushita

IPC分类号： G05F1/32 ,  G01R21/127 ,  H03K17/13 ,  G01R21/133 ,  G01R31/02

CPC分类号： G01R21/127 ,  G01R21/133 ,  G01R31/02 ,  G01R31/025 ,  G01R31/2841 ,  H03K17/13

摘要： A signal generation device and a signal generation method may measure leakage currents, such as an input current value I and phase-shifted current values I cos θ and I sin θ in a short period of time and automatically output the detected values without calculating a vector of a phase difference. The signal generation device generates logical signals from a voltage waveform and a current waveform of a measured power line through first and second comparators, sets parameters, full-wave rectifies the current waveform, and performs quantization transform on the full-wave rectified current waveform using a successive ΔΣADC.

摘要翻译： 信号发生装置和信号发生方法可以测量泄漏电流，例如输入电流值I和相移电流值I cos＆amp; thetas; 我和罪恶 在短时间内自动输出检测值而不计算相位差的矢量。 信号产生装置通过第一和第二比较器从测量电力线的电压波形和电流波形生成逻辑信号，设置参数，对当前波形进行全波整流，并对全波整流电流波形进行量化变换，使用 一个连续的＆Dgr＆amp; ADC。

公开(公告)号：US08072192B2

公开(公告)日：2011-12-06

申请号：US12624516

申请日：2009-11-24

申请人： Lennart Angquist

发明人： Lennart Angquist

IPC分类号： G05F1/652 ,  G05F1/32

CPC分类号： H02J11/00 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  Y10T307/625

摘要： A power supply apparatus includes a coupling capacitor arranged to be connected on its first end to ground; a transformer including a primary winding and a secondary winding; a first rectifier bridge connected in parallel with the secondary winding; and an energy storage, to which a load is arranged to be connected. The primary winding is arranged to be connected between a second end of the coupling capacitor and a high voltage transmission line such that all current between the second end of the coupling capacitor and the high voltage transmission line passes through the primary winding. The energy storage is arranged to be charged by means of a current passing through the first rectifier bridge. Furthermore, the power supply apparatus includes a bypasser. A corresponding three-phase apparatus is also presented.

摘要翻译： 电源装置包括耦合电容器，其布置成在其第一端连接到地; 包括初级绕组和次级绕组的变压器; 与次级绕组并联连接的第一整流桥; 以及负载被连接到的能量存储器。 初级绕组被布置成连接在耦合电容器的第二端和高压传输线之间，使得耦合电容器的第二端和高压传输线之间的所有电流通过初级绕组。 能量存储器被布置成通过穿过第一整流桥的电流进行充电。 此外，电源装置包括旁路器。 还提出了相应的三相设备。

公开(公告)号：US5535087A

公开(公告)日：1996-07-09

申请号：US181854

申请日：1994-01-14

申请人： James D. Puckett ,  Edward K. Weiss ,  Paul E. Russell ,  J. Michael Pearson

发明人： James D. Puckett ,  Edward K. Weiss ,  Paul E. Russell ,  J. Michael Pearson

IPC分类号： G05F1/32 ,  H02H9/00 ,  H03J3/22

CPC分类号： H02H9/005 ,  G05F1/32

摘要： A circuit for reducing the effects of unpredictable changes in power supply and variations in loading on sensitive equipment, e.g. CT scanning system, to reduce inaccurate readings and protect equipment. The circuit utilizes a network of variable reactances controlled either by manual switches or by a microprocessor receiving inputs from a plurality of monitoring locations within the network.

摘要翻译： 用于减少电源不可预测的变化和敏感设备上的负载变化的影响的电路，例如， CT扫描系统，减少不准确的读数并保护设备。 该电路利用由手动开关或微处理器接收来自网络内的多个监测位置的输入控制的可变电抗网络。

公开(公告)号：US5260614A

公开(公告)日：1993-11-09

申请号：US918484

申请日：1992-07-22

申请人： Ulrich Theus ,  Mario Motz ,  Juergen Niendorf

发明人： Ulrich Theus ,  Mario Motz ,  Juergen Niendorf

IPC分类号： H01L43/06 ,  G01R33/07 ,  H01L27/22 ,  G05F1/32 ,  H03K17/90

CPC分类号： G01R33/07 ,  H01L27/22

摘要： A circuit and method automatically compensate a monolithic integrated Hall sensor having a Hall element therein, wherein a device for generating operating currents is technologically and thermally tightly coupled with the Hall element. The production-induced and temperature-induced variations in the sensitivity of the Hall element are compensated for by a defined control of the supply current and the offset current. For the control, the thermal and technological parameters of the Hall element semiconductor region or equivalent regions in corresponding circuits are used. For this purpose, at least two current sources are provided which generate at least two auxiliary currents with different temperature dependences. By means of adding/subtracting devices, resultant currents with other temperature dependences are formed from the auxiliary currents by summation/subtraction and different weighting.

摘要翻译： 电路和方法自动补偿其中具有霍尔元件的单片集成霍尔传感器，其中用于产生工作电流的装置与霍尔元件技术和热紧密耦合。 通过对供电电流和偏移电流的定义控制来补偿霍尔元件的灵敏度的产生和温度引起的变化。 为了控制，使用霍尔元件半导体区域或相应电路中的等效区域的热和工艺参数。 为此，提供至少两个电流源，其产生具有不同温度依赖性的至少两个辅助电流。 通过加/减设备，通过加减法和不同的加权从辅助电流形成具有其他温度依赖性的合成电流。

公开(公告)号：US4460955A

公开(公告)日：1984-07-17

申请号：US452139

申请日：1982-12-22

申请人： Masayuki Hattori ,  Shigeo Nakamura

发明人： Masayuki Hattori ,  Shigeo Nakamura

IPC分类号： G05F1/32 ,  G05F1/38 ,  G05F1/44 ,  H02P13/24

CPC分类号： G05F1/38 ,  G05F1/44

摘要： A stabilizing power supply apparatus including, as a switching element, a magnetic amplifier supplied with a rectangular wave voltage produced by an inverter and controlled by a reset current. An error sensing circuit senses a difference between the output voltage of the magnetic amplifier and a reference voltage to produce an error signal corresponding to the sensed difference. An amplifier circuit amplifies the error signal into the reset current for the magnetic amplifier. The amplifier circuit includes a NPN-type transistor for amplifying the control current into the reset current and first and second diodes. The first diode has an anode terminal connected to a negative power supply line and a cathode terminal connected to the collector of the transistor in order that charge will not accumulate on the transistor base. The second diode has an anode terminal connected to the emitter of the transistor and a cathode terminal connected to the magnetic amplifier. The reset current is applied to the magnetic amplifier through the second diode to hold the output voltage of the apparatus constant by regulating the on/off timing of the magnetic amplifier in accordance with the difference between the magnitude of the output voltage and the magnitude of the reference voltage.

摘要翻译： 一种稳定电源装置，包括作为开关元件的提供有由逆变器产生的矩形波电压的磁放大器，并由复位电流控制。 误差检测电路检测磁放大器的输出电压和参考电压之间的差异，以产生对应于所检测差值的误差信号。 放大器电路将误差信号放大到磁放大器的复位电流。 放大器电路包括用于将控制电流放大到复位电流的NPN型晶体管以及第一和第二二极管。 第一二极管具有连接到负电源线的阳极端子和连接到晶体管的集电极的阴极端子，以使电荷不会积聚在晶体管基极上。 第二二极管具有连接到晶体管的发射极的阳极端子和连接到磁放大器的阴极端子。 通过第二二极管将复位电流施加到磁放大器，以通过根据输出电压的幅度和输出电压的大小之间的差来调节磁放大器的接通/断开定时来保持设备的输出电压恒定 参考电压。

公开(公告)号：US4378522A

公开(公告)日：1983-03-29

申请号：US261165

申请日：1981-04-30

申请人： Robert N. Suladze ,  Kirill D. Gutterman ,  Medgar N. Gelenidze ,  Ivan I. Navdarashvili ,  Guram G. Shvangiradze ,  Revaz A. Grigolishvili ,  Zurab G. Tadumadze ,  Ramaz G. Kiknadze

发明人： Robert N. Suladze ,  Kirill D. Gutterman ,  Medgar N. Gelenidze ,  Ivan I. Navdarashvili ,  Guram G. Shvangiradze ,  Revaz A. Grigolishvili ,  Zurab G. Tadumadze ,  Ramaz G. Kiknadze

IPC分类号： G05F1/32 ,  H02J3/12

CPC分类号： G05F1/32

摘要： An adjustable current source comprises a choke (1) and a capacitor (2) whose reactive impedances are equal at the frequency of a variable voltage source (3), as well as a load current matching and adjusting unit made as a magnetic amplifier (4). Some outputs of the choke (1), the capacitor (2) and a primary winding (6, 7) of the magnetic amplifier (4) are coupled to respective phases of the variable voltage source (3). Other outputs of the choke (1), the capacitor (2) and the primary winding (6,7) of the magnetic amplifier (4) are joined in a star connection. The secondary winding (9, 10) of the magnetic amplifier (4) is coupled to the load (11). The control winding (13) of the magnetic amplifier (4) is coupled to a constant voltage source (14).

摘要翻译： 可调电流源包括其可变电压源（3）的频率上的无功阻抗相等的扼流器（1）和电容器（2）以及作为磁放大器（4）的负载电流匹配和调整单元 ）。 扼流圈（1），电容器（2）和磁放大器（4）的初级绕组（6,7）的一些输出端连接到可变电压源（3）的各相。 扼流圈（1），磁放大器（4）的电容器（2）和初级绕组（6,7）的其它输出端连接成星形连接。 磁放大器（4）的次级绕组（9,10）耦合到负载（11）。 磁放大器（4）的控制绕组（13）耦合到恒压源（14）。

公开(公告)号：US4178540A

公开(公告)日：1979-12-11

申请号：US888339

申请日：1978-03-20

申请人： Robert J. Logan

发明人： Robert J. Logan

IPC分类号： G05F3/06 ,  H01F27/38 ,  H01F38/02 ,  G05F1/32

CPC分类号： G05F3/06 ,  H01F27/38 ,  H01F38/023

摘要： In order to prevent pulses induced in the excitation winding of a saturable reactor due to load current in the main winding from causing partial demagnetization of the core, a compensating coil of the same number of turns as the excitation winding is mounted on the core to generate pulses equal and opposite to the induced pulses. The compensating coil pulses are applied across an inductor connected in series with the main winding. A diode in series with the compensating coil prevents the excitation current from flowing through the coil.

摘要翻译： 为了防止由于主绕组中的负载电流引起的可饱和电抗器的励磁绕组中的脉冲引起芯的部分退磁，将与激励绕组相同的匝数的补偿线圈安装在芯上以产生 脉冲与感应脉冲相等和相反。 补偿线圈脉冲施加在与主绕组串联的电感上。 与补偿线圈串联的二极管防止激励电流流过线圈。

公开(公告)号：US4041431A

公开(公告)日：1977-08-09

申请号：US743768

申请日：1976-11-22

申请人： Gerald E. Enoksen

发明人： Gerald E. Enoksen

IPC分类号： H01F29/14 ,  H01F21/08 ,  G05F1/32

CPC分类号： H01F29/14 ,  H01F2029/143 ,  Y10S174/17 ,  Y10S174/25 ,  Y10T29/4902

摘要： A transformer power regulator and method of utilizing same for efficiently and variably delivering A.C. power to a load by regulating only a portion of the input voltage equal to maximum expected voltage variation in the input voltage source while transmitting most of the power directly to the load through some of the transformer windings. The laminated core structure is continuous and uninterrupted including primary and secondary winding leg portions and back portions defining a main magnetic flux circuit. A pair of control winding leg portions, with bridging portions therebetween define a separate control magnetic flux circuit. Variable energization of a pair of control windings, one on each of the control winding leg portions, variably controls the magnetic reluctance of the control magnetic flux circuit. A primary winding on the primary winding leg portion is connectible to an A.C. voltage source. Most of the power to the load is transmitted through the series combination of a bucking winding on the primary winding leg portion and a secondary winding on the secondary winding leg portion resulting in high power transmission efficiency between the source and the load. The bucking winding inductively drops a portion of the input voltage thereacross to compensate for the maximum expected deviation of the voltage source from its nominal value. Selective energization of the control windings provide control of the reluctance of the control winding leg portions, thereby controlling the shunting of flux induced in the primary winding leg portion away from the secondary winding leg portion. The secondary winding adds a variable voltage to return the voltage at the load to the desired nominal value despite deviations in the voltage source.

摘要翻译： 一种变压器功率调节器及其方法，用于通过仅将输入电压的一部分等于输入电压源中的最大预期电压变化来有效地和可变地递送交流电力，同时将大部分功率直接传递到负载 一些变压器绕组。 层叠铁芯结构是连续且不间断的，包括初级和次级绕组腿部和限定主磁通电路的后部。 一对控制绕组腿部，其间具有桥接部分，限定了单独的控制磁通电路。 一对控制绕组的可变通电，每个控制绕组腿部分上的一个控制绕组可变地控制控制磁通电路的磁阻。 初级绕组脚部分上的初级绕组可连接到交流电压源。 负载的大部分功率通过初级绕组支脚部分上的负载绕组和次级绕组支脚部分上的次级绕组的串联组合传输，导致源极和负载之间的高功率传输效率。 屈曲绕组感应地降低其中的一部分输入电压以补偿电压源与其标称值的最大预期偏差。 控制绕组的选择性通电提供对控制绕组腿部的磁阻的控制，由此控制初级绕组脚部分中引起的磁通的分流远离次级绕组支脚部分。 次级绕组增加一个可变电压，以使负载电压恢复到所需的标称值，尽管电压源有偏差。

公开(公告)号：US4032840A

公开(公告)日：1977-06-28

申请号：US596747

申请日：1975-07-17

申请人： Vladimir Konstantinovich Lebedev ,  Vladimir Alexandrovich Troitsky ,  Semen Arefievich Kalinnikov

发明人： Vladimir Konstantinovich Lebedev ,  Vladimir Alexandrovich Troitsky ,  Semen Arefievich Kalinnikov

IPC分类号： G05F1/32 ,  H01F29/14 ,  G05F1/14

CPC分类号： G05F1/32 ,  H01F29/14

摘要： An adjustable transformer comprising a core with two yokes and limbs, primary and secondary power windings, one of which has a supplemental section of turns, at least one of the transformer yokes being made of at least two parallel-connected controlled magnetic circuits forming an additional transformer opening making room for housing the supplemental section turns of the power winding. Each parallel-connected magnetic circuit is provided with bias windings connected to the control network and ensuring a magnetic switching of the supplemental section of turns of the power winding. The switching is a movement of the supplemental section of turns in and out of the transformer open-circuit magnetic flux field.