公开(公告)号：WO1997027665A1

公开(公告)日：1997-07-31

申请号：PCT/FR1997000109

申请日：1997-01-20

Applicant: MOULINEX S.A. ,  GUINET, Michel

Inventor： MOULINEX S.A.

IPC: H02P05/05

CPC classification number: H02P25/08

Abstract: A method for powering an electronically switched variable reluctance motor (100) from a single-phase AC voltage source (17) is disclosed. Each phase of the motor is sequentially subjected to a magnetising sequence, a demagnetising sequence and an energy transfer to a storage capacitor (C) common to all the phases. Feedback sequences (R) in which the energy stored in the storage capacitor (C) is returned to the rectifier stage (15) are performed by controlling a chopping switch (TH) connected in series to the storage capacitor (C). The method includes a step of monitoring the energy returned to the rectifier stage (15) in order to correct instability in the rectified power supply current (Ia) relative to a reference current wave, and modulating the cyclical chopping ratio around a substantially constant mean value. The method is useful for powering household appliances.

Abstract translation: 公开了一种从单相交流电压源（17）供电电子开关可变磁阻电动机（100）的方法。 电动机的每相依次经受磁化序列，去磁序列和向所有相共用的存储电容器（C）的能量转移。 通过控制与存储电容器（C）串联连接的斩波开关（TH），将存储在存储电容器（C）中的能量返回到整流器级（15）的反馈序列（R）执行。 该方法包括监测返回到整流器级（15）的能量的步骤，以便校正相对于参考电流波的整流电源电流（Ia）中的不稳定性，并且围绕基本上恒定的平均值调节循环斩波比 。 该方法对于家用电器的供电是有用的。

公开(公告)号：WO1998028838A1

公开(公告)日：1998-07-02

申请号：PCT/EP1997006211

申请日：1997-11-08

Applicant: AEG HAUSGERÄTE GMBH ,  SGS-THOMSON MICROELECTRONICS GMBH ,  DIJKSTRA, Jan ,  RICHTER, Peter

Inventor： AEG HAUSGERÄTE GMBH ,  SGS-THOMSON MICROELECTRONICS GMBH

IPC: H02P05/05

CPC classification number: H02P6/14 ,  H02P25/089

Abstract: In a synchronous motor a premagnetized rotor (permanent magnet or reluctance) is driven by a magnetic field generated in the stator coils synchronously in relation to the frequency of the driving current in the magnetic field thus generated. The problem that arises with this type of motor is that magnetic field energy stored in a stator coil cannot be exclusively converted into kinetic energy of the rotor. The invention aims to use in an advantageous manner this residual energy, which at present cannot be utilized. According to the invention, the problem is solved by providing an electronic power element for a synchronous motor, comprising means for transferring to another phase winding, by switching to said other phase winding, the residual energy which is stored in the inductance of one phase winding when said phase winding is subjected to an electric current but which is not converted into kinetic energy. In this way, the residual energy is not lost in the form of power loss, but is used again, under deduction of the losses that are inevitable for reasons of physics, for driving the rotor, although this time with the respective other phase winding.

Abstract translation: 在预磁化的转子（永久磁铁或磁阻）的同步电动机由产生的磁场在定子绕组与所述磁场从而产生的驱动电流的频率同步驱动。 的问题，但是，发生时存储在定子磁场能量的信息不仅在转子的动能是可行的。 本发明具有的目的是目前应用的剩余电力不可用是有利的。 这个目的是根据本发明的拆卸用其特征在于，功率电子的同步电动机存在，其特征在于，设置有装置，用于将存储的，但切换到另一个相绕组在这个其它相绕组的相的电感器绕组的通电时不转换成剩余能量的动能。 以这种方式，该残余能量不会丢失，因为耗散功率，但小于不可避免物理造成的损失再次，然而，使用该时间来驱动转子在另一相绕组。

公开(公告)号：WO1997034365A1

公开(公告)日：1997-09-18

申请号：PCT/US1997003963

申请日：1997-03-13

Applicant: DANA CORPORATION

Inventor： DANA CORPORATION ,  KOLOMEITSEV, Sergei, F. ,  BLACKBURN, Scott, E.

IPC: H02P05/05

CPC classification number: H02P23/0027 ,  H02P25/08

Abstract: An apparatus for changing the operating modes of a switched reluctance motor is disclosed. The motor can be operated in either a multi-phase mode or a single-phase mode. When the motor is operated in a multi-phase mode, all stator windings are energized, however, when the motor is operated in a single-phase mode, only the windings corresponding to a single phase are energized. The apparatus includes a logic circuit (146) for sensing the motor speed, and a comparator circuit (172) for changing the motor operating modes. The mode change is based on the speed levels of the motor. Between the speed levels, there is a hysteresis operating band to prevent undesirable hunting between the single-phase mode and the multi-phase mode.

Abstract translation: 公开了一种用于改变开关磁阻电机的工作模式的装置。 电机可以在多相模式或单相模式下工作。 当电动机以多相模式工作时，所有定子绕组都通电，但是当电动机以单相模式工作时，只有与单相对应的绕组通电。 该装置包括用于感测电动机速度的逻辑电路（146）和用于改变电动机工作模式的比较器电路（172）。 模式更改基于电机的速度水平。 在速度水平之间，存在滞后操作频带，以防止单相模式和多相模式之间的不期望的振荡。

公开(公告)号：WO1998015052A1

公开(公告)日：1998-04-09

申请号：PCT/US1997013985

申请日：1997-08-12

Applicant: HONEYWELL INC.

Inventor： HONEYWELL INC. ,  GILMAN, Robert, E.

IPC: H02P05/05

CPC classification number: H02P25/08

Abstract: A method and apparatus for exciting and controlling a switched reluctance motor having pulse duration modulated current provided to the windings of the motor. A start signal determined by a rotor position sensor (76), charges a capacitor (56). The capacitor (56) is discharged according to an error signal (116) that indicates the difference between a desired magnitude of a parameter, such as torque or speed, and the actual magnitude. A comparator (128) puts out a pulse (103) having a duration which is the same as the time that the capacitor (56) has a charge. The pulse from the comparator (128) turns on a switch (75) connected to respective windings of the motor and provides a current pulse (73) that has a duration (t1-t0) equivalent to that of the pulse (103) from the comparator (128). This sequence is repeated for all of the windings of the motor so as to maintain its speed or torque at the desired magnitude.

Abstract translation: 一种用于激励和控制提供给电动机的绕组的具有脉冲持续时间调制电流的开关磁阻电动机的方法和装置。 由转子位置传感器（76）确定的启动信号对电容器（56）充电。 电容器（56）根据指示参数的期望幅度（例如转矩或速度）与实际大小之间的差异的误差信号（116）放电。 比较器（128）输出具有与电容器（56）具有电荷的时间相同的持续时间的脉冲（103）。 来自比较器（128）的脉冲导通连接到电动机的相应绕组的开关（75），并提供具有等于脉冲（103）的持续时间（t1-t0）的电流脉冲（73） 比较器（128）。 对于电动机的所有绕组重复该顺序，以将其速度或转矩保持在期望的幅度。

公开(公告)号：WO1998002957A1

公开(公告)日：1998-01-22

申请号：PCT/US1997012068

申请日：1997-07-11

Applicant: SUNDSTRAND CORPORATION

Inventor： SUNDSTRAND CORPORATION ,  FERREIRA, Caio, Alexandre ,  BUEROSSE, James, Aaron

IPC: H02P05/05

CPC classification number: H02P9/40 ,  H02P2101/30

Abstract: A switched reluctance machine capable of improved operation under fault conditions. The machine includes a controller which responds to a fault in a phase winding by cutting off current to the phase windings of all stator poles that are aligned with a rotor pole at the time the stator pole having the phase winding with the fault therein aligned with a rotor pole. Consequently, there is no magnetic flux in the stator or rotor at such time. Therefore, no current is induced in the faulted phase winding. This avoids generation of a counter torque, as well as avoiding potential catastropic failure of the SR machine.

Abstract translation: 开关磁阻电机能够在故障条件下改善运行。 该机器包括控制器，该控制器通过在与其中具有故障的相绕组的定子极与之对准的时刻切断与转子极对准的所有定子极的相绕组的电流的电流 转子极。 因此，此时定子或转子中没有磁通。 因此，在故障相绕组中不产生电流。 这避免了产生反扭矩，同时避免了SR机器潜在的灾难性故障。

公开(公告)号：WO1997039522A1

公开(公告)日：1997-10-23

申请号：PCT/US1997006275

申请日：1997-04-07

Applicant: EMERSON ELECTRIC CO.

Inventor： EMERSON ELECTRIC CO. ,  FRENCH, Alan, P.

IPC: H02P05/05

CPC classification number: H02P9/40 ,  H02P25/0925 ,  H02P25/098

Abstract: A method and apparatus for controlling the average voltage applied to a phase winding of a reluctance machine during a period of current increase, controlling the current when a desired current is reached, and controlling the voltage applied during a period of current decrease, to improve machine efficiency and thereby reduce acoustical noise produced by the machine, and unwanted vibration. The apparatus comprises circuitry and associated elements which are operable to switch the phase winding into circuits which apply either a positive DC voltage, a zero voltage, or a negative DC voltage, to increase, maintain, or decrease the current in the winding. The timing and the rate of the switching is controlled as a function of the angular position and speed of a rotor of the reluctance machine, the torque output of the machine, and the desired speed or torque. A method is provided whereby a duty cycle corresponding to a specific reluctance machine, as well as to specific operating parameters of the machine at a given rotor position, speed, and torque, is calculated by the controller for applying voltage to the phase winding during the period of current increase to increase the current from at or near zero to a desired peak current. Additionally, a method is provided for calculating a duty cycle for the time at which the phase is de-energized, corresponding to a specific reluctance machine, and to specific operating parameters of the machine at a given rotor position, speed, and torque, as well as a method for changing the duty cycle to drive the current in the winding to zero or near zero. The calculation of the appropriate duty cycle for the specific operating conditions of the reluctance machine controls the net average voltage applied, has been found to reduce abrupt changes in the current. This reduction correlates into reduced abrupt changes in the magnetic flux, resulting in reduced acoustic noise and unwanted vibration.

Abstract translation: 一种用于控制在电流增加期间施加到磁阻电机的相绕组的平均电压的方法和装置，当达到期望电流时控制电流，并控制在电流下降期间施加的电压，以改善机器 从而降低机器产生的声音噪音，并产生不必要的振动。 该装置包括电路和相关元​​件，其可操作以将相绕组切换到施加正直流电压，零电压或负直流电压的电路，以增加，维持或减小绕组中的电流。 切换的时间和速率根据磁阻电机的转子的角位置和速度，机器的扭矩输出以及期望的速度或扭矩来控制。 提供了一种方法，其中通过控制器计算对应于特定磁阻电机的占空比以及在给定转子位置，速度和转矩下的机器的特定操作参数，所述控制器在该期间在相位绕组期间施加电压 电流增加的周期，以将电流从零或接近零增加到期望的峰值电流。 此外，提供一种方法，用于计算相对于特定磁阻电机相位断电的时间的占空比，以及给定转子位置，速度和转矩的机器的具体操作参数，如 以及用于改变占空比以将绕组中的电流驱动到零或接近零的方法。 磁阻电机的具体工作条件的适当占空比的计算控制了施加的净平均电压，已经发现可以减少电流的突然变化。 这种减小与磁通量的急剧变化相关，导致声学噪声减少和不希望的振动。