公开(公告)号：US08716961B2

公开(公告)日：2014-05-06

申请号：US13287234

申请日：2011-11-02

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P1/00

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: A method of operating an electrical machine having first and second phase windings. The method includes: (1) applying positive first current to the first phase winding while the first phase winding's back electromotive force (emf) is positive; (2) applying negative second current to the first phase winding while the first phase winding's back emf is negative; and (3) applying positive third current to the second phase winding while the second phase winding's back emf is positive. The first current is conducted through a circuit composed of a battery, the first phase winding, and a first switch. The second current is conducted through a circuit composed of a first capacitive storage element, the battery, the first phase winding, and a second switch, and the third current is conducted through a circuit composed of the battery, the second phase winding, and a third switch.

Abstract translation: 一种操作具有第一和第二相绕组的电机的方法。 该方法包括：（1）在第一相绕组的反电动势（emf）为正时，向第一相绕组施加正的第一电流; （2）当第一相绕组的后电动势为负时，将负的第二电流施加到第一相绕组; 和（3）在第二相绕组的反电动势为正时将正的第三电流施加到第二相绕组。 第一电流通过由电池，第一相绕组和第一开关构成的电路进行。 第二电流通过由第一电容性存储元件，电池，第一相绕组和第二开关构成的电路传导，并且第三电流通过由电池，第二相绕组和 第三开关

公开(公告)号：US08264182B2

公开(公告)日：2012-09-11

申请号：US12672688

申请日：2008-08-13

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: G05F1/70 ,  H02P25/08

CPC classification number: H02P25/092 ,  H02P2201/15 ,  Y02P80/112

Abstract: A power factor correction system includes a rectifier that rectifies the voltage of an alternating current (ac) power source to produce a voltage waveform that transitions, in a half sinusoid, from a minimum amplitude to a maximum amplitude and back to the minimum amplitude twice in the period of the ac power source. A phase winding of a motor conveys current induced by the voltage waveform, and a regulator regulates the flow of the current conveyed by the phase winding for storage as energy in a storage component.

Abstract translation: 功率因数校正系统包括整流器，其对交流（AC）电源的电压进行整流，以产生电压波形，该电压波形在半正弦曲线中从最小幅度转换到最大幅度，并返回到最小振幅两次 交流电源的周期。 电动机的相绕组传递由电压波形引起的电流，并且调节器调节由相绕组输送的电流的流量作为能量存储在存储部件中。

公开(公告)号：US20110025253A1

公开(公告)日：2011-02-03

申请号：US12672694

申请日：2008-08-12

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P6/14

CPC classification number: H02P25/04 ,  H02P25/089 ,  H02P25/092

Abstract: An improved single-switch control circuit for use in a multi-phase switched reluctance machine is provided. The control circuit includes at least first and second phase windings, a switch, a capacitor, and a diode. The capacitor may have a polarity opposite that of a power source in the control circuit. The first winding may be connected in series with the switch and connected in parallel with a circuit block comprising the second winding. The second winding may be connected in parallel with the capacitor and in series with the diode. In operation, the switch may be used to redirect current from the first winding to the second winding. The capacitor can become charged by the redirected current until it eventually stores enough energy to essentially discontinue current flow in the first winding. Then, the capacitor can discharge its stored energy as a current through the second winding. In this manner, substantially all of the energy from the first winding can be transferred to the second winding.

Abstract translation: 提供了一种用于多相开关磁阻电机的改进的单开关控制电路。 控制电路至少包括第一和第二相绕组，开关，电容器和二极管。 电容器可以具有与控制电路中的电源的极性相反的极性。 第一绕组可以与开关串联连接并且与包括第二绕组的电路块并联连接。 第二绕组可以与电容并联并与二极管串联。 在操作中，开关可以用于将电流从第一绕组重定向到第二绕组。 电容器可以通过重定向的电流充电，直到其最终存储足够的能量来基本上中断第一绕组中的电流。 然后，电容器可以通过第二绕组将其存储的能量作为电流放电。 以这种方式，来自第一绕组的基本上所有的能量可以传递到第二绕组。

公开(公告)号：US07852038B2

公开(公告)日：2010-12-14

申请号：US11950952

申请日：2007-12-05

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P23/00 ,  H02P25/00 ,  H02P27/00

CPC classification number: H02P25/04 ,  H02P25/089 ,  H02P25/092

Abstract: An improved single-switch control circuit for use in a multi-phase switched reluctance machine is provided. The control circuit includes at least first and second phase windings, a switch, a capacitor, and a diode. The capacitor may have a polarity opposite that of a power source in the control circuit. The first winding may be connected in series with the switch and connected in parallel with a circuit block comprising the second winding. The second winding may be connected in parallel with the capacitor and in series with the diode. In operation, the switch may be used to redirect current from the first winding to the second winding. The capacitor can become charged by the redirected current until it eventually stores enough energy to essentially discontinue current flow in the first winding. Then, the capacitor can discharge its stored energy as a current through the second winding. In this manner, substantially all of the energy from the first winding can be transferred to the second winding.

Abstract translation: 提供了一种用于多相开关磁阻电机的改进的单开关控制电路。 控制电路至少包括第一和第二相绕组，开关，电容器和二极管。 电容器可以具有与控制电路中的电源的极性相反的极性。 第一绕组可以与开关串联连接并且与包括第二绕组的电路块并联连接。 第二绕组可以与电容并联并与二极管串联。 在操作中，开关可以用于将电流从第一绕组重定向到第二绕组。 电容器可以通过重定向的电流充电，直到其最终存储足够的能量来基本上中断第一绕组中的电流。 然后，电容器可以通过第二绕组将其存储的能量作为电流放电。 以这种方式，来自第一绕组的基本上所有的能量可以传递到第二绕组。

公开(公告)号：US07034422B2

公开(公告)日：2006-04-25

申请号：US10995557

申请日：2004-11-24

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02K33/12 ,  H02K16/04 ,  H02K1/24

CPC classification number: H02K1/246 ,  H02K7/09 ,  H02K16/04 ,  H02K19/103 ,  H02K21/12

Abstract: A rotor for an electrical motor may include a plurality of salient radial field rotor poles and a plurality of salient axial field rotor poles. The radial field rotor poles and the axial field rotor poles are respectively oriented on the rotor to receive or convey substantially perpendicular flux fields. Additionally, the radial field rotor poles may include both inner and outer peripheral rotor poles for communicating radial flux fields with separate coaxial stators.

Abstract translation: 用于电动机的转子可以包括多个显着的径向场转子极和多个凸轴向场转子极。 径向场转子极和轴向场转子极分别定向在转子上以接收或输送基本上垂直的磁场。 此外，径向场转子极可以包括用于将径向磁通场与单独的同轴定子连通的内周转子极和外周转子极。

公开(公告)号：US09093943B2

公开(公告)日：2015-07-28

申请号：US13093189

申请日：2011-04-25

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P25/00 ,  H02P25/08 ,  H02K21/44

CPC classification number: H02P25/08 ,  H02K21/44 ,  Y02P80/112

Abstract: A switched reluctance machine having salient stator and rotor poles. Alternating ones of the stator poles having windings and the others having permanent magnets attached on their pole faces. The alternate stator pole windings are provided with polarities that are suitable for unidirectional and bidirectional current operation of the switched reluctance machine. The alternate poles with permanent magnets in the switched reluctance machines can have also concentric windings placed on them and excited with currents to further augment the flux linkages in the stator poles. The windings on the poles with permanent magnets can be excited from the same source as the windings on the poles without permanent magnets to enhance power output or provide power factor correction.

Abstract translation: 开关磁阻电机具有凸极定子和转子极。 具有绕组的交替的定子极和其他具有附着在其极面上的永磁体的定子极。 替代的定子极绕组具有适合于开关磁阻电机的单向和双向电流操作的极性。 开关磁阻电机中具有永磁体的交替极可以具有放置在它们上的同心绕组，并用电流激励以进一步增大定子极中的磁通。 具有永磁体的磁极上的绕组可以与来自与永磁体上的磁极上的绕组相同的源激励，以增强功率输出或提供功率因数校正。

公开(公告)号：US09054567B2

公开(公告)日：2015-06-09

申请号：US13287207

申请日：2011-11-02

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P6/00 ,  H02K1/24 ,  H02K15/12

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: A power converter having a first switch and a first unidirectional current device that conducts current unidirectionally. The first switch and first unidirectional current device are interconnected such that when interconnected with a dc voltage supply, battery, and first phase winding of an electrical machine: (1) a first operational state exists in which a conductive state of the first switch causes the dc voltage supply to conduct current through the first switch and first phase winding, so as to store energy within the first phase winding and (2) a second operational state exists in which a non-conductive state of the first switch causes the first phase winding to discharge its stored energy by conducting current through the first unidirectional current device and battery, so as to store energy in the battery.

Abstract translation: 具有第一开关和第一单向电流装置的功率转换器，其单向导通电流。 第一开关和第一单向电流装置互连，使得当与电机的直流电压，电池和第一相绕组互连时：（1）存在第一操作状态，其中第一开关的导通状态导致 直流电压供应以通过第一开关和第一相绕组传导电流，以便在第一相绕组内存储能量，以及（2）存在第一操作状态的第二操作状态，其中第一开关的非导通状态导致第一相绕组 通过传导电流通过第一单向电流装置和电池来释放其存储的能量，以便将电能存储在电池中。

公开(公告)号：US08080964B2

公开(公告)日：2011-12-20

申请号：US11718325

申请日：2005-10-31

Applicant: Christopher Allen Hudson ,  Nimal Lobo ,  Krishnan Ramu

Inventor： Christopher Allen Hudson ,  Nimal Lobo ,  Krishnan Ramu

IPC: B25J9/18 ,  G05B19/19

CPC classification number: H02P23/0077

Abstract: A method for collecting operational parameters of a motor may include controlling the energization of a phase winding of the motor to establish an operating point, monitoring operational parameters of the motor that characterize a relationship between the energization control applied to the motor's phase winding and the motor's response to this control, and collecting information of the operational parameters for the operating point that characterizes the relationship between the applied energization control and the motor's response. The collected information characterizing the relationship between the applied energization control and the motor's response may be employed by a neural network to estimate the regions of operation of the motor. And a system for controlling the operation of motor may employ this information, the neural network, or both to regulate the energization of a motor's phase winding during a phase cycle.

Abstract translation: 用于收集电动机的操作参数的方法可以包括控制电动机的相绕组的通电以建立工作点，监测电动机的操作参数，其表征施加到电动机的相绕组的通电控制与电动机的相位绕组之间的关系 响应于该控制，并且收集表征施加的通电控制和电动机响应之间的关系的操作点的操作参数的信息。 通过神经网络可以采集表征所施加的通电控制和电动机响应之间的关系的收集的信息来估计电动机的操作区域。 并且用于控制电动机的操作的系统可以使用该信息，神经网络或两者来调节在相循环期间电动机的相绕组的通电。

公开(公告)号：US20110193507A1

公开(公告)日：2011-08-11

申请号：US12672690

申请日：2008-08-13

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P6/08 ,  H02P27/08

CPC classification number: H02P25/04 ,  H02P25/089 ,  H02P25/092 ,  H02P25/0925

Abstract: A method for controlling a multi-phase motor includes withholding energization of a first phase of the motor for a non-zero period when the first phase's dwell time begins. Energization of the first phase is activated upon the expiration of the non-zero period. Energization of the first phase is deactivated for the remainder of the dwell time at a deactivation time occurring before or at the expiration of the dwell time.

Abstract translation: 一种用于控制多相电动机的方法包括当第一阶段的停留时间开始时，使非电动机的第一相通电非零时间段。 第一阶段的通电在非零时期到期后被激活。 停留时间的剩余时间在第一阶段的通电在停留时间之前或期间停止时发生停用时间。

公开(公告)号：US07579734B2

公开(公告)日：2009-08-25

申请号：US10549800

申请日：2004-03-17

Applicant: Krishnan Ramu ,  Savio Nimal Lobo

Inventor： Krishnan Ramu ,  Savio Nimal Lobo

IPC: H02K17/42

CPC classification number: C12N13/00 ,  A61K9/0009 ,  C12M1/42 ,  C12M3/00 ,  C12M3/006 ,  C12M3/02 ,  C12M35/02 ,  C12M45/07 ,  C12N15/87 ,  H02K1/146 ,  H02K1/246 ,  H02K19/103

Abstract: A TPSRM may include a stator, having a plurality of poles and a ferromagnetic or iron back material, and a rotor having a plurality of poles and a ferromagnetic or iron back material. A current flowing through coils wound around a first set of the plurality of stator poles induces a flux flow through the first set of stator poles and portions of the stator back material during a first excitation phase. A current flowing through coils wound around a second set of the plurality of stator poles induces a flux flow through the second set of stator poles and portions of the stator back material during a second excitation phase. The numbers of stator and rotor poles for this TPSRM are selected such that substantially no flux reversal occurs in any part of the stator back material as a result of transitioning between the first and second excitation phases.

Abstract translation: TPSRM可以包括具有多个极和铁磁或铁背材料的定子，以及具有多个极和铁磁或铁背材料的转子。 在第一激励阶段期间，流过卷绕在第一组多个定子极上的线圈的电流在第一组定子极和定子背材料的部分引起磁通流。 在第二激励阶段期间，流过绕第二组定子极的线圈的电流在第二组定子极和定子背材料的一部分引起磁通流。 选择该TPSRM的定子和转子极数，使得在第一和第二激发相之间的转变的结果，基本上不会在定子背材料的任何部分发生磁通反转。