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71. 发明公开

EP2914783A4 SWITCHING FREQUENCY MODULATION UTILIZING ROTOR POSITION 审中-公开
标题翻译：开关频率调制基于转子位置
公开(公告)号：EP2914783A4
公开(公告)日：2016-08-10
申请号：EP13851448
申请日：2013-08-22
申请人： CATERPILLAR INC
发明人： NEE BRETT , WILLIAMS JOSHUA
IPC分类号： H02P25/098 , H02P6/10 , H02P23/14 , H02P25/086
CPC分类号： H02P25/098 , H02P6/10 , H02P23/14 , H02P25/0925

72. 发明公开

EP2705600A1 METHOD AND APPARATUS FOR CONTROLLING PULSE-WIDTH MODULATION IN AN ELECTRIC MOTOR 有权
标题翻译：方法和设备控制脉冲宽度调制在电动机中
公开(公告)号：EP2705600A1
公开(公告)日：2014-03-12
申请号：EP11722652.2
申请日：2011-05-03
申请人： Shop VAC Corporation
发明人： NORELL, Neil N.
IPC分类号： H02P6/20 , H02P6/14 , H02P25/08
CPC分类号： H02P6/20 , H02P6/153 , H02P25/0925
摘要： In a method of controlling current in a control circuit of an electric motor, pulse-width modulation (PWM) pulses are applied to a stator of the electric motor, via a plurality of transistors of the control circuit, using a first control mode when a rotational speed of a rotor of the electric motor is within a first range. At least one PWM pulse is applied to the stator, via a subset of the plurality of transistors, using a second control mode when the rotational speed of the rotor is within a second range. When it is determined that the rotational speed of the rotor has changed from being within the second range to being within the first range, additional PWM pulses are applied to the stator such that, for each of the plurality of transistors, a current through the transistor does not exceed a maximum current capacity of the transistor.

73. 发明公开

EP2705451A2 TORQUE BASED ELECTRONIC PULSE WIDTH MODULATION CONTROL SYSTEM FOR A SWITCHED RELUCTANCE MOTOR 有权
标题翻译：用于转矩为主的电子脉宽调制器控制系统开关磁阻电机
公开(公告)号：EP2705451A2
公开(公告)日：2014-03-12
申请号：EP11719140.3
申请日：2011-05-03
申请人： Shop VAC Corporation
发明人： NORELL, Neil, N.
IPC分类号： G06F19/00
CPC分类号： H02P25/0925 , H02P6/153
摘要： Methods and systems of accelerating a brushless, DC electric motor based on torque may include determining a slope based on a maximum torque of the BLDC motor at a lower operating load and a maximum torque of the motor at a higher operating load, determining a period of the rotor based on sensor signals, and determining and applying a phase advance to a PWM pulse for a subsequent revolution of the rotor based on the period and the slope. In some embodiments, the amount of the phase advance is further based on maximum load optimum advance and/or maximum load speed. In some embodiments, a phase dwell is determined based on a positive torque zone and applied to the PWM pulse. In some embodiments, when the motor is operating below a given threshold, fixed-width PWM pulses are applied to subsequent revolutions of the rotor instead of phase-advanced PWM pulses.

74. 发明授权

EP1267480B1 A control strategy for switched reluctance drive systems 有权
标题翻译：对于磁阻电动机的控制方法
公开(公告)号：EP1267480B1
公开(公告)日：2011-11-16
申请号：EP02254171.8
申请日：2002-06-14
申请人： Nidec SR Drives Ltd.
发明人： Tankard, Michael Paul
IPC分类号： H02P25/08
CPC分类号： H02P25/0925

75. 发明授权

EP1208635B1 CONTROL OF AN ELECTRICAL RELUCTANCE MACHINE 有权
标题翻译：驾驶电动磁阻电机
公开(公告)号：EP1208635B1
公开(公告)日：2005-11-02
申请号：EP00954729.0
申请日：2000-08-17
申请人： Black & Decker Inc. , UNIVERSITY OF WARWICK
发明人： POLLOCK, Charles , POLLOCK, Helen Geraldine Phyllis , WALTER, Richard Thomas
IPC分类号： H02P1/16 , H02P5/05
CPC分类号： H02P1/163 , H02P1/16 , H02P25/08 , H02P25/0925

76. 发明授权

EP1208642B1 CONTROL OF AN ELECTRICAL RELUCTANCE MACHINE 有权
标题翻译：电气机械的控制
公开(公告)号：EP1208642B1
公开(公告)日：2005-10-19
申请号：EP00954719.1
申请日：2000-08-17
申请人： Black & Decker , UNIVERSITY OF WARWICK
发明人： Pollock, Charles , Pollock, Helen Geraldine, Phyllis , Walter, Richard Thomas
IPC分类号： H02P7/05 , H02P3/06
CPC分类号： H02P1/163 , H02P1/16 , H02P25/08 , H02P25/0925
摘要： An electrical machine comprises a rotor without windings, a stator having an armature winding (24, 25) and a field winding (10) for generating a magnetomotive force in a direction extending transversely of the magnetomotive force generated by the armature winding. An electronic circuit (40) is provided for controlling the current in the armature winding (24, 25) such that periods in which a magnetomotive force in one direction is associated with a first current pulse alternate with periods in which a magnetomotive force in the opposite direction is associated with a second current pulse. A position sensor is provided for monitoring the rotational position of the rotor and for supplying output signals at a rate dependent on the speed of rotation of the rotor. Furthermore a control system supplies control signals to the circuit (40) to control the current in the armature winding (24, 25) in response to the output signals. The control system uses a control signal of extended duration at the beginning of the first current pulse on start-up of the motor from rest as compared with the duration of the control signals produced over the remainder of the first current pulse during acceleration of the rotor. Such an arrangement produces efficient starting from rest, and enables control of acceleration, no-load speed, loaded torque-speed characteristics of the machine to be achieved with simple on-off control of armature and field switching devices, so that the control circuitry can be produced at relatively low cost. Simplification of the control circuitry is further ensured by the fact that such control can be affected without current sensing.
摘要翻译：一种电机包括一个无绕组的转子，一个具有电枢绕组（24,25）和一个励磁绕组（10）的定子，用于在横向于由电枢绕组产生的磁势的方向上产生磁动势。提供电子电路（40），用于控制电枢绕组（24,25）中的电流，使得一个方向上的磁动势与第一电流脉冲相关联的时段与其中相反的磁动势方向与第二电流脉冲相关联。提供位置传感器用于监控转子的旋转位置并且以取决于转子旋转速度的速率提供输出信号。此外，控制系统响应于输出信号向电路（40）提供控制信号以控制电枢绕组（24,25）中的电流。与在转子加速期间在第一电流脉冲的剩余部分上产生的控制信号的持续时间相比，控制系统在电动机起动时的第一电流脉冲开始时使用延长持续时间的控制信号。这种布置从静止开始有效地起动，并且通过电枢和现场开关装置的简单的通断控制，能够实现机器的加速，空载转速，负载转矩 - 速度特性的控制，使得控制电路能够以较低的成本生产。控制电路的简化进一步得到保证，因为这种控制可以在没有电流感测的情况下受到影响。

77. 发明授权

EP1214778B1 ANORDNUNG ZUM SCHUTZ EINER EINEN INDUKTIVEN VERBRAUCHER SCHALTENDEN LEISTUNGSHALBLEITER-ENDSTUFE 有权
标题翻译：安排保护电感顾客转换器端电力半导体晶体管放大器的
公开(公告)号：EP1214778B1
公开(公告)日：2005-05-04
申请号：EP00960316.8
申请日：2000-07-25
申请人： ROBERT BOSCH GMBH
发明人： KESSLER, Martin , KOCH, Stefan
IPC分类号： H02P7/05
CPC分类号： H02P25/0925 , Y10S388/903
摘要： The invention relates to an arrangement for the protection of an output stage of a power semiconductor which connects and disconnects an inductive consumer to a direct current power supply voltage, depending on a control signal. Protection against induction voltages can be achieved without a freewheeling diode in that the induction voltage which occurs when the inductive consumer is disconnected can be transformed and transmitted to a supplementary inductance which is loaded with a resistance or is coupled in reverse direction flow to the direct current power supply voltage.

78. 发明授权

EP0801464B1 Current shaping in reluctance machines 失效
标题翻译：目前在Reluktanzmachinen整形
公开(公告)号：EP0801464B1
公开(公告)日：2003-12-03
申请号：EP97302229.6
申请日：1997-04-01
申请人： SWITCHED RELUCTANCE DRIVES LIMITED
发明人： Mchugh, Paul Malachy
IPC分类号： H02P7/05 , H02P5/05
CPC分类号： H02P25/0925

79. 发明公开

EP1219012A1 ENSEMBLE MOTEUR A COMMUTATION ELECTRONIQUE, DISPOSITIF D'ALIMENTATION DUDIT MOTEUR ET ASPIRATEUR ELECTRIQUE EQUIPE DUDIT ENSEMBLE 有权
标题翻译：安排电子换向电机，设备此引擎供给与电动吸尘器，这种安排
公开(公告)号：EP1219012A1
公开(公告)日：2002-07-03
申请号：EP00964341.2
申请日：2000-09-21
申请人： SEB S.A.
发明人： HERRADA, José , DANCER, Paul
IPC分类号： H02P6/14 , H02P7/05
CPC分类号： H02P6/14 , H02P25/0925
摘要： The invention concerns an electric motor with electronic switch, such as a motor without collector and a device powering said motor from alternating voltage source network with maximum peak (Emax), consisting of: a rectifier bridge (2) connected to the alternating voltage network; a capacitive filter connected in output of the rectifier bridge, consisting of at least a capacitor of capacitance C; a voltage inverter (4) connected to the terminals of the capacitive filter (C), and comprising at least a static switch (T1, T2, T3; T4), each switch being capable of supporting a maximum voltage VCE0 between its terminals; a motor with electronic switch of nominal power P, and having a phase inductance of value L. The invention is characterised in that the capacitance C of the capacitive filter is greater than formula (I) and less than formula (II).

80. 发明公开

EP1214778A1 ANORDNUNG ZUM SCHUTZ EINER EINEN INDUKTIVEN VERBRAUCHER SCHALTENDEN LEISTUNGSHALBLEITER-ENDSTUFE 有权
标题翻译：安排保护电感顾客转换器端电力半导体晶体管放大器的
公开(公告)号：EP1214778A1
公开(公告)日：2002-06-19
申请号：EP00960316.8
申请日：2000-07-25
申请人： ROBERT BOSCH GMBH
发明人： KESSLER, Martin , KOCH, Stefan
IPC分类号： H02P7/05
CPC分类号： H02P25/0925 , Y10S388/903
摘要： The invention relates to an arrangement for the protection of an output stage of a power semiconductor which connects and disconnects an inductive consumer to a direct current power supply voltage, depending on a control signal. Protection against induction voltages can be achieved without a freewheeling diode in that the induction voltage which occurs when the inductive consumer is disconnected can be transformed and transmitted to a supplementary inductance which is loaded with a resistance or is coupled in reverse direction flow to the direct current power supply voltage.

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