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    • 2. 发明授权
    • Method for controlling force ripples of a generator
    • 用于控制发电机的力波动的方法
    • EP3010143B1
    • 2017-11-29
    • EP14188843.8
    • 2014-10-14
    • Siemens Aktiengesellschaft
    • Deng, Heng
    • H02P29/00H02M1/084H02J3/38H02P21/00H02P21/05
    • H02P21/05H02J3/386H02P21/22H02P29/50Y02E10/763
    • It is described: a method for providing a harmonic current reference, in particular for controlling force ripples of a generator, the method comprising: Obtaining a first input signal (IN1) indicative for a radial force ripple of a generator; obtaining a second input signal (IN2) indicative for a reference harmonic generator radial force; obtaining a third input signal (IN3) indicative for a tangential force ripple of the generator; obtaining a fourth input signal (IN4) indicative for a reference harmonic generator tangential force; obtaining a fifth input signal (IN5) indicative for an electrical angle of the generator; determining a first internal signal (int1) by filtering the first input signal (IN1) with taking into account the fifth input signal (IN5), the first internal signal (int1) being indicative for a radial force ripple comprising only a first harmonic component at a certain harmonic of a generator current; determining a second internal signal (int2) by filtering the third input signal (IN3) with taking into account the fifth input signal (IN5), the second internal signal (int2) being indicative for a tangential force ripple comprising only a second harmonic component at the certain harmonic of the generator current; determining a first output signal (OUT1) by a first transformation procedure (TP1) making use of the second input signal (IN2) and the first internal signal (int1), the first output signal (OUT1) being indicative for a certain harmonic current reference for a first axle of an synchronous rotating frame; and determining a second output signal (OUT2) by a second transformation procedure (TP2) making use of the fourth input signal (IN4) and the second internal signal (int2), the second output signal (OUT2) being indicative for a certain harmonic current reference for a second axle of the synchronous rotating frame.
    • 3. 发明公开
    • Harmonic current controller
    • Oberschwingungsstromregler
    • EP2750270A1
    • 2014-07-02
    • EP12199476.8
    • 2012-12-27
    • Siemens Aktiengesellschaft
    • Deng, HengYin, Bo
    • H02M1/12H02J3/38H02M7/5387
    • H02J3/38H02J3/386H02M1/12H02M7/53875Y02E10/763
    • It is described a harmonic current controller for controlling harmonic currents being generated by a grid-side converter of a frequency converter. The frequency converter is adapted to convert an electrical input power of a power supply unit having a first frequency into an electrical output power having a second frequency, wherein the electrical output signal is provided to a grid. A grid-side controller is adapted to control the grid side part of the power conversion, wherein, during the conversion, at least some harmonic currents are generated by the grid side converter. The harmonic current controller (100) comprises an input terminal being adapted to receive a first (101) and a second (102) current feedback signal received from a frame transformation of a measured three-phase grid current, and a first (103) and a second (104) harmonic current reference signal for each harmonic current to be controlled, a comparator unit (106) being adapted to compare the first and the second current feedback signal with the first and the second harmonic current reference signal, respectively, wherein the output signals of the comparator unit are a first regulating error signal (107) and a second regulating error signal (108), and a regulating unit (109) being adapted to receive the first regulating error signal (107) and the second regulating error signal (108), to determine a first harmonic voltage control signal (110) and a second harmonic voltage control signal (111) based on the error signals (107, 108), wherein the harmonic current controller (100) is adapted to supply the voltage control signals to a further unit of the grid-side controller in order to control the harmonic currents generated by the grid side converter.
    • 描述了用于控制由变频器的电网侧转换器产生的谐波电流的谐波电流控制器。 变频器适于将具有第一频率的电源单元的电输入功率转换为具有第二频率的电输出功率,其中电输出信号被提供给电网。 电网侧控制器适于控制电力转换的电网侧部分,其中在转换期间,电网侧转换器产生至少一些谐波电流。 谐波电流控制器(100)包括输入端子,其适于接收从测量的三相电网电流的帧变换接收的第一(101)和第二(102)电流反馈信号,以及第一(103)和 用于要控制的每个谐波电流的第二(104)谐波电流参考信号;比较器单元(106),其分别用于将第一和第二电流反馈信号与第一和第二谐波电流参考信号进行比较,其中, 比较器单元的输出信号是第一调节误差信号(107)和第二调节误差信号(108),调节单元(109)适于接收第一调节误差信号(107)和第二调节误差信号 (108),基于所述误差信号(107,108)来确定第一谐波电压控制信号(110)和二次谐波电压控制信号(111),其中所述谐波电流控制器(100)适于 将电压控制信号提供给电网侧控制器的另一单元,以便控制由电网侧转换器产生的谐波电流。
    • 4. 发明公开
    • Current controller and generator system
    • Stromregler和发电机系统
    • EP2672624A1
    • 2013-12-11
    • EP12170821.8
    • 2012-06-05
    • Siemens Aktiengesellschaft
    • Deng, Heng
    • H02P21/12H02M1/084
    • H02P9/00H02M1/084H02P21/12
    • It is described a current controller (560) for controlling plural stator currents (Ia, Ib, Ic) of plural stator windings (113, 115, 117) of an electrical machine (111, 211, 212), in particular generator, wherein the plural windings are separately connectable to a converter (119, 219, 220, 519), the current controller comprising: a positive-sequence current controller (601) configured for providing a first voltage command (631), in particular in a rotating dq+ frame, based on the plural stator currents (Ia, Ib, Ic); a negative-sequence current controller (603) configured for providing a second voltage command (639), in particular in the dq+ frame, based on the plural stator currents (Ia, Ib, Ic); a summation system (641) for adding the first voltage command and the second voltage command to obtain a summed voltage command (643, Vd, Vq) based on which the converter (119, 219, 220, 519) is controllable.
    • 描述了一种电流控制器(560),用于控制电机(111,211,212),特别是发电机的多个定子绕组(113,115,117)的多个定子电流(Ia,Ib,Ic),其中 多个绕组可单独地连接到转换器(119,219,220,519),电流控制器包括:正序电流控制器(601),被配置为提供第一电压命令(631),特别是在旋转dq +帧 基于多个定子电流(Ia,Ib,Ic); 基于多个定子电流(Ia,Ib,Ic),负序电流控制器(603)被配置为提供特别是dq +帧中的第二电压指令(639)。 求和系统(641),用于添加第一电压指令和第二电压指令,以获得基于该转换器(119,219,220,519)可控的相加电压指令(643,Vd,Vq)。
    • 9. 发明公开
    • Method and system for controlling a generator
    • Verfahren und System zur Steuerung eines发电机
    • EP2670027A1
    • 2013-12-04
    • EP12170522.2
    • 2012-06-01
    • Siemens Aktiengesellschaft
    • Deng, HengEsbensen, ThomasHoegh, Gustav
    • H02K3/28H02K7/09H02P9/10F03D7/02F03D11/00F16C32/04H02P25/22H02K7/18
    • H02P9/02F03D7/0272F03D9/25F03D80/70F16C32/0444F16C32/0497F16C39/06F16C2360/31H02K7/09H02K7/1838H02P9/10H02P25/22H02P2101/15Y02E10/722Y02E10/723Y02E10/725
    • It is described a method for controlling a generator (115) having a rotor (104) with plural magnets (106) and at least a first stator winding (163) and a second stator winding (165), electrically separate from the first stator winding, the rotor being adapted to rotate, around a rotation axis (160) perpendicular to a radial direction (164), relative to the stator windings, the method comprising: allowing flow of a first electric current (154) through the first stator winding (163), thereby generating a first radial force (167) having a first magnitude and acting between the first stator winding (163) and the rotor (104); allowing flow of a second electric current (156) through the second stator winding (165), thereby generating a second radial force (169) having a second magnitude and acting between the second stator winding (165) and the rotor (104), wherein the first magnitude is different from the second magnitude resulting in a net generator generated radial force (170) generated by the first stator winding and the second stator winding at the rotor.
    • 描述了一种用于控制具有多个磁体(106)和至少第一定子绕组(163)和第二定子绕组(165)的转子(104)的发电机(115)的方法,该第一定子绕组(165)与第一定子绕组 所述转子适于围绕垂直于径向方向(164)的旋转轴线(160)相对于所述定子绕组旋转,所述方法包括:允许第一电流(154)流过所述第一定子绕组( 163),从而产生具有第一大小并且作用在第一定子绕组(163)和转子(104)之间的第一径向力(167); 允许第二电流(156)流过第二定子绕组(165),从而产生具有第二量值并作用在第二定子绕组(165)和转子(104)之间的第二径向力(169),其中 第一幅度不同于第二幅度,导致净发生器产生由第一定子绕组和转子上的第二定子绕组产生的径向力(170)。