CONTROL ARRANGEMENT OF A MULTI-STATOR MACHINE
    5.
    发明公开
    CONTROL ARRANGEMENT OF A MULTI-STATOR MACHINE 审中-公开
    多定子电机的控制布置

    公开(公告)号:EP3223422A1

    公开(公告)日:2017-09-27

    申请号:EP16162139.6

    申请日:2016-03-24

    IPC分类号: H02P9/10 H02P21/05 H02M5/44

    CPC分类号: H02P9/42 H02P9/105 H02P21/05

    摘要: The invention describes a control arrangement (1) of a multiple-stator machine (2), comprising a frequency converter (20_1, 20_2) for each of the plurality of stators and a controller (1_1, 1_2) for each frequency converter (20_1, 20_2), wherein a controller (1_1, 1_2) of a frequency converter (20_1, 20_2) is realized to generate control signals (120_1, 120_2) for that frequency converter (20_1, 20_2) on the basis of current values (I abc1 , I abc2 ) relating to that stator, and to generate a compensation current value (I dq_comp1 , I dq_comp2 ) for a further controller (1_1, 1_2) on the basis of the received current values (I dq1 , I* dq1 , I dq2 , I* dq2 ) in the event of an open-circuit fault in a frequency converter (20_1, 20_2); to receive appropriate input signal (⊝ e ), a compensation current value (I dq_comp1 , I dq_comp2 ) from a further controller (1_1, 1_2); and to compute a voltage reference (V* dq1 , V* dq2 ) for a subsequent transform stage (11) and PWM stage (12) of the controller (1_1, 1_2) on the basis of the received current Values (I dq1 , I* dq1 , I dq2 , I* dq2 , I dq_comp1 , I dq_comp2 ) coming from the reference computation blocks (13, 14). The invention further describes a current control module (10) of a frequency converter controller (1_1, 1_2) of such a multi-stator machine (2); a multi-stator machine (2); and a method of performing fault-tolerant control of a multi-stator machine (2).

    摘要翻译: 本发明描述了多定子机器(2)的控制装置(1),包括用于多个定子中的每一个的变频器(20_1,20_2)以及用于每个变频器(20_1,20_2)的控制器(1_1,1_2) 20_2),其中实现变频器(20_1,20_2)的控制器(1_1,1_2)以基于电流值(Iabc1,Iabc2)为该变频器(20_1,20_2)生成控制信号(120_1,120_2) )与该定子相关联,并且基于接收到的电流值(Idq1,I * dq1,Idq2,I * dq2)为另一个控制器(1_1,1_2)生成补偿电流值(Idq_comp1,Idq_comp2) 变频器(20_1,20_2)中发生开路故障的事件; 从另一个控制器(1_1,1_2)接收适当的输入信号(ee),补偿电流值(Idq_comp1,Idq_comp2); 并且基于接收的电流值(Idq1,I *)计算用于控制器(1_1,1_2)的后续变换级(11)和PWM级(12)的电压基准(V * dq1,V * dq2) dq1,Idq2,I * dq2,Idq_comp1,Idq_comp2)的参考计算块(13,14)。 本发明进一步描述了这种多定子电机(2)的变频器控制器(1_1,1_2)的电流控制模块(10)。 一个多定子机器(2); 以及执行多定子机器(2)的容错控制的方法。

    VARIABLE-SPEED OPERATION CONTROL APPARATUS AND HYDROELECTRIC POWER GENERATION SYSTEM
    7.
    发明公开
    VARIABLE-SPEED OPERATION CONTROL APPARATUS AND HYDROELECTRIC POWER GENERATION SYSTEM 审中-公开
    变量操作控制装置及系统产生电流,水电

    公开(公告)号:EP3059854A1

    公开(公告)日:2016-08-24

    申请号:EP16156134.5

    申请日:2016-02-17

    摘要: According to one embodiment, there is provided a variable-speed operation control apparatus of a hydroelectric power generation system including a power generator (3) interconnected to a power system (P) through a main circuit (11) and a water turbine (4) directly connected to the power generator (3). The apparatus includes a branch circuit (12) branched from the main circuit (11) and including a frequency converter (5) which performs conversion between an output frequency of the power generator (3) and a system frequency of the power system (P), wherein the power generator (3) is interconnected to the power system (P) through the branch circuit (12) when a flow rate of water is less than a fixed level.

    摘要翻译: 。根据一个实施例,提供了一种水力发电系统,包括一个功率发生器(3)通过主电路互连到电力系统(P)(11)和一个水涡轮机的可变速运行控制装置(4) 直接连接到所述发电机(3)。 该装置包括:分支电路(12)从所述主回路(11)支链的并包括频率转换器(5),该电源发生器的输出频率之间进行转换(3)和所述电力系统的系统频率(P) ,worin发电机(3)互连到通过所述分支电路(12)当水的流速是小于一个固定的电平的功率系统(P)。

    ANTRIEBSSYSTEM
    8.
    发明公开
    ANTRIEBSSYSTEM 审中-公开

    公开(公告)号:EP2994993A2

    公开(公告)日:2016-03-16

    申请号:EP14724391.9

    申请日:2014-05-08

    申请人: Lenze Drives GmbH

    IPC分类号: H02P9/00 H02P9/42

    CPC分类号: H02P9/007 H02P9/42

    摘要: A drive system (100) has: a three-phase motor, having: a shaft, a first three-phase winding set (1), having: a three-phase stator winding (1a) for connection to a three-phase alternating voltage network (U, V, W) and a three-phase rotor winding (1b), which is coupled to the shaft in a mechanical, rotationally fixed manner, a second three-phase winding set (2), having: a three-phase stator winding (2a) for connection to the three-phase alternating voltage network (U, V, W) in such a manner that a rotary field is produced that runs in the opposite direction to a rotary field that is produced by means of the stator winding (1a) of the first winding set (1), and a three-phase rotor winding (2b), which is coupled to the shaft in a mechanical, rotationally fixed manner, a first inverter (3), which is coupled to the shaft in a mechanical, rotationally fixed manner and which is coupled electrically to the three-phase rotor winding (1b) of the first winding set (1), and a second inverter (4), which is coupled to the shaft in a mechanical, rotationally fixed manner and which is coupled electrically to the three-phase rotor winding (2b) of the second winding set (2), wherein the first inverter (3) and the second inverter (4) are electrically coupled in such a manner that electrical power can be transmitted between the inverters.

    摘要翻译: 一种驱动系统(100)具有:三相电动机,具有:轴,第一三相绕组组(1),具有:三相定子绕组(1a),用于连接三相交流电压 (U,V,W)和三相转子绕组(1b),所述三相转子绕组(1b)以机械旋转固定方式耦合到所述轴,第二三相绕组组(2)具有:三相 定子绕组(2a)以这样的方式连接到三相交流电压网络(U,V,W),从而产生旋转磁场,该旋转磁场沿着与通过定子产生的旋转磁场相反的方向 第一绕组组(1)的绕组(1a)以及以机械的,抗旋转的方式耦合到所述轴的三相转子绕组(2b);第一逆变器(3),其耦合到所述第一绕组组 (1)的三相转子绕组(1b)电耦合,并且第二逆变器(4)以机械的,旋转固定的方式连接到所述第一绕组 (2)的三相转子绕组(2b)电耦合,其中第一逆变器(3)和第二逆变器(4)以机械旋转固定的方式联接到轴上并且与第二绕组组 )以这样的方式电耦合,即电力可以在逆变器之间传输。