A control arrangement of a multiple-stator machine, 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 the controllers (1_1, 1_2) are configured to exchange compensation current values (I dq_comp1, I dq_comp2) in the event of an open-circuit fault in a power switch of one or more of the frequency converters (20_1, 20_2),and wherein each controller (1_1, 1_2) of a frequency converter (20_1, 20_2) comprises a current control module and is configured to generate control signals (120_1, 120_2) for that frequency converter (20_1, 20_2) on the basis of current values (I dq1, I* dq1, I dq2, I* dq2) relating to that stator, and - in the event of an open-circuit fault in that frequency converter: 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 another frequency converter: to receive a compensation current value (I dq_comp1, I dq_comp2) from the current control module of that other frequency converter; and - to compute a voltage reference (V* dq1, V* dq2) for a subsequent transform stage 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). wherein the controllers (1_1, 1_2) are configured to exchange compensation current values (I dq_comp1, I dq_comp2) in the event of an open-circuit fault in a power switch of one or more of the frequency converters (20_1, 20_2),and wherein each controller (1_1, 1_2) of a frequency converter (20_1, 20_2) comprises a current control module and is configured to generate control signals (120_1, 120_2) for that frequency converter (20_1, 20_2) on the basis of current values (I dq1, I* dq1, I dq2, I* dq2) relating to that stator, and - in the event of an open-circuit fault in that frequency converter: 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 another frequency converter: to receive a compensation current value (I dq_comp1, I dq_comp2) from the current control module of that other frequency converter; and - to compute a voltage reference (V* dq1, V* dq2) for a subsequent transform stage 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). - in the event of an open-circuit fault in that frequency converter: 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 another frequency converter: to receive a compensation current value (I dq_comp1, I dq_comp2) from the current control module of that other frequency converter; and - to compute a voltage reference (V* dq1, V* dq2) for a subsequent transform stage 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).