A system for controlling power flow between an input to a power converter and an output from the power converter, wherein the input includes a first and a second terminal and the output includes a first and a second terminal, the system comprising: a first voltage rail within the power converter connected to the first terminal of the input; a second voltage rail within the power converter connected to the second terminal of the input; a plurality of legs within the power converter, wherein each leg is connected in parallel to the other legs between the first voltage rail and the second voltage rail and wherein each leg includes at least one switching device configured to be selectively enabled by a control signal (35, 37, 39); a processor configured to: generate a carrier signal at a carrier frequency for a modulation routine; generate the control signal for the at least one switching device in one of the plurality of legs during each carrier period, generate the control signal for a first switching device in a first leg, selected from the plurality of legs, at a first time within each period of the carrier frequency and to generate the control signal for a first switching device for each of the other legs, selected from the plurality of legs, at a time subsequent to the first time within each period of the carrier frequency, wherein a different leg from the plurality of legs is selected as the first leg in the sequence such that the at least one switching device for each of the plurality of legs receives its corresponding control signal first once within a period of a second frequency, characterized in that the second frequency is equal to the carrier frequency divided by the number of legs. a first voltage rail within the power converter connected to the first terminal of the input; a second voltage rail within the power converter connected to the second terminal of the input; a plurality of legs within the power converter, wherein each leg is connected in parallel to the other legs between the first voltage rail and the second voltage rail and wherein each leg includes at least one switching device configured to be selectively enabled by a control signal (35, 37, 39); a processor configured to: generate a carrier signal at a carrier frequency for a modulation routine; generate the control signal for the at least one switching device in one of the plurality of legs during each carrier period, generate the control signal for a first switching device in a first leg, selected from the plurality of legs, at a first time within each period of the carrier frequency and to generate the control signal for a first switching device for each of the other legs, selected from the plurality of legs, at a time subsequent to the first time within each period of the carrier frequency, wherein a different leg from the plurality of legs is selected as the first leg in the sequence such that the at least one switching device for each of the plurality of legs receives its corresponding control signal first once within a period of a second frequency, characterized in that the second frequency is equal to the carrier frequency divided by the number of legs. generate a carrier signal at a carrier frequency for a modulation routine; generate the control signal for the at least one switching device in one of the plurality of legs during each carrier period, generate the control signal for a first switching device in a first leg, selected from the plurality of legs, at a first time within each period of the carrier frequency and to generate the control signal for a first switching device for each of the other legs, selected from the plurality of legs, at a time subsequent to the first time within each period of the carrier frequency, wherein a different leg from the plurality of legs is selected as the first leg in the sequence such that the at least one switching device for each of the plurality of legs receives its corresponding control signal first once within a period of a second frequency, characterized in that the second frequency is equal to the carrier frequency divided by the number of legs.