Control facility for a DC link converter, - wherein the DC link converter has a DC link, in which a DC link capacitor is arranged, - wherein the DC link converter has at least one feed converter via which electrical energy from a supply network is fed into the DC link, - wherein the DC link converter has at least one load converter via which electrical energy from the DC link is supplied to a useful load, - wherein the DC link converter has at least one buffer converter via which a kinetic energy store is coupled to the DC link for bidirectional energy exchange, - wherein the control facility controls the feed converter, the load converter and the buffer converter, - wherein the control facility implements a first voltage regulator in which, on the basis of a desired voltage (U*) and an actual voltage that drops across the DC link capacitor, a desired current (I*) is determined for the feed converter and by which the feed converter is actuated accordingly, - wherein the control facility implements a speed regulator in which, on the basis of a desired speed (ω*) and an actual speed (ω) of the kinetic energy store, a first desired moment component (M1*) is determined for the kinetic energy store, characterised in that - the control facility implements a power regulator, which, on the basis of an actual power (P ALM) determined at least partially by the feed converter, determines a power-based desired moment component (M3*) for the kinetic energy store, - wherein the first and the power-based desired moment component (M1*, M3*) are added to form a desired moment (M*) and the buffer converter is actuated accordingly, - wherein a target value of the power regulator is zero, - wherein the actual power (P ALM) is formed on the basis of the actual voltage and the desired current (I*) or on the basis of the actual voltage and an actual current directed through the feed converter. - wherein the DC link converter has a DC link, in which a DC link capacitor is arranged, - wherein the DC link converter has at least one feed converter via which electrical energy from a supply network is fed into the DC link, - wherein the DC link converter has at least one load converter via which electrical energy from the DC link is supplied to a useful load, - wherein the DC link converter has at least one buffer converter via which a kinetic energy store is coupled to the DC link for bidirectional energy exchange, - wherein the control facility controls the feed converter, the load converter and the buffer converter, - wherein the control facility implements a first voltage regulator in which, on the basis of a desired voltage (U*) and an actual voltage that drops across the DC link capacitor, a desired current (I*) is determined for the feed converter and by which the feed converter is actuated accordingly, - wherein the control facility implements a speed regulator in which, on the basis of a desired speed (ω*) and an actual speed (ω) of the kinetic energy store, a first desired moment component (M1*) is determined for the kinetic energy store, characterised in that - the control facility implements a power regulator, which, on the basis of an actual power (P ALM) determined at least partially by the feed converter, determines a power-based desired moment component (M3*) for the kinetic energy store, - wherein the first and the power-based desired moment component (M1*, M3*) are added to form a desired moment (M*) and the buffer converter is actuated accordingly, - wherein a target value of the power regulator is zero, - wherein the actual power (P ALM) is formed on the basis of the actual voltage and the desired current (I*) or on the basis of the actual voltage and an actual current directed through the feed converter.