Electromagnetic three-phase current choke coil for use in a power system having three phases (U, V, W), comprising a ferromagnetic choke core , three primary windings (L1, L2, L3) and two circuit-balancing windings (S1, S2), wherein the ferromagnetic choke core has: - three core members each having one of the three primary windings (L1, L2, L3) of one of the phases (U, V, W), and - two return flow members for guiding an asymmetrical magnetic component, wherein the two return flow members are wound in a passive manner, wherein the three core members each have one of the primary windings (L1, L2, L3) for receiving one of the phases (U, V, W) in each case, and the two return flow members are in each case wound in a passive manner with one of the circuit-balancing windings (S1, S2), characterised in that the circuit-balancing windings (S1, S2) are connected to each other in the same direction in series to form a closed circuit without active power supply, in particular in such a manner that - the two circuit-balancing windings (S1, S2) of the two return flow members are wound and connected to each other in series connection in such a manner that - a first changing magnetic flux (Φ 1 ) in a first of the two return flow members induces, with a first direction or circulation direction with respect to a magnetic circuit of the three-phase current choke coil via the circuit-balancing windings, which are connected to each other, in the second of the two return flow members a second magnetic flux (Φ 2 ) with a second direction or circulation direction with respect to the magnetic circuit which is opposed to the first direction or circulation direction. - three core members each having one of the three primary windings (L1, L2, L3) of one of the phases (U, V, W), and - two return flow members for guiding an asymmetrical magnetic component, wherein the two return flow members are wound in a passive manner, wherein the three core members each have one of the primary windings (L1, L2, L3) for receiving one of the phases (U, V, W) in each case, and the two return flow members are in each case wound in a passive manner with one of the circuit-balancing windings (S1, S2), characterised in that the circuit-balancing windings (S1, S2) are connected to each other in the same direction in series to form a closed circuit without active power supply, in particular in such a manner that wherein the two return flow members are wound in a passive manner, wherein the three core members each have one of the primary windings (L1, L2, L3) for receiving one of the phases (U, V, W) in each case, and the two return flow members are in each case wound in a passive manner with one of the circuit-balancing windings (S1, S2), characterised in that the circuit-balancing windings (S1, S2) are connected to each other in the same direction in series to form a closed circuit without active power supply, in particular in such a manner that - the two circuit-balancing windings (S1, S2) of the two return flow members are wound and connected to each other in series connection in such a manner that - a first changing magnetic flux (Φ 1 ) in a first of the two return flow members induces, with a first direction or circulation direction with respect to a magnetic circuit of the three-phase current choke coil via the circuit-balancing windings, which are connected to each other, in the second of the two return flow members a second magnetic flux (Φ 2 ) with a second direction or circulation direction with respect to the magnetic circuit which is opposed to the first direction or circulation direction. <EOS>