US 12,013,418 B2
Measuring assembly for detecting a direct current
Klaus Behringer, Igensdorf (DE); Josef Burger, Schmidgaden (DE); Thomas Baer, Fichtenhof (DE); Annemarie Lehmeier, Ursensollen (DE); and Matthias Meier, Poppenricht (DE)
Assigned to Siemens Aktiengesellschaft, Munich (DE)
Appl. No. 17/611,721
Filed by Siemens Aktiengesellschaft, Munich (DE)
PCT Filed May 8, 2020, PCT No. PCT/EP2020/062806
§ 371(c)(1), (2) Date Nov. 16, 2021,
PCT Pub. No. WO2020/229326, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 19174895 (EP), filed on May 16, 2019.
Prior Publication US 2023/0349955 A1, Nov. 2, 2023
Int. Cl. G01R 15/20 (2006.01)
CPC G01R 15/207 (2013.01) 15 Claims
OG exemplary drawing
 
1. A measuring assembly for detecting a direct electric current flowing in an electrical conductor, the measuring assembly comprising:
the electrical conductor;
a current measuring unit including at least two magnetic field sensors configured to detect a magnetic field generated by the direct electric current; and
a filter unit configured to homogenize magnetic fields not generated by the direct electric current in a location of the at least two magnetic field sensors.