This paper deals with the design and construction of accurate Rogowski coils for the measurement of high transient currents. By means of the mutual partial inductance method, the shape of cylindrical structures applicable to the coil is analytically derived to ensure a given accuracy of the transducer, independently of the position, tilt and path of the primary wire. To this purpose, different coil configurations with the same number of turns, internal radius and cross-section area of the torus are considered and together to the defined cylindrical accessories, they are constructed by a commercial 3D printer.
Design of accurate rogowski coil for high transient currents
Mirko Marracci;Bernardo Tellini
2019-01-01
Abstract
This paper deals with the design and construction of accurate Rogowski coils for the measurement of high transient currents. By means of the mutual partial inductance method, the shape of cylindrical structures applicable to the coil is analytically derived to ensure a given accuracy of the transducer, independently of the position, tilt and path of the primary wire. To this purpose, different coil configurations with the same number of turns, internal radius and cross-section area of the torus are considered and together to the defined cylindrical accessories, they are constructed by a commercial 3D printer.File in questo prodotto:
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