IEVref: 131-12-37 ID: Language: en Status: Standard Term: permeance matrix Synonym1: Synonym2: Synonym3: Symbol: Λ Definition: for a set of n magnetic circuit elements forming a magnetic circuit, matrix expressing the magnetic fluxes Φi in the elements in terms of the current linkages Өj of the elements: $\left(\begin{array}{c}{\Phi }_{1}\\ {\Phi }_{2}\\ ⋮\\ {\Phi }_{n}\end{array}\right)=\left(\begin{array}{cccc}{\Lambda }_{11}& {\Lambda }_{12}& \dots & {\Lambda }_{1n}\\ {\Lambda }_{21}& & & ⋮\\ ⋮& & & ⋮\\ {\Lambda }_{n1}& \dots & \dots & {\Lambda }_{nn}\end{array}\right)\cdot \left(\begin{array}{c}{\Theta }_{1}\\ {\Theta }_{2}\\ ⋮\\ {\Theta }_{n}\end{array}\right)$ NOTE 1 – A permeance matrix is always symmetric and positive definite. NOTE 2 – In electromagnetism, the permeance matrix can be defined, for a set of closed paths, as the matrix expressing linear relations between the magnetic fluxes through the surfaces bounded by the paths and the current linkages in the paths. Publication date: 2002-06 Source: Replaces: Internal notes: 2017-06-02: Cleanup - Remove Attached Image 131-12-37.gif CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: