Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

permeance
the magnetic analog for conductance, indicating the ease with which magnetic flux will follow a certain path, which can be approximated by calculations based purely on magnetic circuit geometry.
permeance coefficient
the slope of the load line for a magnetic circuit, determined solely by physical geometry of the magnet and permeable materials around it; the ratio of magnetic induction (B) and applied field (H ) at the operating point.