BISTABLE INDUCTIVE CURRENT LIMITER Russian patent published in 2010 - IPC H02H9/02 H01L39/16 

FIELD: electrical engineering.

SUBSTANCE: current limiter shield generates circular sector with lower density of critical current J_cr1<J_cr. Limiter features intermediate cut-in threshold current and intermediate inductive resistance R₁=µ₀µn²ωSh_K, where k is empirical factor depending upon shield diametre-to-length ratio; b is the shield wall thickness; µ is the core magnetic inductivity; n is the number of coil turns per unit length; S is the area of coil turn; h_k is the height of the shield circular segment, where J_cr1<J_cr.

EFFECT: higher quality due to additional function, ie preliminary initiation of solenoid section.

3 dwg