It is proved by test and theoretical analyses that the essence of initiating system for Model QB-1 igniter is based on current mutual inductance principle, which gives theoretical guides to improving the igniter and modifying the join methods for circuits.

Switched inductor has been successfully em-ployed in DC/DC converters and opened the way to build the converters with high power density.

The electric control system design method of current transformer winding machine;

Research on magnetic field of current transformer under non uniformly-distributed equal Ampere-turns test;

New study on the principle of air gapped core current transformer;