Apparatus for DC/AC power conversion by electromagnetic inductio

Apparatus for detecting short-circuit for use in bi-polar d.c. t

Apparatus for determining active and/or reactive current and/or

Apparatus for discerning faulty switching device

Apparatus for efficient use of a microprocessor to control thyri

Apparatus for electrical power transmission

Apparatus for generating a symmetrical three-phase voltage syste

Apparatus for generating alternating currents of accurately pred

Apparatus for generating positive and negative supply rails from

Apparatus for implementing output voltage slope in current mode

Apparatus for improving stability and dynamic response of...

Apparatus for interconnection in voltage-stiff converter devices

Apparatus for isolated switching power supply with coupled...

Apparatus for isolated switching power supply with coupled...

Apparatus for isolated switching power supply with coupled...

Apparatus for limiting inrush current

Apparatus for maintaining constant frequency in a DC to square w

Apparatus for modifying an electrical signal

Apparatus for noise current reduction in power converters

Apparatus for non-contacting feeding of high frequency power