Magnetic amplifier

Magnetic material biasing method and apparatus

Means for controlling a forced commutated ac-to-dc electric rect

Means for controlling a forced commutated hybrid a-c to d-c elec

Medium voltage inverter system

Method and apparatus for a variable frequency inverter system ha

Method and apparatus for balancing flux in a power transformer c

Method and apparatus for controlling a DC-DC converter

Method and apparatus for controlling a static converter at an as

Method and apparatus for controlling the alternating voltage of

Method and apparatus for controlling the real and reactive power

Method and apparatus for current limiting of an output of a...

Method and apparatus for detecting a reduction in the input volt

Method and apparatus for detecting an isolated power switch

Method and apparatus for detecting and preventing impending magn

Method and apparatus for determining the control electrode to ca

Method and apparatus for dissipative clamping of an...

Method and apparatus for dissipative clamping of an...

Method and apparatus for measuring fault diagnostics on...

Method and apparatus for operating a pulse frequency converter w