Advance and retard phase-shift transformer

Apparatus and method for improved power flow control in a...

Apparatus and method for improved power flow control in a...

Apparatus and method for improved power flow control in a...

Apparatus and method for optimization of power flow control...

Apparatus and method for simultaneous provision of power...

Apparatus for determining load currents

Circuit having reduced losses occurring during transforming...

Compensation for power transfer systems using variable rotary tr

Ferroresonant three-phase constant AC voltage transformer arrang

Method for switching low-power using AC and system for...

Method of phase-shifting voltages applied to susceptances interc

Multi-line power flow transformer for compensating power...

Phase angle regulating transformer with a single core per phase

Phase shifter

Phase-shifting transformer system

Power flow control with rotary transformers

Three-phase auto transformer with two tap changers for ratio and

Three-phase to six-phase wye transformer power system

Transformer for the controllable shifting of the phase angle of