ELECTROINDUCTIVE APPARATUS USED FOR CONTROL OF REACTIVE POWER Russian patent published in 1997 - IPC

FIELD: electroinductive apparatus for control of reactive power with a linear flux-current characteristic is intended for power supply systems of industrial enterprises. SUBSTANCE: the apparatus uses high-voltage supply-line winding 1, which accommodates ferromagnetic rod 2; low-voltage control windings 3 are symmetrically arranged along the rod relative to the ends, each control winding is connected to switching device 4 of its own and grounded. The control windings may have a single turn (all of them) or have a different number of turns (a to 3), the number of turns in the windings increases from the rod end to its middle. The control windings may be made of sheet conductor or multicore cable. EFFECT: reduced cost and enhanced reliability due to the use of cheap low-voltage switching devices. 5 cl, 2 dwg