DEVICE FOR STABILISATION OF ASYNCHRONOUS GENERATOR VOLTAGE Russian patent published in 2008 - IPC H02P9/44 

FIELD: electricity.

SUBSTANCE: invention is related to electrical engineering and is intended for control and stabilisation of voltage of asynchronous generators in wind-driven plants, mini-hydropower plants and independent power supply systems. Device for stabilisation of asynchronous generator voltage contains asynchronous generator with outlets for connection of load, three single-phase transformers with primary and secondary windings, excitation condensers, three single-type analog controllers of excitation that contain diode bridge, control element, for instance, IGBT transistor, amplifier, null device. The first outlets of primary windings and the primary outlets of secondary windings of single-phase transformers are connected with outlets for connection of asynchronous generator load, the second outlets of secondary windings are connected to excitation condensers, the second outlets of primary windings via diode bridges of single-type analog controllers of excitation are connected with zero wire N of asynchronous generator and condensers of excitation; "plus" and "minus" of diode bridges are connected to control elements, and their outlets via amplifier and zero device are connected to phase outlets of asynchronous generator.

EFFECT: increase of output voltage quality.

1 dwg