Method for controlling a sluice drive for a sluice, said sluice drive having an electrical machine, operating circuit, sluice drive, and water power plant

摘要

The present invention address the problem of controlling a water sluice gate drive in the event of insufficient power supply. The present invention provides a method for controlling a water sluice gate drive for a water sluice gate wherein the drive has an electric machine, characterized in that the electric machine, has a fan brake, wherein the method comprises the following steps:  disengagement of the fan brake in the event that an insufficient power supply is indicated,  self-actuated operation of the electric machine, wherein the electric machine, is operated in generative island operation in which a rotating field is generated in a self-actuating manner.