Local network station for the low-voltage network for voltage transformation from medium voltage to low voltage and for supplying connected consumers in the low-voltage network, comprising - a medium-voltage connection, - a medium-voltage switchgear, - a low-voltage distribution with a plurality of low-voltage outlets, each of which can be electrically connected to a supply line in the low-voltage network to which at least one consumer can be connected, - a measuring unit for measuring the voltage of the low voltage, and - a three-winding transformer with a high-voltage connection, two low-voltage connections (17, 18), a high-voltage winding, a first low-voltage winding and a second low-voltage winding, and - an adjusting device for adjusting the ratio of the medium voltage to the low voltage, wherein - the high-voltage connection is connected to the medium-voltage connection, - the low-voltage distribution comprises two busbars (11, 12) for connecting the low-voltage outlets, and the first low-voltage connection is connected to the first low-voltage winding and the first busbar, and the second low-voltage connection is connected to the second low-voltage winding and the second busbar, characterized in that - the first busbar is connected to at least one of the low-voltage outlets to which supply lines, predominantly with loads, are connected so that the power flow in the direction of the local network station is negligible in practice; - the adjusting device adapts the ratio of the medium voltage to the low voltage by adjusting the output voltage of the second low-voltage winding in such a manner that the voltage at the second low-voltage connection remains within a predetermined range; - the second busbar is connected to at least one low-voltage outlet to which a supply line with at least one external energy source is connected for feeding in energy so that the power flow in the direction of the local network station is no longer negligible and leads to voltage fluctuations that are outside the predetermined thresholds and make a control necessary. - a medium-voltage connection, - a medium-voltage switchgear, - a low-voltage distribution with a plurality of low-voltage outlets, each of which can be electrically connected to a supply line in the low-voltage network to which at least one consumer can be connected, - a measuring unit for measuring the voltage of the low voltage, and - a three-winding transformer with a high-voltage connection, two low-voltage connections (17, 18), a high-voltage winding, a first low-voltage winding and a second low-voltage winding, and - an adjusting device for adjusting the ratio of the medium voltage to the low voltage, wherein - the high-voltage connection is connected to the medium-voltage connection, - the low-voltage distribution comprises two busbars (11, 12) for connecting the low-voltage outlets, and the first low-voltage connection is connected to the first low-voltage winding and the first busbar, and the second low-voltage connection is connected to the second low-voltage winding and the second busbar, characterized in that - the first busbar is connected to at least one of the low-voltage outlets to which supply lines, predominantly with loads, are connected so that the power flow in the direction of the local network station is negligible in practice; - the adjusting device adapts the ratio of the medium voltage to the low voltage by adjusting the output voltage of the second low-voltage winding in such a manner that the voltage at the second low-voltage connection remains within a predetermined range; - the second busbar is connected to at least one low-voltage outlet to which a supply line with at least one external energy source is connected for feeding in energy so that the power flow in the direction of the local network station is no longer negligible and leads to voltage fluctuations that are outside the predetermined thresholds and make a control necessary.