Device for the uninterrupted supply of alternating current to consumers

Abstract

Abstract Device for the uninterrupted supply of alternating current, optionally containing an alternating current mains system or a static converter (invertor), a first switch being arranged between the alternating current mains system and the consumers, a second switch being arranged between the consumers and the static converter, in the case of which device, an impedance and a third switch are furthermore arranged between the static converter and the alternating current mains system, and an additional control device is allocated to the static converter with which, in each case, a phase deviation of the alternating voltage of the converter from the voltage of the alternating current mains system can be set, by means of which these alternating voltages are synchronised for parallel operating of the invertor and the alternating current mains system and with which, in the case of a normal power supply to the consumer, a current flowing from the alternating current mains system via the converter, operating as a rectifier, can be set, or can be controlled, for charging a battery, or a current flowing therefrom in the alternating current mains supply via the converter operating as an invertor can be set or can be controlled for discharging the battery (Figures 1 and 3). <IMAGE>

Inventors

• 👤 Michael Dr.-Ing. Clewing

Bibliographic Details