AUTOMATIC RESERVE SWITCHING DEVICE Russian patent published in 2017 - IPC H02J3/32 H02J7/34 

FIELD: electricity.

SUBSTANCE: automatic switch-on device consists of a source of non-guaranteed power supply, a backup power source, an automatic network input board, a reliable power bus, a power unit, a comparator and memory unit, an electronic key. New in the device of automatic switching of reserve is the power block, the block of comparison and memory, an electronic key and set of new communications. The proposed device, in comparison with the known one, will allow to increase the speed of the reserve switching and, consequently, to provide electricity to the consumers of group A of the first category, by constantly analyzing the state of the network parameters and including a reserve with the same voltage, frequency and phase values as at the moment of network failure.

EFFECT: provision of uninterrupted power supply for consumers of group A of the first category, taking into account the fixation of the moment of emergency switch-on of the reserve.

3 cl, 3 dwg