INTELLIGENT VOLTAGE CONVERTER Russian patent published in 2013 - IPC H02M7/00 H02M7/06 H02J9/06 

FIELD: electricity.

SUBSTANCE: device comprises the main and the reserve AC circuit of 3-50 Hz, 380 V, the first, second and third switchboard, the first, second and third filter, the first and second rectifier, the first and second current sensor, an inverter, a transformer, a group of stabilised DC voltage consumers, a power supply unit, a unit of power switch drivers, a temperature sensor, a voltage sensor, a microcontroller, a control and indication panel, a unit of fans and an external system of remote control and monitoring, the device includes a limiter of start-up current, and the microcontroller is made as capable of monitoring the voltage value of the first and second AC circuit 3-50 Hz, 380 V, monitoring of the current value at the inverter inlet, monitoring of actuation in the unit of protection and the unit of power switch drivers by high current in open thyristors of the inverter, monitoring of the value of voltage and current of consumption by the group of stabilised DC voltage consumers, and with the possibility for control of the first, second and third switchboard, control of the unit of power switch drivers.

EFFECT: higher stability of output DC voltage and reliability of functioning of the proposed intelligent voltage converter during operation in a wide range of environmental temperatures, including minus ones.

2 cl, 1 dwg