VOLTAGE IMBALANCE AMPLITUDE CONTROL UNIT Russian patent published in 2015 - IPC H02H3/00 H02H3/87 H02H7/12 

FIELD: electricity.

SUBSTANCE: voltage imbalance amplitude control unit contains the following series connected elements - the first demodulator, the first smoothing filter, and also the first threshold element, while the input of the first demodulator is connected to the first input terminal of the device, the second and third input terminals of the device, the output terminal. According to the invention the following is added - series connected second demodulator and second smoothing filter, series connected third demodulator and third smoothing filter, and also the first, second and third adders, the first the second and third threshold elements, 3AND gate, while the input of the second and third demodulator is connected to the second and third input terminal of the device respectively, the output of 3AND gate is connected to the output terminal of the device, the output of the first smoothing filter is connected to the first input of the first adder and connected to the second input of the third adder, the output of the second smoothing filter is connected to the first input of the second adder and is connected to the second input of the first adder, an output third smoothing filter is connected to the first input of the third adder and is connected to the second input of the second adder, an output of the first, second and third adders are connected to the inputs of the first, second and third threshold elements respectively, and outputs of threshold elements are connected to the respective input of 3AND gate.

EFFECT: improved accuracy of operation and expansion of functional capabilities of a device.

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