ADAPTIVE INTEGRATING SYNCHRONISATION DEVICE Russian patent published in 2014 - IPC H02M1/08 H02M7/53846 

FIELD: electricity.

SUBSTANCE: invention relates to the field of electric engineering and may be used in control systems for direct- and alternating-current thyristor converters. Adaptive integrating synchronisation device represents a closed integrating self-oscillating system with the scheme of amplitude-frequency correction. The device contains a source of signal synchronisation (not specified) - input of synchronisation device, the first summator (1), an integrator (2), the second summator (3), a relay element (4), a frequency-to-voltage converter (5), the third summator (6), an amplitude modulator (7) and a reference-voltage source (8). Improvement of the device operational accuracy is attained due to its adaption to frequency of synchronising action in result of automatic regulation of switching threshold for the relay element (4) on account of introduction of the frequency-to-voltage converter (5), the second (3) and the third (6) summators, the amplitude modulator (7) and the reference-voltage source (8).

EFFECT: improving accuracy of operation under conditions of unstable network frequency.

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