FIELD: electricity.
SUBSTANCE: synchronisation devices (SD) include direct A, B, C and inverse 
buses of three-phase voltage system, six integrating deploying converters forming buses 
, six comparators and three units of "2AND" function. Between buses A, B, C and 
, adaptive aperiodic first-order filters are included which are based on system-synchronised integrating deploying converters with time constants dependent on system voltage.
EFFECT: higher interference resistance of synchronisation device for three-phase controlled rectifiers with zero lead.
4 dwg
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