BIDIRECTIONAL FREQUENCY RECOVERY TIME TOLERANCE CONTROL DEVICE Russian patent published in 2024 - IPC G01R31/34 

FIELD: measuring equipment.

SUBSTANCE: invention relates to measurement equipment, namely to means of functional diagnostics of electric units with internal combustion engines, and can be used as part of systems for diagnosing the technical state of mobile power plants for estimating the frequency recovery time during load surge and shedding. Device contains generator 1, terminals for connection 2, scaling unit 3, diode 4, limiter-shaper 5, first 6 and second 7 short pulse generators, inverter 8, first 9, second 10, third 11 and fourth 12 logical elements AND, first 13, second 14 and third 15 pulse counters, first 16 and second 17 electronic keys, first 18, second 19 and third 20 memory registers, first 21, second 22 and third 23 numerical comparators, subtractor 24, first 25 and second 26 RS-triggers, first 27 and second 28 setting registers, logical element OR 29, double-address memory unit 30, indicator 31, START bus 32, stable frequency pulse generator 33, pulse divider 34, three-phase active power sensor 35 with digital output, delay element 36, second logical element OR 37, fifth logical element AND 38 and sixth logical element AND 39, third RS-trigger 40 and third short pulse generator 41.

EFFECT: broader functional capabilities.

1 cl, 4 dwg