TRANSFORMER RESOURCE COUNTER AT TWO-TRANSFORMER SUBSTATION (VERSIONS) Russian patent published in 2017 - IPC G06F17/18 

FIELD: measuring equipment.

SUBSTANCE: first counter embodiment comprises the first 1 and the second 2 current sensors (CS) of the first and the second transformers, a two-input analogue switch (AS) 3, an input transducer (IT) 4, an ambient temperature sensor (ATS) 5, a generator 6 of rectangular pulses (GRP), a microcontroller (MC) 7, the first-third transceivers 8-10, a digital indicator (DI) 11, a permanent read-only memory (ROM) 12, a computer 13. The second counter embodiment includes the first 14 and the second temperature sensors 15 of the hottest winding point of the first and the second transformers, a GRP 16, a MC 17, the first-third transceivers 18-20, a DI 21, a ROM 22, a computer 23. The third counter embodiment includes the first 24 and the second 25 CS of the first and the second transformers, an AS 26, an IT 27, the first 28 and the second 29 temperature sensors, a GRP 30, a MC 31, the first-third transceivers 32-34, a DI 35, a ROM 36, a computer 37.

EFFECT: providing simultaneous monitoring and recording the resources of two transformers.

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