| 摘要 |
FIELD: electricity. ^ SUBSTANCE: frequency-phase discriminator includes phase comparison unit (1), logical blocking unit (2), blocking triggers (3),(4), logic device (5), two pulse counters (6, 7), decoder (8), trigger (9) and two digital switches (10, 11). ^ EFFECT: enlarging functional capabilities of frequency-phase discriminator by determining both phase error of pulses of compared frequencies and angular error of in-phase synchronous electric drive. ^ 2 dwg, 2 tbl |
