| 摘要 |
FIELD: converter engineering; controlling thyristor voltage regulators in starting induction-motor drives. ^ SUBSTANCE: proposed system has sync signal source, two relay units, adder, integrator, control pulse shaper, voltage regulator, integrator, and three-phase voltage supply. Newly introduced in proposed system are first rectifier and first limiting amplifier, as well as series-connected second rectifier and second limiting amplifier. Inputs of rectifiers are connected to three-phase voltage supply and outputs of limiting amplifiers, to power terminals of first relay unit. Power terminals of limiting amplifiers are connected to output of voltage regulator. ^ EFFECT: enhanced precision and operating reliability. ^ 1 cl, 19 dwg |
