Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Braking
Patent
1981-09-24
1983-06-14
Weldon, Ulysses
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Braking
318269, 318273, 318375, H01P 300
Patent
active
043885691
ABSTRACT:
A system for automatic control of dynamic braking of an independent transport facility comprises an exciting-current regulator of traction motors provided with rotational-speed transducers whose outputs are connected to the input of a traction-motor reactive e.m.f. limiter, and a voltage transducer whose output is coupled to the first input of a traction-motor exciting-current and brake-horse-power limiter formed with three interconnected rectifying bridges, the outputs of the two bridges being connected in accord and coupled to the output of the third bridge and to one input of a comparison unit, while the inputs thereof are connected to an exciting-current transducer and to a braking intensity setter, the second input of the comparison unit being connected through a diode to the traction-motor reactive e.m.f. limiter.
REFERENCES:
patent: 3651388 (1972-03-01), Machin, Jr. et al.
patent: 4103211 (1978-07-01), Gardner et al.
patent: 4196377 (1980-04-01), Boxer
patent: 4243919 (1981-01-01), Brown
patent: 4295086 (1981-10-01), Cutler et al.
Andreev Jury M.
Askinazi Mikhail P.
Kagan Samuil I.
Mashikhin Anatoly D.
Osipov Nikolai A.
Greenspan Myron
Weldon Ulysses
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