Control device for increasing speed of actuation of an electroma

Details Control device for increasing speed of actuation of an electroma Control device for increasing speed of actuation of an electroma

1984-06-22

1985-12-17

Shoop, Jr., William M.

Electricity: motive power systems

Motor-reversing

Field circuit control

318280, 363 59, 363 60, 363 61, 307110, H02P 122, H02M 306

Patent

active

045594830

ABSTRACT:
The actuation speed of an electromagnetic consumer is increased by means of a charged capacitor which is connected in series with a consumer at such a polarity that its voltage is added to that of the power source. In one embodiment, the capacitor is switched across the power source until it is charged and then it is connected in series with the consumer at such a polarity that its positive pole is grounded while the negative pole is connected to the consumer. In another embodiment, the capacitor is first charged through the electromagnetic consumer and then it is connected with its positive pole to ground and with its negative pole to the consumer.

REFERENCES:
patent: 3147423 (1964-09-01), Du Rocher
patent: 3240958 (1966-03-01), Kerios et al.
patent: 3631259 (1971-12-01), Kiyota
patent: 3778697 (1973-12-01), Link et al.
patent: 3821627 (1974-06-01), Milorancevic
patent: 3997832 (1976-12-01), Tanaka et al.
patent: 4134051 (1979-01-01), Pelchat et al.
patent: 4186436 (1980-01-01), Ishiwatari
patent: 4302804 (1981-11-01), Bader
patent: 4337423 (1982-06-01), Giordano
patent: 4383294 (1983-05-01), Van Sloun
patent: 4404624 (1983-09-01), Yamazaki
GE SCR Manual, 4th ed. 1967.

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