Capacitor equipment

Details Capacitor equipment Capacitor equipment

1975-06-05

1977-04-19

Miller, J D

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361113, 361 52, H02H 720

Patent

active

040190951

ABSTRACT:
In capacitor equipment which includes a series-connection, connected to an alternating voltage network, of two anti-parallel connected thyristors, one capacitor and one reactor, a control device is connected to the control electrode of the thyristors and arranged to ignite the thyristors alternately at times in the vicinity of the peak value of the alternating voltage. A sensing member is provided for sensing an operating magnitude in the series connection and a level-sensing member is connected to the sensing member and to the control device. The level-sensing member influences the control device to produce ignition of both thyristors of the instantaneous value of the operating magnitude falls outside a pre-determined interval.

REFERENCES:
patent: 2099568 (1937-11-01), Metzger
patent: 3548289 (1970-12-01), Liska et al.
patent: 3611043 (1971-10-01), Steen
patent: 3646398 (1972-02-01), Kotos
patent: 3916287 (1975-10-01), Brenneisen et al.

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