Electrostatic voltage control circuit

Details Electrostatic voltage control circuit Electrostatic voltage control circuit

1982-02-19

1983-08-30

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

118671, 361 42, 361235, H02H 308

Patent

active

044020309

ABSTRACT:
An improved control circuit for protecting a high voltage DC electrostatic system from arcing by removing the high voltage from the electrostatic system under incipient arcing conditions. A signal having a voltage proportional to the instantaneous high voltage current in the electrostatic system is established. DC components and unwanted noise and unwanted AC components are removed from the signal to leave only signal components relating to the rate of change of the current in the high voltage system and information indicative of incipient arcing conditions. When the remaining signal exceeds a predetermined reference level, high voltage is removed from the electrostatic system.

REFERENCES:
patent: 2509277 (1950-01-01), Ransburg et al.
patent: 2650329 (1953-01-01), Orndoff
patent: 3048498 (1962-01-01), Juvinall et al.
patent: 3641971 (1972-01-01), Walberg
patent: 3851618 (1974-01-01), Bentley
patent: 3875892 (1975-01-01), Gregg et al.
patent: 3894272 (1975-01-01), Bentley
patent: 4075677 (1978-01-01), Bentley
patent: 4187527 (1980-01-01), Bentley

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