Series protection circuit

Details Series protection circuit Series protection circuit

1994-10-28

1996-04-30

Young, Brian K.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

361 56, 361111, H02H 900

Patent

active

055130607

ABSTRACT:
An overvoltage protection circuit for a load having a determined resistance value is connected to a supply line with a predetermined polarity. An overvoltage detector is connected across the line. A first switch, normally on, is located in series with a conductor of the line and is controlled (i.e. switched to the off state) by the detector. A second switch, located in series with a resistance having the same determined value R, is disposed between the line conductors and is controlled by the detector in a complementary manner to the first switch.

REFERENCES:
patent: 3571608 (1971-03-01), Hurd
patent: 4910184 (1990-02-01), Ishii et al.

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