Power monitor

Details Power monitor Power monitor

1976-10-28

1978-01-10

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 91, 361111, H02H 320

Patent

active

040682790

ABSTRACT:
Electrical power lines connected to loads are monitored by a protective circuit assembly to suppress peak transient voltages and surges by use of a Zener clamping device. Impedance branches connected in parallel with the Zener device share the transient loads when Zener break-down occurs under abnormal conditions. Each impedance branch includes a non-linear resistor arranged to clip voltages at different levels, at least one of the branches having a fixed resistor connected in series with the non-linear resistor.

REFERENCES:
patent: 3518489 (1970-06-01), Musham
patent: 3546572 (1970-12-01), Specht et al.
patent: 4023071 (1977-05-01), Fussell

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