Surge delay for current limiter

Details Surge delay for current limiter Surge delay for current limiter

2007-01-30

2007-01-30

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

Reexamination Certificate

active

10915276

ABSTRACT:
A surge current delay time period is added to a current limit delay time period in order to permit a longer time for a possibly temporary larger-than-steady-state electrical current, such as for a start-up power requirement. A system is described for permitting a legitimate surge current by distinguishing true over-current fault conditions from temporary surges in terms of high current duration time.

REFERENCES:
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patent: 4279013 (1981-07-01), Cameron et al.
patent: 4933799 (1990-06-01), Lai
patent: 5170311 (1992-12-01), Zulaski et al.
patent: 5418675 (1995-05-01), Bodenheimer et al.
patent: 5794022 (1998-08-01), Karouji

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