Relaying method for protecting a transformer using a...

Details Relaying method for protecting a transformer using a... Relaying method for protecting a transformer using a...

2005-10-25

2005-10-25

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transformer protection

Reexamination Certificate

active

06958894

ABSTRACT:
Disclosed is a relaying method for protecting a transformer by using a difference of current. A decision function, related to the rate of change of a primary current, a secondary current, or a differential current, is used for determining whether a detected abnormal current is due to the inrush or internal fault.

REFERENCES:
patent: 4661877 (1987-04-01), Usui
patent: 4772978 (1988-09-01), Oura et al.
patent: 5014153 (1991-05-01), Wilkerson
patent: 5172329 (1992-12-01), Rahman et al.
patent: 5784233 (1998-07-01), Bastard et al.
patent: 6356421 (2002-03-01), Guzman-Casillas et al.
patent: 6483680 (2002-11-01), Kulidjian et al.
patent: 07193987 (1995-07-01), None

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