Number | Date | Country | Kind |
---|---|---|---|
9201618 | May 1992 | SEX |
Number | Name | Date | Kind |
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4377834 | Eriksson et al. | Mar 1983 | |
4731689 | Nimmersjo et al. | Mar 1988 | |
5202812 | Shinoda et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
0506035A1 | Sep 1992 | EPX |
9100917-5 | Nov 1992 | SEX |
Entry |
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High-Speed Distance Relaying Using a Digital Computer; Gilcrest et al.; Paper No. 71TP 566-PWR; IEEE Power Engineering Society; May 27, 1971; pp. 1235-1243. |