共 2 条
- [1] Study of the ac-ceptable DC current limit in core-form power trans-formers. Picher P,Bolduc L,Dutil A,etc. IEEE Trans.Power Deliv . 1997
- [2] GIC occurrences and GIC testfor 400kV system trans former. Lahtinen M,Elovaara J. IEEE Trans.Power Deliv . 2002