Buka transformatora
Testing of Power Transformers
IEEE P57.16 Draft Std (April 2010)
IEC
IEEE C37[1].108-1989 Transformers
Quy trình nghiệm thu TU TI
111118798 ABB Distribution Transformer Handbook
25089565 Relay Coordination Guide
C57.119-2001 STANDARS
STDC53.pdf