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A Novel Approach for Ground Fault Detection

BIOGRAPHIES areas of interest include simulation of power systems,
Ratan Das is the Principal Engineer (Application) in the and protective relaying algorithms, applications and
Substation Automation & Protection Division of ABB at testing.
Allentown, PA, where he joined in 1998. He received
his BEE degree with honors from Jadavpur University, Steven A. Kunsman is the Product Technology Manag-
Calcutta, India in 1982. From 1981 to 1992 he worked er in the Substation Automation & Protection Division
for NTPC (an electric power utility in India) in the of ABB at Allentown, PA, where he joined in 1984. He
design, evaluation, testing, and analysis of power sys- graduated from NCC with an AS Design Technology,
tems relaying and control. He joined the Power System Lafayette College with a BSEE and Lehigh University
Research Group of the University of Saskatchewan, with an MBA concentrated in Management of
Canada in 1992 as a research assistant, and received Technology. In 1992, he started in the microproces-
his M.Sc. (1995) and Ph.D. (1998) degrees in Electrical sor Product Development Group and was a core team
Engineering. He holds two patents, and authored and member in the development of the DPU2000 and later
co-authored papers including an invited article for John the 2000/R series product.
Wiley’s online Encyclopedia of Electrical and Electron- He is Member of the IEEE Power Engineering Society,
ics Engineering. a US delegate to the IEC TC57 Working Group 12
He is a senior member of IEEE, a member of IEEE Power developing the IEC 61850 standard and is presently
Systems Relaying Committee, a member of CIGRÉ and an Executive Committee Co-chair for the UCA Interna-
a registered professional engineer in Saskatchewan. His tional Users Group.

Industry Journal 15