[2003]10_11 야유회02

[2003]07_13 치악산전력전자학회03

[2007]02_01 랩MT03

[2004]PESC04: Aachen, Germany - 03

[2002]11_23 랩야유회산림박물관

[2007] PESC07: Orlando, Florida, USA - 05

[2007] PESC07: Orlando, Florida, USA - 03

[2003]07_13 치악산전력전자학회02

[2006]PESC06: Jeju, Korea - 06

[2004]04_24 금수봉02

[2008] PESC08: Rhodes, Greece - 02