Dr. Santoso joined the Department of Electrical and Computer Engineering, the University of Texas at Austin in September 2003.  His research interests include power systems studies (primarily electromagnetic transients, harmonics, and insulation coordination), development of intelligent systems for power systems applications, and renewable energy (system integration of wind farms).  His teaching interests include electromagnetic transients, harmonics, system protections, reactive compensation, and computational methods in power systems.  

Prior to joining the Department, he was a consulting/senior engineer with Electrotek Concepts, Inc. in Knoxville, TN for six years.  He regularly performed a wide variety of power systems studies such as transients and harmonic studies, as well as insulation coordination studies.  Examples of these studies include but not limited to subsynchronous resonance, capacitor switching transients, ferroresonance, breaker TRV (above an below 100 kV) evaluation, lightning protection, arrester sizing, and series capacitor bank protection.

In the past several years, he conducted a number of studies related to wind farm integrations and operations.  In particular, he performed impact studies of wind farm interconnections to the bulk power system from the ancillary service and operation point of views, modeling transient behavior of single and multiple wind turbines, and power quality studies related to wind farm operations.

He was also a lead developer for many intelligent systems algorithms such as capacitor bank switching transient waveform recognition and direction, voltage sag waveform recognition and direction, and radial fault distance estimator.  These algorithms (commercialized as AnswerModule) are embedded in an advanced power quality monitoring platform, Signature Systems. 

He is actively involved in the IEEE Power Engineering Society.  He is a senior member of IEEE and chairs a task force on intelligent system applications to data analysis.  He is also a member of several WGs such as Distributed Resources, Harmonics, and Series Capacitors.  He co-authored a professional series engineering book with Roger C. Dugan, Mark F. McGranaghan, and H. Wayne Beaty, Electrical Power Systems Quality published by McGraw-Hill in 2003.

He earned his BS degree from Satya Wacana Christian University, Salatiga, in 1992, MS and Ph.D degrees from the University of Texas at Austin in 1994 and 1996, respectively.