Introduction to IMT Lab. Prof. Kee-Joe Lim [email protected]
School of Electrical Engineering Chungbuk National University
http://www.cbucc.com 2014/1/1 1
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HV Technology I Condition Monitoring and Diagnosis Sensor ; I,
V, PD(AE,UHF) PD measurements and signal processing(GIS, cable, TR,
insulator) Degradation phenomena(tree, tracking, PD) Identification
of PD location Prediction algorithm of remnant life 2
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HV Technology II Material and Design New material and process ;
NC, Eng. Polymer, eco- friendly insulating materials, functional
materials Design of new components with additional
function(insulator, bushing, housing, surge absorber, and etc.)
Evaluation of performances(BD, PD, degradation) Design for
resistance to environment condition 3
HV Technology III Recent Research New technology for arc
extinguishing ; VI, MCCB Hybrid(active) insulation; gas/solid
Nanocomposite for HVDC insulation Eco-friendly insulation
technique; SF6, Recyclable, Insulation design of HVDC apparatus ;
insulator, cable, converter TR, spacer, DCCB, Funding company; HHI,
Hyosung, LSC, LSIS, To be designated as HU(Hyosung-university)
Lab(2012) 5
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6 Magnetic field distribution in arc extinguishing room of MCCB
Space charge distribution in HDPE blended EVA RMF type contactor of
VI (170kV/40kA)
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Piezoelectric ceramics I Piezoelectric ceramics Ceramics for
sensor application Ceramics for high vtg application; ultrasonic
motor, PTR, vibrator, pump Design and Fabrication of devices Design
by FEA and equivalent circuit method Driving and Measurements
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8 (First USM developed in Korea)
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Piezoelectric ceramics II Recent Research Design tool for
annular type ultrasonic motor USM for AF/ for automobile Valveless
piezoelectric pump Piezo actuator for haptic device in smart phone
Funding company; Samsung, H Motors, Jahwa Annular type USMs and its
design tool are applied to the Samsumg DSLR cameras 9
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10 Annular type ultrasonic motorValveless piezoelectric pump
Screw type ultrasonic motor BLT
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11 High torque USM for automobile
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12 Impact type USM for AF of smart phone
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Flat Panel Display Flat type fluorescent lamp for LCD back
light or extreme illumination 10mm th, >80inch(diagonal size)
Principle; Dielectric barrier discharge Inorganic EL panel
Flexible, 1mm th, low power consumption Application; 2 LCD
backlight, Ad. Organic ELD Full color, fast response, low power,
radiative Flat type lamp ;PAT registration and being produced in
company at now. 13
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14 Thickness; 10mm Size; more than 20inch(diagonal) Brightness;
8,000nit(cd/m 2) Uniformity; 97% PAT 10-036938
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Member; Professor 1981.3. Established Lab Prof. Lim have moved
to CBNU from ADD on March 1, 1981 Service for CBNU Dean of Office
of Planning(2003~2004) Dean of IUCF(Industry University Cooperation
Foundation, 2004) Service for Academic Institutes
Vice-president(2003), Auditor(2004), Editor-in-chief(2002),
Director of KIEE(electrical engineers) President(2010),
Editor-in-chief(2001), Director(1995~2001) of KIEEME(electrical and
electronic material engineers) 15
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Member; Professor International academic activities
Founder/Organizer of 1992 Korea-Japan joint conf. on electrical and
electronic materials(May 28, 1992, CBNU) TPC member of 5 th
ICPADM(May, 1997, Seoul) Founder/Organizer of 1999 Asian conf. on
electrical insulation diagnosis( Nov. 18, 1999, CBNU); Prof.
Matsuura(J), Prof. Yan(C) Founder/Co-chairman/organizer of
CMD2006(April, 2006,Changwon); KIEEME,IEEE-DEIS, IET, CIGRE, JIEE,
CES Co-chairman of CMD2008(April, 2008, Beijing) Founder/Organizer
/ Chair of IAC of ICAE(advanced electromaterials) 2011( Nov. 2011,
Jeju); 980papers/23countries Organizer/ Chair of ICAE 2013(Nov.
2013, Jeju); 1100p/25c 16
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Member Alumni(1981~2013) Ph.D. ; 26 MS ; 107 Graduate students
Ph.D.; 9 (incld part time ) MS; 6 17
Equipments for High Voltage Technology Design and simulation
FEM software Maxwell Fabrication Ball mill, sieve, hot press
Ultrasonic disperser Homogenizer(shear mixer) Planetary centrifugal
mixer Measurements HVAC(100kV), HVDC(200kV), impulse source(600kV)
PD detector(3D; n q) Tracking test, Arc test, Treeing test C &
tan meter, High resistance meter Electrometer, Oscilloscope XRD,
SEM and etc. 19
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Equipments for piezoelectric devices Design and simulation FEM
software ATILA ( Magsoft co. ) fabrication Ball mill, sieve
Press(30ton) furnace (1500 C) Silk screen printer measurement Laser
vibrometer, Impedance analyzer, Frequency response analyzer D 33
meter Power amplifier, Function generator Tachometer, Current and
voltmeter, Oscilloscope, thermometer XRD, SEM and etc. 20