Introduction to IMT Lab.
Prof. Kee-Joe Lim
kjlim@cbnu.ac.kr
School of Electrical Engineering
Chungbuk National University
http://www.cbucc.com
2014/1/1
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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
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HV Technology II
• Material and Design
– New material and process ; NC, Eng. Polymer, ecofriendly 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
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(with AE-pd sensor developed)
19th CIRED
Electronic CT; 20A~20kA, 0.1%
Bushing embedded with v-sensor
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HV Technology III
• Recent Research
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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)
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RMF type contactor of VI
(170kV/40kA)
Space charge distribution in
HDPE blended EVA
Magnetic field distribution in arc
extinguishing room of MCCB
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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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(First USM developed in Korea)
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Piezoelectric ceramics II
• Recent Research
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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
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BLT
Screw type ultrasonic motor
Valveless piezoelectric pump
Annular type ultrasonic motor
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High torque USM for automobile
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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
– 10mmth, >80inch(diagonal size)
– Principle; Dielectric barrier discharge
• Inorganic EL panel
– Flexible, 1mmth, 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.
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PAT 10-036938
Thickness; 10mm
Size; more than 20inch(diagonal)
Brightness; 8,000nit(cd/m2)
Uniformity; 97%
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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)
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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 5th 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
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Member
• Graduate students
– Ph.D.; 9 (incl’d part time )
– MS; 6
• Alumni(1981~2013)
– Ph.D. ; 26
– MS ; 107
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Publication(1981~2011)
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International journal (SCI) ; 33
Domestic journal;
118
Int’l Conf. Proceeding;
209
Domestic Conf. Proceeding; 314
Sub total; 674
• Book;
• Patent;
• R&D Report ;
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Total 745
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Equipments for High Voltage Technology
• Design and simulation
– FEM software – Maxwell
• Fabrication
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Ball mill, sieve, hot press
Ultrasonic disperser
Homogenizer(shear mixer)
Planetary centrifugal mixer
• Measurements
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HVAC(100kV), HVDC(200kV), impulse source(600kV)
PD detector(3D; n-f- q)
Tracking test, Arc test, Treeing test
C & tan d meter, High resistance meter
Electrometer, Oscilloscope
XRD, SEM and etc.
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Equipments for piezoelectric devices
• Design and simulation
– FEM software – ATILA ( Magsoft co. )
• fabrication
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Ball mill, sieve
Press(30ton)
furnace (1500 C)
Silk screen printer
• measurement
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Laser vibrometer, Impedance analyzer, Frequency response analyzer
D33 meter
Power amplifier, Function generator
Tachometer, Current and voltmeter, Oscilloscope, thermometer
XRD, SEM and etc.
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EINA, No.9, Nov.2002
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Bulletin of KIEEME, No.11, Nov. 2002
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http://www.cbucc.com
장동욱근 결혼 축합니다.
CMD2006 국제학술회의에 11편 논문발표
국제저널(SCI)투고 논문 5편 게재확정
전용식(석사과정)결혼
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