Ka Hong Loo
Ka Hong Loo
Associate Professor, The Hong Kong Polytechnic University
Verified email at polyu.edu.hk - Homepage
TitleCited byYear
Bilevel current driving technique for LEDs
WK Lun, KH Loo, SC Tan, YM Lai, KT Chi
IEEE Transactions on Power Electronics 24 (12), 2920-2932, 2009
1352009
On driving techniques for LEDs: Toward a generalized methodology
KH Loo, WK Lun, SC Tan, YM Lai, KT Chi
IEEE transactions on power electronics 24 (12), 2967-2976, 2009
1262009
On the color stability of phosphor-converted white LEDs under DC, PWM, and bilevel drive
KH Loo, YM Lai, SC Tan, KT Chi
IEEE Transactions on Power Electronics 27 (2), 974-984, 2010
822010
Design and analysis of $ LCC $ resonant network for quasi-lossless current balancing in multistring AC-LED array
KH Loo, YM Lai, KT Chi
IEEE transactions on power electronics 28 (2), 1047-1059, 2012
462012
Apparatus and methods for providing a payment system over a network
JD Polk, JK Selway, JF Kach
US Patent 7,739,195, 2010
412010
Color control system for RGB LED with application to light sources suffering from prolonged aging
SK Ng, KH Loo, YM Lai, KT Chi
IEEE Transactions on Industrial Electronics 61 (4), 1788-1798, 2013
382013
A theoretical study of inlet relative humidity control in PEM fuel cell
KH Wong, KH Loo, YM Lai, SC Tan, KT Chi
international journal of hydrogen energy 36 (18), 11871-11885, 2011
382011
A generalized droop-control scheme for decentralized control of inverter-interfaced microgrids
F Luo, YM Lai, KH Loo, KT Chi, X Ruan
2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), 1320-1323, 2013
372013
Characterization of the dynamic response of proton exchange membrane fuel cells–a numerical study
KH Loo, KH Wong, SC Tan, YM Lai, KT Chi
International journal of hydrogen energy 35 (21), 11861-11877, 2010
352010
A dynamic collisional-radiative model of a low-pressure mercury-argon discharge lamp: A physical approach to modeling fluorescent lamps for circuit simulations
KH Loo, GJ Moss, RC Tozer, DA Stone, M Jinno, R Devonshire
IEEE Transactions on Power Electronics 19 (4), 1117-1129, 2004
332004
A dynamic conductance model of fluorescent lamp for electronic ballast design simulation
KH Loo, DA Stone, RC Tozer, R Devonshire
IEEE Transactions on Power Electronics 20 (5), 1178-1185, 2005
292005
Systematic derivation of a family of output-impedance shaping methods for power converters—A case study using fuel cell-battery-powered single-phase inverter system
L Cao, KH Loo, YM Lai
IEEE transactions on power electronics 30 (10), 5854-5869, 2014
282014
Stationary and adaptive color-shift reduction methods based on the bilevel driving technique for phosphor-converted white LEDs
KH Loo, YM Lai, SC Tan, KT Chi
IEEE transactions on power electronics 26 (7), 1943-1953, 2010
282010
Extension of soft-switching region of dual-active-bridge converter by a tunable resonant tank
M Yaqoob, KH Loo, YM Lai
IEEE Transactions on Power Electronics 32 (12), 9093-9104, 2017
272017
Frequency-adaptive filtering of low-frequency harmonic current in fuel cell power conditioning systems
L Cao, KH Loo, YM Lai
IEEE Transactions on Power Electronics 30 (4), 1966-1978, 2014
272014
An alternative approach to LED driver design based on high-voltage driving
CS Wong, KH Loo, YM Lai, MHL Chow, KT Chi
IEEE Transactions on Power Electronics 31 (3), 2465-2475, 2015
262015
A triple-droop control scheme for inverter-based microgrids
F Luo, YM Lai, KT Chi, KH Loo
IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society …, 2012
232012
Quasi-maximum efficiency point tracking for direct methanol fuel cell in DMFC/supercapacitor hybrid energy system
GR Zhu, KH Loo, YM Lai, KT Chi
IEEE Transactions on Energy Conversion 27 (3), 561-571, 2012
232012
Sequential variable bilevel driving approach suitable for use in high-color-precision LED display panels
SK Ng, KH Loo, SK Ip, YM Lai, KT Chi, KT Mok
IEEE Transactions on Industrial Electronics 59 (12), 4637-4645, 2011
222011
Unity-power-factor control based on precise ripple cancellation for fast-response PFC preregulator
KH Leung, KH Loo, YM Lai
IEEE Transactions on Power Electronics 31 (4), 3324-3337, 2015
212015
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