IPEC '97
22 - 24 May 1997
Nanyang Technological University, Singapore
Proceedings of the
International Power
Engineering Conference
Volume II
UNIVERS»TATSBIBUOTHEK
HANNOVER
TECHNISCHE
INFORMATIONSBIBLIOTHEK
Organised by:
" ""
•
Nanyang Technological University
•
The IEE Singapore Centre
•
Singapore Power Ltd.
•
The Institution of Engineers, Singapore
•
The National University of Singapore
UB/TIB Hannover
115 247 173
89
VOLUME II
Energy Management and Load Dispatch
Session 8.1
Load Dispatch
May 22 (Thursday)
LT8 : 2.15 pm - 3.45 pm
Chairman
Professor K P Wong, The University of Western Australia, Australia
Co-Chairman Dr T T Lie, Nanyang Technological University, Singapore
8.1.1
Strategy for undervoltage load shedding in a voltage depressed situation
S Arnborg, G Andersson, Royal Institute of Technology, Sweden
8.1.2
Reprsentation of variable series capacitors in OPF for improved
economic dispatch in power systems
T T Lie, W H Deng, Nanyang Technological University, Singapore
8.1.3
8.1.4
A modification of first order gradient method for solving
power dispatch problem
A A Sallam, Suez canal University, Egypt
M M Ismail, Canal Electric Authority, Egypt
Dynamic generation allocation using fuzzy linear programming
redispatch technique
R H Liang, National Yunlin Institute of Technology, Taiwan
461
467
473
477
8.1.5
Future load curve shaping based on similarity using fuzzy logic approach
T Senjyu, S Higa, Y J Tang, K Uezato, University of the Ryukyus, Japan
483
8.1.6
Economic dispatch using evolutionary programming
K P Wong, J Yuryevich, The University of Western Australia, Australia
489
Session 8.2
Power Optimization
May 23 (Friday)
LT8 : 2.15 pm- 3.45 pm
Chairman
Mr S C Soh, Singapore Power Ltd, Singapore
Co-Chairman Mr T M Lee. Nanyang Technological University, Singapore
8.2.1
Multi-area optimum power flow solutions and applications
C W Yu, A K David, Hong Kong Polytechnic University, Hong Kong
495
8.2.2
An active power optimzation method based on separable programming
Z Yan, Academic Sinica, China
H Y Zhou, B M Zhang, N D Xiang, Tsinghua Univesity, China
T S Chung, Hong Kong Polytechnic University, Hong Kong
501
xiv
8.2.3
Comparison of different methods for power systems observability analysis
H A Shayanfar, N M Tabatabaei, Iran University of Science and Technology, Iran
507
8.2.4
On the auditing of individual generator contributions to optimal
power flows, losses and costs in large, interconnected power networks
513
E Acha, H Ambriz-Perez, C R Fuerte-Esquivel, C S Chua, The University of Glasgow, UK
8.2.5
Application of artificial neural networks to load flow studies
A Sachan, L Pradhan, J Nanda, Indian Institute of Technology, Delhi, India
8.2.6
Determination of outage costs of domestic, commercial and industrial
consumers in Hong Kong
Y L Mok, T S Chung, Hong Kong Polytechnic University, Hong Kong
519
524
Distribution Automation
Session 9.1 Distribution Automation
May 22 (Thursday)
LT6 : 4.15 pm - 5.45 pm
Chairman
Mr M T Chang, Squire Mech., Singapore
Co-Chairman Dr H B Gooi, Nanyang Technological University, Singapore
9.1.1
Reliability evaluation of distribution systems vs the optimal load
transfering using genetic algorithms
D-S Choi, Seoil Junior College, Korea
C-S Kim, Chosun University, Korea
H-S Song, Semyung University, Korea
D H Choi, J C Kim, S H Han, Soong-Sil University, Korea
530
9.1.2
Distribution system reconfiguration for loss minimization
M H Haque, University of South Australia, Australia
M E Khan, Monash University, Australia
536
9.1.3
Parallel solution techniques for solving large sparse algebraic equations
H B Gooi, Y Q Wang, Nanyang Technological University, Singapore
542
9.1.4
Energy savings and peak demand reduction by retrofitting existing
domestic dwellings
C Tran-Cong, A Ahfock, University of Southern Queensland, Australia
548
System Protection
Session 10.1 Transmission Systems Protection
May 22 (Thursday)
LT7 : 4.15 pm - 5.45 pm
Chairman
Professor R K Aggarwal, University of Bath, UK
Co-Chairman Dr W W L Keerthipala, Nanyang Technological University, Singapore
10.1.1 Directional discriminator for teed-circuits using different neural networks.
Q Y Xuan, R K Aggarwal, A T Johns, University of Bath, UK
XV
.554
10.1.2 Real-time fault detection and classification in power transmission
systems using fuzzy-neuro techniques
H S Wang, W W L Keerthipala, Nanyang Technological University, Singapore
10.1.3 HAPP: An expert system for HVDC alarm processing
S Jadid, Iran University of Science and Technology, Iran
A Hermmati, Ghods Niroo Consulting Engineers Co., Iran
10.1.4 Application of associative memory neural network in fault diagnosis
of power system
H L Jiang, Y M Sun, Tianjin University, China
559
565
570
10.1.5 A GPS based scheme for protection of complex transmission system
576
Z Q Bo, J A S B Jayasinge, R J Hewett, R K Aggarwal, A T Johns, University of Bath, UK
10.1.6 Development of an ANN based integrated circuit for power system protection... 581
J Philip, W K Chan, W W L Keerthipala, T W Chan, Nanyang Technological University,
Singapore
Session 10.2 Fault Diagnosis and Identification
May 23 (Friday)
LT7 : 9.00 am - 10.30 pm
Chairman
Dr D B Watson, University of Canterbury, New Zealand
Co-Chairman Mr T W Chan, Nanyang Technological University, Singapore
10.2.1 Third harmonic ground fault protection schemes for generator stator windings .. 587
M Zielichowski, M Fulczyk, Technical University of Wroclaw, Poland
10.2.2. The electrical breakdown path in air between a rod and a plane electrode
D B Watson, University of Canterbury, New Zealand
L Ma, PDL Electronics, New Zealand
10.2.3 Fault diagnosis and restoration of a distribution system using
artificial neural network
A Mohamed, M D A Mazumder, University Kebangsaan Malaysia, Malaysia
593
599
10.2.4 An accurate fault location for transmission line using local and remote signals .. 605
Y P Chen, Q W Gong, F Xu, Wuhan University of Hydraulic & Electric Engg, China
10.2.5 Wavelet application in arcing earth fault detection
T W Chan, Y B Xia, Nanyang Technological University, Singapore
XVI
610
Session 10.3 Plant and Distribution Protection
May 23 (Friday)
LT7 : 2.15 pm - 3.45 pm
Chairman
Mr S C Loy, Singapore Power Ltd, Singapore
Co-Chairman Mr T W Chan, Nanyang Technological University, Singapore
10.3.1 The effect of the reclosing time on torsional torques of turbo-generator shaft
W B Su, University of Bath, UK
B H Zhang, Xi' an Jiao Tong University, China
Z Q Bo, University of Bath, UK
Y Yuan, Xi' an Jiao Tong University, China
R K Aggarwal, A T Johns, University of Bath, UK
616
10.3.2 A proposal for the optimal settings of directional overcurrent relays
K Kawahara, Fukuyama University, Japan
H Sasaki, Hiroshima University, Japan
H Sugihara, Chogohu Electric Power Co., Japan
620
10.3.3 A new busbar protection of principle based on the detection of
fault generated transients
Z Q Bo, R K Aggarwal, A T Johns, P J Moore, University of Bath, UK
10.3.4 Negative effects of generator tripping : Phenomena and mechanisms
Y Xue, Y Chen, Nanjing Automation Research Institute, China
10.3.5 Impact of interfacing wind farms with a distribution system on
voltage control and protection
F Jiang, Singapore Polytechnic, Singapore
S K Salman, The Robert Gordon University, UK
626
631
637
Session 10.4 Intelligent Protection
May 23 (Friday)
LT7 : 4.15 pm - 5.45 pm
Chairman
Dr T T Nguyen, The University of Western Australia, Australia
Co-Chairman Dr D L Waikar, Singapore Polytechnic, Singapore
10.4.1 Optimal bias characteristic for digital current differential protection
643
T T Nguyen, W D Humpage, M A Capogreco, The University of Westerm Australia,
Australia
10.4.2 A novel approach to protecting series compensated lines using
high frequency fault-generated signals
J A S B Jayasinghe, R K Aggarwal, A T Johns, Z Q Bo, University of Bath, UK
648
10.4.3 An adaptive relay setting for the improvement of distance
protection performance
S Jamali, K Bahari, Iran University of Science and Technology, Iran
654
xvn
10.4.4 A new directional relaying principle for distribution line protection
Z Q Bo, R K Aggarwal, A T Johns, University of Bath, UK
10.4.5 Assessment of effect of fault resistance on a new digital distance
relaying algorithm
D L Waikar, Singapore Polytechnic, Singapore
A C Liew, S Elangovan, National University of Singapore, Singapore
660
665
Power Electronics and Drives
Session 11.1 Motor Drives Design
May 22 (Thursday)
LT8 : 4.15 pm - 5.45 pm
Chairman
Dr T S Chung, Hong Kong Polytechnic University, Hong Kong
Co-Chairman Dr F L Luo, Nanyang Technological University, Singapore
11.1.1 AC induction motor four quadrant operation
F L Luo, Nanyang Technological University, Singapore
671
11.1.2 AC traction simulation program with regenerative braking
S L Ho, L M Yeung, Hong Kong Polytechnic University, Hong Kong
677
11.1.3 Turbine characteristic simulation using microcontroller based DC motor drive ... 682
G Chetty, M Cherry, Monash University, Australia
11.1.4 Analysis of torque pulsation due to the pulsating of the DC link
voltage in brushless DC motor drives
F Huang, Ngee Ann Polytechnic, Singapore
687
11.1.5 Effect of motor and inverter parameters on the torque ripple of a
brushlessDC motor
D Ganguly, Bengal Engg. College (Deemed University), India
692
Session 11.2 Power Converters
May 23 (Friday)
LT8 : 9.00 am -10.30 am
Chairman
Professor S J Cheng, Huazhong University of Science and Technology, China
Co-Chairman Dr A I Maswood, Nanyang Technological University, Singapore
11.2.1 Optimized PWM specific harmonic elimination technique for
neural point clamped (NPC) inverter
AI Maswood, J Liu, Nanyang Technological University, Singapore
698
11.2.2 Hysteresis current controlled PWM buck converter for AC/AC voltage control.... 703
K M Rahman, M A Choudhury, Bangladesh University of Engr. and Tech., Bangladesh
M A Rahman, Memorial University of Newfoundland, Canada
xvm
11.2.3 A nine-level voltage source inverter with separate solar power sources
F Huang, Ngee Ann Polytechnic, Singapore
Z M Gao, Sennheiser Electronic Asia Pte. Ltd, Singapore
11.2.4 Implementation of the microprocessor based voltage sags and
interruptions emulator
T-R Chen, National Changhua University of Education, Taiwan
707
711
11.2.5 The studies of GTO-based AC voltage regulator
716
Y P Chen, Y L Sun, L J Fu, Wuhan University of Hydraulic & Electric Engg., China
Z Z Chen, Hengyang Power Supply Bureau, China
Session 11.3 Power Electronics
May 23 (Friday)
LT8 :11.00 am - 12.30 pm
Chairman
Dr S Cherukupalli, Powertech Labs, Canada
Co-Chairman Dr C F Foo, Nanyang Technological University, Singapore
11.3.1 DC power supply using IC computer aided design and testing
A I Maswood, Nanyang Technological University, Singapore
11.3.2 Frequency selective feedback technique for sub-frequency
suppression of naturally commutated cycloconverter
P Syam, P K Nandi, Bengal Engineering College (Deemed University), India
11.3.3 Determination of parasitic impedance of high frequency low
profile planar-type transformer winding
X H Gong, Pepple+Fuch (MFG) Pte Ltd, Singapore
C F Foo, K J Tseng, Nanyang Technological University, Singapore
721
726
732
11.3.4 On the control of advanced static Var generator using SPWM inverter
737
X M Zha, Y P Chen, W Zhou, Wuhan University of Hydraulic & Electric Engg, China
Session 11.4 Motor Drives Control
May 23 (Friday)
LT8 : 4.15 pm - 5.45 pm
Chairman
Dr K S Lock, National University of Singapore, Singapore
Co-Chairman Dr K J Tseng, Nanyang Technological University, Singapore
11.4.1 Robust control of a brushless D.C. servodrive
Y L Tan, K S Low, Y Wang, Nanyang Technologcial University, Singapore
11.4.2 A novel control strategy in l-to-3 phase converter using direct flux
space vector modulation
D T W Liang, University of Bradford, UK
L Jiang, Zhejiang University, China
xix
742
747
11.4.3 Computerised DC motor field weakening technique and constant power control 752
F L Luo, Nanyang Technological University, Singapore
11.4.4 A QRC controller for disk drive spindle motors
M A Jabbar, J.Li, National University of Singapore, Singapore
758
11.4.5 Optimal energy control for permanent magnet synchronous motor drives
K S Low, J H Hu, Nanyang Technological University, Singapore
764
Power System Harmonics
Session 12.1 Power System Harmonics I
May 22 (Thursday)
LT3 : 4.15 pm - 5.45 pm
Chairman
Professor W Mielczarski, Monash University, Australia
Co-Chairman Mr T M Lee, Nanyang Technological University, Singapore
12.1.1 Laboratory tests of double-tuned and parallel filters for the
reduction of harmonic distortion in three phase flourescent lamp systems
W Mielczarski, J Szczepanik, Monash University, Australia
W B Lawrance, Curtin University of Technology, Australia
12.1.2 An investigation on the effects of harmonic contents and
phase shift on the performance of RCCB and overcurrent relays
T M Lee, T W Chan, Nanyang Technological University, Singapore
12.1.3 Harmonic distortion caused by compact fluorescent lamps
W Mielczarski, P Ratnayake, G Michalik, Monash University, Australia
S S Choi, Nanyang Technological University, Singapore
12.1.4 The effects of nonlinear loads and associated low order odd
harmonics which give rise to unacceptably high neutral
currents in switchgear, transformers, neural conductors and
standby generators in commercial builidngs
E M J Ansett, Donnelley Simpson Cleary & Oehlers (SEA) Pte Ltd, Singapore
12.1.5 Harmonic distortion in a distribution system due to domestic loads
S S Choi, B R Duggal, Nanyang Technological University, Singapore
P S Seah, Technocon Engineers (Pte), Singapore
Y L Seow, Panel Builders Industries (Pte) Ltd, Singapore
768
775
780
786
792
Session 12.2 Power System Harmonics II
May 23 (Friday)
LT3 :11.00 am - 12.30 pm
Chairman
Professor A C Liew, National University of Singapore, Singapore
Co-Chairman Dr B R Duggal, Nanyang Technological University, Singapore
12.2.1 Harmonic modelling of a 540MW LVDC rectifier terminal
G W J Anderson, Comalco Power (New Zealand) Limited, New Zealand
A R Wood, University of Canterbury, New Zealand
XX
798
12.2.2 Generator modelling in the harmonic domain
Q N Dinh, J Arrillaga, University of Canterbury, New Zealand
12.2.3 Evaluation of the effect of harmonics due to AC lift drives
in high-rise commercial establishments
R K Ryali, Y P Du, J Burnett, Hong Kong Polytechnic University, Hong Kong
804
809
12.2.4 A critical review of harmonics in high-rise commercial buildings
R K Ryali, Y P Du, Burnett, Hong Kong Polytechnic University, Hong Kong
815
12.2.5 Quasiperiodic ferroresonant oscillations in power systems
S K Chakravarthy, Singapore Polytechnic, Singapore
821
AI Applications
Session 13.1 AI Applications I
May 23 (Friday)
LT6 : 9.00 am - 10.30 am
Chairman
Mr G N Lau, Singapore Power Ltd, Singapore
Co-Chairman Dr S Birlasekaran, Nanyang Technological University, Singapore
13.1.1 Kalman-fuzzy application to power system
H Shaibon, A A Mohd Zin, Malaysia Military Academy, Malaysia
S R Shah Baki, MARA Institute of Technology, Malaysia
K L Lo, University of Strathclyde, UK
827
13.1.2 A genetic algorithm for solving the unit commitment problem
H-C Chang, P-H Chen, National Taiwan Institute of Technology, Taiwan
831
13.1.3 Improved genetic algorithm and it's application in unit commitment
H W Zhao, Chongqing Logistic Engineering University, China
Z Ren, South China University of Technology, China
X F Li, Chongqing Logistic Engineering University, China
837
13.1.4 A distributed database system for a multiple expert system
used for power system
842
Q Liu, X L Peng, S J Cheng, Huazhong University of Science and Technology, China
13.1.5 Development of gas-in-oil detector using ANN techniques
S Birlasekaran, B C Koh, L J Cao, Nanyang Technological University, Singapore
846
Session 13.2 AI Applications II
May 23 (Friday)
LT6 : 4.15 pm - 5.45 pm
Chairman
Professor C S Chang, National University of Singapore, Singapore
Co-Chairman Dr R J Zhou, Nanyang Technological University Singapore, Singapore
13.2.1 Fuzzy logic approach to forecasting energy efficient technologies
W Mielczarski, G Michalik, M E Khan, Monash University, Australia
XXI
850
13.2.2 The Line loss calculation and forecasting of the electrical
distribution network based on the neural network genetic algorithm
M L Xiong, G X Li, Wuhan University of Hydraulic & Electric Engg, China
13.2.3. Pro-active load shedding system using neural networks
M J Er, H C Sng, C J Tan, Nanyang Technological University, Singapore
856
861
13.2.4 ANN based peak, valley and hourly load forecasting
867
C S Chang, M J Yin, D Srinivasan, S S Tan, National University of Singapore, Singapore
13.2.5 Hourly load forecasting by neural network for EGAT
873
J Manthamkul, T Limpasuwan, Electricity Generating Authority of Thailand, Thailand
Power Engineering Education
Session 14.1 Power Engineering Education
May 23 (Friday)
LT3 : 4.15 pm - 5.45 pm
Chairman
Dr A Z Khan, Sultan Qaboos University, Oman
Co-Chairman Dr F C Foo, Nanyang Technological University, Singapore
14.1.1 The SMIB power system transient stability assessment:
A PC based graphical integrated package
A Z Khan, Sultan Qaboos University, Oman
14.1.2 Design of power engineering curriculum in Universiti Teknologi Malaysia
I Sallehuddin, S Abdul Jaafar, K Azhar, Universiti Teknologi Malaysia, Malaysia
879
885
14.1.3 Education and training by computational and laboratory methods
889
E Agneholm, G le Dous, S Johansson, Chalmers University of Technology, Sweden
14.1.4 Industrial training programme in power engineering at
Universiti Teknologi Malaysia
I Sallehuddin, S Abdul Jaafar, K Azhar, Universiti Teknologi Malaysia, Malaysia
xxii
895