IPEC '97 22 - 24 May 1997 Nanyang Technological University, Singapore Proceedings of the International Power Engineering Conference Volume I UNIVERSITATSBIBLIOTHEK 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 115 237 747 89 Contents VOLUME I System Planning and Design Session 1.1 Power System Planning I May 22 (Thursday) LT6 : 2.15 pm - 3.45 pm Chairman Professor K L Lo, University of Strathclyde, UK Co-Chairman Dr L Goel, Nanyang Technological University, Singapore 1.1.1 1.1.2 A method for co-ordination of long and short term operations planning in co-generation systems M Hauser, J F Verstege, University of Wuppertal, Germany Optimal planning of power distribution system using exhaustive feasibility search algorithm N Patnaik, Central Electricity Authority, India J Nanda, India Institute of Technology, Delhi, India 1 7 1.1.3 The present situation and future trend of electricity price in China 12 X P Liang, Singapore Power International, Singapore L Goel, Nanyang Technological University, Singapore Z X Ge, Beijing Economic Research Institute of Water Resources and Electric Power, China B J Zhang, S J Lu, Z L He, Shandong Electric Power Company, China 1.1.4 Optimal capacitor placement using generic algorithm W N W Abdullah, Institute of Technology, MARA, Malaysia H Saibon, A A Mohd Zain, University of Technology, Malaysia K L Lo, University of Strathclyde, UK 1.1.5 Evolution strategies combined with mixed-integer-linear-programming for short-term operation planning of hydrothermal power systems T G Werner, J F Verstege, University of Wuppertal, Germany Session 1.2 18 24 Power System Planning II May 23 (Friday) LT6 : 2.15 pm - 3.45 pm Chairman Professor G Ledwich, The University of Newcastle, Australia Co-Chairman Dr G Shrestha, Nanyang Technological University, Singapore 1.2.1. Alternative energy perspective W D Humpage, H Bui, The University of Western Australia, Australia 30 1.2.2. 1.2.3. Short term planning methods applied to evaluation of unavailability costs in a river O Nilsson, L Soder, Royal Institute of Technology, Sweden Power system optimal VAR planning with security and economic constraints J Z Zhu, C S Chang, National University of Singapore, Singpaore 36 42 1.2.4. VAR optimization for large scale powers systems using an interior point algorithm 47 J B Li, L Zhou, Y P Chen, L Yan, Wuhan University of Hydraulic & Electric Engg, China 1.2.5 Reactive support from photovaltaic inverters G Ledwich, H K Sharma, The University of Newcastle, Australia 1.2.6 Valuing demand-side options in utility integrated resource planning with environmental improvement S Rahman, J P Pan, Viriginia Polytechnic Institute & State University, USA G Shrestha, Nanyang Technological University, Singapore 52 58 System Modelling and Simulation Session 2.1 System Modelling I May 22 (Thursday) LT3 :11.00 am - 12.30 pm Chairman Professor E Acha, The University of Glasgow, UK Co-Chairman Dr G Shrestha, Nanyang Technological University, Singapore 2.1.1 The application of the Herman Beta method in South African low voltage design guidelines R Herman, University of Stellenbosch, South Africa T Gaunt, GIBB (Africa), South Africa 64 2.1.2 A new generation of power system software based on the OOP Paradigm 68 E Acha, H Ambriz-Perez, S G Tan, C R Fuerte-Esquivel, The University of Glasgow, UK 2.1.3 Dynamic load measurements in a transmission system G le Dous, J Daalder, Chalmers University of Technology, Sweden D Karlsson, Sydraft AB, Sweden 74 2.1.4 Effective shunt compensation in power systems with large unbalanced loads V G Nikolaenko, Western Power Corporation, Australia 80 Session 2.2 Network Simulation May 22 (Thursday) LT3 : 2.15 pm - 3.45 pm Chairman Professor C Y Teo, Nanyang Technological University, Singapore Co-Chairman Dr H B Gooi, Nanyang Technological University, Singapore 2.2.1. Simulating method of magnetizing inrush current of power transformers using concept of instantaneous power Y Q Duan, J L He, Y M Sun, Y L Li, G Wang, Tianjin University, China VI 86 2.2.2 New computing and simulation tools for distribution system operation and training C Y Teo, Nanyang Technological University, Singapore 92 2.2.3 The studies of microprocessor-controlled active impulse voltage source for grounding impedance measurement 98 Y P Chen, X M Zha, L Zhao, Wuhan University of Hydraulic & Electric Engg, China Z Z Chen, Hengyang Power Supply Bureau, China 2.2.4 Optimal CAD of GIS electrode by combining charge simulation method with surface charge method 103 J M Chen, A C Liew, C S Chang, D Srinivasan, National University of Singapore, Singapore Session 2.3 Identification and Estimation May 23 (Friday) LT3 : 9.00 am -10.30 am Chairman Professor Y P Chen, Wuhan University of Hydraulic & Electric Engg, China Co-Chairman Dr Y Wang, Nanyang Technological University, Singapore 2.3.1 Identification algorithms of aggregrate load parameters for intelligent control and analysis of power system voltage stability 109 C S Chang, J S Huang, A C Liew, K S Lock, C Duan, National University of Singapore, Singapore 2.3.2. Experiences of using a perceptron neural network and Levenberg-Marquardt training algorithm in state estimation S Repo, J Bastman, E Lakervi, Tampere University of Technology, Finland 114 On-line parameter identification of synchronous machine by optimal planning method Y P Chen, L Liu, Y J Li, Wuhan University of Hydraulic & Electric Engg, China 120 2.3.3 2.3.4 A genetic algorithm for identification of aggregate load parameters 124 C S Chang, J S Huang, C Duan, K S Lock, A C Liew, National University of Singapore, Singapore Session 2.4 System Modelling II May 23 (Friday) LT3 : 2.15 pm - 3.45 pm Chairman Professor P S Bodger, University of Canterbury, New Zealand Co-Chairman Mr T Forughian, Ngee Ann Polytechnic, Singapore 2.4.1. A new approach to transmission lines modelling for electromagnetic transients analysis S M Shahrtash, Iran Univ. of Science & Tech., Iran A M Ranjbar, Sharif University of Technology, Iran vn 130 2.4.2. Modeling of parallel AC and DC transmission lines T Forughian, Ngee Ann Polytechnic, Singapore 2.4.3 A distribution system simulator for interconnection of dispersed power sources H Sasaki, Y Zoka, J Kubokawa, Hiroshima University, Japan 2.4.5 Ferroresonance and chaos in AC and HVDC electric power systems P S Bodger, University of Canterbury, New Zealand G D Irwin, D A Wooford, Manitoba HVDC Research Centre, Canada A M Gole, University of Manitoba, Canada 2.4.6 Simulator methods for the testing of the frequency control behaviour of power plants while remaining on line J Andersson, B Stenborg, Chalmers University of Technology, Sweden 136 142 148 154 System Stability and Analysis Session 3.1 Fuzzy Control in FACTS May 22 (Thursday) LT4 :11.00 am -12.30 pm Chairman Dr K J Tjong, Public Utilities Board, Singapore Co-Chairman Dr J B X Devotta, National University of Singapore, Singapore 3.1.1. Improvement of FACTS incorporated power system stability performance through fuzzy control K L Lo, Y J Lin, University of Strathclyde, UK J Trecat, M Crappe, Faculty Polytechnique de Mons, Belgium 160 3.1.2 Fuzzy logic stablizing control of power systems by a small capacity SMES H Miyauchi, Y Matsuura, T Hiyama, Kumamoto University, Japan 3.1.3 Fuzzy controlled SMES unit for the improvement of synchronous generator damping 172 M G Rabbani, J B X Devotta, S Elangovan, National University of Singapore, Singapore 3.1.4 Power system stablizing control for FACTS devices using an adaptive fuzzy controller T Senjyu, M Molinas, K Uezata, University of the Ryukyus, Japan Session 3.2 166 178 Stability Analysis May 22 (Thursday) LT4 : 4.15 pm - 5.45 pm Chairman Professor M J Gibbard, The University of Adelaide, Australia Co-Chairman Dr R Zhou, Nanyang Technological University, Singapore 3.2.1 3.2.2 Realization and simulation of a battery storage unit for improvement of net damping R Dilger, D Nelles, University of Kaiseslautern, Germany 184 Improvement of power system stability by cooperative control of AVR and GOV using fuzzy-genetic controller T Senjyu, A Miyazato, Y J Tang, K Uezato, University of the Ryukyus, Japan 190 Vlll 3.2.3 Contribution of individual power system stablizers and FACTS device stablizers to the damping of rotor modes of oscillation D J Vowles, M J Gibbard, P Pourbeik, The University of Adelaide, Australia 196 3.2.4 Studies on the theory and practice of adpative PID excitation regulator for synchronous machine 202 C X Zhang, C Li, Y P Chen, Wuhan University of Hydraulic & Electic Engg, China 3.2.5 Design of an optimal fuzzy power system stablizer using genetic algorithm J Y Wen, S J Cheng, Huazhong University of Science and Technology, China R Zhou, Nanyang Technological University, Singapore 207 Session 3.3 Voltage Stability May 23 (Friday) LT4 : 9.00 am - 10.30 am Chairman Professor Y Xue, Nanjing Automation Research Institute, China Co-Chairman Dr T T Lie, Nanyang Technological University, Singapore 3.3.1 A new technique for voltage collapse detection H A Shayanfar, F Parnian, Iran University of Science and Technology, Iran 3.3.2 A criterion and margin for transient voltage instability considering induction motors Y Xue, T Xu, Nanjing Automation Research Institute, China Z Han, Zhejiang University, China Y Li, Shandong Electric Power Bureau, China 212 217 3.3.3 New method for indicating voltage stability condition in power system M Moghavvemi, University Malaya, Malaysia G B Jasmon, University Telekom, Malaysia 223 3.3.4 An effective method for monitoring and control against voltage collapse N Yorino, S Harada, H Sasaki, Hiroshima University, Japan R Yokoyama, Tokyo Metropolitan University, Japan 228 3.3.5 Maximum thermal utilization of generator rotors to avoid voltage collapse S G Johansson, J Daalder, Chalmers University of Technology, Sweden 234 Power System Reliability and Security Session 4.1 Power System Reliability Assessment May 22 (Thursday) LT6 :11.00 am - 12.30 pm Chairman Dr L Goel, Nanyang Technological University, Singapore Co-Chairman Dr Y Wang, Nanyang Technological University, Singapore 4.1.1 Reliability and economic assessment of pumped-storage in generation systems using sequential Monte-Carlo simulation R N Allan, UMIST, UK R M Li, M Zheng, Electric Power Research Institute, China IX 240 4.1.2 Reliabiltiy calculation for distribution system using possibilistic concepts M E Khan, Monash University, Australia M H Haque, University of South Australia, Australia 246 4.1.3 An approach to captive generation system health analysis A Akhtar, P C Thun, KTA Tenaga Sdn Bhd, Malaysia 252 4.1.4 An assessment of reduced cycling cost of thermal units, due to DSM, in integrated resource planning A S Malik, A Badar, Asian Institute of Technology, Thailand 4.1.5 Overall reliability assessment of distribution systems L Goel, Nanyang Technological University, Singapore X P Liang, Singapore Power International, Singapore 258 264 Session 4.2 Power System Security Assessment May 23 (Friday) LT6 :11.00 am-12.30 pm Chairman Dato' Ir Y C Lee, Tenaga Embank Preece (Malaysia) Sdn Bhd, Malaysia Co-Chairman Dr L Goel, Nanyang Technological University, Singapore 4.2.1. Probabilistic transient stability assessment with EEAC Y Xue, J Li, Nanjing Automation Research Institute, China 270 4.2.2. Economic impact of cogenerated energy on a power system R Gupta, Singapore Polytechnic, Singapore N Chowdhury, R Billinton, University of Saskatchewan, Canada 276 4.2.3 A comprehensive method to estimate power system stability constraint costs J E Hodgson, A R Daniels, University of Bath, UK L A Dale, M Zhu, National Grid Company, UK 282 4.2.4 A new approach to steady-state security regions with N and N-l security constraints J Z Zhu, C S Chang, National University of Singapore, Singapore 288 Transmission Session 5.1 HVDC May 22 (Thursday) LT7 11.00 am -12.30 pm Chairman Professor W D Humpage, The Universtiy of Western Australia, Australia Co-Chairman Dr W W L Keerthipala, Nanyang Technological University, Singapore 5.1.1 A generalized minimum variance controller for HVDC link W T Chung, A K David, Hong Kong Polytechnic University, Hong Kong 294 5.1.2 Development of HVDC simulator based on multi-processor hierarchical control system L W Jiao, S S Chen, L Y Gao, H Yan, Tsinghua University, China 299 5.1.3 Harmonic reduction in HVDC link by modified DC current controller D Jovcic, N Pahalawaththa, The University of Auckland, New Zealand M Zavahir, TransPower NZ Ltd, New Zealand 304 5.1.4 Modal analysis of multi-infeed HVDC systems D H A Lee, G Andersson, Royal Institute of Technology, Sweden 310 Session 5.2 FACTS May 22 (Thursday) LT7 : 2.15 pm - 3.45 pm Chairman Professor S S Choi, Nanyang Technologcial University, Singapore Co-Chairman Mr Y L Tan, Nanyang Technological University, Singapore 5.2.1 Use advanced dynamic braking to enhance transmission loadability 316 J S Luo, J H Song, J Y Cui, Northeast China Institute of Electric Power Engr, China 5.2.2 Application of static phase shifter to enhance stability of multimachine power systems F Jiang, G Shrestha, S S Choi, Nanyang Technological University, Singapore 5.2.3 Simultaneous compensation of reactive and harmonic components of line current using super magnet energy storage M R Khan, M A Rahman, Bangladesh University of Engineering and Tehnology, Bangladesh 320 326 5.2.4 Design of multiple FACTS damping controllers X R Chen, Design Power NZ Ltd, New Zealand N C Pahalawaththa, U D Annakkage, University of Auckland, New Zealand C S Kumble, TransPower New Zealand Ltd, New Zealand 331 5.2.5 Design of a nonlinear adaptive excitation and braking resistor controller Y L Tan, Y Wang, Nanyang Technological University, Singapore 337 5.2.6 A comparison study between UPFC and back-to-back stations Y Jiang, A Ekstrom, Royal Institute of Technology, Sweden 343 High Voltage Engineering Session 6.1 High Voltage Engineering May 22 (Thursday) LT4 : 2.15 pm - 3.45 pm Chairman Professor S Shihab, RMIT, Australia Co-Chairman Dr S Birlasekaran, Nanyang Technological University, Singapore 6.11 Advanced partial discharge detection using wavelet analysis S Cherukupalli, M Nagpal, Powertech Labs Inc., Canada C Tan, B.C. Hydro, MEP, Canada XI 351 6.1.2 Effects of humidity in air on discharge behaviour in point-cup gaps E Li, J M K MacAlpine, Hong Kong Polytechnic University, Hong Kong D H Peng, Huazhong University of Science and Technology, China 6.1.3 Monitoring porcelain and polymer clad equipment by microwave radiometry .... 362 K Abdolall, Powertech Labs Inc., Canada 6.1.4 Leakage current characteristics due to flow electrification using a spinning disc system J Zhang, L J Cao, S Birlasekaran, Nanyang Technological University, Singapore 6.1.5 Development of a condition monitoring system for high-voltage current transformers S Cherukupalli, A J Vandermaar, Powertech Labs, Canada N A F Jaeger, F Rahmatian, University of British Columbia, Canada H Kato, G P Jaeger, D Green, Carmanah Research, Ltd., Canada G S Polovick, B.C. Hydro, Canada 356 368 374 Operation and Control Session 7.1 Control Theory Applications May 23 (Friday) LT4 :11.00 am - 12.30 pm Chairman Professor A Yokoyama, University of Tokyo, Japan Co-Chairman Dr M Vilathgamuwa, Nanyang Technological University, Singapore 7.1.1 Small signal stability analysis using hierarchical and distributed processing in variable impedance power system (VIPS) H Kohno, A Yokoyama, University of Tokyo, Japan 379 7.1.2 System stability enhancement via a new nonlinear voltage controller R Zhou, Y Wang, C Zhu, Nanyang Technological University, Singapore 385 7.1.3 Nonlinear analysis of a model power system K L Lo, Z Z Qi, University of Strathclyde, UK 391 7.1.4 A robust H» control of an unified power flow controller 397 X Zhu, M Vilathgamuwa, S S Choi, Nanyang Technological University, Singapore Session 7.2 System Operation May 23 (Friday) LT4 : 2.15 pm - 3.45 pm Chairman Mr Y C Yong, Singapore Power Ltd, Singapore Co-Chairman Dr Y Wang, Nanyang Technological University, Singapore 7.2.1 Cold load pick-up E Agneholm, J Daalder, Chalmers University of Technology, Sweden xu 403 7.2.2 A new paradigm for electric power systems R S Fang, A K David, Hong Kong Polytechnic University, Hong Kong 409 7.2.3 The frequency dependance of aggregate MW loads E Agneholm, G le Dous, J Daalder, Chalmers University of Technology, Sweden 414 7.2.4 Selection of pilot nodes and definition of control zones for automatic secondary Var control in Bosnian electric power utility , 420 M Glavic, A Nuhanovic, N Prljaca, University of Tuzla, Bosnia & Herzeg I Kuzle, University of Zagreb, Croatia 7.2.5 Long-run marginal cost evaluation of transmission capacity C W Yu, A K David, Hong Kong Polytechnic University, Hong Kong Session 7.3 425 Power Flow Control May 23 (Friday) LT4 : 4.15 pm - 5.45 pm Chairman Mr K M Sim, Singapore Power Ltd, Singapore Co-Chairman Dr Y Wang, Nanyang Technological University, Singapore 7.3.1 Control of power flows in transmission systems A Herbig, G Andersson, Royal Institute of Technology, Sweden 431 7.3.2 Decentralized, discrete-robust load-frequency control for power systems with super-conducting magnetic energy storage K Y Lim, R Zhou, Y Wang, Nanyang Technological University, Singapore 436 7.3.3 Comparative evaluation on the use of UPFC and SVC for voltage control 442 R Balanathan, N C Pahalawaththa, U D Annakkage, The University of Auckland, New Zealand 7.3.4 Automatic generation control of the peak-load hydroelectric plant D Wei, Nanjing Electric Power Automation Equipment General Factory, China M L Xiong, G X Li, Wuhan University of Hydraulic & Electric Engg, China 7.3.5 Power system load frequency control using fuzzy gain scheduling of PI controllers C S Chang, W Fu, National University of Singapore, Singapore xm .-. 448 454