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JANUARY 2008 Volume 128-B Number 1

Title Author Page Extended Summary A Study of Cooperative Operation of Wind Energy Conversion System with Hydrogen Electrolyzer by using Adjustable Speed Flywheel Generator M. Nobuta, R. Takahashi, T. Murata, J. Tamura, M. Sugimasa, A. Komura, M. Futami, M. Ichinose, & K. Ide 9 Stabilization of Wind Energy Conversion System with Hydrogen Generator by Using EDLC Energy Storage System S. Shishido, R. Takahashi, T. Murata, J. Tamura, M. Sugimasa, A. Komura, M. Futami, M. Ichinose, & K. Ide 17 Approximate Calculation of Voltage in Distribution System Using Voltage Sensitivity D. Iioka, M. Tadauchi, Y. Yokomizu, T. Matsumura, & N. Izuhara 25 Application of Neural Network to 24-hours-Ahead Generating Power Forecasting for PV System A. Yona, T. Senjyu, T. Funabashi, & H. Sekine 33 A Vector Control for Grid-connected Wind Power Generation with Doubly Fed Induction Generator T. Kai, Y. Tanaka, H. Kaneda, D. Kobayashi, & A. Tanaka 41 Power Supply Reliability Assessment in UPFC-installed Transmission System for ATC Enhancement Considering Transient Stability T. Masuta & A. Yokoyama 48 Fundamental State Space Time Series Models for JEPX Electricity Prices K. Ofuji & S. Kanemoto 57 Impacts of Various Characteristics of Electricity and Heat Demand on the Optimal Configuration of a Microgrid S. Bando, H. Watanabe, H. Asano, & S. Tsujita 67 Balancing Control for Dispersed Generators Considering Torsional Torque Suppression and AVR Performance for Synchronous Generators T. Senjyu, E. Omine, D. Hayashi, E. B. Muhando, A. Yona, & T. Funabashi 75 Improvement of the Evaluation of the Wide Area Power System Stability Based on Multiple Synchronized Phasor Measurements with Observation Sites Changed M. Watanabe, T. Hashiguchi, Y. Mitani, O. Saeki, M. Hojo, & H. Ukai 84 Basic Study of Dropout by Phase Jump Characteristic Modeling of Distributed Generators in Secondary System for Trunk Transmission System Analysis H. Kobayashi, Y. Kataoka, M. Suzuki, S. Naoi, K. Kudo, Y. Noro, & K. Omata 91 Transient Stability Ranking Technique Based on System Parameter Estimation and Extended Equal-Area Criterion A. Takeuchi, T. Sato, K. Takafuji, H. Nishiiri, K. Takasaki, & Y. Hara 101 A Study on the Installation Promotion Program of Distributed Generation with Load Curtailment Contract Y. Sasaki, R. Hara, H. Kita, & J. Hasegawa 111 Optimal Operation and Value Evaluation of Pumped Storage Power Plants Considering Spot Market Trading and Uncertainty of Bilateral Demand K. Takahashi, R. Hara, H. Kita, & J. Hasegawa 121 Statistical Evaluation of Voltage Variation of Power Distribution System with Clustered Home-Cogeneration Systems T. Kato, A. Minagata, & Y. Suzuoki 129 A Study on Evaluation Method of Equipment Expansion in Power System under Competitive Environment T. Nakajima & T. Oyama 136 Supply and Demand Control of Distributed Generators in a Microgrid for New Energy T. Shimakage, J. Sumita, N. Uchiyama, T. Kato, & Y. Suzuoki 143 Representative Modeling Method in Each Climatic District for Forecast of Nationwide Daily-Solar-Irradiance Curve S. Oke, H. Murata, S. Higashiyama, & H. Takikawa 151 Cost Benefit Analysis of the Power Storage System Considering Outage Cost in the Deregulated Power Market H. Tsuru & Y. Fujii 158 Credit Risk Evaluation of Power Market Players with Random Forest Y. Umezawa & H. Mori 165 A Study of Autonomous Decentralized Voltage Profile Control of Distribution Network considering Economic Efficiency T. Tsuji, T. Goda, K. Ikeda, & S. Tange 174 Examination of the Optimal Equipment Planning Model of Heat and Power T. Hayashi, T. Funabashi, Y. Okuno, & Y. Hoshi 187 Temperature Diffusion Distribution of Electric Wire Deteriorated by Overcurrent C.-S. Choi, H.-K. Kim, D.-W. Kim, & K.-Y. Lee 194 Basic Study on Pole Change Generator for Micro Windmill Generation System K. Yukita, Y. Kainuma, Y. Iwase, Y. Goto, K. Ichiyanagi, & T. Kusakabe 201 Power System Transient Stability Improvement by the Interline Power Flow Controller (IPFC) J. Zhang & A. Yokoyama 208 Probability-based Prevention of Voltage Violation and Momentary Interruption due to Uncertainty of Renewable Energy Resources S. Chaitusaney & A. Yokoyama 217 An Experimental Study of Surge Characteristics of a Distribution Line Using a Reduced- Scale Model S. Matsuura, T. Noda, A. Asakawa, & S. Yokoyama 226 A New Educational Method to Acquire and Transfer Experience-based Wisdom for Power Engineers S. Kyomoto & A. Doi 235 An Evaluation of SMES Control Logics for Power System Stabilization Based on Analogue Simulation A. Taguchi, T. Imayoshi, H. Hayashi, & T. Ishii 243 An Improvement of a Conductor Subdivision Method for Calculating the Series Impedance Matrix of a Transmission Line Considering the Skin and Proximity Effects T. Miki & T. Noda 254 Thin Wire Modeling for FDTD Electromagnetic Calculations in the Two-Dimensional Cylindrical Coordinate System Y. Taniguchi, Y. Baba, N. Nagaoka, & A. Ametani 263 Response of Pole-Mounted Distribution Transformer to Lightning Overvoltage Dependent on Rated Capacity K. Michishita, H. Hiraiwa, & Y. Hongo 270 3-D Eddy Current Analysis of Bevel Edge Core Reactor using Modeling Technique of Laminated Steel N. Takahashi, T. Nakau, D. Miyagi, S. Nogawa, & M. Kuwata 277 Improvement of an Advection-Equation-Based Absorbing Boundary Condition for FDTD Calculations of Electromagnetic Fields and Surges K. Okazawa, Y. Baba, N. Nagaoka, & A. Ametani 285 High-Current Lightning Discharges in Winter M. Ishii, M. Saito, F. Fujii, M. Matsui, & N. Itamoto 291 Characteristics of Vertical E-field Waveforms Associated with Return-strokes on Southeastern Sea of Kyushu K. Michishita, N. Nagatsuna, T. Murakami, & T. Harada 298 Voltage and Reactive Power Control Taking into Account of Economy and Security by using Tabu Search Y. Nakachi, A. Kato, & H. Ukai 305 Transient Stability Ranking Technique Based on Simplified Transient Stability Calculation A. Takeuchi, T. Sato, K. Takafuji, Y. Kokai, M. Yatsu, & M. Takeishi 313 Study on Optimum Capacity of Battery Energy Storage System for Wind Power Generator T. Senjyu, Y. Kikunaga, A. Yona, & T. Funabashi 321 An Investment Level Decision Method to Secure Long-term Reliability S. Bamba, K. Yabe, T. Seki, & T. Shibaya 329 Development of Decision Support Tools for Maintenance Strategy of Electric Power Equipment T. Takahashi & T. Okamoto 336 Storage of Oxygen Gas for ZnO Varistors T. Tada 343

FEBRUARY 2008 Volume 128-B Number 2

Title Author Page Extended Summary Practical Power System Aggregation Considering Dynamic Loads Y. Yamagishi & S. Komami 381 Online Optimization Method for Operation of Generators in a Micro Grid Y. Hayashi, H. Miyamoto, J. Matsuki, T. Iizuka, & H. Azuma 388 A Simulation of Generation Investment Planning Development under Competitive Environment A. Matsumoto, R. Hara, H. Kita, & J. Hasegawa 397 Investigation of the Accuracy Improvement of Advanced Dominant Eigenvalue Estimation Method for Electric Power Systems M. Sekoguchi, C. Fukui, I. Matori, J. Makino, K. Hanamoto, T. Katayama, C. Takahashi, & T. Shirasaki 407 Study on Forecast of Time Series of Wind Velocity for Wind Power Generation by Using Wide Meteorological Data K. Taniguchi, K. Ichiyanagi, K. Yukita, & Y. Goto 416 Overshoot Damping Control of DC Current at Deblock in AC-DC Interconnected System with Externally Commutated Converters K. Kogiso & T. Shimonosono 423 Development and Evaluation of Control System for Microgrid Supplying Heat and Electricity Y. Kojima, M. Koshio, & S. Nakamura 429 A Large Scale Eddy Current-Thermal Analysis for a Transformer Tank H. Kanayama, S. Asakawa, & S. Sugimoto 437 A Proposal on Drawing Electric Lines of Force in Numerical Analysis of Electrostatic Fields M. Ohchi, T. Furukawa, & H. Tokushima 443 Study on Capacity and Operation Method of PEFC CGS for Apartment Using Measured Electricity and Hot Water Loads Y. Inui, T. Muto, & T. Maeda 451 Three-Dimensional Simulation of Planar Solid Oxide Fuel Cell Stack Y. Inui, T. Tanaka, & T. Kanno 459 Advanced Thermal Energy Conversion of Temperature under 300�Ž by Thermoelectric Conversion Method T. Ueda, Y. Uchida, & H. Shingu 467 Numerical Simulations of Lightning Surge Responses in a Seismic Isolated Building by FDTD and EMTP N. Nagaoka, H. Morita, Y. Baba, & A. Ametani 473 CO2 and H2 Gas Mixture Inclusion Effect on Shrinkage of Ar Induction Thermal Plasmas S. A. Al-Mamun, Y. Tanaka, & Y. Uesugi 479 A Study on Effect of Fault Current Limiter on Bus Voltage Sag During Short-circuit Fault H. Shimizu & T. Matsumura 486 Improvement of Plasma-flow Behavior and Performance of a Disk MHD Generator under High Magnetic Flux Densities A. Liberati & Y. Okuno 493

MARCH 2008 Volume 128-B Number 3

Title Author Page Extended Summary An Operational Algorithm for Residential Cogeneration Systems based on the Monitored Daily-basis Energy Demand Y. Yamagishi, H. Sugihara, O. Saeki, & K. Tsuji 528 A Comprehensive Congestion Management Scheme with an Improved DC Method T. Jibiki, E. Sakakibara, & S. Iwamoto 537 Effects of Cascaded Voltage Collapse and Protection of Many Induction Machine Loads upon Load Characteristics Viewed from Bulk Transmission System T. Kumano 545 A Perturbation Analysis of Harmonics Generation from Saturated Elements in Power Systems T. Kumano 551 Propagation Characteristics of Higher-order Mode Electromagnetic Signals in Coaxial GIS Model with Various Conditions of Arch-shaped UHF Sensor S. Kaneko & S. Okabe 557 Compensation Method for Fluctuation Power of Wind Power Generation Using Biomass Gas Turbine Generator and Flywheel Energy Storage Equipment M. Hara, N. Yamamura, M. Ishida, M. Wakita, Y. Kamada, & T. Maeda 564 Mass Transfer Characteristics Inside PEMFC and its Unsteady Power Generation Analysis T. Araki, K. Wakahara, D. Sunakawa, S. Kuroki, M. Nagahama, & K. Onda 571 The Research on Method for Reduction of the Neutral Conductor Current in the Three-Phase Four-Wire Low-Voltage Distribution Line T. Aizawa 579 Development of Insulation Technology in Compact SF6 Gas-filled Bushings �|Development of Compact 800 kV SF6 Gas-filled Bushings�| T. Rokunohe, T. Kato, M. Hirose, & T. Ishiguro 586 Influence of Degradations of Catalyst Layer and Gas Diffusion Layer on Flooding in PEFC Y. Hiramitsu, Y. Hayashi,K. Kobayashi, & M. Hori 593 Estimation of Backward Impedance on Low-Voltage Distribution System using Measured Resonant Current T. Miki, K. Konishi, K. Morimoto, N. Nagaoka, & A. Ametani 599

APRIL 2008 Volume 128-B Number 4

Title Author Page Extended Summary Sound Wave Propagation Analysis Using FDTD for Contaminated Insulator Discharge Noise T. Matsumoto & T. Shimoda 628 On Improving the Reliability of Distribution Networks Based on Investment Scenarios Using Reference Networks K. Kawahara 634 Generator Voltage Building-up Field Test for 500 kV Transformer Energization for Black-start Power System A. Izena, H. Kihara, T. Shimojo, K. Hirayama, & N. Furukawa 641 Change Rate Control of Photovoltaic Generation Output and Calculation of Necessary Capacitance H. Satoh, S. Takayama, K. Nakamura, & N. Kakimoto 647 Analysis of Structural Deformation and Vibration of a Transformer Core by using Magnetic Property of Magnetostriction W. Kitagawa, Y. Ishihara, T. Todaka, & A. Nakasaka 654 Degradation of ZnO Varistors Estimated by Ageing Tests T. Tada 661 A Study on the Observation of Direct Lightning Current through the Wind Turbine Generator System in the Coast of the Japan Sea Y. Shiraishi, T. Otsuka, & H. Matsuura 675 Field Survey of Internal Overvoltages caused by Breaker Switching in Residential Low-Voltage Distribution Circuits S. Mashimo, T. Ogawa, H. Nozawa, F. Ushigome, A. Hayashi, & K. Oka 683 Study on Insulation Diagnosis of Power Lines in Apartment Houses T. Okamoto, S. Taki, T. Fukui, A. Soga, S. Ezure, J. Asano, & Y. Uto 690

MAY 2008 Volume 128-B Number 5

Title Author Page Extended Summary Estimation of Lightning Striking Points Based on Measurements of Vertical E-Field K. Michishita, T. Nishihira, Y. Hongo, & S. Yokoyama 714 Disconnection Control of Wind Power Generators for the Purpose of Reducing Frequency Fluctuation Y. Hori & H. Saitoh 721 Evaluation of Withstand Performance for Epoxy Insulator under Residual DC Chargein GIS S. Kaneko, S. Okabe, T. Kobayashi, K. Nojima, M. Takei, & T. Miyamoto 728 Finding Underlying Structure in Electric Load Data Using Independent Component Analysis M. Yanagida, A. Ishigame, A. Koyama, N. Umeda, & K. Yoshida 735 An Operational Method of Residential Fuel Cell System with Super Capacitor Storage and its Application to an Energy Network Y. Doi, M. Ishida, & H. Aki 742 Comparative Evaluatoin of Reliability by Monte Carlo Method among different Loop Distribution Systems K. Shimizu & T. Genji 751 Experimental Evaluation of DG's Dynamic Voltage Support Capability Improving Short-Term Voltage Stability on Power System Loads T. Ueda & S. Komami 761 A Series Type BTB Converter for Controlling Voltage Profile in Loop Distribution System with Distributed Generations R. Simanjorang, Y. Miura, & T. Ise 769 The Relationship between the Current Waveform just before the Current Zero and the Interruption Ability in the High-speed VCB Y. Niwa, J. Matsuzaki, & K. Yokokura 779 Review of Engineering Models of the Lightning Return Stroke and their Application to Lightning Electromagnetic Pulse Calculations Y. Baba 785

JUNE 2008 Volume 128-B Number 6

Title Author Page Extended Summary Steady State Analysis of Resin Molded Type Voltage-Current Sensor for Real-Time Observation of Power Factor in Power Distribution System T. Furukawa, M. Ashikawa, & M. Ohchi 811 Mechanism of Simultaneous Tripping of Ground Directional Relays in a 6.6 kVDistribution System N. Suzuki 820 Evaluation of the Plug-in Hybrid Electric Vehicle Considering Power Generation Best Mix Y. Shinoda, H. Tanaka, A. Akisawa, & T. Kashiwagi 827 Mechanism of Pole-mounted Transformer Damage by Backflow Lightning and Measures against the Damage on Low-voltage Distribution Line H. Honda, Y. Hongo, H. Kado, & S. Yokoyama 836 Experimental Study on Doubly-fed Rotary Frequency Converter Y. Takemoto, G. Fujita, R. Yokoyama, K. Koyanagi, & T. Funabashi 845 Numerical Simulation of Critical Current Performance in Nb3Sn Strand Subjected to Periodic Bending Deformation H. Murakami, H. Ueda, A. Ishiyama, N. Koizumi, & K. Okuno 853 The Simulation of Failure Modes on ZnO Varistors T. Tada 860 Effective Length Consideration with the Minimize Per-Unit Length Impulse Impedance Method P. Pariyavong & W. Rungseevijitprapa 871 Improvement on ZnO Element Performance by Optimizing the Amount of Spinel Particles S. Ishibe, T. Kato, Y. Takada, M. Kobayashi, & I. Kawamata 879 An Evaluation of Amorphous Transformer using Load Curve Pattern Model for Pole Transformer M. Takagi, H. Yamamoto, & K. Yamaji 885

JULY 2008 Volume 128-B Number 7

Title Author Page Extended Summary A Single-Factor Model Analysis of Electricity Futures Price and its Application Y. Itoh & T. Kobayashi 912 Unit Commitment by Hybrid Ant System/Priority List Method based Probabilistic Approach D. Nualhong, S. Chusanapiputt, & S. Jantarang 919 Influence of Fault Current Limiter on Allowable Interconnecting Time Period of Customer Power System with Synchronous Generator D. Iioka, T. Nishida, Y. Yokomizu, & T. Matsumura 929 Power Smoothing and MPPT for Grid-connected Wind Power Generation with Doubly Fed Induction Generator T. Kai, Y. Tanaka, H. Kaneda, D. Kobayashi, & A. Tanaka 937 Estimation of Bid Curves in Power Exchanges using Time-varying Simultaneous-Equations Models K. Ofuji & N. Yamaguchi 945 A Basic Study on Suppression of Power Flow Deviation on Interconnecting Transmission Line between FFC and TBC Networks using Battery System as Energy Storage M. Arita, A. Yokoyama, & Y. Tada 953 Estimating Mean Life of an Aged Power Equipment Group with Operation Data Sequence J. Toyoda, K. Sakamoto, & T. Chida 961 About the Power Generation Confirmation of the Induction Motor and the Influence on the Islanding Detection Device H. Igarashi, T. Sato, K. Miyamoto, & K. Kurokawa 967

AUGUST 2008 Volume 128-B Number 8

Title Author Page Extended Summary Construction of Simulation Model for Spray Flash Desalination System S. Goto, Y. Yamamoto, T. Sugi, T. Yasunaga, Y. Ikegami, & M. Nakamura 993 Risk Assessment for Optimum Low-Voltage Distribution Facilities Constructed by Using Genetic Algorithms D. Iioka, T. Narita, Y. Yokomizu, T. Matsumura, & N. Hatakeyama 1000 Energy Saving Performance of Distributed Heating and Cooling System N. Endo, T. Maeda, & Y. Hasegawa 1009 Study of Thermal Characteristic for 3 kV 600 A 4H-SiC Flat Package Type pn Diodes S. Ogata, D. Takayama, K. Asano, & Y. Sugawara 1015 A Test Method of a PEFC Single Cell with Reference Electrodes Y. Tsutsumi, S. Ono, & M. Eguchi 1020 Modeling Method for Lead-acid Battery Simulation Using Step Changing Current T. Shimada & K. Kurokawa 1027 Development of Fault Point Locating System for Underground Transmission Lines using Optical Fiber Current Sensors K. Kurosawa, R. Kondo, S. Nasukawa, T. Yamaguchi, & K. Amano 1035 The Wind Turbine System Characteristic with an EDLC for Hydrogen Production H. Kaneuchi, T. Yachi, & T. Tani 1041

SEPTEMBER 2008 Volume 128-B Number 9

Title Author Page Extended Summary Inrush Current Simulation of Two Windings Power Transformer using Machine Parameters Estimated by Design Procedure of Winding Structure Y. Tokunaga & K. Kubota 1075 Benchmarking of Generation and Distribution Units in Nepal Using Modified DEA Models D. K. Jha, N. Yorino, & Y. Zoka 1082 Hydropower Output Forecast with Tank Models Combined with Kalman Filter Estimation K. Ofuji, N. Yamaguchi, K. Hoshino, & M. Sakamoto 1091 Fundamental Characteristics of Laboratory Scale Model DC Microgrid to Exchange Electric Power from Distributed Generations installed in Residential Houses H. Kakigano, T. Hashimoto, Y. Matsumura, T. Kurotani, W. Iwamoto, Y. Miura, T. Ise, T. Momose, & H. Hayakawa 1099 Developing Process of Positive Creeping Discharge along Aerial Insulated Wire T. Nishi, R. Hanaoka, & S. Takata 1111 Research of Magnetron Phased Array with Mutual Injection Locking for Space Solar Power Satellite / Station N. Shinohara & H. Matsumoto 1119 A Feasibility Study of Pressure Retarded Osmosis Power Generation System based on Measuring Permeation Volume using Reverse Osmosis Membrane H. Enomoto, M. Fujitsuka, T. Hasegawa, M. Kuwada, A. Tanioka, & M. Minagawa 1129 A Distribution Line Model for Lightning Overvoltage Studies S. Matsuura, T. Noda, A. Asakawa, & S. Yokoyama 1139 Lightning Surge Characteristics of an Actual Distribution Line and Validation of a Distribution Line Model for Lightning Overvoltage Studies S. Matsuura, T. Noda, A. Asakawa, & S. Yokoyama 1150 A Study of Hydrogen Generation with Doubly-Fed Adjustable Speed Wind Generator H. Kinoshita, R. Takahashi, T. Murata, J. Tamura, M. Sugimasa, A. Komura, M. Futami, M. Ichinose, & K. Ide 1159 Transient Phenomena of Disk MHD Generator due to Change of Load Resistance H. Koka, Y. Okuno, & H. Yamasaki 1167 Evaluation of Electric Shock caused by Electrostatic Induction S. Kitamura 1174

OCTOBER 2008 Volume 128-B Number 10

Title Author Page Extended Summary Research on Capacity Addition using Market Model with Transmission Congestion under Competitive Environment Y. Katsura, P. Attaviriyanupap, & Y. Kataoka 1199 Multi-objective Optimization Method for Distribution System Configuration using Pareto Optimal Solution Y. Hayashi, H. Takano, J. Matsuki, & Y. Nishikawa 1208 Determination Method of Optimal Operation Schedule for Fuel Cells in Collective Housing Y. Hayashi, S. Kawasaki, J. Matsuki, A. Tomomoto, H. Miyamoto, T. Funabashi, Y. Okuno, & T. Hayashi 1217 Daily Integrated Generation Scheduling for Thermal, Pumped-Storage Hydro and Cascaded Hydro Units and Purchasing Power Considering Network Constraints T. Sawa, Y. Sato, M. Tsurugai, & T. Onishi 1227 A Multi-branch Exchange Method for Distribution Loss Minimization M. Murai, Y. Kosaka, T. Kobayashi, & Y. Kaneshige 1235 Evaluation of Contribution for Voltage Control Ancillary Services Based on Social Surplus Y. Ueki, R. Hara, H. Kita, & J. Hasegawa 1243 Application of Interline Power Flow Controller (IPFC) to Power Oscillation Damping J. Zhang, A. Yokoyama, & T. Ide 1252 Development of Trouble Diagnosis Technology of 50 W Grade Small Wind Turbine Generator M. Takaoka, K. Inohata, T. Miyake, D. Tashima, M. Otsubo, & T. Bouno 1259 Transient Stability Evaluation Method based on Kinetic Energy of Post-Fault Trajectories T. Okuda, S. Nakagawa, Y. Ohsaki, & S. Iwamoto 1265 Transmission Analysis of Electromagnetic Induction Type RFID System - Transmission Characteristics between Two Resonant Circuits - K. Hirata, K. Hamamoto, Y. Mitsutake, T. Ota, & M. Yamana 1271 Balanced 3-Phase Distribution Experiment of a Tri-axial HTS Cable T. Hamajima, A. N. Ozcivan, K. Shimoyama, S. Soeda, N. Hu, T. Yagai, & M. Tsuda 1278

NOVEMBER 2008 Volume 128-B Number 11

Title Author Page Extended Summary Power Systems Voltage Security Assessment and Optimal Load Shedding by CBR Approach N. P. Patidar & J. Sharma 1304 A Multi-agent Cooperative Voltage and Reactive Power Control T. Nagata, H. Saeki, M. Utatani, Y. Nakachi, & R. Hatano 1313 Voltage Stability Preventive Control Using VMPI Sensitivities Y. Kataoka, M. Watanabe, S. Sakaeda, & S. Iwamoto 1320 Fast Computation and Stable Convergence Technique for Unbalanced Load Flow Calculation in the Large Scale System K. Shirasaki & N. Uchida 1329 Transient Stability Output Margin Estimation Based on Energy Function Method N. Miwa & K. Tanaka 1335 Application of Adaptive Evolutionary Algorithm to Economic Load Dispatch with Nonconvex Cost Functions T. Y. Kim, W.-T. Chang, & G.-H. Hwang 1343 A Study on the Matching between the Straight Wing Non-articulated Vertical Axis Wind Turbine and the New Wind Turbine Generator T. Siota, T. Isaka, T. Sano, & K. Seki 1350 Development of an Eigenvalue Estimation Method (Mode Coupling Method) for Small Signal Stability Analysis of Power System N. Uchida 1359 Treatment of Low Concentration Hydrogen by use of Proton Exchange Membrane T. Araki, K. Ichihara, M. Nagahama, Y. Minamoto, & K. Onda 1364 Establishment of Measurement Method of Leak Current Generation Distribution in PEFC and Application to the Load Fluctuation Test under Low Humidification S. Nakamura, E. Kashiwa, H. Sasou, S. Hariyama, T. Aoki, Y. Ogami, & H. Nishikawa 1371 Study of Shunt Type SFCL Equipped with Electromagnetic Repulsion Switch for Large Capacity M. Endo, T. Koyama, Y. Takahashi, K. Kaiho, & S. Yanabu 1379 Nonintrusive Appliance Load Monitoring based on Integer Programming S. Inagaki, T. Egami, T. Suzuki, H. Nakamura, & K. Ito 1386 FDTD Analysis of the Current Distribution within the Grounding System for a Wind Turbine Generation Tower Struck by Lightning M. Nagao, N. Nagaoka, Y. Baba, & A. Ametani 1393 Numerical Study of Plasma-Fluid Behavior and Generation Characteristics of the Closed Loop MHD Electrical Power Generator J. Ohno, A. Liberati, T. Murakami, & Y. Okuno 1401 Study of DC Circuit Breaker of H2-N2 Mixture Gas for High Voltage Y. Shiba, Y. Morishita, S. Kaneko, S. Okabe, H. Mizoguchi, & S. Yanabu 1407

DECEMBER 2008 Volume 128-B Number 12

Title Author Page Extended Summary Solid Insulated Switchgear and Investigation of its Mechanical and Electrical Reliability J. Sato, S. Kinoshita, O. Sakaguchi, M. Miyagawa, T. Shimizu, & M. Homma 1431 Insulation Technology in Dry Air and Vacuum for a 72 kV Low Pressured Dry Air Insulated Switchgear T. Yoshida, H. Koga, T. Harada, S. Miki, M. Arioka, S. Sato, S. Yoshida, N. Inoue, A. Maruyama, & T. Takeuchi 1439 Discussion of Electrode Conditioning Mechanism Based on Pre-breakdown Current under Non-uniform Electric Field in Vacuum T. Yasuoka, T. Kato, K. Kato, & H. Okubo 1445 Investigation of Dielectric Breakdown Characteristics for Double-break Vacuum Interrupter and Dielectric Breakdown Probability Distribution in Vacuum Interrupter T. Shioiri, N. Asari, J. Sato, K. Sasage, K. Yokokura, M. Homma, & K. Suzuki 1452 Development of Electromagnetically Actuated Vacuum Circuit Breaker for 72 kV Rated Switchgear T.-H. Kim, M. Tsukima, A. Maruyama, O. Takahara, K. Haruna, T. Yano, T. Matsunaga, K. Imamura, M. Arioka, & T. Takeuchi 1459 Optimization of Surge Arrester's Location on EHV and UHV Power Networks Using Simulation Optimization Method R. Shariatinasab, B. Vahidi, S. H. Hosseinian, & A. Ametani 1465 An Estimation Method of System Voltage Sag Profile using Recorded Sag Data K. Tanaka & T. Sakashita 1473 A Study of Modeling of EMTP-Analysis for Indoor Distribution Line T. Abe, T. Tsuboi, Y. Sakamoto, T. Miyazaki, & S. Okabe 1481 Development of High Accuracy Impedance Type Fault Locator System S. Urano, T. Yamada, Y. Ooura, Y. Yamaguchi, & T. Makimura 1490 Optimal Operation of Residential Fuel Cell System with Rapidly Fluctuating Energy Demand Y. Tanaka & M. Fukushima 1497 A Basic Study on Optimal Investment of Power Sources Considering Environmental Measures - An Economic Evaluation of CCS through a Real Option Approach - M. Kato & Y. Zhou 1505 Evaluation of Expanded Allowable Capacity of Wind Power in Power Systems by Charge Control for Plug-in Hybrid Electric Vehicles M. Takagi, H. Yamamoto, & K. Yamaji 1513 Field Trial on a Rack-mounted DC Power Supply System with 80-Ah Lithium-ion Batteries T. Matsushima 1522 Long Term Field Test of Polymer Insulator on 77 kV Transmission Line N. Tanaka, T. Kuroyagi, & S. Niihara 1529 Estimation of Sparkover Rate of Medium-Voltage Line due to Direct Lightning Hit Taking Account of Statistics on Observed Return-Stroke Current Y. Hongo & K. Michishita 1535 Characteristics of Supersonic Closed Loop with Disk CCMHD Generator H. Yamasaki, T. Murakami, & Y. Okuno 1543 Study on the Output Power Characteristics of a Shape Memory Alloy Engine Y. Sato, M. Kobayashi, Y. Kobayashi, H. Morimoto, & H. Miyawaki 1553 Influence of Electrode Material on Pressure-rise due to Arc in a Closed Chamber S. Tanaka, T. Miyagi, T. Ohtaka, M. Iwata, T. Amakawa, & Y. Goda 1561 Study of Electromagnetic Repulsion Switch to High Speed Reclosing and Recover Time Characteristics of Superconductor T. Koyama, K. Kaiho, I. Yamaguchi, & S. Yanabu 1569

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