Annual Research Report 2006 Contents

• On the Publication of the Annual Research Report 2006 (PDF File 86KB)

Ⅰ Principal Research Results

Promotive Subjects

A. Cost Reduction and Ensuring Reliability

[Diagnosis and life evaluation of power delivery apparatus]

• Development of High-sensitivity Detection Method for Partial Discharge in Gas Insulated Switchgear (GIS) (PDF File 118KB)

[Maintenance and management of light water reactors]

• Development of an Embrittlement Correlation Method Based on Understanding of Embrittlement Mechanisms (PDF File 301KB)

[Non-destructive methods for assessing power generation components and steel structures]

• Development of New Accurate Flaw Depth Sizing in Ultrasonic Nondestructive Inspection (PDF File 122KB)
• Development of Methods to Measure Pipe Wall Thinning Using Guided Waves and Electromagnetic Acoustics Transducers (PDF File 227KB)
• Development of Void Growth Simulation Program for Steam Turbine Casings (PDF File 242KB)

[Maintenance technology of electric facilities based on risk management approach]

• Earthquake Risk Evaluation Technologies for Electric Power Substation and Distribution Equipment (PDF File 99KB)
• Establishment of Performance-Based Maintenance Method Application to Dam Spillway Gates (PDF File 166KB)

B. Creation of Integrated Energy Service

[Comprehensive evaluation for diffusion effects of distributed power generation]

• Predicting the Effect of Measures to Mitigate Urban Heat Island in 23 Wards of Tokyo (PDF File 154KB)
• Impacts of Large-scale Penetration of CHP Systems and Heat Pump Water Heaters through Generation Mix on CO₂ Emission in Japan (PDF File 80KB)

[Development of SiC power diodes]

• Development of SiC Epitaxial Growth Techniques with a Low Defect Density and Large Diameter and Preliminary Demonstration of Large SiC Diodes (PDF File 159KB)

[Design of demand area network]

• Development of Operation Control Technique for Autonomous Demand Area Power System -Demonstration of Isolated Operation Methods in Non-fault Section in the event of Grid Failure- (PDF File 241KB)

C. Harmonization of Energy and Environment

[Development of prediction method and countermeasure against global warming]

• Long-term Global Warming Projections of GHG Stabilization Scenarios -What is the Dangerous Anthropogenic Interference with Climate System? (PDF File 382KB)
• Scientific Assessments of the Impacts Due to Global Warming -Increase in Precipitation Amounts and Droughts- (PDF File 242KB)
• Production of Long-term Reanalysis Data for the Global Atmosphere (JRA-25) (PDF File 257KB)
• Strategy of Environmental Assessment for CO₂ Ocean Sequestration (PDF File 309KB)

[Clarification of trace elements behavior and their risks]

• Development of the Mercury Transport Model for East Asia (PDF File 219KB)

[Development of metallic fuel and pyro-process fuel cycle]

• Development of Electrochemical Reduction Process for Oxide Nuclear Fuel -To Integrate Metal Fuel FBR Cycle with LWR Cycle- (PDF File 207KB)
• Engineering-Scale Development of Injection Casting Technology for Metal Fuel Cycle (PDF File 278KB)
• Development of Metal Pyro-processing of Spent Nuclear Fuels -Series Process Test Using MOX- (PDF File 529KB)

[Assessment of biological effects of low-level radiation]

• Reduction of the Background Mutation by a Low Dose X-irradiation of Drosophila Immature Sperms at a Low Dose-rate (PDF File 77KB)
• Long Term Effects of Low Dose-rate Gamma Radiation on Mouse Hematopoietic System (PDF File 76KB)

[Development of technology for radioactive waste disposal]

• Study on Uplift Estimation by Using Fluvial Terraces for Characterization of Quaternary Tectonic Movement (PDF File 255KB)

[Effective utilization of biomass energy]

• Development of Hot Gas Purification System for Multi Impurities -Proposal of Mercury Absorbent and Halide Sorbent- (PDF File 145KB)

Base Research Subjects

1. Socio-economy

[Support for management strategies]

• Feasibility Study of Woody Biomass (Thinning Residue) Energy Businesses (PDF File 211KB)
• Trend of Electricity Liberalization in Europe (PDF File 96KB)
• Management and Organizational Strategies of Utility Companies -Experiences and Lessons in Foreign Utility Companies- (PDF File 91KB)
• Customer Satisfaction and Loyalty in the Choice of Electric Power Suppliers in Japan (PDF File 104KB)

[Clarification of socioeconomic trends]

• The Influence of Soaring Oil Prices on Japanese Industrial Prices (PDF File 78KB)

2. Environment

[Measures to regional environmental problems]

• Development of High Sensitive and Rapid Measurement Method for Chemical Substances in Nano-particles (PDF File 255KB)
• Improvement for Practical Use of High Resolution Ocean Radar -Evaluation of Measurement Precision and Development of Data Assimilation Model- (PDF File 264KB)

[Coexistence with the envionment]

• Engineering Development on High-value Added Effective Utilization of Coal-gasification-slag -Evaluation of Applicability to Lightweight-fine-aggregate for Concrete- (PDF File 225KB)
• Identification of Fouling Species in Barnacle Larvae by DNA Analysis (PDF File 220KB)
• Development of a New Survey Method for Wild Animals Using DNA Information -Raccoon-dog Individual Identification and Unknown Animal Sample Species Identification- (PDF File 224KB)

3. Energy Services for Customer

[Energy conservation and comfortable environment design]

• Potential of Plug-in Hybrid Electric Vehicle for Demand of Electric Power and Reduction of CO₂ Emission in Japan (PDF File 205KB)
• Study of Evaluation Method for New CO₂ Heat Pump Water Heater (PDF File 73KB)

4. Power Delivery

[Effective Use of Transmission Networks with Ensuring Reliability]

• Experimental Verification of Real-time Oscillatory Instability Prediction Scheme in CRIEPI's Power System Simulator -Development of Oscillatory Instability Prediction System for Multi-machine System- (PDF File 205KB)
• Assignment of LFC Regulation Capacity Considering Generator Dynamic Response -Proposal of Control Logic for more use of LFC Generators with Long Time Delay in Output Power Response- (PDF File 93KB)

[Cost reduction and ensuring reliability of power delivering]

• Development of a New Control Design Scheme Using Nonlinear Analysis -PSS Parameter Design Effective for Suppression of Oscillatory Instability- (PDF File 95KB)
• Optimization Method for Service Restoration in Sub-transmission Systems (PDF File 110KB)

[Harmonization of power delivery apparatus systems and society]

• Reduction in Level of Audible Noise from HVAC Transmission Lines Using Superhydrophilic Spiral Wires (PDF File 310KB)

[Development of new technology of transmission facilities]

• Application of Aluminum Nitride Spherical Nano-structured Composite Particles to Insulating Material of All Solid Insulated Transformer (PDF File 92KB)

5. Nuclear

[Improvement of economics and reliability of LWR power generation]

• Investigation of Hydraulic Effects on Pipe Wall Thinning at Orifice Downstream in Piping System (PDF File 421KB)
• The Study of the Effects of Rim Structure Formation on Fuel Performance in High Burnup LWR Fuels -Results of International Project "HBRP-NT"- (PDF File 252KB)

[Nuclear fuel cycle]

• Development of a Clearance Measurement System for Concrete Waste -Development of Correction Method of BG Count Rate Due to Natural Radionuclides in Concrete- (PDF File 126KB)
• Development of Dry Surface Decontamination Technology Using Low-Pressure Arc for Radioactive Waste (PDF File 141KB)

6. Fossil Fuel Power Generation

[Diversification and clean utilization of fossil fuels]

• Development of a Supporting System for Optimal Gasifier Operation (PDF File 312KB)

[Improving the efficiency of thermal power generation]

• Development of Coating Technology for Preventing Sulfide Corrosion on Boiler Tubes in Coal Fired Power Plant (PDF File 251KB)
• Development of Lifetime Estimation Method for MCFC Stack (PDF File 297KB)
• Development of Mass Production Process of Cerium Oxide Nanopowders (PDF File 208KB)

[Establishment of advanced pulverized coal combustion technology]

• Development of Reduction Technology of Unburned Carbon on Pulverized Coal Combustion -Blended Combustion of Sub-bituminous Coal with Bituminous Coal- (PDF File 166KB)

7. New Energy

[Utilization of natural and unutilized energy]

• Establishment of Control for a Battery Energy Storage System for Stabilization of Power Output of a Wind Farm (PDF File 188KB)

8. Information and Communication

[Utilization of Information Technology]

• Real-Time Detection of Intruders by Surveillance Camera (PDF File 102KB)

9. Construction and Preservation of Electric Facilities

[Measures against natural disasters]

• Investigation of Methods to Predict Snow Accretion Using Numerical Weather Prediction Models (PDF File 440KB)
• Study on Tsunami Soliton Fission and Its Breaking on Continental Shelf (PDF File 191KB)
• Development of In-situ Triaxial Test for Inhomogeneous Rock Mass (PDF File 249KB)
• Establishment of "Recommendations for Wind Loads on Transmission Towers (2005)" -Development of Simplified Method on Equivalent Static Wind Loads and Design Support Tools- (PDF File 263KB)

10. Advanced Basic Technologies

[Bio-science]

• Electrochemical Cultivation of Bacteria using a Quinone Compound as an Electron Carrier (PDF File 147KB)
• Cadmium Rapid Test Kit Using Immunochromatography -Application for Rice- (PDF File 169KB)

[Material science]

• Development of Vapor Explosion Promotor for Rapid Cooling and Atomizing of High Melting Point Metal (PDF File 160KB)
• Observation of "Spin Blockade" in a Bulk Single Crystal -Electron-Spin-Controlled Charge Conduction in a Layered Cobalt Oxide- (PDF File 187KB)

[Laser and plasma science]

• Development of X-ray Source Generated by Laser Plasma for Facilities Diagnosis (PDF File 206KB)
• Lidar Technology for Remote Sensing of Constituents of Microparticles in Air (PDF File 287KB)

Ⅱ Research Activities in Fiscal 2005

• Method of Conducting Research (PDF File 46KB)
• Principal new equipments
• Renewal of the High Power Short-Circuit Testing Facility (PDF File 132KB)
• Cavitation Induced Vibration Test Facility (PDF File 132KB)
• LA-ICP-MS, ICP-AES (PDF File 133KB)
• Glovebox system for the diffusion experiment (PDF File 133KB)
• Hybrid Seismic Test System (PDF File 51KB)
• Thermo-humidistat-equipped Inert Atmospheric Glove Box System (PDF File 118KB)
• Environmental wind tunnel system (PDF File 82KB)
• Intermediate frequency magnetic field exposure facility for in vivo studies (PDF File 67KB)