THE FIRST RENEWABLE ENERGY TRIPLE HYBRID GENERATION SYSTEM IN THE WORLD Yasuyuki NEMOTO (Ashikaga Inst. of Tech.) Yoshifumi NISHIZAWA (Ashikaga Inst. of Tech.) Izumi USHIYAMA (Ashikaga Inst. of Tech.)

The importance of renewable energy with low impact on the environment has been increasing in recent years. Introduction Because of the need to prevent problems such as global warming, However, the actual introduction of these systems has been hindered because the power source of renewable energy is unstable.

Triple hybrid renewable energy generation system In order to stabilize the power source, Triple hybrid renewable energy generation system Purpose WindSolar Wind and Solar energy which depend on weather conditions A. I. T has carried out the demonstrative study of this system. Biomass Biomass energy which can be stored and its input regulated Triple hybrid renewable energy generation system

Triple Hybrid Renewable Energy Generation System

Overview of the system BiomassGenerationSystem PVSystem WindTurbineGenerator

WTG System Wind turbine generator (SUBARU 15/40) Specifications of the WTG

PV System PV module (HIT-190B2) Specifications of the PV module

Biomass Generation System Biomass -> Gasification by partial combustion -> Flammable gas (main component = CO) -> Output from engine generator Principle Characteristic - High efficiency - Compact system -> Combined with air and sent to the IC engine

Biomass Generation System

JFMAMJJASOND Expected energy production[kWh] PV Simulation for the Expected Power Production 4,939kWh （ WTG & PV ） Wind

0 1,000 2,000 3,000 4,000 5,000 6,000 JanFebMarAprMayJunJulAugSepOctNovDec [kWh] WindPVBiomass Power Production （ Target ） 4,939kWh/Monthly

System History 2004 ／ 3 Established 2004 ／ 4 has been operating since last April (The data has been collected. ) This system was

Power Production （ ）

,000 1,500 2,000 2,500 3,000 5月5月 6月6月 7月7月 8月8月 9月9月 10 月 11 月 12 月 1月1月 2月2月 3月3月 4月4月 発電量 [kWh] 風力発電実績 風力発電予想 Output[kW] MJJASONDJFMA Act. Output Est. Output Est. Output and Act. Output of WTG （ May 2004 ～ Apr ）

Output and Wind Velocity （ May 2004 ～ July 2005 ）

Power Curve of WTG （ Apr ～ June 2005 ）

Power Curve of WTG Control Program was changed in July 2005

Est. Output and Act. Output of PVC （ May 2004 ～ July 2005 ） MJJASONDJFMJ Output[kW] Act. Output Est. Output

Manage to Vibration and Noise Problems Remodel the Generator WTG

WTG Repair work for the Generator

Biomass G Failure of the coupling by Excessive Torque

Biomass G Effect of Unsuitable Combustion Tar sticking (low temp.) Choking of Furnace (high temp.) Clinker (about 1200 ℃） Deformation of fuel

The proof examination of the triple hybrid generation system has gone smoothly, however some problems have occurred.The proof examination of the triple hybrid generation system has gone smoothly, however some problems have occurred. We are working on improvements or a re-design to solve these problems.We are working on improvements or a re-design to solve these problems. We are planning to construct a system that can supply electricity consistentlythroughout the year in the future.We are planning to construct a system that can supply electricity consistently throughout the year in the future. Concluding Remarks