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 The importance of renewable energy with low impactlow impact on the environmenton the environment has been increasing in recent years. has been increasing in recent years.
IntroductionIntroduction
Because of the need to prevent problems such as Because of the need to prevent problems such as global warming, global warming,
However, the actual introduction of these systems has However, the actual introduction of these systems has been hindered been hindered because the power source of renewable energy is because the power source of renewable energy is unstable. unstable.
Triple hybrid renewable energy generation system
In order to stabilize the power source,
Triple hybrid renewable energy generation system
PurposePurpose
WindWind and SolarSolar energy which depend on weather conditions
A. I. T has carried out the demonstrative study of this system.
BiomassBiomass energy which can be stored and its input regulated
Triple hybrid renewable energy generation system
Triple Hybrid Renewable Energy Triple Hybrid Renewable Energy Generation SystemGeneration System
Overview of the systemOverview of the system
BiomassBiomassGeneratioGenerationnSystemSystem
PVPVSystemSystem
WindWindTurbineTurbineGeneratorGenerator
WTG SystemWTG System
Wind turbine generator Wind turbine generator (SUBARU 15/40)(SUBARU 15/40)
Specifications of the WTGSpecifications of the WTG
3φ 200[V]Grid voltage
50[Hz]Frequency
Interior typePCS
2 division typeTower
87[rpm]Max. rotational speed
58[rpm]Rated rotational speed
60[m/s]Survival wind speed
25[m/s]Cut-out wind speed
2[m/s]Cut-in wind speed
11[m/s]Rated wind speed
21[m]Hub height
15[m]Rotor diameter
40[kW]Rated power
SUBARU 15/40Model
3φ 200[V]Grid voltage
50[Hz]Frequency
Interior typePCS
2 division typeTower
87[rpm]Max. rotational speed
58[rpm]Rated rotational speed
60[m/s]Survival wind speed
25[m/s]Cut-out wind speed
2[m/s]Cut-in wind speed
11[m/s]Rated wind speed
21[m]Hub height
15[m]Rotor diameter
40[kW]Rated power
SUBARU 15/40Model
PV SystemPV System
PV module (HIT-190B2)PV module (HIT-190B2)3φ 200[V]Grid voltage
50[Hz]Frequency
30°Gradient angle
20.59[kW](190[W]× 108)
Max. output / system
14[kg]Weight / module
1,319× 894× 35Dimension / module
3.75[A]Short circuit current
67.5[V]Open circuit voltage
3.47[A]Maximum current
54.8[V]Maximum voltage
190[W]Max. output / module
HIP-190B2Model
3φ 200[V]Grid voltage
50[Hz]Frequency
30°Gradient angle
20.59[kW](190[W]× 108)
Max. output / system
14[kg]Weight / module
1,319× 894× 35Dimension / module
3.75[A]Short circuit current
67.5[V]Open circuit voltage
3.47[A]Maximum current
54.8[V]Maximum voltage
190[W]Max. output / module
HIP-190B2Model
Specifications of Specifications of the PV modulethe PV module
Biomass Generation SystemBiomass 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
Cyclone
Filter SeparatorHopper
Blower(at starting)
GasifierFlowmeter
Thermometer
Filter
Thermometer
Cooler
Radiator
Mixer
Gas meter
Air intake
Silencer Heatexchanger
Generator
Rotary Engine
Radiator
Exhaust
Cyclone
Filter SeparatorHopper
Blower(at starting)
GasifierFlowmeter
Thermometer
Filter
Thermometer
Cooler
Radiator
Mixer
Gas meter
Air intake
Silencer Heatexchanger
Generator
Rotary Engine
Radiator
Exhaust
Biomass Generation Biomass Generation SystemSystem
3φ 200[V]Grid voltage
50[Hz]Frequency
2 pole/3φ 200VGenerator
6.9~15.7[kg/h]Wood briq.
6.4~14.5[kg/h]Charcoal
Fuel consumption (expected)
1 : 1Air-fuel ratio
9.7Compression ratio
654[cc]× 2Displacement
Water coolingCooling
Rotary(2 rotor)Type
13BModel of Engine
3φ 200[V]Grid voltage
50[Hz]Frequency
2 pole/3φ 200VGenerator
6.9~15.7[kg/h]Wood briq.
6.4~14.5[kg/h]Charcoal
Fuel consumption (expected)
1 : 1Air-fuel ratio
9.7Compression ratio
654[cc]× 2Displacement
Water coolingCooling
Rotary(2 rotor)Type
13BModel of Engine
0
1000
2000
3000
4000
5000
6000
J F M A M J J A S O N D
Expe
cted
ene
rgy
prod
uctio
n[kW
h]
PV
Simulation for the Expected Power Simulation for the Expected Power ProductionProduction
4,939kWh4,939kWh
((WTG & PVWTG & PV ))
Wind
0
1,000
2,000
3,000
4,000
5,000
6,000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
[kW
h]
Wind PV Biomass
Power Production Power Production (( TargetTarget))
4,939kWh/Monthly4,939kWh/Monthly
System HistorySystem History
2004 / 3 Established
2004 / 4 has been operating since last April (The data has been collected. )
This system was
Power Production Power Production (( 2004 - 20052004 - 2005))
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
5,000
Apr May J un J ul Aug Sep Oct Nov Dec J an Feb Mar Apr J un J ul
Ener
gy P
rodu
ctio
n[kW
h]
BiomassPVWind
2004 2005
0
500
1,000
1,500
2,000
2,500
3,000
5 月 6 月 7 月 8 月 9 月 10 月 11 月 12 月 1 月 2 月 3 月 4 月
発電
量[k
Wh] 風力発電実績
風力発電予想
Ou
tput
[kW
]O
utp
ut[k
W]
MM JJ JJ AA SS OO NN DD JJ FF MM AA
Act. OutputAct. Output
Est. OutputEst. Output
Est. Output and Act. Output of WTGEst. Output and Act. Output of WTG
(( May 2004 May 2004 ~~ Apr. Apr. 20052005 ))
Output and Wind VelocityOutput and Wind Velocity
(( May 2004 May 2004 ~~ July July 20052005 ))
05
101520
253035
4045
0 5 10 15 20
Wind Velocity [m/ s]
Out
put[
kW]
Power Curve of WTGPower Curve of WTG
(( Apr. 2004 Apr. 2004 ~~ June June 20052005 ))
0
5
10
15
20
25
30
35
40
45
0 5 10 15 20
Wind Velocity [m/ s]
Ou
tpu
t [k
W]
Power Curve of WTGPower Curve of WTG
Control Program was changed in July 2005Control Program was changed in July 2005
0
500
1,000
1,500
2,000
2,500
3,000
5月 6月 7月 8月 9月 10月 11月 12月 1月 2月 3月 4月
[kW
h]
発電
量
太陽光発電実績太陽光発電予測
Est. Output and Act. Output of PVCEst. Output and Act. Output of PVC
(( May 2004 May 2004 ~~ July July 20052005 ))
MM JJ JJ AA SS OO NN DD JJ FF MM JJ
Ou
tput
[kW
]O
utp
ut[k
W]
Act. OutputAct. Output
Est. OutputEst. Output
Manage to Vibration and Noise Manage to Vibration and Noise ProblemsProblems
Remodel the GeneratorRemodel the Generator
WTGWTG
WTGWTG
Repair work for the GeneratorRepair work for the Generator
Biomass GBiomass G
Failure of the coupling by Excessive TorqueFailure of the coupling by Excessive Torque
Biomass GBiomass G
Effect of Unsuitable CombustionEffect of Unsuitable Combustion
Tar sticking (low temp.)Tar sticking (low temp.)Choking of Furnace (high temp.)Choking of Furnace (high temp.)
Clinker (about 1200℃Clinker (about 1200℃))
Deformation of fuelDeformation of fuel
•The proof examination of the triple hybrid generation The proof examination of the triple hybrid generation system has gone smoothly, however some problems have system has gone smoothly, however some problems have occurred.occurred.
•We are working on improvements or a re-design to We are working on improvements or a re-design to solve these problems.solve these problems.
•We are planning to construct a system that can supply We are planning to construct a system that can supply electricity consistentlyelectricity consistently throughout the year in the future.throughout the year in the future.
Concluding RemarksConcluding Remarks