Ikegami Y_ OTEC Okinawa Plant

-Seminar and Technology Match Make Eventby Government of the Netherlands
100 kW CC-OTEC Plant and Deep
Ocean water Applications
in Kumejima, Okinawa, Japan
Hawai’i Convention Center
Honolulu, HAWAI’I,USA
September 10, 2013
Yasuyuki Ikegami
Institute of Ocean Energy, Saga University(IOES), JAPAN
Katsuya
Furugen
Department of Commerce, Industry and Labor
Okinawa Prefectural Government
OTEC Demonstration Facility in Kumejima
(Okinawa)
Okinawa Prefectural Deep Sea Water
Research Center, since 2000
OTEC Demonstration
Facility
(Picture on 10 March. 2013)
Go to NEW STAGE (ReSTART) of
Real OTEC Technology to
connect the electric grid
for the first time in 15 years
in the world.
IOES (Institute of Ocean Energy, Saga Univ.)
30 kW
Electricity
Lithium Recovery
Desalination
H2 Storage
Experiments and Demonstration
by IOES (Institute of Ocean
Energy, Saga University)
NEDO Renewable Energy Technology
White Paper (outline)
~ Toward a new, energy-diversified society ~
July 2010
New Energy and Industrial Technology Development
Organization (NEDO)
JAPAN
7. OTEC
～Technology Roadmap～
Power Demands in Okinawa
Okinawa Mainland
Population：
approx.1.25mil.
Total Capacity of Existing
Power Plant：
1733MW
Kumejima
Population：
approx.9thou.
Total Capacity of Existing
Power Plant：
19.2MW
Miyakojima
Population：
approx.50thou.
Total Capacity of Existing
Power Plant：
76.5MW
Ishigakijima
Population：
approx.45thou.
Total Capacity of Existing
Kuroshio Current Area
Power Plant：
69MW
Chichijima
Population：
approx.2 thou.
Total Capacity of Existing
Power Plant：4.3MW
Minamitorishima
（Out of this map:
24o17’N 153o59E）
Okinotorishima
REFERENCE：
NEDO「
海洋エネル
ギーポテンシャルの把握に係る業務」
（平成23年3月）における温度差分
布図（5年間平均値）
に追記
8
Implementation System of Okinawa’s OTEC
Demonstration Project
Institute of Ocean Energy,
Saga University
Okinawa pref. Gov
Commission
Cooperation
Cooperation
ＩＨＩ Plant Construction, Xenesys, Yokogawa Electric （JV）
Main role
○ ＩＨＩ Plant Construction
○ Xenesys
○ Yokogawa Electric
Produce & set up sea water system
Design, work
・・・ｅｔｃ
Basic concept
Produce & set up generation unit & heat exchanger
Examine multiple usage of DSW ・・・ｅｔｃ
Produce & set up electricity & control system
・・・ｅｔｃ
100kW OTEC Demonstration Facility in Kumejima
(Okinawa) Power Generation Unit
Unit A for
Continuous Power
Generation
(max.50kW)
Evaporator A
Evaporator B
Unit B for
Experiments on
Elemental Technology
(50kW size without
Turbine Generator)
>Working Fluid: R134a
>Thermo Cycle: Rankine
(2-Stage Rankine when Unit-A
and B are combined)
>Evaporator and Condenser:
Titanium Plate HEX (Cross Flow)
>Turbine Generator (Unit-A):
50kW, 400V, 33000rpm with
frequency conditioner
Monitoring
and Control
Space
Condenser A
Condenser B
OTEC Demonstration Facility in Kumejima
(Okinawa)
Recent Mile Stones
Jan. 2013
Feb. 2013
Mar. 2013
Apr. 2013
May. 2013
June,2013
16 June.
Official
Operation
Starts
28 Jan.
Construction
Started at Site
30 Mar. / 1st Power Generation Test Succeeded
Surface Water:
Deep Water:
Power Output:
23.5 oC, 330t/h
9.3 oC, 250t/h
3.1kW (for Test)
Aquaculture
Using DOW
‘TAKUMI’ Project
拓海
Recycling Mineral Rich
Deep Ocean Water
(by Prof. Ouchi)
Marine Forum 21 Project
TAKUMI in Final Docking Before Delivery
in IHI Yokohama Shipyard, May 2003
海洋肥沃化装置「拓海」の開発と実海域実験
海洋肥沃化装置「拓海」の設計・製作・設置・運用について
㈱大内海洋コンサルタント大内一之
㈱大内海洋コンサルタント
大内 一之
TAKUMI on Operation at Sagami Bay
(by Prof. Ouchi, The University of Tokyo )
Nippon Kaiji Kyokai (known as ClassNK) has issued its first
Approval-in-Principle (AIP) for Totally Submerged OTEC
floating power plant model of JMU(Japan Marine United Corp.)
On September 2nd ,2013
16
Fukushima Wind Farm Project
17
18
Nippon Kaiji Kyokai (known as ClassNK) has issued its first
Approval-in-Principle (AIP) for Totally Submerged OTEC
floating power plant model of JMU(Japan Marine United Corp.)
On September 2nd ,2013
19