1. Tidal Power
김근호 김지훈 박민주 박지환 변웅섭 이강용 허다범

2. 01
Tidal Power
Ebb tide
high
tide
high
tide
Sea water
Ebb tide

3. 01 Tidal Power Ocean Power Tidal/Tidal current (9%) Thermal
Desalination
(53%)
Wave power
(36%)
Salinity difference
(2%)

4. 01 Tidal Power Trend of technical development (Korea)
Check the validity of tidal power generation
in the west coast (Garolim Bay)
1980s
1993
B/C = 0.84 (not economical)  delayed
2004
Sihwaho Lake ; fresh water  sea water
2005
Garolim Bay  detailed investigation
Environmental effects evaluation
2011

5. 01
Tidal Power
Tidal Power plant

6. 01 Tidal Power strength weakness No exhaustion Clean energy
Small size of turbine
( than wind power )
Low energy density
Intermittent
Expensive
Limitation on location

7. 02 Old Megacity > 10 million Tokyo – Japan Jakarta – Indonesia
Shanghai – China
Karachi – Pakistan
New York city – US
Lagos – Nigeria
Mumbai – India
Osaka – Japan
Manila – Philippines
Los Angeles – US
Buenos Aires – Argentina
Bangkok – Thailand
Istanbul – Turkey
Rio de Janeiro - Brazil
> 10 million

8. 02 Old Megacity The difference between the rise and fall of the tide1
The difference between
the rise and fall of the tide
> 4.5m
Tidal range may vary over a wide range ( m) from site to site. A tidal range of at least 7 m is required for economical operation and for sufficient head of water for the turbines.
Mumbai
5.13m
Shanghai
4.26m
Guangzhou
3.53m

9. 02 Old Megacity The blocked area  big enough
The width bay entrance  narrow
Arabian Sea
Tidal range may vary over a wide range ( m) from site to site. A tidal range of at least 7 m is required for economical operation and for sufficient head of water for the turbines.
2km
Mumbai
Mahim bay

10. 02 Old Megacity Shanghai Guangzhou 1.7km Heng-sha-xiang
Chang-xing-xiang
Shanghai
Guangzhou
Shizi Ocean
3.1km

11. 02 Old Megacity India Mumbai, Mahim bay - 3rd biggest energy consumer
- 4th biggest producer of greenhouse gases
- Suffer from electric power shortage
Mumbai, Mahim bay
tidal current power + wave power + wind power

12. 03 New City North Korea Import 94.5% Export 97.2%
Potential of tidal power = 4700MW

13. 03 New City 5.53m 5.91m Oong jin Sunwi Do 8.13m 6.64m
Tae Yeon peong do
Chin-nampo

14. 03
New City
0.6 km
Oong Jin
1.0 km
Sunwi Do

15. 03
New City
1.6 km
Tae Yeon peong do
0.85 km
Chin-nampo

16. 03 New City Chin Nampo Stable energy supply to Pyeong Yang
60 km
- Biggest trade port
- Factories
Chin Nampo

17. generation of electricity03
New City
Intermittent
generation of electricity
ecosystem
destruction
Pumping-up power plant
Wind power
Realtime monitoring

18. 04
Q & A
Any
Questions