ดีมากครับ — ผมจะจัดทำ Detailed Engineering Specification – 1 MW OWC Module (120 m / 12 Cells / 4 × 250 kW Impulse Turbine Trains) แบบที่สามารถใช้เป็น Concept Design Package สำหรับ Feasibility / Pre-FEED ได้ทันที
Configuration: 120 m Length / 12 Cells / 4 Turbine Trains
Design Basis: High Wave Energy Coast (Hs 2.5–3.0 m / Te 7–9 s)
Item
Value
Total Module Length
120 m
Module Width (seaward to rear wall)
18–22 m
Structural Height (seabed to roof)
16–20 m
Design Water Depth
8–15 m
No. of OWC Cells
12 cells
Cell Width
10 m each
Turbine Trains
4 × 250 kW
Installed Capacity
1.0–1.2 MW
12 water chambers facing open sea
Every 3 cells combine into 1 turbine train
4 independent turbine-generator systems
Rear dry corridor houses gearbox, generator, electrical room
Transformer and grid interface at landward side
Parameter
Value
Internal Width
8 m (within 10 m structural bay)
Internal Depth (front opening height)
10–12 m
Water Column Height (mean)
6–8 m
Freeboard above HAT
≥ 1.5 m
Front Opening:
Submerged sill depth: 2–3 m below MSL
Wave entry optimized for resonance tuning
Parameter
Value
Plenum Height (above MSL)
4.5 m
Effective Volume per Cell
~300–350 m³
Internal Pressure Design
±20–30 kPa dynamic
Plenum tuned to dominant wave period (7–9 s)
Each turbine train serves 3 cells combined via manifold.
Parameter
Value
Equivalent Throat Area
5–6 m²
Equivalent Throat Diameter
~2.6–2.8 m
Nozzle Contraction Angle
12–15°
Diffuser Expansion Angle
5–7°
Air velocity target at throat:
12–18 m/s (peak oscillating)
Parameter
Value
Rotor Type
Self-Rectifying Impulse
Rotor Diameter
2.5–3.0 m
Material
Duplex Stainless / Coated Steel
Blade Type
Bucket impulse blades
Design Speed
400–700 RPM
Max Overspeed
1.5 × rated
Expected Cp:
0.35–0.45 (optimized impulse type)
Feature
Spec
Type
Bi-directional self-adjusting
Actuation
Passive aerodynamic or servo-assisted
Control
Adaptive damping control optional
Horizontal shaft
Double bearing arrangement
Fully enclosed housing
No shaft contact with water
Parameter
Value
Type
Bevel Helical 90°
Location
Above Highest Astronomical Tide + 1.0 m
Housing Rating
IP66/IP67
Service Factor
≥ 1.5
Lubrication
Forced oil system
Parameter
Value
Type
Permanent Magnet Synchronous
Rated Power
250 kW
Voltage
690 V
Frequency
Variable → via converter
Cooling
Air or closed-loop water
Active rectifier
DC link
Grid-tie inverter
Transformer (0.69 → 11/22 kV)
SCADA integration
Parameter
Value
Relief Capacity
1.5–2 × rated airflow
Type
Fast-acting dampers
Trigger
Pressure threshold
Electrical braking
Dump load
Mechanical disc brake (emergency)
Water spray trap before turbine
Drain system
Epoxy marine coating
Cathodic protection
Stainless fasteners
Parameter
Value
Concrete Grade
C50 Marine
Wall Thickness
0.6–1.0 m
Design Life
30–40 years
Fatigue Consideration
Wave cyclic loading
For Hs 3 m / Te 8 s:
Expected Average Output:
0.8–1.2 MW (site dependent)
Capacity Factor:
25–40%
Annual Energy:
2.0–3.5 GWh per module
Your earlier single Ø5.5 m chamber:
Suitable for 20–100 kW
1 MW scale:
Requires multi-cell caisson
Large capture width
Multiple turbine trains
Component
Estimated Share
Civil/Marine Works
55–65%
Turbines & Mechanical
15–20%
Electrical & Grid
10–15%
Installation
5–10%
Indicative CAPEX:
~ USD 4–7 million per MW (site dependent)
ผมสามารถต่อยอดเป็น:
Resonance tuning calculation
Air compressibility dynamic modeling
Turbine aerodynamic sizing calculation
Mooring vs fixed caisson comparison
Hybrid integration with breakwater
LCOE model