波力発電（１）
□APPENDIX
1ﾍﾟｰｼﾞ/1ﾍﾟｰｼﾞ
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* APPENDIX
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The length of the power generation buoy is 6,000 mm. The buoyancy of the buoy is
calculated to be 13,500 kgf from the volume. The weight of the buoy is calculated
to be 3,222 kgf. The weight force of the iron rubbish is 1,463 kgf. The total
weight is 4,685 kgf (46865= 3222+1463), so the depth of sinking by buoy weight
(Hb) is about 2,082 mm. The power generation buoy sinks 2,082 mm and stands up
vertically in the sea.
Electricity is not generated in free vibration. It is necessary to install the
dynamo to generate electricity. The buoy that floats on the ocean wave cannot
vibrate freely when the dynamo is installed. The power generation buoy receives
the resistance force from the pinion, which corresponds to the torque force
turning the dynamo.
When the torque load of dynamo does not load, power generation buoy vibrates
freely by ocean wave. When wave height (Wh) is 2500 mm, cycle of wave (t0) is 7.30
sec. So, the period of descent (t1) by gravity is 3.65 sec and the period of rise
by buoyancy is 3.65 sec. Because the power generation buoy vibrates without load
restriction, the moving height by gravity (Hmg) and the moving height by buoyancy
(Hmb) are the same as the wave height (Wh).
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