Deep-sea current generator uses the power of deep-sea current to generate electricity. In the deep-sea environment, the power of water flow is very strong and stable, which can provide reliable energy. Deep-sea water flow generators usually use rotating machinery such as turbines or water turbines to convert water flow power into mechanical energy, and then convert mechanical energy into electrical energy through converters. The advantage of this kind of generator is that it can run stably in deep sea environment, but the disadvantage is that the construction and maintenance costs are high.
Thermoelectric generators use the temperature difference between the deep sea and the sea surface to generate electricity. In the deep-sea environment, the water temperature is low because the direct sunlight cannot illuminate, while the ocean surface is irradiated by sunlight, and the water temperature is high, thus forming a temperature difference. Thermoelectric generators exchange heat between deep seawater and surface seawater through heat exchangers to generate steam to drive turbines to rotate, and then drive generators to generate electricity. The advantage of this kind of generator is that the temperature difference is stable in the deep sea environment and it can generate electricity continuously. The disadvantage is that it is greatly influenced by the marine environment and climate.
Generally speaking, deep-sea power generation devices and power generation methods are a kind of renewable energy technology with great potential. They can not only provide a lot of clean energy and reduce dependence on fossil fuels, but also reduce greenhouse gas emissions and slow down the pace of global climate change. However, at present, deep-sea power generation technology is still in the primary stage and needs further research and development. In the future, the development and application of deep-sea power generation technology can be promoted by improving generator design, improving power generation efficiency and reducing costs.