Innovative developments in the field of VELS wave power plants

The proposed developments in the field of wave power plants - VELS are a continuation of the topic of the publication "Method of converting wave energy into electricity". Journal "Alternative Energy and Ecology" No. 19-21 2017. Based on the materials of this article, a working prototype of a gyroscopic transducer of angular displacement energy was made, which confirmed the practical efficiency of the proposed concept of converting the energy of angular displacements into electricity using power gyroscopic modules. But the disadvantages inherent in the proposed construct were also identified. Taking into account the results obtained, two innovative designs of VELS were developed: а). "Gyroscopic converter of sea wave energy" . The essence of the invention: аn innovative device of an active float type without mechanical, hydraulic and pneumatic transmission links. The conversion of swing energy on the wave surface of water into electricity is carried out by means of the developed innovative spherical oscillatory electric generator. The stabilization of the rotor of the electric generator in space relative to the stator oscillating together with the casing - the float is carried out by the power gyroscopic unit. The use of the proposed conversion scheme allows to significantly increase the efficiency and reduce the weight and dimensions in comparison with the existing designs. The devices are designed to operate in both anchored and free-floating modes.
Analogues for purpose: they have a number of significant drawbacks - low efficiency, unsatisfactory weight and dimensions, non-transportability, complicated maintenance and repair, interference with navigation and fishing. This significantly hinders the widespread use of wave power plants. For example: pelamis Wave Power - "sea snakes". They are extremely large in size, low efficiency, difficult to maintain and repair, not easily transportable, pose a threat to shipping and fishing. Development status: Patent RU 2 688 857 C1 International application PCT / RU2019 / 000403 A working prototype of the device has been manufactured, which has confirmed its operability.
Technologies required for manufacturing: for the manufacture of the proposed converter of sea wave energy into electricity, no super technologies are required. Manufacturing can be organized on a production base with modern machine tools and technological equipment. Scope: due to the fact that the niche of wave power plants is currently virtually free, the scope of the proposed converter is extremely wide. Throughout the world's oceans - where their wavelength characteristics are appropriate. Expected effect of use: ocean waves are capable of generating 80 thousand TWh of electricity annually. For the efficient development of this potential energy, the present development is intended. b). "Stationary sea wave energy converter". The essence of the invention: an innovative device of the active float type without mechanical, hydraulic and pneumatic transmission links has been developed. The conversion of swing energy on the wave surface of water into electricity is carried out by means of the developed innovative spherical oscillatory electric generator. The developed floats are intended for installation on wave platform power plants of the Wave Star Energy type (Denmark), which generates electricity from the energy of raising and lowering the floats on the wave surface of the sea. The total energy of the sea wave consists of the sum of the kinetic energy of the rise and fall of the conventional displacement body and the energy of the angular displacements of the conventional displacement body. Moreover, both the one and the other energy are equal in magnitude. ... The proposed design of the float, which includes a spherical linear generator, makes it possible to sum up the energy of the rise and fall of the float and the energy of the angular displacements of the float. Analogues by purpose: existing analogs use only the energy of lifting and lowering a displacement body on the surface of a wave to generate electricity. For example Wave Star Energy (Denmark). Technologies required for manufacturing: to manufacture the proposed converter of sea wave energy into electricity, no super technologies are required. Manufacturing can be organized on a production base with modern machine tools and technological equipment. Scope: due to the fact that the niche of wave power plants is currently virtually free, the scope of the proposed converter is extremely wide. Coastal zones of the world's oceans. Expected effect of the application: the use of the proposed floats as part of platform wave power plants can increase their power efficiency by 100%.

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