IL320131A

IL320131A - Power transmission system and methods

Info

Publication number: IL320131A
Application number: IL320131A
Authority: IL
Inventors: Ehud DAON; Soroush Dehghani Mohammadabadi; Mohammadjavad Shariatzadeh; Ehsan Hadizadeh Hafshejani; Faezeh Samanipour
Original assignee: Daanaa Resolution Inc; Ehud DAON; Soroush Dehghani Mohammadabadi; Mohammadjavad Shariatzadeh; Ehsan Hadizadeh Hafshejani; Faezeh Samanipour
Priority date: 2022-10-14
Filing date: 2023-09-13
Publication date: 2025-06-01
Also published as: KR20250107825A; JP2025535848A; EP4602691A1; CN120035917A

Claims

1 Claims:

1. A system for transferring power from at least one DC power source to a variable load, the system comprising: disposed proximate and in electrical communication with each of the at least one DC power source a corresponding high frequency power module, and a single aggregator configured for receiving via all of the at least one high frequency power modules power from the corresponding at least one DC power source, wherein: each of the at least one high frequency power modules comprises an high frequency (HF) switching signal generator and one pair of differential self -synchronous radio frequency rectifier/amplifiers, both rectifier/amplifiers in the pair are in wired electrical communication with the DC power source corresponding to the at least one high frequency power module and configured to extract power from the corresponding DC power source, and the HF switching signal generator is configured to provide switching signals to the corresponding pair of differential self -synchronous radio frequency rectifier/amplifiers.

2. The system of claim 1, wherein all of the at least one high frequency power modules are mutually phase-locked, optionally via a phase lock loop to an AC power signal in the variable load.

3. The system of claim 2, wherein the phase lock loop is incorporated in the corresponding high frequency power module.

4. The system of claim 1, wherein each of the at least one high frequency power modules comprises in wired electrical communication with both differential self -synchronous radio frequency rectifier/amplifiers an HF link to receive and mix power signals from t he two differential self-synchronous radio frequency rectifier/amplifiers and to transmit on a wired basis a mixed power signal.

5. The system of claim 4, wherein each of the at least one high frequency power modules comprises a switched mode rectifier in wired electrical communication with the HF link, wherein the switched mode rectifier is disposed and configured to receive and rectify the mixed power signal and to transmit on a wired basis a rectified power signal.

6. The system of claim 5, wherein each of the at least one high frequency power modules comprises an unfolding circuit disposed and configured to receive from the switched mode rectifier the rectified power signal, to unfold the rectified signal and to transmit on a wired basis a n unfolded power signal.

7. The system of claim 1, comprising a bimodal wireless near-field HF link system, wherein each of the at least one high frequency power modules comprises one primary side of the HF link system in wired electrical communication with both differential self -synchronous radio frequency rectifier/amplifiers in the at least one high frequency power m odule; 1 the system comprises a single collective secondary side of the HF link system configured to receive power from all of the at least one HF link primary sides; and the secondary side comprises a single receiver resonator and a single receiver module.

8. The system of claim 7, wherein the receiver module is contained in the aggregator along with a switched mode rectifier and an unfolding circuit, wherein the switched mode rectifier is in wired electrical communication with the receiver module and the unfolding circuit to receive and rectify a mixed power signal from the receiver resonator, and the unfolding circuit is in wired electrical communication with a junction unit and is configured to receive and unfold a rectified power signal from the rectifier and provide it to the variable load.

9. The system of claim 1, wherein the switching signals provided to the two differential self -synchronous radio frequency rectifier/amplifiers by the HF switching signal generator differ by one of a predetermined frequency difference and a predetermined pha se difference.

10. The system of claim 1, comprising a controller, wherein the controller is configured to communicate to the HF switching signal generator at least one of a frequency and a phase determined by the controller based on information about the load and about the DC source, optionally wherein the high frequency power module comprises the controller.

11. The system of claim 1, wherein the at least one DC source is a photovoltaic cell and the system comprises: a planar transparent solar cover having planar first and second solar cover surfaces; and a frame for mounting the transparent solar cover, wherein the at least one photovoltaic cell is disposed on the first solar cover surface with a planar light-sensitive surface of the at least one photovoltaic cell facing the first solar cover surface.

12. The system of claim 11, wherein each high frequency power module comprises a high frequency power circuit on a printed circuit board in wired electrical communication with the corresponding at least one photovoltaic cell.

13. The system of claim 12, wherein the high frequency power circuit is disposed on a planar surface of the printed circuit board facing away from the first solar cover surface.

14. The system of claim 13, comprising a conformal encapsulation layer bound to the first solar cover surface and covering the at least one photovoltaic cell and the corresponding high frequency power module.

15. The system of claim 14, further comprising a dielectric protective cap over the high frequency power circuit. 1

16. The system of claim 15, wherein the protective cap is disposed over the conformal encapsulation layer.

17. The system of claim 15, wherein the protective cap is disposed under the conformal encapsulation layer.

18. The system of claim 15, wherein a perimeter of the protective cap is disposed under and sealed to the conformal encapsulation layer with the protective cap protruding through the conformal encapsulation layer.

19. The system of claim 12, wherein the printed circuit board is disposed proximate the corresponding at least one photovoltaic cell.

20. The system of claim 12, wherein the printed circuit board is disposed on an insulating layer disposed on the rear surface of the photovoltaic cell.

21. The system of claim 11, wherein the at least one photovoltaic cell is arranged in an array.

22. The system of claim 11, wherein the planar first solar cover surface comprises an optically transparent polymeric layer.

23. The power transfer system of Claim 1, wherein the variable load is a rechargeable battery.

24. A method for making a solar panel, the method comprising: disposing on a first planar surface of a transparent solar cover at least one photovoltaic cell having a light-sensitive surface facing the first planar surface of the transparent solar cover and a high frequency power module comprising on a PC board a high frequency power circuit in communication with the at least one photovoltaic cell for collecting power from the at least one photovoltaic cell, wherein the high frequency power circuit is disposed on a planar surface of the PC board facing away from the transparent solar cover; arranging on an opposing side of the at least one photovoltaic cell from the first surface of the transparent solar cover a thermally deformable polymeric sheet extending over the surface area of the transparent solar cover to form a lamination stack in a plane; transferring the lamination stack to a vacuum oven; establishing a vacuum in the vacuum oven to remove air between layers of the lamination stack; heating the lamination stack to a deformation temperature of the thermally deformable polymeric sheet; applying pressure to the stack normal to the plane; restoring an ambient air pressure in the vacuum oven to bond the thermally deformable polymeric sheet onto to the transparent solar cover and to force the thermally deformable polymeric sheet conformally onto the at least one photovoltaic cell and the high frequency power module to form a packaged array of photovoltaic modules; and 1 mounting the packaged array of photovoltaic modules in a frame.

25. A circuit for transferring power from at least one DC power source to a variable load, the circuit comprising: a high frequency power module for each DC power source, each high frequency power module having a power output, each high frequency power module including a high frequency signal generator and a pair of differential self -synchronous radio frequency rectifi er/amplifier, the high frequency switching signal generator being configured to provide switching signals to the corresponding pair of differential self -synchronous radio frequency rectifier/amplifier, each differential self -synchronous radio frequency rectifier/amplifier having a wired connection to a corresponding one of the at least one DC power source; and a single aggregator configured for receiving via all of the at least one high frequency power modules power outputs from the corresponding at least one DC power source.

26. The circuit of Claim 1, wherein the variable load is a rechargeable battery.