Tunable photonic harvesting for solar energy conversion and dynamic shading tolerance

Patent metadata

Field	Value
Publication number	US-11146209-B2
Application number	US-201916447502-A
Country	US
Kind code	B2
Filing date	Jun 20, 2019
Priority date	Jul 31, 2015
Publication date	Oct 12, 2021
Grant date	Oct 12, 2021

Abstract

Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein. A system includes a solar photovoltaic module; a sensor device operative to determine portions of the solar photovoltaic module that are underperforming; a plurality of configurable reflective surfaces, wherein: each of the configurable reflective surfaces is physically connected to the solar photovoltaic module at a given angle in relation to the surface of the solar photovoltaic module; and each of the configurable reflective surfaces is configurable based on a determination of the underperforming portions of the solar photovoltaic module to collect and distribute direct solar radiation and diffuse solar radiation across the solar photovoltaic module in a targeted manner to offset the underperforming portions by a given amount; and a heat transfer mechanism coupled to the solar photovoltaic module and operative to reduce the temperature of the solar photovoltaic module.

First claim

What is claimed is:

1. A system comprising:
a solar photovoltaic module;
a sensor device operative to determine one or more of multiple portions of the solar photovoltaic module that are underperforming in relation to one or more separate portions of the solar photovoltaic module;
a plurality of configurable reflective surfaces comprising one or more reflective surfaces of a first type, one or more reflective surfaces of a second type, and one or more reflective lenses, wherein:
one or more reflective surfaces of the first type are physically connected to at least a portion of the solar photovoltaic module at a given angle in relation to the surface of the solar photovoltaic module;
the one or more reflective surfaces of the second type are physically connected to at least a portion of the one or more reflective surfaces of the first type;
the one or more reflective lenses are physically connected to at least a portion of the one or more reflective surfaces of the second type via one or more items of rectangular transparent glass; and
each respective one of the plurality of configurable reflective surfaces is configurable based on a determination of the one or more underperforming portions of the solar photovoltaic module to (i) collect direct solar radiation and diffuse solar radiation and (ii) distribute the collected direct solar radiation and the collected diffuse solar radiation across the multiple portions of the solar photovoltaic module in a targeted manner to offset the one or more underperforming portions of the solar photovoltaic module by a given amount; and

a heat transfer mechanism coupled to the solar photovoltaic module and operative to reduce the temperature of the solar photovoltaic module.

2. The system of claim 1 , wherein the heat transfer mechanism comprises a forced convection mechanism comprising:
a temperature sensor coupled to the solar photovoltaic module;
one or more fans; and
a controller, wherein said controller comprises at least a memory and a processor coupled to the memory.

3. The system of claim 2 , wherein the temperature sensor senses the temperature at or on a surface of the solar photovoltaic module.

4. The system of claim 3 , wherein the temperature sensor communicates the sensed temperature to the controller.

5. The system of claim 3 , wherein the controller, based on the sensed temperature, transmits a control signal to the one or more fans to control fan speed of the one or more fans.

6. The system of claim 5 , wherein the one or more fans are operable to reduce the temperature of the solar photovoltaic module in accordance with the control signal transmitted from the controller.

7. The system of claim 1 , wherein the plurality of configurable reflective surfaces comprise ten or more reflective surfaces.

8. The system of claim 1 , wherein the plurality of configurable reflective surfaces are individually configurable.

9. The system of claim 1 , wherein the plurality of configurable reflective surfaces are configurable collectively as a group.

10. The system of claim 1 , wherein the given amount comprises a predetermined percentage of production of the highest-producing portion of the solar photovoltaic module.

11. The system of claim 1 , wherein the given angle comprises a fixed angle in relation to the surface of the solar photovoltaic module.

12. The system of claim 1 , wherein said distributing in a targeted manner comprises distributing (i) the collected direct solar radiation and (ii) the collected diffuse solar radiation uniformly across the multiple portions of the solar photovoltaic module.

13. The system of claim 1 , wherein the plurality of configurable reflective surfaces comprises one or more flat reflective surfaces.

Assignees

• IBM

Inventors

• Chandan Vikas
• Kalyanaraman Shivkumar

Classifications

• H02S40/44

  Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time (directly associated with the PV cell or integrated with the PV cell H10F77/67) · CPC title

• Y02E10/52

  PV systems with concentrators · CPC title

• Y02E10/60

  Thermal-PV hybrids · CPC title

• Y02B10/10

  Photovoltaic [PV] · CPC title

• H02S50/00

  Monitoring or testing of PV systems, e.g. load balancing or fault identification · CPC title