US 12158289

Here is a concise summary of US patent 12158289:

US Patent 12158289

• Title: Sensing and feedback for row on sun tracking method and system
• Current Assignee: Nextpower LLC
• Inventors: Yu Dong Ma, Yang Liu, Francesco Borrelli, Allan Daly, Ricardo Delgado-Nanez, Alexander W. Au
• Filing Date: August 4, 2023
• Issue Date: December 3, 2024
• Abstract: A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

Plain-Language Overview of Independent Claims:

• Claim 1: This claim describes a solar power plant with a solar tracker that supports multiple solar modules. It includes a drive device to rotate the tracker and a power strip on the tracker to power the drive device. A controller, with instructions stored in memory, determines a target angle for the tracker based on the topography of the solar power plant and sends a signal to the drive device to move the tracker to that angle.
• Claim 13: This claim describes a solar power plant that includes a solar tracker with solar modules, a drive device to rotate the tracker, a power source on the tracker, a tracker controller, and an irradiance sensor to measure local light. A "capture control module" is connected to the irradiance sensor and the tracker controller. This module contains a lookup table with historical data linking tracker angles to energy output for various light conditions. An angle adjustment module in the capture control module uses this information to create an angle adjustment or "gain factor" which is then sent to the tracker controller to control the solar tracker's angle.
• Claim 18: This claim describes a solar power plant system with multiple solar trackers, each having solar modules. Each tracker has its own tracker controller and a drive device. A solar power strip on each tracker supplies power to its controller and drive device. The system also includes an irradiance sensor for local weather information and a "main controller." The main controller gathers shading information from the solar power strips, receives local weather information from the irradiance sensor, and then adjusts the angles of all solar trackers using their individual controllers, based on both the shading information and local weather data.

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