A control system for a solar energy system causes motor assemblies to pivot the photovoltaic (PV) arrays of the solar energy system about respective longitudinal axes, e.g., to track the sun across the sky. The solar energy system also has an inverter with a known inverter rating, e.g., for a given output level and ambient temperature. The control system is programmed, inter alia, to determine when a calculated electrical output of the PV arrays, e.g., a future electrical output during an imminent future time period, exceeds the inverter rating. The control system then causes some or all of the PV arrays to pivot out of regular solar tracking mode into a position that introduces higher cosine losses, so as to reduce real-time electrical output from at least the direct normal component of real-time solar irradiance incident on the PV arrays involved in order not to exceed the inverter rating, or to exceed it less.

The present invention concerns a solar tracker (1000) comprising at least: A drive module (1100) comprising at least one mobile device comprising at least: At least one additional module (1200) configured to be driven by the drive module (1100), each additional module (1200) comprising at least one additional mobile device comprising at least:
characterized in that: Said solar tracker (1000) comprises at least one kinematic device (1300) for coupling said drive module (1100) and said additional module (1200); Said kinematic coupling device (1300) comprising at least one first part (1330) and at least one second part (1340), said first part (1330) being entirely supported by the mobile device of the drive module (1100) and said second part (1340) being entirely supported by the additional mobile device of the additional module (1200).

An arrangement of photovoltaic panels is configured for installation in a greenhouse having support beams. The arrangement includes frames. Each frame comprises at least one photovoltaic panel mounted on a rod. At least one motor is mechanically connected to rotate one or more rods, for bringing each photovoltaic panel to different fixed angular positions. Fittings are arranged at a perimeter of the arrangement. Each fitting is sized and shaped to attach to at least one of the support beams, such that the arrangement is supportable exclusively by the support beams. A system includes at least one such arrangement, a controller, and a plurality of sensors. The controller is programmed to select an optimal fixed angular position for each photovoltaic panel for promoting plant growth, based on environmental and plant conditions and the sensor outputs, and to instruct each motor to rotate each rod to the selected angular position.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.

Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.