Patent ID: 9007210
Filing Date: 2015-04-14
Classification: G06F,H01L,Y02E

Abstract:
1. A photovoltaic system comprising: a solar array having: an inverter; a set of DC wires connected between the at least one solar panel and the inverter; a power supply configured to provide power to the at least one LMU during a time period in which the solar array is not producing power; and a controller coupled between the set of DC wires and the power supply, the controller configured to: wherein the respective LMU is configured to receive the power provided from the power supply via the controller and the set of DC wires when the solar array is not producing power; wherein the respective LMU is configured to maintain a specified pattern of communication with the controller; and wherein, if the specified pattern of communication ceases between the respective LMU and the controller after zero or more attempts by the controller fail to reestablish the specified pattern of communication with the respective LMU, the controller is configured to raise an alarm.