Patent ID: 8921750
Filing Date: 2014-12-30
Classification: G01R,H02S,Y02E

Abstract:
1. A system comprising: an open-circuit voltage measurement device for measuring an open-circuit voltage of a string of solar battery panels in a state where the string and a load are not connected; a sunlight amount varying device for changing an amount of sunlight incident on the solar battery panel; a calculation sunlight amount varying device for outputting a signal for changing the amount of sunlight incident on the solar battery panels so that the open-circuit voltage generated by the string attains a predetermined voltage, based on the open-circuit voltage measured by the open-circuit voltage measurement device when the string and the load are in an open state; wherein the sunlight amount varying device is a direction varying device for changing at least one of a direction and an inclination of the solar battery panel surface, and wherein the calculation sunlight amount varying outputs, to the direction varying device, a signal for changing the direction and the inclination of the solar battery panel surface so that the open-circuit voltage generated by the string attains the predetermined voltage, in view of a relationship between the direction of the sunlight and the open-circuit voltage based on the open-circuit voltage measured by the open-circuit voltage measurement device.