Method and device for operating a solar cell assembly
A method is described for operating a solar cell assembly, particularly having solar cells that are organically based for power output from it, wherein an electric power output is controlled according to a specified time program, or at least one state variable of the solar cell assembly is monitored in a time-dependent manner, and the output electric power is controlled as a function of recorded measured values of the state variable.
1 - 10 . (canceled)
11 . A method for operating a solar cell assembly, which includes solar cells that are organically based, for providing electric power output from it, the method comprising:
one of controlling the electric power output according to a specified time program, and monitoring at least one state variable of the solar cell assembly in a time-dependent manner, the electric power output being controlled as a function of recorded measured values of the state variable.
12 . The method of claim 11 , wherein the electric power that is output is respectively periodically reduced for a predetermined time span and by a predetermined amount, as compared to a maximum power value.
13 . The method of claim 12 , wherein the periodic reduction is performed in a manner connected with a time of day, including as an overnight lowering of the power that is output.
14 . The method of claim 11 , wherein the electric power output is controlled by temporarily reducing the operating voltage to a suitable value for the regeneration of the solar cell assembly, which includes its idling voltage.
15 . The method of claim 11 , wherein the electric power output is monitored as the state variable, and its recorded measured value is used to control the output.
16 . The method of claim 11 , wherein the time dependence of the state variable is detected by scanning at equal intervals.
17 . A system, comprising:
a control arrangement, including:
a control device for controlling in time the output electric power, in which a control program is implemented; and
at least one of a timer connected to the control device on the input side, and a sensor connected to the control device on the input side for the time-dependent recording of the state variable and for outputting a signal to the control device that represents the recording result;
wherein the control arrangement is operable for operating a solar cell assembly, which includes solar cells that are organically based, for providing electric power output from it, by performing the following: one of controlling the electric power output according to a specified time program, and monitoring at least one state variable of the solar cell assembly in a time-dependent manner, the electric power output being controlled as a function of recorded measured values of the state variable.
18 . The system of claim 17 , wherein the sensor is configured as a power measuring unit for detecting the power that is output, including at its instantaneous value.
19 . The system of claim 17 , wherein a threshold value discriminator is connected between the sensor and the control device, so that the input signal output by the sensor for the control device is a function of one of exceeding and undershooting at least one specified threshold value of the state variable.
20 . The system of claim 17 , wherein the control device is configured as a process-controlled switch control unit having an internal or permanently connected control program memory.