Abstract
In this paper, an I–V measurement system for solar cells based on Single-chip Microcomputer (MCU) is presented. According to the test principles of solar cells, this measurement system mainly comprises of two parts—data collecting, data processing and displaying. The MCU mainly used as to acquire data, then the collecting results is sent to the computer by serial port. The I–V measurement results of our test system are shown in the human-computer interaction interface based on our hardware circuit. By comparing the test results of our I–V tester and the results of other commercial I–V tester, we found errors for most parameters are less than 5%, which shows our I–V test result is reliable. Because the MCU can be applied in many fields, this I–V measurement system offers a simple prototype for portable I–V tester for solar cells.
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