Reverse biasing apparatus for solar battery module

摘要

A reverse biasing apparatus is used to remove (10) short-circuited portions in a solar battery module having multiple strings of solar cells each including a first electrode layer, a photovoltaic semiconductor layer and a second electrode layer formed on a glass substrate, by applying a reverse bias voltage between the electrodes of adjacent solar cells. The reverse biasing apparatus comprises probes (15) to be in contact with the electrodes of adjacent three or more strings of solar cells, an actuator for actuating the probes (15) up and down, and a relay switch (17) for selecting, from the probes (15), a pair of probes (15) for applying the reverse bias voltage between the electrodes of an arbitrary pair of adjacent solar cells. The use of the reverse biasing apparatus can ensure an efficient reverse biasing process on a solar battery module (10) having integrated multiple strings of solar cells.