System and method for flash bypass
First Claim
1. A solar photovoltaic panel, comprising:
- at least one photovoltaic cell;
a local management unit connected between the at least one cell and an output of the solar photovoltaic panel;
a flash condition detector configured to detect onset of a light flash of a flash test; and
a bypass device connected to the cell operable to bypass the local management unit in response to the flash condition detector detecting the onset of the light flash of the flash test.
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Accused Products
Abstract
A solar photovoltaic panel is disclosed that includes a photovoltaic cell, a local management unit connected between the cell and a string bus, and a bypass device connected to the cell that is operable to bypass the local management unit when conducting a flash test. The panel preferably further includes a transient detector connected to the cell that is operable to sense an output from the cell having a predetermined transient rise time. The transient detector and the bypass device may be contained within a junction box integrated into the panel and may include the local management unit within the junction box. The transient detector may include a switch connected to a circuit that electrically bypasses the local management unit when the switch is turned on as a result of an output transient rise time less than the predetermined time, thus facilitating a flash test of the photovoltaic panel.
150 Citations
19 Claims
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1. A solar photovoltaic panel, comprising:
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at least one photovoltaic cell; a local management unit connected between the at least one cell and an output of the solar photovoltaic panel; a flash condition detector configured to detect onset of a light flash of a flash test; and a bypass device connected to the cell operable to bypass the local management unit in response to the flash condition detector detecting the onset of the light flash of the flash test. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A junction box, comprising:
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a local management unit connected to one or more photovoltaic cells; a flash condition detector configured to detect onset of a light flash of a flash test of the one or more photovoltaic cells; and a bypass device configured for electrically bypassing the local management unit in response to the flash condition detector detecting the onset of the light flash of the flash test. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of performing a flash test on a solar photovoltaic panel having a local management unit, the method comprising:
- providing a light flash source facing the solar photovoltaic panel;
providing a bypass device around the local management unit and a flash condition detector;
applying a light flash to the solar photovoltaic panel to cause the flash condition detector to detect onset of the light flash and cause the bypass device to bypass the local management unit in response to the flash condition detector detecting the onset of the light flash; and
measuring an output of the solar photovoltaic panel during the light flash. - View Dependent Claims (16, 17, 18, 19)
- providing a light flash source facing the solar photovoltaic panel;
Specification