String Error Detection method for the String Box in PV Generation System
2010
PV string error detection and a half power connection for the method of the present invention, setting the error rate and the duration of the half connection controller, and the maximum value in a current value of a string of each solar cell, the controller obtained by the current sensor every second After a first step of setting a reference value, the reference value is set to the controller, a second step to compare a current value of said each string, and a value obtained by multiplying the reference value and the error rate to determine the string error, the reference value and if the string to be kept small than the product of the error rate, if it exceeds a third step, and, the time period in which the small holding set for comparison if over time the time that the small holding set, the string is It is detected as being an error and a fourth step of transmitting the information to the collection server.
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