UI-Kennlinienmeßgerät für Solarmodule und -generatoren


UI-Kennlinienmeßgerät für Solarmodule und -generatoren

PVPM Users Manual Page 35


After finishing all entries press OK. Now you will be asked

whether the data should be transferred to PVPM. Normally you

should select “Yes” here.

8.4.5 Calculate internal series resistor

Basing on the values of short circuit current, open circuit voltage,

and the i and v value of the MPP the PVPM can calculate the

effective solar cell curve and with this the expected internal

series resistor Rs. This theoretical value can be compared to the

actually measured value and give a hint, whether there are

problems for example in the cabling.

8.4.6 Continous measurement

This function allows the automatically time measurement driven

from PC.

Set the desired time interval and the time unit (seconds, minutes,

hours) for the execution of the measurement and the number of

repetitions (0, if measurements shell be repeated infinite).

After pushing the button “Start measurement” the measurement

runs automatically and can be cancelled by the “Stop” button.

The measured data will automatically stored to files in the

predefined directory (see below). The file names contain the date

and time of the measurement.

PV-Engineering GmbH

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