3.2 test plane plane intended to contain the device under test
3.3 designated test area region of the test plane that is assessed for solar simulator classification
Note 1 to entry: If required, typical geometries can be specified. A specification related to a circular geometry is
also permitted.
3.4 data sampling time time to take a single data set (irradiance, voltage, current). In the case of simultaneous
measurement, this is given by the characteristic of the A/D converter. In the case of
multiplexed systems the data sampling rate is the multiplexing rate.
Note 1 to entry: In the case of simultaneous measurement, the data sampling time is given by the characteristic of
the A/D converter. In the case of multiplexed systems the data sampling time is the multiplexing rate.
The data sampling time is used for evaluation of temporal stability.
EXAMPLE In the case of non-simultaneous measurement, a multiplexing time of 1
µ
s would give a sampling rate
of 1 Mega samples per second; the data sampling time would be 3
µ
s.
3.5 data acquisition time time to take the entire or a part of the I-V curve of a PV device
Note 1 to entry: The data acquisition time depends on the number of I-V data points and a delay time that might
be adjustable.
Note 2 to entry: In the case of pulsed solar simulators the data acquisition time is related to the measurements
recorded during a single flash.
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