Fluke SMFT-1000 - 50 Hz and 60 Hz AC Current Test; AC;DC Power; Ascending DC Test; Descending DC Test

Multifunction PV Analyzer
Performance Tests
37
Ascending DC Test
To perform the Ascending DC test, follow the order of the test points. Any deviation results in
repeating the Ascending DC test from step 1. Complete the test points in Ta b l e 1 3 for
Ascending DC test points using Setup #1, Setup #2, Setup #3, and Setup #4 procedures in
order of operations from the table. See Hysteresis.
Descending DC Test
To perform the Descending DC test, follow the order of the test points. Any deviation results in
repeating the Descending DC test from step 1. Complete the test points in Ta b l e 1 3 for
Descending DC test points using Setup #1, Setup #2, Setup #3, and Setup #4 procedures in
order of operations from the table. See Hysteresis.
50 Hz and 60 Hz AC Current Test
Complete test points in Ta b l e 1 3 for AC Current test points using Setup #1, Setup #2,
Setup #3, and Setup #4 procedures in order of operations from the table. See Hysteresis.
Make sure to set the 8808A DMM to ACV mode instead of DCV mode.
AC/DC Power
To veri f y :
1. Set all equipment and the DUT to standby mode.
2. Connect the test leads for high-current test points (see Figure 15):
a. Connect the green clamp lead to the DUT green connector and the yellow clamp lead to
the DUT yellow connector.
b. Connect the low-thermal EMF test leads from DUT red connector to NORMAL red port
on the 552xA and the DUT blue connector to the LO black port below the NORMAL red
port.
c. Connect the high-current test leads from the 20A output of the 552xA calibrator to the
terminals of the 25-turn coil.
These test leads connect the 20 A red port on the 5522A to the positive (red) terminal
of the 25-turn coil and the LO black port above the 20 A red port to the negative (black)
terminal of the 25-turn coil.
d. Disconnect all other test leads.
e. Connect a high-current test lead from NORMAL red port and the Lo Port below Port 30
(552xA).
This test lead is the single wire in the test point table (see Ta b l e 1 4 ).
f. Position the current clamp through the designated area of the 25-turn coil for the 95 A
test points.
g. Center the current clamp around the single wire test lead for the 1 A test points.