Fluke 6135A/PMU, Руководство оператора

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6135A/PMU
Operators Manual
9-8
7. Check that “Diff” is < 1µs 6.6656 ms to 6.6677 ms (50 Hz nominal frequency),
5.5545 ms to 5.5566 ms (60 Hz nominal frequency).
8. Close the T0 time stamp.txt file.
L3V Test
1. Connect the oscilloscope Channel 1 input to the L3V connection on the system
connection panel.
2. In the Test Parameters pane set:
•
Input Frequency: to nominal frequency (50 Hz or 60 Hz)
•
Phase Shift: -30 ˚
•
Phase Step Size: -10˚
• Amplitude Step Size: 0
•
Step Time: 1
•
Number of Steps: 1
3. Select Run Test.
4. When the oscilloscope has triggered, use the vertical cursors to measure and record in
Table 9-4 the values of Ta, Tb, and Tc for L3V as shown as shown in Figure 9-1.
5. Open the file:
<userprofile>\Documents\Fluke PMUCal\System\Logs\T0 time
stamp.txt
.
6. The value “Diff” (3
rd
parameter) is in seconds.
7. Check that “Diff” is 3.3323 ms to 3.3343 ms (50 Hz nominal frequency), 2.7767 ms
to 2.7788 ms (60 Hz nominal frequency).
8. Close the T0 time stamp.txt file.
9. Remove the oscilloscope connections. Ensure all original connections are restored.
10. Replace the left side and rear panels.