Fluke 6135A/PMU, Руководство оператора

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Performance Verification
Procedures
9
9-7
gtu178.emf
Figure 9-1. Illustration of Plot
7. Open the file:
<userprofile>\Documents\Fluke PMUCal\System\Logs\T0 time
stamp.txt
The value “Diff” (3
rd
parameter) is in seconds.
8. Check that “Diff” is less than 1µs.
9. Close the T0 time stamp.txt file.
L2V Test
1. Connect channel 1 of the oscilloscope input to the L2V connection on the Calibration
System Input/Output panel (right side of the system).
2. In the Test Parameters menu 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 L2V as shown as shown in Figure 9-1.
5. Open the file:
6.
<userprofile>\Documents\Fluke PMUCal\System\Logs\T0 time
stamp.txt
The value “Diff” (3
rd
parameter) is in seconds.