Megger MPQSIM, Руководство пользователя

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M
AVTMMPQSIM Rev 1 May 2017
26
8. Set Phase B Voltage Angle to 120
°
9. Allow the unit to record for several seconds.
10. Note the unit now displays a Phase Angle Event.
11. Set Phase C Voltage Angle to 251
°
12. Allow the unit to record for several seconds.
13. Set Phase C Voltage Angle to 240
°
14. Allow the unit to record for several seconds.
15. Note the unit now displays another Phase Angle Event.
16. Stop the recording.
17. The Phase Angle events can now be viewed on the unit
Voltage and Current Harmonics
Verify the Power Quality instrument connected to the simulator is programmed to
record power in a 4-wire wye 3-wattmeter configuration.
Method # 1 Real Time Harmonics DMM Screen
1. Verify the controls are set to their initial settings.
2. Verify the Voltage and Current Harmonic switches are set to OFF.
3. View the real time harmonics in the units real time DMM screen and note the
harmonic content is near 0.
4. Set the Phase A, B and C Voltage Harmonics to ON.
5. View the real time harmonics in the units real time DMM screen and note the 3 rd
order and 5 th order voltage harmonics now display
Method # 2 Real Time Harmonics Scope Screen
1. Verify the controls are set to their initial settings.
2. Verify the Voltage and Current Harmonic switches are set to OFF.
3. View the real time harmonics in the units real time Scope screen and note the
harmonic content is near 0.
4. Set the Phase A, B and C Current Harmonics to ON.