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CHAPTER 5: SETPOINTS
PQMII POWER QUALITY METER – INSTRUCTION MANUAL
5–39
When the “Single Phase Direct” connection is used the phase reversal feature will never
operate.
•
VOLTAGE PHASE REVERSAL DELAY
: If a voltage phase reversal exists for the time
programmed in this setpoint a voltage phase reversal condition will occur.
Note
Please note that the terms undervoltage and overvoltage used for alarm, are generic
regardless of sag/swell or undervotlage/overvoltage conditions based on duration of the
voltage disturbance
5.5.2
Harmonic Distortion
PATH: SETPOINTS
ÖØ
S4 ALARMS/CONTROL
ÖØ
TOTAL HARMONIC DISTORTION
•
AVERAGE CURRENT THD RELAY
: Excessive phase current THD detection can either be
disabled, used as an alarm, or as a process control. Set this setpoint to “Off” if the
feature is not required. Selecting “Alarm” activates the alarm relay and displays an
alarm message whenever an excessive average current THD condition exists.
Selecting an auxiliary relay activates the auxiliary relay, but no message will be
displayed. This is intended for process control.
•
AVERAGE CURRENT THD LEVEL
: When the measured average current THD exceeds
this setpoint value, an average current THD condition occurs.
•
AVERAGE CURRENT THD DELAY
: If the average current THD exceeds the
AVERAGE
CURRENT THD LEVEL
for the time delay programmed in this setpoint, an average current
THD condition occurs.
•
AVERAGE VOLTAGE THD RELAY
: Average voltage THD detection can either be
disabled, used as an alarm or as a process control. Set this setpoint to off if the feature
is not required. Selecting alarm relay will cause the alarm relay to activate and display
an alarm message whenever an average voltage THD condition exists. Selecting
auxiliary relay will cause the auxiliary relay to activate, but no message will be
displayed. This is intended for process control.
•
AVERAGE VOLTAGE THD LEVEL
: When the measured average voltage THD equals or
exceeds this setpoint value, an Average Voltage THD condition occurs.
TOTAL HARMONIC
[
Z
]
DISTORTION
AVERAGE CURRENT THD
RELAY: OFF
Range: Alarm, Aux1, Aux2, Aux3, Off
MESSAGE
AVERAGE CURRENT THD
LEVEL
≥
10.0 %
Range: 0.5 to 100.0% in steps of 0.5
MESSAGE
AVERAGE CURRENT THD
DELAY: 10.0
s
Range: 0.5 to 600.0 s in steps of 0.5
MESSAGE
AVERAGE VOLTAGE THD
RELAY: OFF
Range: Alarm, Aux1, Aux2, Aux3, Off
MESSAGE
AVERAGE VOLTAGE THD
LEVEL
≥
10.0 %
Range: 0.5 to 100.0% in steps of 0.5
MESSAGE
AVERAGE VOLTAGE THD
DELAY: 10.0
s
Range: 0.5 to 600.0 s in steps of 0.5
Содержание PQMII
Страница 8: ...TOC VI PQMII POWER QUALITY METER INSTRUCTION MANUAL TABLE OF CONTENTS...
Страница 12: ...1 4 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 1 OVERVIEW FIGURE 1 2 Feature Highlights...
Страница 19: ...CHAPTER 1 OVERVIEW PQMII POWER QUALITY METER INSTRUCTION MANUAL 1 11 FIGURE 1 9 Trace Memory Capture...
Страница 58: ...3 10 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 3 OPERATION...
Страница 78: ...4 20 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 4 SOFTWARE FIGURE 4 6 Voltage Disturbance Recorder...
Страница 84: ...4 26 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 4 SOFTWARE...
Страница 170: ...6 32 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 6 MONITORING...
Страница 196: ...7 26 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 7 APPLICATIONS...
Страница 198: ...8 2 PQMII POWER QUALITY METER INSTRUCTION MANUAL CHAPTER 8 WARRANTY...
Страница 208: ...A 10 PQMII POWER QUALITY METER INSTRUCTION MANUAL APPENDIX A...
Страница 216: ...B VIII PQM POWER QUALITY METER INSTRUCTION MANUAL CHAPTER B INDEX...