CHAPTER 5: MONITORING A1 METERING
PQM POWER QUALITY METER – INSTRUCTION MANUAL 5–5
5.2.2 Voltage
FIGURE 5–3: Actual Values Page 1 – Metering / Voltage
Van, Vbn, Vcn, VOLTAGE: Displays each phase voltage corresponding to the A, B, and C
voltage inputs. This voltage will be measured correctly only if the
VT RATIO, VT NOMINAL
SECONDARY
, and VOLTAGE WIRING setpoint values match the installed VTs. If the
displayed voltage does not match the actual voltage, check the setpoints and wiring. This
message appears only if the
VT WIRING is configured for a wye input.
]] ACTUAL VALUES
]] A1 METERING
] VOLTAGE
]
Van = 120 Vbn = 120
Vcn = 120 V
Iavg= 100 AMPS
Vavg= 120 V L-N
AVERAGE LINE
VOLTAGE = 208 V
VOLTAGE UNBALANCE =
0.0%
]] ACTUAL VALUES
]] A2 STATUS
ACTUAL
Van MIN = 100 V
12:00:00am 01/01/95
Vbn MIN = 100 V
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Vcn MIN = 100 V
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Vab MIN = 173 V
12:00:00am 01/01/95
Vbc MIN = 173 V
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Vca MIN = 173 V
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V U/B MIN = 0.0%
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Van MAX = 140 V
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Vbn MAX = 140 V
12:00:00am 01/01/95
Vcn MAX = 140 V
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Vab MAX = 242 V
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Vbc MAX = 242 V
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Vca MAX = 242 V
12:00:00am 01/01/95
V U/B MAX = 5.1%
12:00:00am 01/01/95
MESSAGE
MESSAGE
MESSAGE
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