1–16
PQM POWER QUALITY METER – INSTRUCTION MANUAL
SPECIFICATIONS
CHAPTER 1: OVERVIEW
OVERVOLTAGE MONITORING
PICKUP:
1.01 to 1.25 in steps of 0.01
×
VT
DROPOUT:
97% of pickup
TIME DELAY:
0.5 to 600.0 in steps of 0.5 sec.
PHASES:
Any 1 / Any 2 / All 3 (programmable) must be
≥
pickup to
operate
ACCURACY:
Per voltage input
TIMING ACCURACY:
–0.5 / +1 sec.
UNDERFREQUENCY MONITORING
REQ’D VOLTAGE:
>
30 V applied in phase A
PICKUP:
20.00 to 70.00 in steps of 0.01 Hz
DROPOUT:
0.03 Hz
TIME DELAY:
0.1 to 10.0 in steps of 0.1 sec.
ACCURACY:
±0.02 Hz
TIMING ACCURACY:
±100 ms
OVERFREQUENCY MONITORING
REQ’D VOLTAGE:
>
30 V applied in phase A
PICKUP:
20.00 to 70.00 in steps of 0.01 Hz
DROPOUT:
Pickup – 0.03 Hz
TIME DELAY:
0.0 to 10.0 in steps of 0.1 sec.
ACCURACY:
±0.02 Hz
TIMING ACCURACY:
±100 ms
POWER FACTOR MONITORING
REQ’D VOLTAGE:
>
20 V applied in phase A
PICKUP:
0.50 lag to 0.50 lead step 0.01
DROPOUT:
0.50 lag to 0.50 lead step 0.01
TIME DELAY:
0.5 to 600.0 in steps of 0.5 sec.
TIMING ACCURACY:
–0.5 / +1 sec.
DEMAND MONITORING
MEASURED VALUES:
Phase A/B/C/N Current (A)
3
φ
Real Power (kW)
3
φ
Reactive Power (kvar)
3
φ
Apparent Power (kVA)
MEASUREMENT TYPE:
Thermal Exponential
90% response time
(programmable): 5 to 60 min. step 1
Block interval:
(programmable): 5 to 60 min. step 1
Rolling Demand
time interval:
(programmable): 5 to 60 min. step 1
PICKUP:
A: 10 to 7500 in steps of 1
kW: 1 to 65000 in steps of 1
kvar: 1 to 65000 in steps of 1
kVA: 1 to 65000 in steps of 1
PULSE OUTPUT
PARAMETERS:
+kWh, –kWh, +kvarh, –kvarh, kVAh
INTERVAL:
1 to 65000 in steps of 1
PULSE WIDTH:
100 to 2000 ms in steps of 10 ms
MIN. PULSE INTERVAL:
500 ms
ACCURACY:
±
10 ms
Содержание Multilin PQM
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