ABB EM01 - 08. Monitoring and reporting; Metering and Monitoring Parameters

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08. Monitoring and reporting
Metering, Monitoring and Reporting functions
Metering and monitoring M101 M102
Power information
Current L1,L2,L3 (A) √ √
Current L1,L2,L3 (%)
1
√ √
Current unbalance (%)
2
√ √
Thermal capacity (%) √ √
Power factor - √
Line voltages (V) - √
Frequency (Hz) - √
Earth fault current (A) √ √
Active power (kW) - √
Apparent power (kVA) - √
Energy (kWh) - √
Thermistor resistor (ohm) - √
Time to TOL trip √ √
Time to TOL reset √ √
Actual startup time √ √
Motor status
Motor status √ √
DI status √ √
Diagnosis
Alarm/trip for each function √ √
Maintenance
Motor running hours √ √
Motor stop time √ √
Number of starts √ √
Number of trips √ √
Number of insertion cycles √ √
Parameter change counter √ √
Pre trip phase A/B/C current √ √
Pre trip earth fault current √ √
SOE √
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Table 44 Parameters monitored by M10x
Remark: 1. Current% measured current compares with nominal current. For example, Current% of L1 = I
L1
/ In*100%;
2. Current unbalance measured the maximum difference between current and average current with average
current. The formula is : I
ave
=(I
L1
+I
L2
+I
L3
)/3; Current Unbalance = max I
L1
- I
ave
, I
L2
- I
ave
, I
L3
- I
ave
)/ I
ave
*100%
3. If phase current measured is below 5% of nominal current, 0 amp is displayed.
4. Power factor measurement in M102 is based on phase A (L1). Active power, apparent power, energy, are calculated
based on power factor measurement.
70 M O TO R C O NT R O L A N D P R O T E C T I O N U N I T M1 0 X U SE R G U I D E