ABB | SACE Emax 2
Ekip Touch - Measurements
2 - Measuring Measurements
117 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
2 - Measuring Measurements
List
The Measuring measurements are
Condition Access Page
Instantaneous voltages
Phase and line-to-line voltage measurements in real
time
117
Instantaneous powers
Real time measurements of the active, reactive,
apparent phase and total powers
117
Instantaneous frequency
Measurement of the line frequency 117
Trip
List of trips (TRIP) due to voltage, frequency, power
protections
118
Min-Max-Med
measurements
History of minimum, maximum and mean voltages and
powers recorded within a settable range
118
Peak factor
Real time measurement of the peak factor of the
currents
118
Power factor
Real time measurement of the power factor 118
Energy counters
Measurement of active, reactive, apparent energy 118
The relative associated measurements are activated by means of the
Ekip Synchrocheck
module (page
247).
Instantaneous measurements
Instantaneous currents, available in the
Summary pages
, are real time measurements of the line-to-line
and phase voltages expressed in root-mean-square value.
Representation, measuring range and performance depend on the set rated voltage (Un).
Available in the Summary pages, the instantaneous powers are real time measurements of the phase and
total active powers.
Representation, measuring range and performance depend on the set rated voltage (Un) and on the rated
current defined by the rated size of the Trip unit (In); in addition, the reference changes on the basis of
the type of measurement:
•
Sn
for total powers (Sn = In * Un * √3).
•
Pn
for phase powers (Pn = In * Un / √3).
NOTE:
the phase powers and voltages are available with 4P and 3P + N CBs
Measurement
Monitor time (min-
max)
Normal operating
range
Accuracy of value
read
(1)
Line-to-line voltages
(6)
5 V ÷ 900 V
(9)
100 ÷ 690 V 0.5 %
(8)
Phase voltages 5 V ÷ 900 V
(9)
50 ÷ 400 V 0.5 %
(8)
Line frequency 30 ÷ 80 Hz
(2)
f -10 % ÷ f +10 %
(4)
0,1 %
(3)
Total active, reactive
and apparent power
(7)
Pmin ÷ Pmax
(5)
0,3 ÷ 1,2 Sn 2 %
(3)
Active, reactive and
apparent phase power
Pmin ÷ Pmax
(5)
0,3 ÷ 1,2 Pn 2 %
(3)
(1)
the accuracies refer to normal operating ranges, as established by IEC 61557-12
(2)
available for voltage values of over 30 V (with Un < 277 V) or 60 V (with Un > 277 V)
(3)
accuracies based on Ekip Touch without Class 1 Power & Energy Metering package; if the Class 1
Power & Energy Metering package is present and for all other trip unit models, check the indicated
performance values from page 120
(4)
45 to 55 Hz with set frequency = 50 Hz; 54 to 66 Hz with f = 60 Hz
(5)
Pmin = 0,0625 In x 5 V; Pmax= 3 x 16 In x 900 V
(6)
the higher line-to-line voltages are also available in the Histograms, Measuring instruments and
Measurement summary pages
(7)
the higher total powers are also available in the Measuring instruments and Measurement
summary pages
(8)
without transformers; 0.7 % with class 0.2 external transformers
(9)
without transformers; with transformers, multiply the min and max values for the transformer
ratio between primary and secondary voltages
Continued on the next page
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