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AET and AET-C Measuring transducers

Digital multifunctional measuring transducers (standard and budget versions)

Description AET

Specification

Three galvanically independent current inputs (for different models):

Parameter Value
Nominal current In, A 0,5 / 1,0 / 2,5 / 5,0
Nominal voltage Un, V 3×220 / 380
Nominal voltage Un, V 3×57,7 / 100
Operating frequency range, Hz 45…65
Data registers refresh rate, Hz 6

Working condition set time, min, at most

10

Power consumption on current input, V·A,  at most

0,2 

Power consumption on voltage input (different models), V·A, at most

- 0,2 (AET 11х, 21х, 31х, 41х)
- 0,6 (AET 12х, 22х, 32х, 42х)

Power consumption on power supply 220V, 50 Hz, V·A, at most

2,8
Dimentions, mm 120×80×120
Weight, kg, at most 0,85
Working lifetime, h, at least 110 000
Average lifetime, years, at least 15

 

Values transmitted by interface

Measured value Designation Tree-wired circuit Four-wired circuit
AET 100 AET 200 AET 300 AET 400 AET 100 AET 200 AET 300 AET 400
RMS value of phase-to-phase voltage Uab
Ubc
Uca
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Average value of phase-to-phase voltage Uavg + + + + + + + +
RMS value of phase voltage Ua
Ub
Uc
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
RMS value of phase voltage Uph.avg - - - - + + + +
RMS value of residual voltage Uo - - - - + + + +
RMS value of phase current Ia
Ib
Ic
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Average value of phase current Iavg + + + + + + + +
RMS value of residual current Io - - - - + + + +
Active power of load phase Pa
Pb
Pc
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
Active power of three-phase system P - + + + - + + +
Reactive power of load phase Qa
Qb
Qc
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
Reactive power of three-phase system Q - - + + - - + +
Total power of load phase Sa
Sb
Sc
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
Total power of three-phase system S - - + + - - + +
Circuit frequency f - - - + - - - +
Note: Sign "+" means that function is avaliable "-" - not avaliable

Catalog:

Electrochemical power source Activator (Activator) is intended for battery maintenance, training and state checking.

Electrochemical power sources (batteries) analyzer
Digital multifunctional measuring transducers (standard and budget versions)
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