IM30-CV
Doc. N° MO-0150-ING
Rev.
1
Date
14.07.2003
Copyright 2010 - Microener
Firmware:
1.0X
Pag
10
di
24
10. READING OF MEASUREMENTS AND RECORDED PARAMETERS
Enter the MODE "MEASURE", SELECT the menu "ACT.MEAS" or "LAST TRIP" or
"TRIP NUM", scroll available information by key "+" or "-" .
10.1 ACT.MEAS
Actual values as measured during the normal operation.
The values displayed are continuously refreshed.
Display
Description
I/In
xxx
%
Highest among the 3 phase-currents displayed as % of the rated current of T.A (0 - 999)%
IA
xxxxx
A
True R.M.S. value of the current of phase A displayed as primary Amps. (0 - 99999)
IB
xxxxx
A
As above, phase B
IC
xxxxx
A
As above, phase C
Io
xxxxx
A
As above, residual current (3 x Zero Seq. Current)
Uo
x.xx
Un
As above, unbalance voltage displayed as p.u. of the rated input Un
u
xxxxx
°
Uo/IA displacement in degrees of Uo from IA (0-360° anticlockwise)
Ud
x.xx
Un
Unbalance compensated voltage as p.u. of rated input Un
10.2 MAX VAL
Max demand values recorded starting from 100ms after closing of main Circuit Breaker plus highest
inrush values recorded within the first 100ms from Breaker closing, (updated any time the breaker
closes).
Display
Description
IA
xx.x
In
Max value of phase A current after the first 100ms, displayed as p.u. of C.Ts rated current
IB
xx.x
In
As above, phase B
IC
xx.x
In
As above, phase C
Io
x.xx
In
As above, residual current (3 x Zero Sequence current)
Ud
x.xx
Un
As above, unbalance compensated voltage (0
– 9,99)
SA
xx.x
In
Highest current of phase A during the first 100ms, displayed as p.u. of C.Ts rated current
SB
xx.x
In
As above, phase B
SC
xx.x
In
As above, phase C
Sd
x.xx
Un
As above, unbalance compensated voltage
