GE MicroVersaTrip PM - Page 14

Micro
Versa
Trip
®
Pius
and
Micro
Versa
Trip
®
PM
Trip
Units
Chapter
1
.
Introduction
m
V
.
vi
'
Refer
to
trip
-
time
curves
in
GES
-
9865
(
AKR
)
,
GES
-
9866
(
Power
Break
and
R
-
Frame
)
,
and
GES
-
9863
(
ground
fault
)
for
accuracies
of
overcurrent
protec
-
tion
.
Liquid
Crystal
Display
Figure
4
illustrates
the
LCD
with
all
segments
illumi
-
nated
.
The
various
segments
are
energized
in
response
to
conditions
sensed
by
the
trip
unit
.
Full
-
Scale
Accuracy
1
-
8
Micro
Versa
Trip
Plus
and
Micro
Versa
Trip
PM
Accuracies
The
accuracy
data
in
Table
5
represent
the
average
expected
performance
of
MicroVersaTrip
Plus
and
MicroVersaTrip
PM
trip
units
,
together
with
their
associated
current
sensors
,
rating
plugs
,
potential
transformers
,
and
voltage
modules
.
These
data
are
valid
for
setup
,
metering
,
and
status
mode
displays
.
They
include
the
effects
of
trip
unit
ambient
-
temper
-
ature
variation
from
0
°
C
to
70
°
C
.
All
percentages
are
based
on
full
-
scale
values
.
Full
-
scale
current
is
X
,
the
rating
of
the
breaker
’
s
rating
plug
.
Full
-
scale
voltage
is
the
potential
transformer
primary
voltage
rating
.
These
data
do
not
include
the
accuracy
rating
of
any
measuring
instrument
.
Resolution
Value
±
2
%
±
0.5
digit
Current
(
A
,
kA
)
±
1.5
%
Voltage
(
V
)
±
0.5
digit
±
3.5
%
Energy
(
kWh
,
MWh
)
±
0.5
digit
±
3.5
%
Real
power
(
kW
,
MW
)
±
0.5
digit
±
3.5
%
Total
power
(
kVA
,
MVA
)
±
0.5
digit
Frequency
(
Hz
)
±
1
Hz
±
1
Hz
Time
delay
(
sec
)
±
1
sec
±
1
sec
Table
5
.
Protective
relay
and
metering
accuracies
and
resolutions
.
H
.
HH
VOLTS
AMPS
ABC
SETUP
S
X
C
STATUS
METER
kA
kWh
mW
mWh
kW
Hz
ORT
CIRCUIT
GF
NORMAL
LTIME
STIME
INST
GF
l
2
T
IN
l
2
T
OUT
VU
CU
UV
OV
PR
VL
-
L
VL
-
N
ENGY
PICKUP
DELAY
PWR
FREQ
PF
Figure
4
.
Liquid
crystal
display
segments
.
6
Courtesy of NationalSwitchgear.com