GE CEYG51A Instructions Manual

INSTRUCTIONS
GEK-26423D
TYPE
GROUND
CEYG51A
DISTANCE
RELAY
GE
205
Great
Maivern,
and
Valley
19355-1337
PA
Control
Parkway
iNTRODUCTION
APPLICATION
RATINGS
Contacts
OPERATINO
PRINCIPLES
CHARACTERISTICS
Pickup Operating
Time
Burden
CALCULATION
OF
CONSTRUCTION RECEIVING, ACCEPTANCE
Visual
HANDLING TESTS
Inspection Mechanical Electrical
iNSTALLATION
Relay
PROCEDURE
Settings
Mechanical
Electrical
EQUIPMENT
PORTABLE
TEST
SERVICING
Restraint
Circuit
Directional
Maximum
Torque
Pickup
Clutch
RENEWAL
Adjustment
PARTS
SETTINGS
AND
Inspection
Tests
Checks Checks
Characteristic
Angle
STORAGE
Angle
Adjustment
GEK-26423
NTS
E
CONT
PAGE
3 3 4 4
5 5 6 6 6
7 9
9 10 10 10
10 11 11 11 11 11
14 15
15 15 15 15 16
MINIMUM
Zero
No With
MAXIMUM
No
Zero
MAXIMUM
With
PERMISSIBLE
Sequence
Sequence
Zero
PERMISSIBLE
Sequence
PERMISSIBLE
Sequence
Zero
REACH
Current
Current
REACH
Current
REACH
Current
SETTING
Compensation
Compensation
SETTING
Compensation
SETTING
Compensation
FOR
FOR
FUR
THE
THE
THE
APPENDIX
CEYG51A
APPENDIX
CEYGS1A
APPENDIX
CEYGS1A
I
17
17
18
II
18 18
III
20
20
2
GEK-26423
The consists target reach a
and
characteristic
first-zone
comparison
The missive tion.
The
faults.
be
will
ground
also
will
faults
any
The
tion.
sequence
zero phase
to
unit
niho minimum
In
terminal.
against
trip
and sequence
the
on
coordinate
must
should carrier
In
minal.
protected
The
length
required
reach
the
proper ditions mho
unit minimizes
pedance
CEYGS1IX
three
of
seal-in
relay.
and
CEYG51A overreaching
ground
this
To
high
quite
faults.
respond
not
ground
A
tapped
current ground reach
permissible
directional
These
single
all
internal
for
current
carrier
set
be
as
signal
permissive
acts
It
line
choice
system
and
coverage. on
or
reach
its
present
three
a
is
single-phase
unit
of The
transferred
ground
transferred
units
rnho
they
end
and
this
For
to
involving
units
mho
auxiliary
faults
considerably
is
reach
comparison
relays
phase
compensation
starting
will
sensitively
block
will
overreaching
a
as
section.
whether
of
conditions.
be
may
swings.
power
setting
response
from
phase,
provides the
CEYG51A
relay
tripping
relay
mho
the
of
are
relay
the
reason,
phase
three
ground
provided
are
current
compensation
on
as
settings
operate
ground
to
faults
while
units. operating
be
as
tripping.
combined
or
2
about
then
This
approximately
to
load
to parallel
a
high
units
indication
relay
specifically
waS
schemes.
applied
is tripping
CEYG5IA
supplied
will
these faults.
simply
transformer
is phase
three
foreshortened
under
schemes,
conjunction
in
faults the
used
is
This
on
possible.
transferred
transferred
to
not
When
3
to
tends
use
The
or
power
line.
speed,
in
with
have
by with used,
on will the
use zero times
to
of
GROUND
one
has
schemes,
relay
units
If
adding
faults. both
two
in
other
the
facilitate
same
trip
sequence
sequence
the
make
zero
1.25
swings.
DISTANCE
CEYG51A
INTRODUCTION
single
L2—D
case
of
operation
been
not
designed
Figure
APPL
the
primary
as
employing
specifically
are
quadrature
operating
high
a
not
are
is
this
non—directional
a
separate
used
is
the
ground
If
single
on
conditions.
CEYG51A
relays
with
protected
the initiates carrier
torque
will
This
tripping
initiating
current
current
positive
ground
the
sequence
the
times
This
RELAY
RELAY
mho
zone,
with
facilities
for
limited
for
3
shows
CAT
ION
I
ground
voltage
provided objectionable,
current
obtain
to
unit
iiho
sequence
zero
phase
connected
a
carrier
line
carrier stopping the
unit
level,
to
tend
schemes,
and
compensation
compensation
sequence
mho
current
positive
true
is
type,
three
all
to
the
use
as
the
internal
relay
separate
designed polarization.
torque
with
circuits
the has
ground
to
channel
section.
blocking
tripping
and settings
any
in increase
CEYG51A
one
permissive
a
impedance
more
unit
compensation
sequence
provided
directional
for
testing
distance
point
an
overreaching
connections.
directional
in
primary
detect
to
level
even
memory
zero
the
for
proper
action. relay sequence
zero
ratio
essentially
compensation
faults.
back—to-back
provide
to
One
external
on
units,
insure
and
event,
the
security
relay
relay
depends
NOT
is
of
sensitive
impedance
there
units.
where
and
Thus, on
can
sequence
relay
carrier since
is
upon used,
the
reduces
is
distance
one
is
it
device
separate
single
the
very
These
made
be
fault
compensation.
of
same
the
NOT
is
Appendix
See
required
are high
acts faults.
should
it that
the
required
ground
for
the
the
line
operation
to
the of
little
ground
unit
atatime.
The
suitable
in
comparison
backup
phase
polarizing
close
ground
unresponsive
detector.
current
reach
used,
speed
to
both starting
presence
at
protected
ground
order
in
necessary
the
line no
or
relay.
transient
for
directional
to line
in
niho
compensa on
ground
the
for
I
each
at
protection
carrier
Stop
zero
if
be
also units
unit
each
faults
mho to
on
and,
mutual
use
and
protec
ground
voltage
to units
When
single
the
used
that
a
of
ter in
line
unit
provide load ground
thus, im
It
One
over
as
per
to
the
con
eeerc
furtn-r
tn
These
poss:ble
information
purchaser’s
To
he
:ot
sucn
nstroctions
contanJencj
purposes,
extent
-scranc.
be
,eau:red
do
desired
s
not to
the
;iven
the
purport
be
or
matter
met
should
products with
to
in
should
respect
cover
connection
particular
be
descrrhed
to
all
referred
local
details
with
problems
herein
installation,
to
codes
the
meet
or
arise
and
variations
which
General
applicable
ordinances
in
operation
are
Electric
?.ESI,
equipment
not
because
or
maintenance.
covorci
Ccmpant. IEEE
he;
and
nor
sufficientlq
.S1IMA
varo
to
provide
standards;
rcatly.
For
Should
for
GEK-26423
Whether
correct
line
the
avoid
to sequence
setting
The
II
fault
zero
will
in
and
behind
If
sequence permit
Figure
Ill
the
Since
performance
sired
setting
The
operation
to-phase.
ohmic
The
by
steps
will
It
desired
the
The
positions
reach
ohmic
or
operation
impedance this current
zero
when
system
are
,
the
reach
tripping
4. the
will
CEYG5IA
Type
wye-wye
on
Current
BASIC
OHMIC
(0-N 1/2/3
0.5/1.0/1.5
reach
means
be basic
setting
MINIMUM
zero
not
on
and
tripping.
false
compensation
sequence
conch
tions
rather
relay
the
of
directional
CEYG51A
obtained
be used.
is
coil
MIN. REACH
OHMS)
at
is
of
a
noted
minimum
the
of
sequence
ground
system
unusual
is
unfaulted
only
an
is
relays connected
ratings
the
tapped
that
sets
two
follows:
as OHMIC
current
faults
immediately
conditions.
Appendix
NOT
is
requ
They
.
than
compensation
current
which
larger
phase
overcurrent
fault
the
when
extended
the
if
covered
potential
and
RANGE
OHMIC
(0-N
of
angle
autotransformer.
basic
three
is
reach
REACH
links,
of
SETTING
compensation
II
used
the
cc
occur
the
units
relay
is
range
highest
these
by
transformers
ohmic
REACH
OHMS)
-
1
-
0.5 maximum
minimum
by
made
(for
(OHM
is
the
used.
is
tdtion
the
sequence
the
forward
with
minimum
the
limiatations
ill
of
zero
non-trip
nay
three
behind
nayhenecessary
It gives
Appendix
im
1
when
positive
ii
(CFPG16A)
the
in
relay
basic
RATINGS
instructions
which
as
ranges
are
30
15
of
of
N
60
settings links unit),
torque
reach
means
each
PHASE-TO-NEUTRAL)
used,
relay
gives
uho
the sequence
current
direction
used
be
direction.
basic
reach
available
are
supply
tabulated
CONTIN. CURRENT AMPERES
degrees
are
terminal
on
each
the
ground
terminals.
1
mit
to
of
the
limitdtions
unit
current
to
minimum
tap
secondary
below:
RATING
5
5
lag,
listed
identified
A
+
mho
This
mho
the
mho
the
reach,
contribution
contribution.
an
is
supervise
external
The
reach
setting
that
with
can
and
for
boards
as
B
units
will
unit
unit
reach the
of
as
described
application
the
settings,
will
potential voltage
adjusted
be
mho
the
located
A-B
may
be
dependent
be
reach
setting
inho
over
CEYG51
connections
accommodate
circuits
of
120
SEC.
ONE
RATING
CUR. AMPERES
225
225
units.
rear
on
determine
subject setting
unit
reach
by
Appendices
the
limitation,
operation.
best
the
volts
percent
5
in
Selection
of
the
to
upon in
when
line
shown
are
overall
the
rated
phase-
the minimum
in order
zero
to
a This
de
for
of
relay.
a
CONTACTS
main
The tripping always
by
amperes,
current
The
shown
as
circuit-closing
at
duty
opened
tripping
a
Table
in
I—C Carry Carry Carry
control
an
by
relay
carrying
I
Resistance
Continuously
Amps
30
Amps
10
voltages
auxiliary
should
rating
for for
contacts
switch be
of
of
used.
the
——
of
250V
main
the
DC
other
or
contacts
TARGET
2.0
Amp
0.13
3.5
re1a or
Tap
4
less.
suitable
TABLE
AND
Ohms Amps
Secs.
will
The
is
I
SEAL-IN
4
and
close
circuit
means.
determined
UNIT
0.6
A;np
0.6
1.0
0.5
carry
breaker
the
If
by
Tap Ohms
Amps Secs.
the
amperes
30
trip
tripping
tap
coil
setting
DC
momentarily
should,
current
of
0.2
Amp
7
0.35
0.2
Tap
Ohms Amps
Secs.
exceeds
the
for
however,
30
seal—in
coil
0.3
normally
The
amperes
closed
in
non—inductive
contacts
circuits
between
up
terminals
250V
to
GEK-26423
and
19
DC.
20
will
close,
carry
continuously,
or
interrupt
inhu
The
Fig.
with
6) phase-to-phase polarizing
tdye
vol
in
izing
the
The
of
rear
flux
torque
following
where:
type
schematic
flux. the
pole,
produce
to
equation:
Ebc’
units
voltage
flux
The
protected
which
operating
balance
the
at
Torque
design
K
Phase—A-to-neutral
=
Phase
=
Phase
=
‘a
Angle
=
B
Restraint
=
T
Angle
=
CEYGS1A
the
in connections in
quadrature
in
phase,
energized
is
0
=
constant
to
B
current,
A
by
by
relay
shown
as
with
front
the
interacts
by
torque.
point
for
KIaEbc
=
PhaseCvoltage
at
Ea
setting
‘a
leads
which
tap
which
OPERATING
are
in
Fig.
the
phase-to—neutral which
pole,
the
the
the
with
line
phaseAstarting
((
COS
voltage
relay
the
Ebc’
leads
Ebc
PRINCIPLES
of
the
3.
is
polarizing
current
-30)
the
at
(Eb
location
(900
four-pole
The
energized
TEEb’
relay
E)
-
for
of
balanced
induction-cylinder
two
side
voltage
by
flux
the
protected
can,
unit
sin
location
at
the
poles,
percentage
a
to
produce
B
relay
3-phase
which
the
of
phase,
therefore,
are
protected
of
restraint
interacts
be
(1)
condition)
construction
energized
phase,
the
phase-to-neutral torque.
with
expressed
(see
the
by
produce
The
the
the
by
the
flux
polar
The impedance rather
The
diameter
current
line there
maximum
this
voltage
The
which
compensated
not
special
positive
the selecting
The
applied
tap
the
operating
specific
inho
passing
essentially
is
by
diameter
would
case
ohmic
to block.
diagram
as
fault
characteristics
has
unit
through
for
(Ia torque
600,
which
of
be
is
it single-phase—to-ground
of
basic
the
sequence
reach
a
setting.
reach
restraint
the
Ohmic
shown
conditions
circular
a
example)
phase
no
angle
is
the
not impedance
the
of
Fig.
in
origin
the
leads shift
(i.e.
condition
the
impedance
minimum
accurate
an
mho
circuit,
ReQch
of
the
7.
described
characteristic
defines the in
maximum
circle
reach
distance
the
to
can
unit
that
2
=
Tap
E
CHARACTER
mho
units
should
It
below:
the
quadrature
the
line—to—neutral
reach
represented
would
with
the
faults
fault.
extended
be
by
is
setting
(Zi)
Setting
in
be
which
angle
polarizing
angle)
in
nomally
tap
E
measuring
where
Instructions
100
()
1ST
the
noted
passes
of
occurs
Fig.
be
leads
zero-sequence
the
reducing
by
the
1
CS
CEYG51A that
through
maximum
voltage
voltage
when
8. considered
on
until
are
tap
E
2
(5)
represented
be
may
relay
these
steady-state
torque
the
origin of
(Ebc
the for
of unit, example)
forasingle-phase-to-ground
current
line
the
ohmic
the
100
except
given
the
leads
as
percent.
on impedance in
percentage
on
However,
3-phase Appendices
of
lower
a
to
characteristics
R-X
the
which
by
the
lags
reach
if
faults,
fault
the
and
II
fault
the
percentaoe
R—X
the
on
are
diagram.
occurs 30°.
when
Since
fault,
phase—to-neutral
unit,
the
of
niho
for
unit
the
equal
is
for
the
or
III
voltage position
for
The
is
to
on
5
The
(600).
equation
from PICKUP
The
ufficient
for
mum
percent
On result percent current
ohmic
reduced
The
operating
magnitude fault voltage
by
(5)
currents
with
reach
cos
torque
to
which
currents
obtained
reach
MINIMUM
REACH
(0-N
0.5
1.5
single-phase-to-ground
will
relay
the
that
restraint for
the
voltage
3-ohm
minimum
from
line
at
(60-0)
will
overcome
lag
OHMIC SETTING OHMS)
1
2 3
operate
and
close
as
faults
120 reach
equation angles
where
the
restraint
the
unity
the tabulated
at
volts
setting.
(5)
other
is
the
0
contacts
power below:
quadrature
the
considerably
polarizing
GE
K—2
assumes than
line
when
torque.
factor
CURRENT
64
23
that
600
can
angle.
the
The
position
polarizing
current
less
unit
the
line be
fault
operating
RANGE
will
angle
obtained
current
by
FOR
36
18-60 12
9 6
potential
than
operate
maximum
and
multiplying
by
is
torque
degrees
60
RELIABLE
60
-
60
60
-
60
-
will
tabulated.
with
certiri
in
a
3-phase
on
and
OPERATION
remain
less
torque
is
For
than
angle
reach
the
direction faults
reliable
quite example,
ampere
1
high
are
obtained
is
down
with
with
equal
of
and
maxi
a
one
to
the one
a
operating
OPERATING
typical
For
BURDEN
burden
The
percent
100
at
Basic
Ohms
1
0.5 1
the
I-f
equation:
where
TIME
30
-
15
-
30
-
restraint
Watts
VARS
T
operating
imposed
as
is
Rated Freq
Restraint Restraint
=
Tap
given
60 60
50
tap
VA
on
in
time
the
below:
reduced,
is
Watts
=
circuit circuit
percent.
characteristics
potential
Polarizing
V 120 120 120
Watts
10.1
10.1
8.41
the
*(2
watts Vars
see
transformers
Circuit
Vars
burden
+
.
table
from
table
from
Figure
by
8.88
8.88
7.38 of
the
VARS(i”)
above.
above.
13A
type
the
VA
13.5
13.5
11.2
restraint
and
CEYG51A
circuit
138.
Volts
70
70
70
relay
Restraint
Watts
2.7
0.9
1.7
given
is
with
the
Circuit
by
Vars
4.0
1.6
3.0
the
restraint
following
VA
4.8
1.8
3.4
tap
set
6
The
burdens
imposed
on
the
current
transformers
GEK-26423
the
by
current
circuits
are
given
below:
quently be
followed
Basic Ohms
1-3D
0.5
1
NOTE:
applying
In
do
Determimimme
1. the line
Determine
2. relay
a.
b.
c.
following
The Consider
-
15
-
30
Above
for
materialize.
not
determine
to
necessary
power
terminal.
When
further When
further
no
neither
If
determine
lay,
the
Rated Freq.
data
the
the
relay
if
zero
loadings
if
there
zero
evaluation
zero
Type
calculations
protected
60
60
50
is
lower
to
what
sequence unit
rnho
and
is
sequence
sequence
evaluation
nor
a
if
it
CFPH16A.
line
3-4,
I 5 5 5
for
the
reach
particular
a Therefore,
final
tap
power limitation
a
current
need current
above
b
is
necessary
are
to
5-6,
0.070
0.007
0.058
mho
settings
tap
calculations
current settings
swings.
compensation made.
be
compensation be
need
is
made
between
be
7-8
or
Circuit
X
0.040
0.005 0.008
0.033
units set
on
will
CALCULATION
line
and
system,
recommended
it
is
maybenecessary
compensation
and
the
Appendix
See
application
the
in
Appendix
See
made. See
applicable,
use
an
the zero
example
to
as
breakers
their
be
less
SETTINGS
OF
is
relation
is
t.{Qi
is
used:
Appendix
evaluate
of
A
2
0.080
0.067 maximum
than
the
limitations the
that
required.
the
of
equations
I,
for
used:
equations
II,
if
III,
the
sequence
determining and
B
on
1 5 5 5
ohmic
the
initial
and
This
resulting
incorrect
if
Co
(3K
equations
equations
directional
the
0.210
0.021
0.175
tabulated
how
‘b
is
ha,
+
1)
actual
the
portion
Circuit
9-10
R
reach
taps. burdens.
outlined calculations
the
relay
will
depend
mho
and
I.
operation
equal
hib
equal to
Co
is lIla,
of
either overcurrent
tap
of
X
0.120
0.013
0.100 The
under
of
may
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upon
characteristic
on
or
less
to
tIc.
and
and
hlIb
Appendix
settings
system
a
Z
0.240
0.024
0.200
burden
APPLICATION
and
2
1
applied.
evaluation
on
with
than
less
behind
C,
than
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or
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or
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to
in
shown
fre
below
no
III
used.
Fig.
of
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the
C,
to
re
5.
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Checking
breaker
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1
CT
Ratio
PT
Ratio
Secondary
=
21 Z0’
=
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Appendix
detect
A
to
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=
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=
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1200/1
Ohms
2.4
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7.2 /75°
1.4
a
characteristics:
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=
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PT
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0.47
=
1.9
=
0.36+jI.35
first
I
single
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Ratio Ratio
to
phase
ohms
ohms
Primary
x
+
j2.36
+
j6.95
establish
to
ohms
secondary secondary secondary
ground
Ohms
the
fault
ohms ohms ohms
maximum
(F2)
7
tap
at
setting the
remote
that
bus,
would
Equation
still
permit
should
lb
the
CEYG5IA
used.
be
at
GEK-26423
Assume
Substituting
obtain:
we
The
should
restraint
Consider
calculate
double
or
constants:
value
be
for
C
0
C
10’
used. tap
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=
=
=
=
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=
9
these
T
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of
T For
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fault
0.17
0.20
13.7
4.1
-0.88 negative
from
790
0.204K could
the
0.204K ground
safe
ground
at
secondary secondary
secondary
sign
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values
F
obtained
be
three
no
be
=
fault
reach
faults
F2
in
and
+
larger
61
that
amperes amperes
amperes
because
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the
(7.2
(0.4
ohm
percent
at
setting at
system
a
I
I
flows
values
K
-2.4)(0.17)
0.17)
÷
all
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than:
immediately
Fl
this
study
based
based
flows
of
Cos
three
reach
to
eliminate
location.
yields
600/5
on
the
on
in
the
in
impedance
(60-79)
(1.4)(-0.88)
+
basic
settings
behind
CTs
protected
opposite
the
protected
13.7
K
the
Assume
following
the
assumed
minimum
300.
relay.
the
possibility
that
line
direction
line
above
reach
Thus,
system
a
quantities.
CT
ratio
(A
to
into
settings.
for
Appendix
an
of
study
in
B).
equation
this
incorrect
of
the
H
yields
600/5.
parallel
However,
basic
indicates
Note
of
Tb
the setting
tap
operation
following
the
the
line
Appendix
highest
approach
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on
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to
I,
the
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one
to
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Using of
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0
Z
1
the
Appendix
0.27
0.11
=
tap
ohms ohms
settings
ha) JIb) lIc)
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values
above
setting
tap
of
tabulated
are
T
evaluating
and
equations
below.
ha,
and
JIb
VALUE
0.875
1.05
/82°
/780
1.2
0.11
0.27 100
123°
82°
Percent
-10.5 Percent
-18 Percent
-14.5
0.875
=
1.05
=
1.2
=
basic
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3
the
II,
secondary
/780
minimum
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QUANTITY
ZI Z
0
Z0/Z
1
Co C
K A
8
(Equation
T
(Equation
T
(Equation
T
8
GEK-26423
Since tap
the
Since setting remote
These
the
If tings
be
at
carrier
the terminal
set
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Thus,
setting
should
terminal.
application
of
least
as
In
any
setting
If
zero
we
all
the
61
the
same
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the
1.25
starting
and
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sensitively
case,
Thus,
as
sequence
obtain.
values
for
this
percent
used.
be
Thus,
calculations
for
is
starting
times
relay
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as
ALWAYS
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tripping
the
current
of
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application. setting
is
It
50
for
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Set
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therefore,
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61
41
40
on
tap
be
CEYG51A
of
rear
the
coordinate
relays
CEYG51A
CEYG51A
compensation
-
6.95
=
3(2.36)
table
Thus,
insure
the that
to
set
additional
percent
percent
repeated comparison relays the
at
tripping
terminal
must
that
relay
at
relay
used,
is
2.36
= =
are
relays
the
the
reach
the
for
carrier,
both
relay
will
properly.
coordinate
terminal
at
terminal
equation
4.59
7.08
negative,
maybeset
relay
relay
the
relays
terminals.
outreach
A.
0.65
to
it
at
In
these
will
reach
restraint
at
will
the
remote
the
any
event
with
should
B
should
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per
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reach
at
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also
The
carrier
each
unit
equations
range
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only
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tap
remote
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carrier
terminal.
tripping carrier
the
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set
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impose
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to 25to50
should
of
end
start
This
starting
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on
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with
instead
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restrictions
10to61 remote
percent
be:
line
the
determine
to
settings
relay
will
at
relay
basic
same
same
equation
of
percent.
bus,
at
insure the
units
basic
a
lower
beyond
terminal
the
remote
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minimum
minimum
on
the
B.
set
should
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tap
lb.
For
maximum
the
The
associated
restraint
details
tion
The cradle the plug
is
case
can
attaches
the
vent
Outline
These protect transit.
transportation
the
Reasonable
immediately,
metallic
and
is
cover
ground
the
safe
CEYG51A
Type
tapped
circuits
of
components
locked
block
and
inserted
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the
to
from
cover
and
relays,
against
them
injury
If
care they chips.
removed
fault
setting
reach
relay
autotransformer
adjustment
for
relay.
the
mounted
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case
the
in
cradle
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from
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panel
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damage
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Foreign
cause
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=
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immediately
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Internal
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matter
trouble
0.33K
using
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of
for
of
angle connections
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cradle
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means
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connection
the
of front
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dimensions
RECEIVING,
as
Immediately
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promptly
exercised
in
collected
in
0.33
=
behind
zero
three
controlling
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assembly
latches
of
includes
the
are
part
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upon from notify
unpacking
in
original
their
operation
the
300=99
x
the sequence
percent
relay,
current
CONSTRUCTION
reach
of
4—pole
and
minimum
relay
the
inho—type,
basic
which
the
at
through
plig
the
connection
shown
a
to
target
in
top removable
permit
plug
Figure
HANDLING
control
a
of
receipt
rough
the
of handling nearest
the cartons outside
the
on
the
of
use
adjustable
can
and
reset
AND
panel,
a
General
relay.
relay.
equation
the
compensation.
induction
ohmic
shown
are
easily
be
bottom.
connection
testing
mechanism
been
has
15.
STORAGE
will
relay,
evident,
is
If
a
place
in
of
the
resistors
reach.
the
inserted.
be
examine Electric
the case
of
cylinder
Figures Figure
in removed
electrical
The
plug.
relay
and
shipped
it
a
file
Apparatus
relays that
find
may
Appendix
units.
in
3.
from
in
an
in
any
for
damage
are
is
free
its
III
Each
polarizing
the
and2show
1
relay
the
connections
separate
A
case.
its
interlock
cartons
damage
claim
Sales
not
to
from
way
calculate
to
unit
case. testing
The
armtopre
designed
ststained
once
at Office.
installed
be moisture,
inside
has
and
construc
between
cover
with
dust,
when
an
The
to
in
the
9
GEK-26423
Immediately
damage
no ViSUAL
has
INSPECTION
Check
received
agree
Remove
molded
parts
MECHANICAL
is
It
There
1.
so
tact
There
the
There
check
contacts
2. lower shaft
3.
.012
4.
that
5. assembly
6.
should
armature
should
that
7.
There
The
inch The
it
The
The
Check
closed
The
the
to
connection blocks,
gram. Note high the
and
Figure
that
enough
main improper circuited.
upon
been
nameplate
the
with
relay
the
other
or
INSPECTION
recommended
should
should
should
screw
jewel
locked
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contact
clearance
spring
touches
just
clutch
at
armature
a
be
hand
by
at
be
target
the
the
diagram
that
11
is
there
that
so
brush.
adjustment
receipt
sustained
the
from
signs
that
be
be
bearing
its gap
windup
of
moving
the
and
screw
and
least
location
for
long
the shows
an
when
This
of
stamping
requisition.
its
of
the
noticeable
no
closed
be
end
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set
each
on
between
should
the
unit
each
contacts
only
in
check
1/32
resets
the
and
sectional
a
auxiliary
the especially
is
the
the
of
shipment
in
to
case
physical
following
play
of
screw.
unit
the
solid
contact.
that wipe
positively
the
of relay.
short
connecting
auxiliary
relay
insure
and
when
each
stationary
be
stop
should
of
one
contact
brush
and
check
damage,
friction the
from
of
unit
should
sufficient
when
slip
the
the
of the
the
on
sure
Be
brushes
view
in
important
brush
ACCEPTANCE
inspection
an
that
that
by
mechanical
in
relay
.005
should
approximately
be
contact
the when
target
tap
target
seal—in
the
when
brushes
that
on
the
of
position
each
is
plug
could
the
model
the
visual
that
and
adjustments
the
in
is
to
be
cause
to
unit
force
a
and
positions
latches
contacts.
reset
on
the
cradle
the case
inserted
current
in
result
TESTS
and
relay
number,
inspection
all
rotating the
inches
.015
screwed
rod
the
dc—energized.
is
of
seal-in
in
button
the
shorting
cradle
and
on
in
acceptance calibrations
screws
structure
upright
firmly
.045
the
and
normally
45
unit
the
on
exposed
its
With at
cradle
bars
block
the
engages
it
other
and
CT
a
rating,
that
be
position.
on
to solid
to
should
right
the
and
agree
blocks
case
secondary
test
there
are
checked:
the
in
.065
closed
grams
65
stationary position
the
5ottom
case
are
with with
block.
the
circuits
have
and
tight.
of
shafts place,
inches.
backstop
move
cover
blocks
the
in
auxiliary
should
not
ohmic
are
each
of and
stationary
applied
is
freely
fastened
of
proper
the
the
This
with
circuit
made
be
been
range
broken
no
unit.
rotating
the
the
There
when
when
contact
before
cover
the
against
locations
internal
connection
brush
brush
shorting
being
to
disturbed.
of
or
The
pivot
should
contact
the
contact
the
to
operated strip.
contacts
the securely
is
the
connection
plug
should
before momentarily
insure
the
cracked
normally
structures.
the
at
to
moving
operated.
internal
on
be
bars
relay
top
.004
be
is deflect
by
Operate
place,
in
the
place.
in
formed striking since
that
of
open.
con
hand.
close.
case
dia
an
open
ELECTRICAL
is
It
Polarity
1.
polarizing
connections
test
the
the
CaUSe
unit
that
Directional
2.
characteristics.
phase
the contacts
on
closed
100
remain be
TESTS
recommended
Check
restraint
and
contacts should
develop
shifter
of
the
as
unit
each
percent
of
Use
so
for
that
-
in
that
Check
the
that
should
current
these
the
The circuits
Figure
a
-
test
the
following
unit strong
The
current close is
tests.
following
each
of
With
9. close.
to
contact
following
connections
at
increased
electrical
check
all
leads some
will
unit
tap
With
opening
checks
shown
the
value
the
to
insure correct,
is
leads the
torque.
are
in
voltage
less
maximum
checks
removed
tap
E
2
to
Figure
than
10
made
be
that
Each
of
determine
10.
30
by
the
value
relative
the
unit
connections
the each
Set
degrees
minimum given
immediately
can
set
unit
each
that
voltages
the
with
amperes
Table
in
polarity
checked
be
in
unit
the
upon
shown
80
the
has
to connections given
III.
receipt
operating,
of
individually
each
for
percent
correct
volts
two
Tble
in
EL
The
the
of
unit
position,
directional
and
shown.
III
taps
relay.
using should
set
The
and
should
GE
K-
TABLE
26423
III
Set
should
unit
3.
connections
amperes,
for
5 With
unit
the
of contact
bisector
the
at
the
unit
The
operating
4. percent
+14
set
and
at with
100
voltage
Table
in
phase
the
phase
the
remain
Maximum
shown
the
phase
will
just
to
left
maximum
current
Pickup
of
percent
relay
the
30
by
IV.
angle
shifter
Torque
in
with
be open. of
contact
torque
leads
Check the
degrees, Resistor
of
OHMIC
SETTING
TAP
0.5
1.0
1.5
2.0
3.0
from
open
Angle
Figure
polarizing
shifter
closed.
These
the
angle
just
angle
the
-
The
minimum
and
the
connected
check R11-R12-R
13
restraint
the
REACH
that
so
zero
-
10,
set
Next are between
opens
(110
of
polarizing
following reach voltage
as
that
the to
The
but
voltage
that
so
find
the at
310)
+
the
as
shown
the
circuit
current
amperes.
60
maximum
with
at
operating
the zero the
1100
210°,
=
units
voltage
check
given
adjusted
in current
should
torque
the
120
angles
torque two and
should
is
on
for
Figure
not
the
leads
tap
E
volts.
zero
3100.
ie
for
to
the
the
10. required be
same
MINIMUM
AMPERES
32
16 12
8
6
the
angle
disconnected.
current
either
on
angles
torque
The
3Q0
lead
300
be
at
particular
a
determine
nameplate.
value
Set
to
used
to
the
as
voltage
the
of
leads
the
of
lines.
angle
lead,
that
shown
the
close
adjust
phase
by
mho—type
polarizing
side
unit.
of
unit. the
These
in
phase
the pickup.
angle
degrees.
210
operating
The
the
of
The
example,
For maximum
This
+3°.
ohmic checks Table shifter
contacts
of
units
voltage
300
position
maximum
torque
reach should
IV
so
The
the
MAXIMUM AMPERES
60
60 60 60 60
The
can
be
current
by
torque
assume
will
the
is
angle
each
of
be
for
the
current
that
within
falls resistors
polarizing
contacts
checked
30°, which
that be:
unit
made
specific
are circuit.
using
should
the
cause
position
for
which
by
is
with
ohmic
leads
the
used
each
of
be
left
the
particular
a
witin
the
range
to
the
set
contact
will
the
E
range
shown
make
left
be
taps
UNIT
-N
0.5
2.0
3.0
Compensating
5.
compensating
connect
but
With
the
close
1.0
1.5
windings
the
voltage,
left
current
UNiT
E
2
contact
REACH LINK
SETTING
Winding
between
Ml M2 M3
tap,
0.5
1.0
1.5
2.0
3.0
circuits
of
and edch
Check
terminals
as
phase
unit.
RESTRAINT
APPLIED
VOLTAGE
20V
25 35 35 70
-
The
9-10,
tabulated
I
• SUD
angle
The
following
is in
TO
3 5 7
as
set
current
TABLE
check correct. the
the
in
should
11
IV
POLAR. APPLIED VOLTAGE
120V 120 120 120 120
is
Use
following:
pickup
be
to
2
STUD
10 10 10
one
confirm
basic
the
TO
check
half
PICKUP CURRENT
34.4
21.6
20.0
15.0-20.0
20.0
that
test
measure
(4), the
values
45.6
-
28.5
-
26.6
26.6
-
relative
the
connections
listed
JUMPER STUDS
4-9 6 8-9
the
polarity
-
9
current
in
PHASE
ANGLE
°LEAD
30° 30°
300 30°
30°
Figure
of
Table
of
required
IV.
the
10,
to
taps. held Refer
steps
6. closed,
to to
Target
Use
the change
a
Seal-in
source
DC can
section
the
be
Unit
with
gradually
Target
on
setting.
tap
With
the
increased
Seal-in
the
circuit
target
arranged
the
to
Unit
in
pickup
Settings
GEK-26423
down’
the
that
so
point.
under
unexposed
or
current
test
Pickup
INSTALLATION
position,
through
current
PROCEDURE
studs
should
check
1-11, be
for
pickup
with
rating
tap
recommended
the
Ml
on
both
contact
less.
or
after
If
recommended
The
before
relay
vibration.
repeated
excessive connections
SETTINGS
RELAY
Mho
1.
to
Refer
determining
reach
The
the
taps blocks.
proper of
MECHANICAL
Check
1. left
the
When
reclose
and
Examine
2.
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the
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pick
in
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