GE IBCG51M*Y1A Series, IBCG53M*Y1A Series, IBCG78M, IBCG52M, IBCG54M Instruction Manual

INSTRUCTIONS

GEK-49822E

GROUND

DIRECTIONAL

TYPES

IBCG51M

IBCG51M(.-)Y1A

I

BCG52M

IBCG53M

IBCG53M(—)Y1A

IBCG54M IBCG77M

I

BCG78M

OVERCURRENT

RELAYS

GE

Protection

Great

205 Malvern,

and

Valley

PA

19355-1337

Control

Parkway

GEK-4

9822

CONTENTS

DESCRIPTION APPLICATION RATINGS

OVERCURRENT

TIME DIRECTIONAL

UNIT

INSTANTANEOUS

TARGET

AND

SEAL-IN

CONTACTS

CHARACTERISTICS

PICKUP RESET OPERATING

(TIME

OVERCURRENT

TIME BURDENS CONSTRUCTION

DIRECTIONAL

UNIT CONTACTS TIME

OVERCURRENT

TARGET

SEAL-IN

INSTANTANEOUS

RECEIVING,

HANDLING

STORAGE

ACCEPTANCE

VISUAL MECHANICAL

TOP BOTTOM TARGET

TESTS

INSPECTION

UNIT

(TOC) UNIT AND

SEAL-IN

INSTANTANEOUS DRAWOUT POWER TARGET

PICKUP

TIME

CURRENT TIME PICKUP TIME

RELAYS,

REQUIREMENTS,

AND

SEAL-IN

AND

DROPOUT

OVERCURRENT

SETTING

TEST

UNIT

AND

(DIR)

UNIT

GENERAL

UNIT

UNIT)...

UNIT!

GENERAL

TEST

PAGE

3 4 5 6 7 7 8 8 8 8 9 9 9

11 11 11 11 12 12

12 13 13 13 13 13

13 14 14 14 14 15 15 16 16 16

DIRECTIONAL

CURRENT POTENTIAL

INSTANTANEOUS

INSTALLATION

LOCATION MOUNTING CONNECTIONS

INSPECTION

CAUTION

OPERATION

TARGET TIME

AND

OVERCURRENT

DIRECTIONAL

CURRENT POTENTIAL

INSTANTANEOUS

PERIODIC

CHECKS

MAINTENANCE

TARGET TIME

AND

OVERCURRENT DIRECTIONAL INSTANTANEOUS

SERVICING

TARGET TIME

AND

OVERCURRENT

DISK

AND CONTACT CHARACTERISTICS

AND

ADJUSTMENTS

DIRECTIONAL

BEARINGS CUP

AND CONTACT BIAS

TORQUE

CLUTCH

ADJUSTMENT

INSTANTANEOUS

CONTACT

RENEWAL

PARTS

UNIT

POLARIZATION

UNIT

SEAL-IN

UNIT

POLARIZATION

UNIT

AND

ROUTINE

SEAL-IN

UNIT

SEAL-IN

UNIT

BEARINGS

ADJUSTMENT

CHECK

UNIT

STATOR ADJUSTMENTS

ADJUSTMENT UNIT

CLEANING

PAGE

17 17 17 17 17 17 18 18 18 18 18

18 18

19 19 19 ig

19 19 19

19 20 20 20

20 20 20

20 21 21 21 21 22 22 23 23 23

2

GEK—49822

The

Type

the

protection

inverse, All

the

an

instantaneous

can

be

controls A

target this that

the

seal-in

unit

it

to

IBCG

very

IBCG

potential

the

seal-in

is

will

unit

provide

IBCG51M

IBC

G

IBCG52M

relays

of

inverse

relays

directional

operation

unit

connected

pick

are

protection

GROUND

Fl

5

1

(

-

are

feeders

or

contain

polarized,

of

is

in

up

whenever

connected

DIRECTIONAL

Y

1

A

)

ground

and

extremely

a

unit

or

the

time

provided series

for

them

I

BC

DESCRIPTION

directional

transmission

inverse

time

overcurrent

of

the

current

overcurrent

in

with

time

the

in

parallel

and

OVERCURRENT

TYPES

IBCG53M

3M

G

5

(

-)

IBCG54M

overcurrent

lines.

time

induction

polarized,

each

the

of

contacts

overcurrent

with

their

associated

YIA

They

characteristics.

unit

of

cup

or

unit.

the

relays.

of

unit

the

contacts

RELAYS

relays

the

type.

both,

the

operates.

control

are

induction

The

time

of

IBCG77M

678

IBC

used

available

The

directional

and

it

operating

overcurrent

The

the

time

springs.

M

primarily

with

disk

directionally

contacts overcurrent

type

coil

unit

for

either

and

unit

for

so

of

Those

relays

Hi—Seismic The

IBCG52M,

IBCG51M, All

the panel for

are

Table

drilling

the

shown

I

instantaneous

53M

and

IBCG

relays

by

Figures

lists

These

every

possible

further

the

purchaser’s

To

but

no

such

having

54M

the

relays

dimensions

are

the

various

instructions

conttngency

infornation

the

extent assurance

and

are

given

purposes,

the

77M

10,

be

required

the

desired

is

designation

overcurrent

78M

relay mounted

for

in

Figure

11

and

models

do

purport

not

eet

to

be

or

the

matter

products

the

with

given

relay

models

in

which

12. and

to

In

should

respect

Y1A

unit

models

respectively.

standard

are

5,

ranges

cover

connection

particular

referred

be

described

local

to

following of

given

6,

7,

details

all

with

problem

herein

3

that

codes

the

are

Ml

in

8

and

or

installation,

arise

the

to

meet

and

hinged

the

size

Figure

are

variations

General applicable

ordinances

the

model

armature two-contact

drawout

9.

Typical

available.

operation

which

are

£I.ctrC

in

ANSI, because

26.

.quipaient

or

covered

not

Conça,29.

IEZ’E

number

construction.

cases,

Internal

external

nor

,aint.nanc..

sufficxantly

and

vary

they

versions

the

to

provide

RXNA

greatly.

also

outline

connections

5hould

standards,

contain

of

connections

for

a

the

and

GEK—49822

I

The ground

•

Relay Model

IBCG51M(-)A IBCG52M(-)A II3CG51M(-)Y1A

IBCG53M(-)A IBCG54M(-)A IBCG53M(—)Y1A

IBCG77M(-)A IBCG78M(—)A

Type

fault

IBCG

relays

detectors

EXTENDED

Time

Characteristic

Inverse

Inverse Inverse

Inverse

Very

Inverse

Very

Inverse

Very

Extremely Extremely

ground

are

a

transmission

in

Inverse Inverse

APPLICATION

directional

TABLE

RANGE

Inst Unit

No No

Yes

No No

Yes No

No

line

I

RELAYS

IBCG

Inst.

-

6-150

-

6-150

-

—

overcurrent

protective

Pickup

0.5-4,

0.5—4,

0.5-4,

0.5—4,

Range Time

relays

relaying

2-16 2-16 2-16

1.5-12

1.5—12

that

scheme.

may

mt

Conn.

Fig. Fig.

Fig.

Fig. Fig. Fig.

Fig. Fig.

be

5 7 6

8

9

used

as

relays

The instantaneous

a

unit.

source

from the

conditions

voltage of current

The

shown current

polarization

using

alone.

differences

in

flowing

capacity

the

upon

to

value,

should

be

is

relays

upon

all

set

this

there

circuit-current may

inverse

The

tap

exceedingly

be

time

operating setting

proportional

contain

It

may

dual

Table

the

at

location

the

selective

the

wide

a

relays.

is

to

directional

of

potential,

is

advantageous

cause

polarization

between

I.

through

time

used

be

of

system

operating

range

with

long

time

of

determined

the

time

a

current

might

the

Inverse

given

a

the

of

in

cases

the

fault

generating

with

maximum

in

fault

with very

such

For

the

current

overcurrent

current,

or

polarization

favored

be

compared

as

various

time

relay

fault.

where

in

setup.

time generating position,

cases,

time

overcurrent

by

the

magnitude

to

use

relays

is Very

the

relation

fault

becomes

the

inverse

the

time-dial

unit.

or

dual

others.

at

to

models

should

influenced

fault

to The current

greater

capacity,

operating

time

inverse

as

illustrated

unit

that

The

sources

both

polarization

be

to

polarization

covered

be

inverse

current

the

relay,

reason

flowing.

as

together

relays

time

unit

for

setting.

is

directional

may

favored

Figure

from

by

used

largely

time

magnitude

this

for

the

time

and

relay

any

The

by

torque

controlled

unit

used

be

because

some

at

illustrates

13

source

a

this instruction

systems

on

by

the

and

extremely

is

only

and

For

current

with

even

is

given

slightly

is

that

fault

variation

minimum

longer more

value

is

operating

the

time

curves

be

may

dual

to

changing

times

of

where

system

inverse

dependent

relays currents

decreased.

fault

with

applicable.

current

of

time

is

by

polarized

polarize

system

whereas

effect

the

voltage

book

the

fault

generating

mainly not

or

must

below

short-

in

current

extremely

inversely

in

Figures

an

or

are

time

at be

If

and

4

15, of same

in

16

the

both

for

and

tap

cases

80

17. setting. amperes

the

Note

current

on

that

That

the

8

is

current

is,

ampere

10

for times

G[K-49822

values

a

given

tap

as

setting.

on

time-dial

for

50

these

amperes

curves

setting,

on

are

the

given

5

time

ampere

as

will

multiples

be

tap,

the

since

If

selective possible relay the

opening

The

be

set

In

determining

directly

that

several

ViA

high

short-circuit

each

relays

behind

non-directional.

maximum

in

The

external

Figure

IBCG models. the

800

series (see circuits since coil

entire

Table

of

all

ratings

operating

action

differs

circuit

breaker

to

19,

should

relays

The

TOC

I),

the

operating

of

contain

trip

the

The

fault

described

(time

IAC

have

TOC,

all

circuit.

of

two

current

sufficiently

breakers.

after

Hi-Seismic

a

directly

setting

relay

unit

current.

be

also

overcurrent)

relays.

extended

JOC

and

current

units

the

for

as

should

taken

in

the

circuits

should

or

more

of

to

Allowance

relay

for

faults

this

well

be

The

into

this

IOC

The

(25—to-i)

directional

relays line

the

insure

contacts

instantaneous unit,

at

as

set

effects

account

RATINGS

instruction

units

(instantaneous

are

considered

be

is

required,

and

then

choose

the

must

proper

be

sequence

made

close.

overcurrent

some

with

the

it

have

distance

will

remote

a

of

in

be

terminal, suitable transient

determining

are

available

extended

necessary

overcurrent)

range.

units

Ratings

are

shown

normally connected

in

determining

for

down

amount

overreach,

(8-to—i) of

determine

time

a

in

the

unit.

the

transmission

to

because

of

setting.

the

in

operating

the

individually.

series,

in

the

value

the

time

consider

margin

as

50 range

units,

the

operation

involved

This

the

illustrated

and

similar

the

rating

maximum

for

unit

line.

faults

unit

above

hertz

60

when

current

However,

operating

of

each

of

in

may

is

the

to

used

the

Relay

Model

IBCG51M IBCG51M(— IBCG52M

IBCG53M IBCG53M(IBCG54M

IBCG77M IBCG78M

)V1A

)Y1A

ONE

SECOND

Range

(Amps)

0.5-4.0

2.0-16

0.5—4.0

1.5-12

0.5-4.0

1.5-12

5

TABLE RATING

H

OF

TOC

UNITS

One

Rating

Second

(Amps)

70

260

140

260

125 260

TIME

OVERCURRENT

GEK—49822

UNIT

1

The

for

V.

second

the

Model

IBCG51M IBCG51M(-)Y1A IBCG5?M

IBCG53M IBCG53M(—)Y1A IBCG54M

IBCG77M IBCG78M

various

0.5-4.0

ratings

taps

of

the

of

each

CONTINUOUS

Range

Amp

Tap

Rating

(Amps)

TOC

model

0.5

1.6

4.0

3.5

units

and

RATING

0.6

1.8

4.5

3.7

4.0

are

current

TABLE

OF

0.7

2.0

5.5

given

III

0.5-4.0

0.8

2.1

5.5

4.5

in

range

1.0

2.3

6.0

5.0

Table

AMP

2.7

7.0

5.5

are

1.2

TOC

II.

given

UNITS

1.5

3.0

7.5

6.0

The

in

2.0

3.5

9.0

7.0

continuous

Tables

2.5

4.0

10.0

8.0

III,

3.0

4.5

11.0

9.0

ratings

IV

4.0

5.0

13.0

10.0

and

1.5-12.0

Model

IBCG53M IBCG53M(-)Y1A IBCG54M

IBCG77M IBCG78M

Amp

CONTINUOUS

Range

Tap

Rating

(Amps)

1.5

10.0

r

9.5

RATING

2.0

11.5

10.5

TABLE

OF

2.5

13.0

11.5

6

IV

1.5-12.0

3.0

14.5

12.5

4.0

17.0

14.0

AMP

19.0

15.5

5.0

TOC

UNITS

6.0

21.0

17.0

7.0

23.0

18.0

8.0

23.5

19.0

10.0

27.5

20.0

12.0

30.5

20.0

GEK-49822

2-16.0

Amp

Model

IBCG51M IBCG51M(-)Y1A IBCG52M

DIRECTIONAL

directional

The of

5

amperes

The

potential

for

60

UNIT

seconds.

INSTANTANEOUS

Range

unit

anda1

polarizing

UNIT

CONTINUOUS

Tap

2.0

Rating

8.0

(Amps)

9.5

current

second

rating

coils

RATING

2.5

9.0

10.5

polarizing

of

will

TABLE

OF

3.0

10.0

11.5

150

withstand

V

2-16.0

4.0

12.0

12.5

and

amperes.

AMP

5.0

14.0

operating

120

TOC

6.0

15.0

15.5

volts

UNITS

7.0

16.0

17.0

coils

continuously

8.0

17.5

18.0

have

10.0 12.0

20.0

19.0 20.0

continuous

a

and

360

16.0

20.0

rating

volts

instantaneous

The operation

is

accomplished

the

applicable

range,

mounted

on

either

connect

on

terminal

Instantaneous

Unit

6-150

**

The 28-150. the be

sure

rat

i

unit

one

by

the

internal

lead

T

6.

CONTINUOUS

(Amps)

range

There

maximum

to

n

g.

coil

of

positioning

connections

terminal

to

For

approximate,

is

will

setting

L

select

is

two

range

the

of

ranges

6 L,

AND

Range

always

and higher

hinged

(H

of

leads

diagrams

and

reverse

TABLE

SECOND

ONE

L H

which

be

the

or

L). T

lead

VI

Range

(Amps)

-

6

-

30

means

least

at minimum

range,

armature

Selection

and

E

referred

the

to

E leads

RATINGS

30

150

that

1

H

since

construction

at

terminal to auxiliary

and

T

OF

Continuous

Rating

(Amps)

6-30,

ampere

setting.

it

has

in

E.

lOG

10.2

19.6

of

the

Table

UNIT

30-150

overlap

Whenever

the

and

high

See

6. I.

terminal

One Second Rating

(Amps)

may

between

higher

is

or

Table

For

that

260

be

possible,

continuous

tapped low

the

6—29,

range VI H is

for

and

7

GEK-49822

TARGET The

in

Table

coil.

The

0.2

up

trip

of

7

tripped.

AND

rating

VII.

DC

RESISTANCE

MIN

OPERATING

CARRY CARRY CARRY

60

Hz

ampere

to

coils

ohms

will

SEAL-IN and

UNIT

impedance

The

+10%

(AMPERES)

CONT.

30 10

(AMPERES)

AMPS

FOR FOR

IMPEDANCE

tap

2.0

is

amperes,

requiring

reduce

tap

(OHMS)

(SEC.)

(sEC.)

(OHMS)

for

at

more

the

of

setting

use

the

than

current

the

seal-in

used

SEAL-IN

+0-25%

with

minimum

2

amperes,

trip

to

unit

will

TABLE

UNIT

coils

control

there

so

low

for

depend

VII

RATINGS

which

voltage.

is

a

value

the

on

0.2

8.3

0.2

0.37

0.05

0.45

50.0

operate

a

possibility

0.2 the

that

and

current

on

If

the

2

ampere

TAP

—

currents

this

that

breaker

drawn

tap

the

taps

by

2.0

0.24

2.0

2.3

2.2

20

0.65

ranging

is

used

resistance

will

are

the

not

given

trip

from

with

be

The

2.0 minimum maximum tions

ary it relay

should

relay,

may

coil

CONTACTS The

current-closing exceeding the

seal—in

PICKUP

When the

it

potential

maximum

will connected potential

ampere

control

be

which

be

necessary

to

250

unit.

torque

pick

up

in

series.

polarization

tap

voltage,

voltage.

arranged

in

allow

volts.

polarized,

angle

at

should

be

provided

If

so

that

turn

energizes

to

connect

enough

rating

Their

current

of current-carrying

the

of

60°

approximately

The

performance

is

typified

used

with

the

tripping

the

induction

the

a

loading

to

operate

the

induction

CHARACTERISTI

directional

lag

(current

0.5

ampere

in

Figure

8

current

trip

of

trip

unit

the

coils

current

unit

coil

resistor

the

unit

rating

Cs

will

lags

with

unit

13.

that

does

exceeds

contacts

or

coils. in

target

is

pick voltage). the

with

take

not

exceed

parallel

seal-in

30

amperes

limited

up

operating

simultaneous

30

will On

by

at When

and

2

amperes

30

amperes,

operate

such

with

unit.

for

the

3.6

volts-amperes

current

polarizing

amperes

the

an

application,

the

voltages

tap

polarized,

current

or

more

connec

an

auxili

auxiliary

rating

at

coils

at

the

not

of

at

and

The of

current

the

tap

required

screw

setting.

to

close

the

GEK—49822

overcurrent

time

unit

contacts

will

be

within

5%

RESET

(TIME

Inverse inverse

When

to relays,

the

time

the

number

and

OPERATING

The

time

The

time

respectively

operating

same same

time.

The

time-current

Figure

The 60 the

18

capacitive

cycles

current

OVERCURRENT

time

overcurrent

units

relay

is

10

60

seconds

TIME

curve

curves

for

of

for

conditions,

and

its

burden

and

120

circuit

UNIT)

at

80%,

de-energized,

time

dial

for

the

directional

time

the

inverse,

characteristic

transient

of

the

volts

is

burdens

units

and

position

very

overcurrent

very

the

overreach

potential

10

of

reset

extremely

the

inverse

unit

inverse

relay

of

volt

the

amperes

directional

at

90%

inverse

time

required

is

approximately

time

is

shown

unit

and

will operate

the

Hi-Seismic

characteristic

BURDENS

polarizing

of

time

and

extremely

in

are

extremely

at

0.86

unit.

the

minimum

units

for

the

Figure

shown

inverse

repeatedly

instantaneous

is

shown

circuit

power

6

in

of

at

disk

seconds

inverse

14.

Figures

within

by

the

factor.

pickup

85%.

to

time

Figure

directional

completely

for

time

15,

relays.

1

unit

Table

current,

inverse

relays.

16

or

2%

is

shown

19.

VIII

and

For

of

unit

very

reset

time

17, the the

by

at

gives

Table

IX

Ordinarily

transformers transformers. fault of

and

the

instantaneous

DIRECTIONAL

Circuit

perating

Polarizing

gives

the

potential

and

the

The

need

be

considered

UNIT

current

burden

unit.

(Ohms)

Z

0.46

0.24

circuit

current

is,

CURRENT

circuits

therefore,

only

TABLE

CIRCUIT

12.0

burdens

is

in

for

this

9

VIII

BURDENAT60

VA

6.0

of

time

the

open

are

in

only

imposed

brief

CYLES

P.F

0.52

0.95

overcurrent

corner

the

residual

for

period.

of

the

AND

broken

duration

Table

units.

circuits

AMPERES

5

Watts

6.24

5.27

delta potential

of

X

gives

of

the the

current

ground burden

GEK-49822

Time Characteristic

Inverse Inverse

Very

Inverse

Very

Extr. Extr.

Inverse Inverse

**The The

inversely for tap

approximately

+

Some operate can a

CT

purpose.

Calculated

4

impedance

the

Type

is

22

companies

at

be

made.

secondary

CURRENT

CIRCUIT

Tap

Range

Eff.Res.

(Amps) (Ohms)

0.5/4 2/16

0.5/4

1.5/12

0.5/4

1.5/12

5.60

0.37

1.40

0.23 0.53 0.58

0.80

0.005

values

for

other

approximately

IBCG51M

ohms.

relay,

The

(0.5/1)2

list

minimum

It

pickup.

should

circuit,

from

burden

BURDENS

Burdens

given

taps,

as

impedance

x

22

=

relay

not

since

minimum

at

React.

(Ohms)

21.0

1.44

3.90

1.38

0.147

are

the

0.5/4

5.5 burdens

This

be

TABLE

at

those

at

square

amperes,

ohms.

column

used

the

IX

60

AT

Minimum

**Imped

(Ohms)

22.0

1.49

4.15

1.60

0.17

for

pickup

of

the

only

is

in

calculating

burden

pickup.

CYCLESOFTHE

Pickup

+Volt

5.5

5.8

1.0

1.3

0.4

minimum

P.F.

0.25 10.80

0.25

0.33

0.40

0.50

Amps

the

current

the

current

the

impedance

ampere

1

as

included

tap,

the

so volt—ampere

5

amperes

at

UNIT

TOC

Impedance

Ohms

Times

3 Mm

P.U.

0.65

4.20 2.90

0.58 0.36

1.60 1.60

0.17 0.17

tap

of

(tap

rating),

rating.

of

the

at

volt-ampere

direct

a

is

10

Mm

5.00

0.32

each

0.5

ampere,

1

comparison

burdens

used

at

Times

P.U.

relay. varies

Example:

ampere

input

for

*VA At Amperes

555.0

36.3

104.0

14.5

40.0

4.25

is to in

this

Fivc

Inst.

Unit

Amps

6-150

Hz

Range

60

Range Amps

L H

6-30

30-150

BURDENOFTHE

Mm.

Pickup

Amps

6

30

10

TABLE

X

INSTANTANEOUS

Burden Pickup

R

0.110

0.022

0.078

0.005

UNIT

Mm

at

(Ohms)

Z

0.135

0.023

3

0.095

0.022

Burden Times

Pickup

10

0.081

0.022 0.222

Ohms

20

0.079

(Z)

GEK-49822

IBCG

type,

of

relays

The

and

directional

its

The disk

type. means overcurrent

The

IBCG

relays

by

Table

The

IBCG

I,

relays

DIRECTIONAL

directional

The

stator

stationary

the

having

central

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current-operating,

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principle

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higher

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with

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split-phase

torque

in

CONTACTS

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closing

unit.

have

UNIT

eight

air

by

wattmetric

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faster

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consist

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contacts,

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poles

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gap

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current—polarizing

which

torque

element,

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and

lower

and

two

is

in

of

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The

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units,

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potential

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poles

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motor.

inertia

sensitive

CTI

ON

overcurrent

time

directional

or

controls

and

unit

models

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Mi

inward

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than

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unit

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with

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construction

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unit.

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parts,

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cup

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in

with

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The

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Figure

effects

low

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contact

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contact

(E)

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dial,

brush

contact. together

TIME The

by

OVERCURRENT

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current-operating coil coils

flow

coils

operating

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to

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material

dial

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the

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retainer

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produce

unit

of

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tip

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UNIT

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coil

to

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(C).

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wound

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contact

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close

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face

contact

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block.

with

field

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type,

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(K)

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a

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to

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tip

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moving

brush

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the

contact

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locknuts

structure.

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contact

vibration,

brush

supports

(D)

(F).

contact

bears

stop

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screw

contact

units consist

U-magnet

turn,

(B)

against

arm

contact

(M).

unit unit

develops

brushes

tend

on

The

(J),

striking

by

dial

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contains

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unit

to

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of

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retainer

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wound

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mounted

contact

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face

on

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have

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operating

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power

shading

on

in

the

of

one

a

(G).

of

the

made

the

11

The

extremely

that

used

structure

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of

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is contacts, magnetic unit

contact,

The

disk touches spring

to

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force

in

has

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a

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shaft

the

give

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carries

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the

by

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as

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When

unit

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spiral

spring

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overcurrent

meters

current

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contact-closing

on

the resulting

shape

winds

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flow

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torque

contact

or

contacts.

disk

of

the

up.

GEK-49822

unit

as

on

connected

and

in

such

on

the

to

produce

from

induction

follows:

the

connected

the

operating

which

current,

the

is

of

middle

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direction

completes

The

the

gradient

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to

series

coils

shaft

and

desired

wattmetric

upper

leg

taps

with

on

as

disk.

is

its

of

which

of

on

the

to

the

restrained

motion

time

the

results

type

portion

the

magnetic

the

directional

lower

close

trip

circuit

is

characteristic.

spiral

in

of

tap

legs

a

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by

retarded

an

similar

the

circuit.

block;

of

when

a

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spring

increased

iron

unit

by

to

the

it

a

The

is

TARGET

A

seal-in

has

its overcurrent seal-in

operates,

manually

cover. INSTANTANEOUS

The

IOC

the

right

obtained

range;

a

predetermined circuit until

releases

These designed

it handling promptly

for

relays,

to

any

is

notify

Reasonable parts

are

SEAL-IN

coil

unit

released

unit

side

by

this

and

it

is

the

protect damage

evident,

care

injured

UNIT

unit

is

in

unit,

picks

it

raises

UNIT

is

a

of

using

combination

raising

released. target

when

not

them

sustained

the

nearest

should

or

mounted

series

arranged

up

by

small

the

a

value,

its

of

included

file

be

the

on

the

and

its

in

and

seals—in

a

target

into

pressing

hinged-armature-type

TOC

unit.

tapped

coil

provides

the

instantaneous

target

The

the

into

same

instantaneous

RECEIVING.

as

against

a

in

damage

damage. transit.

General

exercised

adjustments

left

contacts

such

around

view

the

button

The

which

the

view.

button

part

claim

Electric

in

disturbed.

side

in

a

manner

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which

located

bC

element

provides

25-to-i

The

that

unit.

HANDLING

of

a

control

Inmiediately

If

at

once

Sales

unpacking

of

the

time

parallel

that

when

main

contacts.

latches

at

instantaneous

operates

a

5-to-i

total

range.

element

target

releases

AND

panel,

upon

injury

or

with

Office. the

relay

overcurrent

with

the

up

and

the

over

low

operates,

latches

the

STORAGE

will

receipt

damage

the

transportation

in

the

main

When remains

lower

element

a

range

When

in

target

be

resulting

order

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contacts

left

and

25-to-i

and

the

closing

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seal—in

shipped

of

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that

unit.

contacts

the

seal—in

exposed

corner

is

a

current

its

exposed

relay,

company

none

This

close,

mounted

total

5-to-i

position

unit

in

cartons examine

from

unit

of

unit

until

of

range

high

reaches

contact

also

rough

and

of

the

the the

the

on

If

the

original Foreign cover

matter

is

cartons

removed,

relays

are

not

in

collected

and

a

cause

to

place

on

be

the

trouble

installed

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outside

in

immediately,

is

free

the

from

of

the

operation

case

they

moisture,

may

of

the

find

relay.

should

dust

its

be

and

way

stored

metallic

inside

in

chips.

when

their

the

12

GEK-49822

Immediately

made

to

ensure calibrations readjustment

Since tests, these

operating

the

relays.

acceptance

VISUAL

Check

agree

Remove parts the tions

formed

INSPECTION

the

with

the

or

other

shorting

diagrams,

to

nameplate

contact MECHANICAL Top

Unit

(TOC)

upon

receipt

that

not

have is

necessary,

conipanies

following

These

tests,

the

relay

at

requisition.

from

signs

bars

are

Figures

the

INSPECTION

no

damage

been

section

tests

the

discretion

stamping

its

of

physical

in

the

5

shorting

of

the

disturbed. refer

use

includes

to

case

proper

to

ACCEPTANCE relay

been

has

to

the

different

be

may

of

ensure

and

check

damage

location(s)

inclusive,

9,

bar.

an

INSPECTION

sustained

the

If

section

procedures

all

applicable

performed

the

user.

that

and

TESTS

in

examination

on SERVICING.

for

as

the

model

there

that

all

shown

as

that

and

AND

tests part

number

are

screws

ACCEPTANCE

shipment

the

or

acceptance

that

the

of

and

broken

no

are

the

main

internal

by

the

and

test

may

rating

or

tight.

brush

TEST

that

indicates

and

installation performed

be

installation

of

cracked

connec

is

should the

the

Check

properly

be

relay

that

on

or

relay

molded

that

1.

2.

3.

4.

5.

Bottom

1.

2.

Target

1.

2.

3.

4.

disk

The

disk

The

magnet.

Both The

position. The

moving

is

at

Unit

rotating

The The

contact

and

The

armature

Both

The

target when The

contacts

shaft

air

gaps

disk

the

(DIR)

Seal-in

contacts the

target

end

should

be

should

contact

time

0

dial

shaft

should

gap

Unit/Instantaneous

and

contacts

should

release

should

play

centered

be

rotate

should

end

make

latch

have

should

free

freely just

position.

should

play be

0.015—0.025

should at

into

button

approximately

be

0.005—0.015

the

foreign

air

in

of

and

touch

be

Unit

move

approximately

view

is

just

operated.

inch.

gaps

of

matter.

should

the

stationary

0.015—0.020 inch

on

the

freely

when

the

as

the

0.030

inch

both

return

inch.

low

operated

same

contacts

wipe.

the

contact

gradient

time.

electromagnet

itself

by

make

when

contact.

hand.

and

to

the

should

the

time

and

unlatch

drag

reset

dial

13

GEK-49822

DRAWOUT Since

they

magnetic

relay

plug. shorting test the external

POWER

All sinusoidal the

will

Therefore,

use

freedom

relay;

RELAYS,

all

drawout

tested

be

effects

may

be

tested

This

plug

exercise

bars

allows

plug

in

of

circuitry.

REQUIREMENTS,

alternating—current-operated

waveforms

fundamental

be

affected

in

order

sine

from

wave

harmonics)

a

however,

electromagnets

waveforms.

GENERAL

relays

in

their

of

the

without

makes

the

case.

greater

GENERAL

can

frequency,

by

the

to

of

current

any

relay

(such

as

in

service

cases

or

enclosure will

removing

connections

The

12XLA12A

testing

care,

applied

test

analyzed

be

it

alternating

since

follows

waveform.

and/or

cannot

using

time

be

tuned

overcurrent

operate

an

it

only

flexibility,

connections

devices

as that

voltage.

expressed

in

equivalent

be

accurately

from

with

plug

test

affected

are

fundamental

a

alternating-current

current

The

as

circuits,

relays)

their

the

it

are

relays

purity

a

steel

may

requires

finite

R-L

cases, duplicated

panel

relay

made

or

is

case.

by

and

also

be CT

to

by

frequency.

frequency

properly,

of

the

number

RC

networks,

affected

it

using

does

both

(AC)

is

In

during

used. shorting

the

plus

it

sine

for

by

recommended

this

way,

testing.

12XLA13A

a

not

disturb

Although

jumpers

relay

Since

harmonics

devices

is

wave

any

or

(relays)

essential

(i.e., particular saturating

non—sinusoidal

and

that

any

A

test

any

this

and the

non—

of

to

its

TARGET

target

The When

the

0.2

used

minimum

ampere

minimum The

seal-in

take

a

There

will

(undesired)

necessary adjustment.

time.

Pickup

1.

Connect

ammeter

to

2.

Close

3.

Increase

4.

Open the

5.

Decrease

AND

control

unit.

screw

and

2.0

picked

SEAL-IN

and

with

control

tap.

tap

from

now

tap

to

Tap

Dropout

relay

and

amperes.

or

jumper the

the

parallel

the

seal-in

trip

When

voltage,

screw

To

the be and

prevent

screws

load

current

up

current

UNIT

unit

coils

voltage,

is

change

left-hand

screws

place

Test

studs

box

the

contact

position.

has

operating

the

trip

the

tap

the

in it

the

should

1

and

so

contact(s)

slowly

operating

an

the

target

coil

screw

tap

holding

setting,

stationary

both

back

right—hand

never

2

(see

the

that

until

circuit

until

on

taps.

in

be

current

the

14

currents

and current should

the

stationary

allowed

internal

parallel

seal-in

of

seal—in

coil

seal-in

be

the

first

contact

Next, left—hand

can

step

tapped

ranging

tap

ranges

placed

right-hand

remove

and

remove

contact

remain

to

connections

be

controlled

the

seal-in

unit

2;

the

unit

at

from

screw

from

in

the

place

contact.

picks

seal-in

drops

and

0.2

2

to

the

2.0

stationary

connecting it

the

screw

from

in

both

diagram)

unit up.

unit

out.

to

should

30

ampere

in

This

over

contact. See

2.0

amperes

the

from

getting

taps

to

should

See

amperes.

2.0 be

tap.

contact

plug.

desired

procedure

at

a

range

a

Table

amperes

in

set

at

of

the

out

the

source,

DC

of

XI.

remain

XI.

at the the

the

Then tap.

other

is

of

same

0.1

in

GEK-49822

TIME

Rotate close

Where

brush

in

its

With

sufficient

ensure Current

OVERCURRENT

the

time

at

the

0

time—dial

the

contacts

in

or

out

by

support.

the

contacts

gap

between

approximately

Setting

UNIT dial

means

TARGET

TAP

0.2

2.0

slowly

just

the

1/32

setting.

close

of

its

closing

stationary

inch

AND

and

wipe.

SEAL-IN

PICKUP

CURRENT

0.115

1.15

check

can

be

adjusting

at

TABLE

UNIT

-

0.195

-

1.95

by

adjusted

screw.

No.

contact

XI

OPERATING

means

of

by

This

0

time—dial

brush

CURRENTS

DROPOUT CURRENT

0.05

0.55

a

running

screw

and

OR

lamp

its

MORE

that

the

should

setting,

metal

the

contacts

stationary

be

held

there

backing

contact

securely

should

strip

just

be

to

The

minimum determined block

When

the

procedure

relay screw the

connecting

The

minimum should time

dial

means driver current

This

adjustment

between

Pickup IBCG53/54

IBCG77/78

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RELAY

Time-current

Time

———-

In

—

0’

——---

C

——---

—

Dl

-—-—---

U,

—

0

——---

0

—

Dl

E

—

I

TAP

Overcurrent

—

-

—

-.

—

SETTING

Characteristic

-

—

-

—

-

Unit

——

—

——

--

—--

—

——

—

——

—

40

GEK-

49822

0

U

0

cf

Ui

-J 0

‘1

Figure

18

(0208A8695’)

Hi_Seismic

TimeCUrrent

InstantaneoUs

41

CharaCter1st1

Unit

of

L)

the

I—

U)

LU

fuJ

cj

LU

—

LU U)

GEK-49822

(!1

-J

U)

LU LU

U-i

LU

-J (3

19

Figure

(0208A8694-2)

of

1N33èi3d

the

NI

Transient

Hi—Seismic

I-OYd]AO

Instantaneous

42

Overreach

Characteristics

Unit

GEK—49822

L

-

Contact

A

-

Stationary

B

C-Contact

H—Stationary

Dial

Tip

K

Contact

Brush

—

Retainer

J-Stop

Screw

K-Stationary

L—Mounting

M—Locknuts

Contact

Screw

Support

-

Moving

D E-Moving

Figure

Contact

20

Arm Brush

(8027688

Assembly

and

for

F G

8023399) Directional

the

43

Button

-

Moving

(

Low

I’-, L

Contact Contact

Gradient

Unit

Tip Brush

F E

Retainer

Contact

BLOCK

CONNECTING

BRUSH

MAIN

PLUG

BAR

BL

CONNECTING

TERMINAL

SHORTING

BRUSH

I

AUXILIARY

BRUSH

ON

BRUSH

MAIN

THE

ENGAGING

BEFORE

PLUG

BLOCK

ENGAGING

AUXILIARY

INCH

1/4

TERMINAL

CONNECTING

NQTE:AFTER

-n

cQ

co

CD

ci,

C) o

o-.

-f,

0

-+

—

>c

‘0

-

0

‘-S

D

THE

TRAVELS

(1

:,-

0

ADJ.

GEK--49822

RES.

ThN.

-.

—..

*

1

3

5

7

9

•

2

4

6

TYPE

XLA13

TEST

PLUG

Figure

22

(0195A9179-O)

Test

Connections

45

for

Checking

Pickup

of

TOC

Unit

TOT1)4ER

“STOP”

GEK—49822

oNi—

I

ADJ.

R.

--

RATED

1

—-‘i,

2

TYPE

1LA13

3

TEST

PLUG

5

6

7

S

TO

Tll4

“START”

9

10,

Figure

23

(0195A9180-O)

Operating

Test Time

46

Connections

of

TOC

Unit

for

Checking

ADJ

•

GEK—49822

RES.

I

(5-k_EQ

120

V

RATED

-

TYPE

XLA13

1

2

TEST

PLUG

4

6

8

10

Figure

24

(0195A9181-1)

Directional

Test

Unit

Connections

using

Current

47

for

Checking

Polarization

Pickup

of

GEK—4

9822

TYPE

XLA13

TEST

PLUG

I

120V

RATED

(0195A9182-O)

Figure

25

Directional

Unit

Test

using

Connections

Potential

48

Checking

for

Polarization

Pickup

of

GEK—49822

______

____

15.

125

384MM

1/4

6

HOLES

6MM

5.

132MM

375

1

0.

264MM

.218

5MM

FOR

TYPICAL

INCHES

MM

6

-.—

.

168MM

GLASS

[

DRILL

H-

187

1I

PANEL SEMI-FLUSH

DRILLING

FRONT

DIM.

625

1

125

29MM

CU

TtI

.

687

5

144MM

MOUNTING

VIEW

—

UI

12843

7MM

•J

PANEL

VIEW

FOR

SEMI

-

7,406

186MM

L

1

CASL

SHOWING

SURFACE

PAN[L

-FLUSH

6) MTG.

157MM

14,812

376MM

5MM

LOCATION

10—32

SCREWS

5/8

DRILL

4

HOLES

16MM44MM

8.312

6,l906

J

175MM

18MM

76MM

ASSEMBLY

MTG.

ON

SURFACE

X

3/8

211MM

10

0

OF

STEEL

(4)

FOR

1

0—32

STUDS

3.0

76MM

3 M

HHLoI

5.25

1

33MM

DRILL

HOLES

19MM

5/16-18

HARDWARE

PANELS

5/16—18

SURFACE

1

4

365MM

CUTOUT

500

I

PANEL

FOR

STUD

375

00000

10

BACK

DRILLED

/

4.156 1

sir-I

DRILLING

SURFACE

FRONT

STUDS

MTG.

STUD

NUMBERING

97531

00000

8

6

4

VIEW

NAY

REPLACE

HOLES

06MM

7

185MM

468

500

12MM

I

(TYPICAL)

MOUNTING

VIEW

2

281

Figure

26

(K-6209273

[51)

Outline

Type

and

IBCG

49

Panel

Relays

Drilling

Dimensions

for

0

GE

Power

215

Anderson

Markham, Canada Tel:

(905)

Fax:

(905)

www.ge.comlindsyslpm

Management

Avenue

Ontario

L6E

1B3

294-6222

201-2098