GE CEY52B Instructions Manual

INSTRUCTION

S

GEK—45495

U

MHO

DISTANCE

TYPE

RELAY

CEY52B

GENERALS

ELECTRIC

LsURJPTION

APF’L

(Al

I

I

ON

RATINGS
OPERATING

PRINCIPLES

CHARACT[RISEILS

BURDENS

LALCULA1
UONSTRUCT
RECEIVING,

ACLEPTANCE

ASTALLATION

iON

OF

ION

HANDLING
TESTS

PROCEDURE

INSPECTION

PLRIODIC

CHECKS

SERVICING

RENEWAL

PARTS

SETTINGS

AND

AND

ROUTINE

STORAGE

MAINTENANCE

GE

K-A

5495

CONTENTS

PAGE

3
3
2

4

5
7

7
N
8

9
11
14

14
15
17

‘S.)
to
C-)
CD

to

to

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GE

K-4

54

95

The

designed

is

relay
testing.
dimensions

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itself,
relays

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protection.
distance

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highest

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a
voltage
protection

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CEYS2B

section

the

than

less

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cycles

t
desired
the

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as

adjust-nd

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specifically

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section

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type

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Figure

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the

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for

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typical

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entitled

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25

CEY52

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utcton

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three-phase,

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use

for

three

of

connections

Figure

in

for

use

respect.

this

BASIC

TAPS

0.5

1.0

is

a

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designed

a

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of

part

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4

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the

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of

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MHO

TYPE

DESCRIPTION

speed,

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with

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for

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16.
first

a

as

MINIMUM

CEY52R

OF

-

1.0

—

-

2.0

-

three—phase,

to

be

high-speed

a

typical

CEX2OA

the

REACH

1.5

3.0

used

scheme

or

units

relay

external

function,

zone

single

with

to

pilot-relaying

external

relay.

the

the

relied

is

protection
reach

CLY52B

should

required.

SETTINGS

OF

Once

the

on

setting.

will

provide

to

be

settings

for
desired

of

be

protection

AUTO—TRANSFORMERS.

instructions

these

three

setting
Fig.
minimum

over

tap

pu.’tpo-’t-t

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to

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by

reach

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for

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on

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connec,tcon

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unit

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to

DiSTANCE

CEY52B

single-zone
CEX2OB
mounted

shown

are

connections

TABLE

ICATION

APPL

mho

zone

CEX2OA

a

provide

connections

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of

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to
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to

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CEX2OA

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select

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devices

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3

BASIL

**MaxiIiluIli

CONTACTS

The

the

circuit

the

relay

REACH

-

1,0

0.5

1-2-3

*Adjustment

increase

contacts

breaker

contacts

TAPS

-

1.5

taps

torque

to

approximately

of

the

trip

have

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angle

CEY52
circuit

no

interrupting

set

can

relay

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(ØN

using

be

120

must

MTN

OHMS)*

0.5

1.0

1.5
1
2

middle

adjusted

percent

will

be

rating.

REACH

close

opened

tap
up

of

and
by

GE

K-4

TABLE

r

at

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to

75

its

carry

an

auxiliary

5495

II

RANGE

(0-N

OHMS)

0.5

-

1.0

-

1.5

-

1—4
2-8

3-

factory.

degrees.

reach

momentarily

at

2.0

4.0

6.0

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the

switch

60

reach

degree

30

contact

ANGLE

MAX

TORQUE

600

600
60°

600
600

of

amperes

OF

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setting.

direct

or

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units

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suitable

ONE

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150

150
150

150

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SECOND

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TARGET

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10

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of

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in

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Operating

amps
amps

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balance

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UNIT

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for

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pole,

point

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with

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relay

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0.2

AMP

0.2

amp

0.4

amp

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0.25

7.0

ohms

52

ohms

OPERATING

the

four

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are

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t

iu

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cc

car

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ratings

III

TAP

sec.

PRINCIPLES

pole

induction

and

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s

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the

t

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fluxes

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in

the

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produce

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0.6

1.5

0.5

4.0

0.6

6.0

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the
polorizing

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amp

amp
sec.

sec.
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ohms

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two

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currents

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construction

to

side

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flux

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torque.

by

the

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0

2.0

3.5

4.0

30.0

0.13

0.53

the

poles,
which

produce

to

following

AMP

TAP

amp
amp
sec.
sec.

ohms
ohms

in

restraining

oneraized

is

energized

restrain

with

equation:

which

the

torque

or

by

by

seme

a

where:

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=

0

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phase-to—phase

I

=

delta

0

=

angle

=

power

0

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design

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of
factor

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current

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angle

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voltage

1

torque

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2

(E12)

-

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of

the

unit

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equation

GE

K—4

54

95

to

prove

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the

reduces

equation

to:

defines

a

mho

characteristic

divide

both

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and

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angle

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UNIT

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setting
the

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unit

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.

irec

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the

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tap

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pick

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block

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along

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component

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unit.

CHARACTER

unit

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shown

up
total

degree

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0)

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ISTICS

circle

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line

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at

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degrees

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to

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circle
the

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SERVICING)

for

the

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always

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tap

on

taps

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on

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shown.
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For

performance

to

the

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between

fault,

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current

between

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unit

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conditions.

0

current

the

adjustment

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1.5

2

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unit

for

1/2/3

range.

during

refer

to

carefully

and

60

is

MIN
TAP

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the

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at

unit)

paragraph

faults

For

in

Table

of

the

factory

for

correct

of

+10

low-voltage

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to

in

faults
IV

the

percent

on

have

correct

the

non-tripping

for

core

*VOLTS

2.0

vol

2.0

volts

2.0

volts

2.0

volts
volts

2.0

on

the

directional

can

conditions,

memory

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the

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ts

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action.

three

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position

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over

on

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action

under

the

contacts

the

reach

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CURRENT

steady—state,

unit

settings

should

RANGE

CORRECTOIRECTIONAL

ACTION

12

-

60

6

-

60

4.5

-

60

3

—

60

2

-

60

for

the

0.5/1/1.5

the

indicated

values

was

unit

listed.

normal

will

will
any

amps
amps

amps

amps

amps

and

current

at

remain

close

at

the

adjustment

FOR

2

120

volts

low

open
its

voltage

prior

voltage

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application
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effective,

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tests

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cycles

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setting

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value

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illustrate

3

following

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for

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regardless

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if

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of

faults

reduction

it

zero

to
that

3

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contact
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the

at

which

in

percent

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for

with

the

enables

voltage

protect

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is

greater

delayed.

type

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all

with

the

who
of
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RPM

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GEK-45495

the

in

reach
of

that

points
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full

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for

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the

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the

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of

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the

referring

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with

amperes.

relay

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sufficient

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plotted

current

right

fault.

to

operate

it

static

a

period

is

action

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three-ohm

operate

in

Fig.

against

scale

of

the

to

the

of

120

in

This

for

to

Fig.

is

imperative

conditions,

of

time

used,

as

characteristic

voltage

may

for

3

changes

volts

the

memory

low

3.

under

basic

a

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curve.
relay

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and

second

to

somewhat

the

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with

before

unit

action

fault

zero

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dynamic

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therefore,
should

give

lower

and

2

three—phase

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steady-state

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to

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currents.
voltage
the

relay

not

see

conditions

reach

zone

relay

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used.

tripping

than

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ohm

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reach
fault

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memory

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curves

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before

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when

100

action

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cur

the

can

be

zero
at

5.

Operating
The

setting
relay
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rnho
TAPPED

operating

of

voltage

Time

taps

were

AUTO-TRANSOFRMERS

The

ohmic
auto-transformer
The

other

winding

The

necting

desired

the

subtracted

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ale

tap

impedance

1:

neutral

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TAP

the

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in

two

from

setting

SETTING

Time

time

unit,

the

reach

has

is

tap

windings

the

expressed

of

fault

to

the

are

given

100

of

the

two

windings.

tapped
setting

of

15-95

required

DESIRED

the
current
fault.

percent

(See

mho
at

the

percent

in

who

unit
magnitude,
The

for

four

position

Fig.

7)

units

may

One

percent,

0

is

made

by

auto-transformer.

winding.

to

protect

secondary

Tap

Setting

where:

=

91

is

curves
ratios

winding

the

a
terms,

0
9

determined

ratio
in

of

and

the

be

adjusted

1

percent,
proper

zone

(100)

=———

Power
Angle

Fig.
fault

angle

is

tapped

location
Note

Z

ohms

is

determined

(Mm.

factor

of

maximum

by

of

fault

8

impedance

by

percent

3

long,

a
are
of

means

in

that

Ohms

angle

number

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for

the

maximum

of

10

percent

and

of

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the

0—5

where

by

the

Setting)

of

fault

torque

of

to

torque

taps

5
leads

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of

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condition
relay

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marked

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positive

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impedance

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unit

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the

winding

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reach,

of

rated

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set

at

two

auto-transformers.

from

15

No.

1

may

phase

equation:

the

and
volts

60

degrees

percent

and

sequence

basic

magnitude

In

the

be

added

minimum

prior

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lag.

to

jumper

phase-to-

to

cases,

95

or

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cite

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one

4

TAP

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4

end

percent

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end

percent

of

of

jumper
setting

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setting

lead

of

lead

of

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to

89

to

95

0—5

85
0-5

percent.

percent

percent.

percent

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winding

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winding

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the

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215

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L6E

(905)

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Avenue

Ontario

1B3

294-6222

201-2098