GE CHC12A Manuel utilisateur

INSTRUCTIONS

GEI-7,1676E

I:\SERT

BOOKLET

GEK-1253

FAULT

DETECTOR

RELAY

TYPES

CHC12A

CHC13A

CHC13B

GENERAL

ELECTRIC

GEI-74676 Fault

Detector

Relay Type

CHC

TARGET

UNIT

MOViNG

r:ONTACT

CONTROL

SPRING

ADJUSTER

MOVING

CONTACT

STOP

ASSEMBLY

Fig.

(80",033(\

8030329)

____

REAR

8"ll_

STOP

ASSeMBLY

_---

seAL

-!N

UNIT

-----

CUP

UNIT

(PFDl

CHC12A

Removea ?rom Case

C:".UT(.b-

AClJJSTil\;G

SCRtw

<:.)

FAULT DETECTOR RELAY

CHC12A,

CHC13A

AND

CHC138

INTRODUCTION

This

supplement

conjunction

with

GEK-1253

forms

instructions

for

the

CHC12A

relay.

All

in-

formation

pertinent

the

CHC12A

relay

but

not

covered

this

supplement

isasshowninGEK-1253.

The

CHC

l2A

relay

three-phase

high

speed

nondirectional

overcurrent

relay.

The

relay

con-

sists

induction

cup

unit

(PFD),

target

unit,

and

telephone-type

seal-in

unit

mounted

S-2

size

drawout

case.

The

CHC13A

similar

the

CHC12A

except

for

the

contact

circuit

arrangement.

The

CHC13A

(PFD)

operates

auxiliary

telephone

relay

which

provides

two

normally

open

electrically

separate

contacts.

target

wired

one

these

contact

circuits.

This

auxiliary

relay

occupies

the

same

position

the

seal-in

unit

the

CHCI2A.

The

auxiliary

relay

a D.C.

continuously

rated

unit

that

draws

less

than

watts.

The

CHC

l3B

similar

the

CHC13A

except

for

internal

connection.

The

main

operating

unit

this

relay

similar

construction

except

for

the

moving

element

stop

screw,

and

has

the

same

operating

characteristics,

the

PFD

unit

the

CHCllA

relay

described

the

attached

GEH-2035.

APPLICA

TION

The

CHC12

relay

designed

for

use

cur-

rent

fault

detector

connection

with

distance

relays,

prevent

operation

the

associated

timer,

tripping

the

circuit

breaker

due

loss

relay

potential

supply

for

other

reasons

than

system

fault.

This

can

occur

due

(1)

short

circuits

open

circuits

involving

the

potential

supply,

(2)

due

switching

(with

some

configurations

power

circuits),

(3)

due

the

use

line-side

potential

supply.

the

latter

case,

the

fault

detector

pro-

tects

the

timer

against

burnout,

and

prevents

false

re-tripping

the

circuit

breaker

the

instant

reclosure.

The

case

size

and

internal

connections

are

arranged

provide

mechanical

and

electrical

inter-

changeability

with

the

PJC31C

The

advantage

the

CHC

over

the

PJC

that

designed

permit

operation

the

picked

position,

that

can

used

where

the

maximum

load

current

exceeds

the

mlnlmUm

fault

current.

During

load

conditions

which

pick

the

CHC,

cannot

perform

function

(1)

above,

and

mayor

may

not

perform

function

(2)

above

(depending on

whether

the

con-

nections

are

such

pick

the

CHC),

but

will

always

perform

function

(3).

The

relay

includes

separate

target

and

seal-in

unit

operated

from

trip

current.

The

target

and

seal-in

units

ratings

are

given

below:

Rated

Operating

Trip

Duty

Resistance

Current

Range

AMPS OHMS

0.2

-3 3 12.4

1.0 1 -

0.64

,.-

2.0

2 -

0.22

---~-~-

Typical

external

connections

for

both

CHC12A

and

CHC13A

are

shown

Figs.

and

7 of

this

supplement.

CONSTRUCTION

Outline

and

Panel

Drilling

dimensions

for

the

Type

CHCI2A,

CHC13A

and

13B

relays

are

shown

Fig.

8 of

this

supplement.

The

internal

connections

for

these

relays

are

shown

Figs.

and

5 of

this

supplement.

RECALmRA

TION

The

moving

contact

stop

screw

assembly

this

relay

the

left

rear

section

the

moulded

head

directly

behind

the

stationary

contact.

The

contact

gap

the

PFD

0.020

inch.

This

gap

set

the

factory

and

normally

will

not

necessary

reset

it.

However,

inspection

indicates

that

this

setting

has

been

disturbed

the

following

procedure

recommended.

Remove

the

rear

ball

stop

assembly.

Loosen

the

locking

screw

the

contact

stop

screw

assembly

and

advance

the

stop

screw

until

the

moving

contact

arm

parallel

the

sides

the

cup

unit.

These

instructions

not

purport

cover

all

details

variations

equipment

nor

provide

for

every

possible

contingency

met

connection

with

installation,

operation

maintenance.

Should

further

information

desired

should

particular

probleTf15

arise

which

are

not

covered

sufficiently

for

the

purchaser's

purposes,

the

matter

should

referred

the

General

Electric

Company.

the

extent

r"<1uirAd

the

prod'.1cts

described

herein

meet

applicabh'

"1NSr,

IEEE

and

NEMA

standards;

but

s,]ch

,iSSUrancc)

given

h'ith

respect

local

codes

and

ordindnce~-;

b::.ca!l~;c

i'hey

vaz'y

greatly.

GEI-74676

Fault

Detector

Relay

Type CHC

Advance the

stationary

contact

assembly

until

just

touches

the moving

contact.

neon

lamp

connected

across

terminals

and

best

suited

for

this

purpose.

Tighten

the

clamping

screw

that

the

stationary

contact

secure.

Back

off

the

stop

screw

until

the

measured

gap

0.020 inch between the

stationary

and moving

contacts.

(It

should

be noted

that

0.020 inch

corresponds

approximately

two-thirds

of a

turn

on the

stop

screw).

Tighten

the locking

screw

of the moving

contact

assembly

stop

screw

this

posi-

tion.

Care

should be

taken

not to

disturb

the

contact

adjustment

and

should

noted

that

the locking

screw

bears

the

moving

contact

stop

assembly

support.

With

the

connections

Fig.

6 of

this

supple-

ment,

set

the

current

of the cup

unit

the

mini-

mum pickup

value

and

adjust

the

control

spring

described

under

SETTINGS, in the

attached

GEK-12

obtain

pickup.

Replace

the

rear

ball

stop

assembly

and

advance

slightly,

making

sure

that

the moving

contact

arm

does

not

touch

the

rear

ball

stop

assembly

when

pushed

by hand to

and wipe

on the

stationary

contact.

Now,

change

the

current

1.5

times

the

minimumjlickup

current.

means

switch

(Fig.

6), apply

current

suddenly

and

observe

whether

the

cup

unit

contacts

bounce

open. A neon

light

connected

across

terminals

and

best

suited

for

this

purpose.

there

visible

contact

bounce,

tighten

the

clamping

screw

hold

the

ball

stop

assembly

position.

the

~C'.,tacts

bounce,

advance

the

rear

ball

stop

PHASE

SE()Ut.NCt.

1-2-3

3-2-1

--~-------1

--+--1~-----2

---+--1--

........

----3

assembly

carefully

until

there

contact

bounce

when

current

suddenly

applied.

sure

not to

advance

the

assembly

excessively,

will

change

the

cup

unit

pickup. (The moving

contact

arm

should

touch the

rear

ball

stop

assembly

after

the

front

contact

closes

and

wipes

least

0.005 inch),

make

sure

the

rear

ball

stop

assembly

not

advanced

excessively,

reduce

the

current

through

the

relay

the

minimum

pick

value.

The

relay

should

operate

its

contacts

that

value.

The pickup of the cup

unit

may be changed in

the

manner

described

under

SETTINGS of

PFD

attached

GEK-1253.

With the

connections

Fig.

6, the

clutch

should

adjusted

slip

approximately

amperes.

The

clutch

sUpping

point

may

be changed

turning

the

clutch

adjusting

screw.

Turning

the

3~rew

clockwise

will

cause

the

clutch

slip

hlgh~r

value

current.

sure

tighten

the

lockmg

nut, but be

careful

not to

disturb

the

clutch.

SEAL-IN UNIT

AND

TARGET UNIT

Mechanical

Adjustments

Seal-In

Unit

There

should

least

1/32

inch

clearance

between

the

armature

and

the

pole

piece.

b. The

normally

open

contacts

should

have a

gap of 0.015 inch

and

the

normally

closed

contacts

should

have

least

grams

pressure

measured

the

contact

tip.

The

normally

open

contacts

should

with

least

0.005

inch

wipe.

The

normally

closed

contacts

should open to a gap of

0.015 inch.

!lQ

13rPi6

191

1 I

I 1

ONE

I I

THREE

DISTANCIi:

RELAY~

OOTTED

CONN'S.

ARE

REQUIRED

FOR

PJC31

OPTIONAL

FOR

CHC12.

50-FAULT

DETECTOR

TYPE

CHe

52-CIRCUIT

BREAKER

SI-SEAL-IN

UNIT

Fig.

2 (C)l(:5A6887-(J;

r:rpical

External

Connections

For

The

CHC~2A

Relay

0··

-'--

TARGET

PFD

(r1

1fl

[-1

2 4 6 8

SHORT

FINGER

;;'1,;.

(0148A3956-6)

Internal

Connections

(Front

View)

For

The CHC12A

Relay

Fault Detector Relay

Type

eHe

GEI-74"JI';

;:)

I "114

, f

2 4

(WHI:N

U~ED)

47K

Fig.

(0165A7519-6])

Ircte2';1:11

Conncctio:1S

Ii,

Ty-pe

CHC13A Rela.\'

(Front

Vi,"",)

GEI-74676 Fault Detector Relay Type

CHC

PFO

I-

1 1I

1 3

2 4

41-:...fL I

SE~~)

!tI.

\II

PFD

]

SHORT

FINGERS

Fig.

(0178A7139-5)

Internal

Connections

For

TypE' CHC13B

Relay

(Front

View)

I·

:2C

V0LTS

_________________________________

_____________

~5~

P,I')

, .

i;~;

Fault

Df:,e['!or

Relay

Type' CHC

(,E£74f)?r;

PHASE

S[QUENCE

1-2-3

3-2-1

------.--

__________

<'_

CIRCUIT

BREAKER

3 4

5 6

---=/'rs-

(+>

10I~

PFD

5..Q.

12fA

PROTECTIVE

RELAYS

--'--------_._---

(

NOTE:

SHORT

BAR

STS

BETWEEN

STUDS

THAT

WHEN

RELAYS

REMOVED

FROM

CASE

POSITIVE

POTENTIAL

BROUGHT

DIRECTLY

THE

PROTECTIVE

RELAYS.

THIS

NOT

DESIRED,

MAKE

CONNECTION

STUD

.11.

.LfGEND

CHC13A

PFD -

PHASE

FAULT

DETECTER

A-

AUXILIARY

UNIT

T -

TARGET

H.C.-HOLDING

COIL

(~jE~

USE~J

F'ig.

(0178A7089-1)

8xtl""D.l

C,)IUlt'ctions

F,",

'l'lw

CaCl

}~'.'.l;~:,

GEI-74676

Fault

Detector

Relay

Type

CRC

PANEL

LOCATION

6.625

168MM

SEMI-FLUSH

SURFACE

~MTG,

MTG~I

,,0

0.312

(2)

5/16-18

STUDS

FOR

SURFACE

MTG.

1917151311

00000

9 .875

18 16

250MM

261MM

(4)

0-32

3/8

MTG,

SCREWS

STUD

NUMBERING

GLASS

10'

1/4

DRILL

HOLES

6MM~

2.781

71MM

5.562-

42MM

J..

't'

.218

5MM

·t~

1 . 125 - _ I

29MM

-ct-

-1---

CUTbuT

5.687

144MM

PANEL

DRILLING

10-32

STUDS

753

00000

8 6 4 2

I ! I I

187 1

'3MM

3 , 0 I

157MM

76MM

BACK

VIE'W

CUTOUTS

MAY

REPLACE

DRILLED

HOLES

5.000

127MM

10.

254M

,75

[46MM

4,875

123MM

9.75

............

___

2471MM

1,468

37MM

~----~~--~~I~

I I

3/4

DRILL

HOLES

19MM

____

.500

12MM

(TYPICAL)

PANEL_

LL_

FOR

SEMI-FLUSH

MOUNTING

~5/16-18

FOR

SURFACE

HC!UNT

ING

FRONT

['vi

FRONT

VIEW

TYPICAL

DIM.

INCHES

3.0

76MM

STUD

VIEW

SHOWING

ASSEMBLY

HARDWARE

FOR

SURFACE

MTG.

STEEL

PANELS

* Fig. 8 (6209272 [7J) Outline

and

Panel

Drilling

Diagram

for

the

CHC12A,

CHC13A

and

CHC138

Relays

{2/92}

(1200)

GENERAL

ELECTRIC

METER

AND

CONTROL

BUSINESS

DEPT.,

MALVERN,

19355

Ce manuel convient aux modèles suivants

Autres manuels GE Relais

GE LPS-O Manuel utilisateur

GE TMC21B Manuel utilisateur

GE L30 Manuel utilisateur

GE MiCOM P40 Agile P14D Manuel utilisateur

GE T35 Manuel utilisateur

GE D60 Manuel utilisateur

GE Masoneilan 469 Series Manuel d'utilisation et d'entretien

GE 345 Manuel d'utilisation et d'entretien

GE D30 series Manuel utilisateur

GE SFF201A Manuel utilisateur

GE IRT51 E Manuel utilisateur

GE P24DM Manuel utilisateur

GE Masoneilan 469 Series Manuel utilisateur

GE IAV53K Manuel utilisateur

GE DFF1000 Series Manuel utilisateur

GE ACR11B Manuel utilisateur

GE CAP15A Manuel utilisateur

GE ML Series 350 Manuel d'utilisation et d'entretien

GE IAV53E Manuel utilisateur

GE RPM11A Manuel utilisateur

GE Multilin DBT Manuel utilisateur

GE IAC53A Manuel utilisateur

GE Baker Hughes Masonelian BR200 Manuel utilisateur

GE P4A Manuel utilisateur

Manuels Relais populaires d'autres marques

Shelly

Shelly Pro Series Manuel utilisateur

ABB

ABB RELION REF615R Manuel utilisateur

Pilz

Pilz PNOZ X10 Manuel du propriétaire

ABB

ABB SPAJ 142 C Manuel de la liste des pièces

Kemo Electronic

Kemo Electronic B197 Manuel utilisateur

Seg

Seg MRM3 Manuel utilisateur

Basler

Basler BE1-700C Manuel utilisateur

CD Automation

CD Automation REVEX 2PH 280A Manuel utilisateur

Ruelco

Ruelco 1S04 Manuel utilisateur

Basler

Basler V3E Z1P B2C1F Manuel utilisateur

Doepke

Doepke Dupline DSM 2 Manuel utilisateur

Siemens

Siemens SIRIUS 3RT1966-4D Manuel utilisateur

Kyongbo Electronics

Kyongbo Electronics GDR-D01 Manuel utilisateur

Siemens

Siemens SIPROTEC 4 Manuel utilisateur

Siemens

Siemens BD2-AK03X/FS Series Manuel utilisateur

Leuze

Leuze MSI-SR5B Manuel utilisateur

Littelfuse

Littelfuse SE-330AU Manuel utilisateur

EVA Logik

EVA Logik ZW12 Manuel utilisateur