GE SE-100E Manuale utente

INSTRUCTIONS

GEI

88767

Supersedes

GEI

88767

IOOE

IOOS

GENERALS

ELECTRIC

Courtesy of NationalSwitchgear.com

GEI

88767

CONTENTS

Page

Introduction

Ratings

Receiving

Handling

and

Storage

Receiving

and

Handling

. .

Storage

Installation

. .

Mounting

Connections

. .

Switch

Alignment

Description

Operation

(

100

and

100

)

Closing

Operation

Opening

Operation

Adjustments

(

100

and

100

)

...

Description

Operation

(

100

)

Closing

Operation

Opening

Operation

Adjustments

(

100

)

General

Maintenance

Periodic

Inspection

Insulation

System

Interrupters

Contacts

. .

Switch

Alignment

Mechanism

Lubrication

Final

Inspection

Insulation

Test

Renewal

Parts

Ordering

Instructions

Parts

Recommended

for

Normal

Maintenance

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GEI

88767

LOAD

BREAK

SWITCH

TYPE

100

INTRODUCTION

The

100

switch

has

manually

charged

spring

stored

energy

operating

mechanism

capable

closing

the

switch

against

maximum

rated

short

circuited

current

Rotation

the

operating

handle

through

arc

180

degrees

provides

positive

action

closing

and

opening

operation

means

the

stored

energy

springs

The

type

100

load

break

switch

manually

elec

trically

operated

triple

pole

disconnecting

switch

with

inte

gral

interrupter

that

has

capability

interrupting

transformer

magnetizing

and

load

currents

within

its

rating

The

switch

normally

furnished

with

outside

and

inter

phase

insulating

barriers

metal

enclosed

housing

can

connected

either

directly

the

incoming

side

power

transformer

the

primary

bus

cables

the

use

pot

heads

When

applied

with

power

fuses

the

combination

serves

successful

switching

and

fault

protection

device

The

100

switch

similar

the

100

except

that

has

electrically

charged

spring

stored

energy

operating

mechanism

having

the

same

closing

capabilities

The

switch

normally

operated

energizing

the

integral

electric

motor

that

charges

the

springs

for

positive

closing

and

opening

opera

tions

The

switch

can

quickly

converted

from

electrical

manual

operation

permitting

operations

with

operating

handle

for

maintenance

emergency

use

normal

feeder

single

circuit

applications

the

sta

tionary

contacts

the

load

break

switch

should

connected

the

source

power

and

the

moving

contact

blades

energized

when

the

switch

the

open

position

When

the

switch

used

complex

circuit

configurations

such

“

main

tie

main

”

“

double

feed

”

circuits

back

feed

can

ccur

which

results

the

moving

contact

blades

being

ener

gized

during

the

opening

operation

For

these

conditions

the

13.8

switch

special

barrier

required

prevent

flashover

between

the

switch

blades

and

the

metal

front

the

enclosure

Special

barriers

are

not

required

the

4.8

load

interrupter

switch

The

100

switch

manually

closed

and

opened

switch

with

only

load

break

capability

indicated

the

nameplate

The

operating

handle

must

rotated

180

degrees

with

full

positive

motion

assure

proper

closing

and

open

ing

with

the

direct

drive

mechanism

The

operating

handle

often

interlocked

with

other

devices

such

secondary

circuit

breakers

order

assure

sequential

operation

100

SWITCH

RATINGS

Load

Break

Current

Amps

Latch

Current

Amps

Nominal

Voltage

Max

Design

Voltage

BIL

Continuous

Current

Amps

Momentary

Current

600

000

4.8

5.5

600

8 8

1200

4.8

5.5

600

13.8

15.5

600

13.8

15.5

1200

5.5

600

400

4.8

100

13.8

15.5

600

100

Discontinued

1973

Those

instructions

not

purport

cover

toils

variations

equipment

nor

provide

for

every

possible

contingency

met

connection

with

inst

tion

operation

maintenance

further

information

desired

should

particular

problems

arise

which

are

not

covered

iciently

for

the

purchaser

purposes

the

matter

should

referred

the

General

Electric

Company

the

extent

required

the

products

described

herein

meet

applicable

ANSI

IEEE

and

standards

;

but

such

assurance

given

with

respect

local

codes

and

ordinances

because

they

vary

yreatly

Shouid

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GEI

88767

RATINGS

the

use

arc

chute

type

interrupter

working

conjunc

tion

with

auxiliary

blade

the

switch

opened

the

auxiliary

blade

contacts

are

the

last

separate

and

will

ini

tiate

arc

within

the

interrupter

The

hot

arc

causes

gases

released

from

the

plastic

arc

chute

sides

such

volume

that

the

arc

blown

away

from

the

rapidly

moving

auxiliary

blade

and

cooled

contact

with

the

large

area

arc

chute

sides

After

the

arc

has

been

extinguished

the

blades

continue

open

providing

sufficient

air

gap

isolate

the

terminals

Refer

the

nameplate

for

complete

ratings

any

particu

lar

switch

not

apply

the

switch

for

any

duty

where

voltage

current

levels

are

greater

than

those

given

the

nameplate

The

chart

the

page

gives

the

ratings

for

the

basic

switches

The

interrupting

ability

the

switch

accomplished

RECEIVING

HANDLING

AND

STORAGE

RECEIVING

AND

HANDLING

the

following

precautions

should

taken

insure

proper

storage

conditions

Immediately

upon

receipt

the

switch

examination

should

made

for

loss

damage

sustained

transit

jury

rough

handling

evident

damage

claim

should

filed

immediately

with

the

transportation

company

and

the

nearest

General

Electric

Apparatus

Sales

Office

should

noti

fied

The

switch

should

stored

warm

dry

location

protect

the

insulation

parts

from

condensation

The

switch

should

stored

clean

location

free

from

corrosive

gases

fumes

Particular

care

should

taken

protect

the

equipment

from

moisture

and

cement

dust

this

combination

has

very

corrosive

effect

many

parts

Although

damage

due

handling

minimized

because

the

metal

enclosure

expected

that

due

care

will

exer

cised

the

unpacking

and

installation

the

switch

unit

that

damage

will

occur

from

careless

rough

handling

from

exposure

moisture

dirt

Care

should

exercised

prevent

tools

from

striking

any

part

the

housing

switch

itself

Machined

parts

the

operating

mechanism

should

coated

with

heavy

oil

grease

prevent

rusting

Loose

parts

associated

with

the

switch

are

always

included

the

same

crate

Check

all

parts

against

the

packing

list

sure

that

parts

have

been

overlooked

the

switch

stored

for

long

periods

time

periodic

spections

should

made

insure

that

corrosion

metallic

parts

deterioration

insulation

parts

has

not

begun

Should

the

switch

stored

under

unfavorable

conditions

steps

should

taken

dry

out

replace

insulation

parts

fore

placing

service

STORAGE

recommended

that

the

switch

placed

into

service

immediately

its

permanent

location

this

not

possible

INSTALLATION

Each

switch

has

been

tested

and

inspected

before

shipment

from

the

factory

;

however

before

placing

the

switch

service

the

following

items

should

checked

assure

that

change

has

occurred

during

shipment

and

storage

twisting

may

cause

misalignment

the

contacts

necessary

shims

should

used

prevent

twisting

CONNECTIONS

The

connections

the

600

ampere

switch

may

made

from

above

below

the

insulator

support

The

1200

ampere

switch

must

have

the

upper

connections

above

the

upper

insu

lator

support

and

the

lower

connection

below

the

hinge

sup

port

insulator

Connection

bus

bars

this

terminal

can

MOUNTING

The

switch

must

mounted

the

housing

supporting

both

the

front

and

rear

Care

should

taken

not

distort

frame

mounting

unflat

out

square

surfaces

Courtesy of NationalSwitchgear.com

GEI

88767

The

primary

insulators

and

other

insulation

parts

should

wiped

clean

during

installation

well

during

each

maintenance

inspection

easily

made

using

the

provided

terminal

bolts

After

con

nections

the

switch

have

been

made

the

switch

alignment

should

checked

listed

below

When

furnished

complete

housing

the

connections

directly

the

switch

been

made

the

factory

these

units

connections

are

made

using

the

provided

potheads

cable

terminal

connectors

etc

assure

that

the

electrical

connections

have

remained

tight

the

and

all

switches

ing

auxiliary

switches

they

should

checked

during

installation

and

during

each

maintenance

inspection

SWITCH

ALIGNMENT

After

the

switch

has

been

operated

several

times

with

the

maintenance

operating

handle

and

the

contact

justments

have

been

checked

the

operating

springs

should

unblocked

and

the

switch

operated

several

times

with

the

normal

operating

handle

assure

proper

closing

and

opening

with

the

springs

Prior

placing

the

switch

service

the

following

adjust

ments

and

alignment

checks

should

made

insure

proper

operation

Before

operating

the

100

switch

with

the

normal

spring

load

slow

closing

the

blades

should

made

check

alignment

The

power

springs

should

blocked

described

under

SPRING

BLOCK

ING

and

the

three

poles

the

switch

operated

slowly

the

maintenance

handle

assure

freedom

motion

and

check

alignment

slow

closing

operation

can

made

the

100

switch

with

the

norma

operating

handle

the

100

switch

check

the

control

voltage

the

motor

terminals

Refer

CONTROL

POWER

CHECK

the

switch

has

been

stored

for

long

period

time

recommended

that

the

insulation

checked

with

standard

hertz

high

potential

test

Refer

INSULA

TION

TEST

Check

the

following

items

listed

under

ADJUSTMENTS

before

the

switch

put

operation

and

during

each

period

maintenance

NOTE

the

switch

secondary

wiring

given

high

potential

test

1500

volts

remove

all

the

motor

leads

the

100

from

the

terminal

connection

Fail

ure

disconnect

the

motor

from

the

circuit

may

cause

damage

the

winding

insulation

(

)

Primary

contact

alignment

Arc

chute

alignment

Auxiliary

blade

release

Primary

contact

wipe

Primary

contact

gap

Upper

(

closed

)

mechanism

stops

(

)

(

)

(

)

final

inspection

before

energizing

should

made

accordance

with

FINAL

INSPECTION

(

)

(

DESCRIPTION

OPERATION

(

100

and

100

)

CLOSING

OPERATION

the

100

and

100

switches

both

the

closing

and

opening

operation

accomplished

the

spring

charged

mechanism

(

)

Fig

located

the

front

the

switch

assembly

The

operating

springs

are

manually

electrically

charged

but

are

completely

disengaged

from

the

operating

han

dle

they

begin

operate

the

switch

this

way

the

actual

operation

the

switch

independent

the

operator

Closing

the

100

switch

and

the

100

switch

set

for

manual

operation

accomplished

inserting

the

operating

handle

(

)

Fig

into

the

handle

socket

provided

the

operating

hub

(

)

Fig

the

enclosure

and

rotating

counterclockwise

direction

far

possible

(

approximately

180

degrees

)

When

operating

either

switch

manually

the

handle

should

rotated

with

positive

motion

throughout

its

entire

stroke

After

few

degrees

handle

rotation

the

mechanism

will

engage

the

primary

spring

(

)

Fig

located

the

right

side

Courtesy of NationalSwitchgear.com

GEI

88767

and

compress

fully

Continued

rotation

the

handle

will

push

the

spring

over

the

toggle

position

and

will

start

dis

charge

driving

lug

(

)

Fig

will

engage

the

drive

crank

(

)

which

directly

connected

the

main

crank

shaft

(

)

just

the

primary

spring

leaves

the

toggle

position

When

the

main

crank

shaft

has

rotated

few

degrees

the

fully

charged

booster

spring

(

)

Fig

located

the

left

side

will

pass

its

toggle

position

and

the

full

energy

both

springs

will

the

switch

with

sufficient

force

and

latch

against

the

fault

closing

current

rating

the

nameplate

;

WfmM

During

the

closing

operation

the

auxiliary

blade

will

held

out

the

chute

until

just

before

the

arcing

contacts

(

)

Fig

are

engaged

then

released

enter

the

chute

and

latch

into

the

arc

chute

contacts

(

)

Fig

This

sequence

operations

will

prevent

prestrike

the

interrupting

area

the

arc

chute

any

time

during

the

operation

until

the

primary

spring

reaches

its

toggle

position

the

handle

can

returned

its

starting

position

and

removed

The

mechanism

will

complete

reset

the

starting

position

The

100

switch

normally

electrically

operated

energizing

motor

(

)

Fig

internal

gear

driving

mecha

nism

will

charge

the

springs

and

operate

the

switch

the

same

manner

the

mechanical

handle

drive

Booster

Spring

Operating

Mechanism

Operating

Hub

Primary

Blade

Stop

Primary

Contact

Fingers

Primary

Contact

Blade

Primary

Spring

When

the

closing

switch

contacts

are

made

the

start

stop

relay

(

)

Fig

will

contacts

and

energize

the

motor

the

proper

direction

the

same

time

closing

seal

relay

(

)

assures

complete

operation

without

hesitation

and

makes

the

closing

the

100

switch

independent

the

opera

tor

During

the

closing

operation

auxiliary

switch

(

)

will

open

the

motor

circuit

and

arrange

series

contacts

for

opening

operation

will

also

energize

the

start

stop

relay

that

will

set

contacts

the

motor

circuit

shunting

the

field

coils

around

the

armature

thereby

effecting

dyna

mic

brake

Refer

wiring

diagram

Fig

(

8035016

)

100

Switch

Partially

Open

OPENING

OPERATION

open

the

100

switch

and

the

100

switch

set

for

manual

operation

the

operating

handle

inserted

into

the

handle

socket

and

rotated

clockwise

direction

far

possible

(

approximately

180

degrees

)

After

few

degrees

handle

rotation

the

mechanism

will

engage

the

primary

spring

(

)

Fig

and

compress

fully

Continued

handle

rotation

will

push

the

spring

over

the

toggle

position

and

will

start

discharge

driving

lug

(

)

Fig

will

engage

the

drive

crank

(

)

the

toggle

position

the

pri

mary

spring

and

will

turn

the

main

crank

shaft

(

)

When

the

Operating

Handle

Maintenance

Handle

Spring

Blocking

Fig

(

8035232

)

Operating

and

Maintenance

Handles

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GEI

88767

Spring

Stop

Bolt

Spring

Stop

Bolt

Spring

Stop

Driving

Crank

Hole

for

Spring

Blocking

Driving

Lug

Buffer

Rubber

Buffer

Stop

Operating

Rod

Operating

Rod

Crank

Operating

Hub

Main

Crank

Shaft

Maintenance

Handle

;

—

Fig

(

8037271

)

Spring

Drive

Mechanism

Interrupter

Assembly

Interrupter

Mounting

Bolts

Shims

Contact

Bolt

Primary

Contact

Fingers

Arcing

Contact

Fingers

Auxiliary

Blade

Buffer

Stop

Guide

Block

Interrupter

Mounting

Bolts

Primary

Contact

Blade

Auxiliary

Contact

Blade

Pivot

for

Auxiliary

Blade

Auxiliary

Blade

Release

Hook

Operating

Rod

Clevis

Hinge

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GEI

88767

Blade

Stop

Block

Arc

Chute

Contacts

Auxiliary

Blade

Spacer

Arc

Chute

Side

Primary

Contact

Blade

Auxiliary

Blade

Spring

Camming

Screw

Lock

Nut

Auxiliary

Blade

Release

Hook

Operating

Rod

•

Fig

(

8035037

)

Unit

Pole

Opening

fcm

)

;

•

f r

•

Relay

Open

Relay

Auxiliary

Switch

Motor

Start

Stop

Relay

Fig

(

8037272

)

Electrical

Operator

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GEI

88767

front

bolts

the

right

hand

barrier

have

access

the

bolts

main

crank

shaft

has

rotated

few

degrees

past

the

primary

spring

toggle

position

the

spring

will

discharge

opening

the

witch

and

charging

the

booster

spring

(

)

Fig

for

the

closing

operation

Rotate

the

stop

until

vertical

replace

the

bolt

that

had

been

removed

the

lower

location

(

)

and

tighten

The

primary

blade

(

)

Fig

travel

will

cause

the

primary

contacts

(

)

part

first

and

the

arcing

contacts

(

)

few

grees

later

The

spring

loaded

auxiliary

blade

(

)

Fig

will

remain

latched

the

contacts

(

)

inside

the

arc

chute

predetermined

position

the

primary

blades

the

auxiliary

blade

will

released

and

will

snap

open

high

velocity

The

100

mechanism

must

put

into

the

manual

operation

condition

before

operating

with

the

manual

handle

Disengage

the

electrical

operator

sliding

the

yellow

pawl

block

toward

the

center

hub

using

screw

driver

other

small

tool

See

Fig

When

the

switch

open

the

pawl

will

appear

the

right

hole

the

switch

closed

the

pawl

will

appear

the

left

hole

the

arc

chute

contacts

part

arc

established

between

the

auxiliary

blade

tip

(

)

Fig

and

the

finger

contacts

(

)

The

hot

arc

releases

gases

from

the

plastic

arc

chute

material

dispersing

the

arc

over

large

area

the

chute

sides

The

rapidly

cooled

arc

extinguished

the

chute

and

the

aux

iliary

blade

will

continue

travel

until

sufficient

air

gap

achieved

withstand

BIL

voltages

Using

the

normal

operating

handle

rotate

counter

clockwise

direction

(

direction

)

until

the

spring

yoke

the

right

contacts

the

stop

Remove

operating

handle

and

insert

maintenance

handle

(

)

Fig

main

square

shaft

and

screw

the

blocking

pins

(

)

the

left

and

right

spring

guide

(

)

Fig

The

springs

are

now

safely

blocked

and

the

maintenance

handle

will

open

and

the

switch

for

adjusting

pur

poses

The

100

switch

when

opened

electrically

the

motor

drive

will

have

the

same

sequence

operations

when

the

manual

handle

used

The

electrical

sequence

the

same

described

the

closing

operation

except

seal

relay

(

)

Fig

used

UPPER

(

CLOSED

)

MECHANISM

STOP

ADJUSTMENTS

The

upper

buffer

stops

(

)

Fig

located

either

side

the

mechanism

the

ends

the

main

crank

shaft

must

adjusted

position

the

operating

rod

cranks

when

the

switch

closed

Operate

the

switch

the

fully

closed

position

(

100

and

100

)

All

adjustments

should

checked

during

periodic

inspec

tions

and

whenever

becomes

necessary

repair

replace

parts

that

have

become

worn

defective

while

service

The

operating

rod

must

over

toggle

approximately

inch

the

crank

connection

when

the

switch

closed

simple

means

measuring

the

correct

toggle

angle

place

straight

edge

along

the

upper

side

the

operating

rod

and

extend

until

over

the

square

main

shaft

(

)

Fig

The

dimension

from

the

straight

edge

the

closest

comer

the

square

shaft

should

inch

NOTE

BEFORE

ATTEMPTING

WORK

EITHER

THE

SWITCH

MECHANISM

MAKE

CERTAIN

THAT

THE

SWITCH

HAS

BEEN

DISCONNECTED

FROM

ALL

PRIMARY

VOLTAGE

POWER

SOURCES

ALSO

THE

OPERATING

SPRINGS

SHOULD

BLOCKED

PRE

VENT

ACCIDENTAL

CLOSING

OPENING

adjustment

the

stop

necessary

remove

the

cotter

holding

the

stop

(

)

Fig

and

move

washers

and

metal

shims

from

the

front

the

rear

(

the

reverse

)

until

the

pro

per

toggle

angle

obtained

Adjust

the

stops

both

ends

the

main

shaft

the

same

amount

keep

them

balanced

SPRING

BLOCKING

For

most

the

adjustments

will

necessary

operate

the

switch

slowly

with

the

maintenance

handle

this

the

power

springs

must

blocked

using

the

following

procedure

Refer

Fig

PRIMARY

WIPE

The

operating

rod

must

fully

the

switch

primary

blades

obtain

the

correct

primary

finger

wipe

Make

certain

that

the

switch

the

open

position

With

the

switch

the

closed

position

pull

the

top

the

primary

blades

the

front

with

your

hands

remove

all

linkage

allowance

There

should

inch

Remove

the

rear

bolt

from

position

(

)

the

spring

stop

(

)

located

the

upper

right

angle

frame

1200

ampere

switches

may

necessary

loosen

the

Courtesy of NationalSwitchgear.com

GEI

88767

Collar

Buffer

Rubber

Upper

Buffer

Stop

Booster

Crank

Buffer

Rubber

Lower

Buffer

Stop

Adjusting

Nut

Auxiliary

Blade

Spring

Auxiliary

Blade

Release

Hook

Release

Hook

Spring

Operating

Rod

Operating

Rod

Crank

Main

Crank

Shaft

Spring

Stop

Camming

Screw

Lock

Nut

Fig

(

8035014

)

Buffer

Assembly

Fig

(

8035015

)

Switch

Blade

Adjustments

inch

clearance

between

the

buffer

(

)

Fig

and

the

pri

mary

blade

buffer

stop

(

)

Fig

There

should

also

inch

between

the

edge

the

primary

blade

and

the

front

the

primary

contact

support

dimension

not

correct

the

lower

buffer

stop

(

)

Fig

should

adjusted

similar

manner

the

adjustment

the

upper

stop

Move

shims

and

washers

from

the

top

the

bottom

the

stop

(

the

reverse

)

required

Adjust

the

stops

both

ends

the

main

shaft

the

same

amount

keep

them

balanced

Adjust

the

length

the

rod

use

the

adjusting

nuts

(

)

Fig

obtain

the

inch

gap

then

adjust

the

buffer

(

)

Fig

adding

removing

shims

get

the

inch

clearance

PRIMARY

AND

ARCING

CONTACT

ALIGNMENT

the

primary

blades

(

)

Fig

slowly

the

use

the

maintenance

handle

and

note

the

engagement

the

pri

mary

contacts

(

)

arcing

contacts

(

and

)

and

guide

block

(

)

The

blades

should

center

around

the

guide

block

with

some

clearance

either

side

They

should

also

centered

the

primary

and

arcing

contact

fingers

PRIMARY

GAP

The

primary

gap

should

measured

with

the

primary

blades

the

normal

position

measurement

should

made

from

the

buffer

stop

spacer

(

)

Fig

the

primary

finger

(

)

The

same

primary

finger

the

bottom

finger

should

used

both

600

ampere

and

1200

ampere

switches

The

mension

should

inches

plus

minus

inch

this

the

blades

press

hard

against

the

sides

the

guide

block

loosen

the

two

bolts

(

)

Fig

holding

the

Mock

Again

Courtesy of NationalSwitchgear.com

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