GE SAM201 Manuale utente

GEK

90666

INSTRUCTIONS

Static

Timing

Relays

SAM

201

SAM

202

SAM

203

SAM

204

SAM

205

SAM

206

SAM

207

Static

RANGE

SECONDS

MULTIPLIER

Timing

Relay

TWIG

MTtHQS

ijffl

Static

Timing

Relay

RATINGS

250

VOC

RANGE

MULTIPLIER

010

MODEL

SAM

CALA

SECONDS

INSTRUCTION

BOOK

CEIW

PARTS

BULLETIN

GEM

065

METER

AND

CONTROL

Protection

and

Control

205

Great

Valley

Parkway

Malvern

19355

1337

Courtesy of NationalSwitchgear.com

GEK

90666

CONTENTS

Page

Description

Application

Specifications

control

voltage

Settings

Accuracy

Overshoot

Ride

Thru

Time

Environmental

Ratings

Burden

Contacts

Target

Settings

Displays

Functional

Description

Construction

Receiving

Handling

and

Storage

Acceptance

Tests

General

Visual

Test

Equipment

General

Testing

Consideration

Tests

Timing

test

Target

test

Procedure

Surge

ground

Electrical

tests

Settings

Periodic

checks

and

routine

maintenance

Servicing

Renewal

parts

Trouble

shooting

Timer

Board

Functional

Description

Problems

and

Solutions

List

Figures

Installation

Cover

photos

(

8043819

820

)

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

problems

arise

which

are

not

covered

sufficiently

for

the

purchaser

’

purposes

the

matter

should

referred

the

General

Electric

Company

the

extent

required

the

products

described

herein

meet

applicable

ANSI

IEEE

and

NEMA

standards

but

such

assurance

given

with

respect

local

codes

and

ordinances

because

they

vary

greatly

Courtesy of NationalSwitchgear.com

GEK

90666

STATIC

TIMING

RELAYS

TYPE

SAM

201

202

203

204

205

206

207

DESCRIPTION

The

SAM

200

relays

provide

accurate

and

repeatable

timing

functions

that

produce

contact

closure

after

selected

time

delay

has

expired

The

time

delay

settings

are

made

using

toggle

switches

mounted

the

front

plate

the

relay

explained

the

SETTINGS

section

The

total

time

delay

consists

the

set

time

delay

added

tne

operating

time

the

output

relay

typically

millisecon

significant

the

low

end

the

time

aelay

setting

range

iperating

time

the

output

relay

The

shown

Figure

will

only

Table

summarizes

the

models

available

Table

Timing

Trip

Functions

Targets

Case

Model

Size

201

NONE

202

203

NONE

204

205

NONE

206

207

External

connection

diagrams

for

the

above

models

are

shown

Figures

through

APPLICATION

The

SAM

200

relays

are

applied

wherever

accurate

and

repeatable

timing

functions

are

required

The

basic

timing

function

the

same

for

all

models

the

SAM

200

family

but

each

model

different

based

the

number

timing

functions

present

the

presence

absence

targets

and

the

contact

arrangement

This

differentiation

makes

certain

models

suited

for

specific

applications

Table

the

page

lists

the

models

and

their

recommended

applications

Courtesy of NationalSwitchgear.com

GEK

90666

TABLE

SAM

201

General

purpose

General

purpose

zone

step

distance

schemes

for

line

protection

using

zone

packaged

distance

relays

SAM

202

SAM

203

General

purpose

zone

step

distance

schemes

for

line

protection

SAM

204

zone

step

distance

schemes

for

line

protection

using

zone

packaged

distance

relays

SAM

205

zone

step

distance

schemes

for

line

protection

using

phase

packaged

distance

relays

zone

step

distance

schemes

for

line

protection

using

phase

packaged

distance

relays

SAM

206

SAM

207

General

purpose

The

application

category

general

purpose

Table

includes

use

the

appropriate

SAM

200

relay

for

the

timing

function

associated

with

local

breaker

failure

backup

schemes

The

term

phase

packaged

refers

component

distance

relays

where

the

measuring

units

for

all

required

zones

associated

with

one

phase

pair

are

included

one

relay

case

example

phase

packaged

distance

relay

the

GCY

The

term

zone

packaged

refers

component

distance

relays

where

the

measuring

units

for

all

phases

phase

pairs

associated

with

one

zone

are

included

one

relay

case

example

zone

packaged

distance

relay

the

CEY

gure

shows

the

SAM

202

relay

used

breaker

failure

scheme

Figure

shows

SAM

202

used

zone

step

distance

scheme

with

CEY

and

CEB

distance

relays

Figure

shows

SAM

204

used

zone

step

distance

scheme

with

CEY

and

CEB

distance

relays

Figure

shows

SAM

206

used

zone

step

distance

scheme

with

GCY

distance

relays

Courtesy of NationalSwitchgear.com

GEK

90666

SPECIFICATIONS

Control

Voltage

Nominal

110

125

220

250

Minimum

Volts

Maximum

280

Volts

Settings

Timin

ange

Multiplier

0.01

Recommended

Timing

Range

0.03

0.99

seconds

0.01

second

steps

Repeatability

1.5

Range

Multiplier

0.1

Recommended

Timing

Range

Repeatability

0.75

Range

Multiplier

1.0

Recommended

Timing

Range

Repeatability

0.25

0.10

9.90

seconds

0.10

second

steps

1.0

99.0

seconds

1.00

second

steps

Accuracy

msec

selected

setting

whichever

greater

Overshoot

(

Overtravel

)

msec

(

Relative

the

actual

measured

time

)

Ride

Thru

Time

Ride

Thru

time

defined

the

ability

the

SAM

Relay

operate

properly

when

energized

initiating

pulse

250

xsec

followed

off

time

msec

after

which

continuous

signal

applied

until

the

relay

operates

msec

Reset

Time

When

the

relay

timing

out

but

not

picked

the

reset

time

mSec

When

the

relay

has

timed

out

and

picked

the

reset

time

mSec

Environmental

Operating

relative

humidity

(

noncondensing

)

Storage

relative

humidity

(

noncondensing

)

Surge

ANSI

37.90

(

SWC

and

Fast

Transient

)

GERFI

IEC

255

Courtesy of NationalSwitchgear.com

GEK

90666

RATINGS

Burden

Table

III

Power

ipply

WATTS

urden

Model

125

250

201

202

205

1.1

3.0

6.3

203

2.3

6.3

13.5

204

206

1.8

4.7

9.8

207

2.4

6.5

13.9

Contact

ratings

Make

and

carry

amps

for

second

Trip

rated

per

ANSI

37.90

Break

resistive

inductive

(

msec

)

125

250

VDC

Target

ratings

The

operate

level

target

unit

150

with

less

than

2.0

volt

drop

amps

Amps

for

sec

Amps

continuous

both

with

diode

bridge

SETTINGS

The

following

settings

which

must

set

each

application

are

made

from

the

front

the

relay

without

the

need

for

pulling

boards

removing

the

nameplate

only

necessary

remove

the

front

cover

from

the

relay

Seconds

eight

position

toggle

switch

(

)

conjunction

with

the

Range

Multiplier

switch

used

select

the

desired

output

delay

setting

The

setting

equal

the

sum

tne

switch

segments

that

are

set

the

position

Refer

the

Specification

section

under

Settings

for

the

recommended

timing

ranges

Note

default

setting

will

selected

all

the

switch

segments

are

set

the

DOWN

position

Range

Multiplier

three

position

slide

switch

conjunction

with

the

Seconds

toggle

switches

used

select

the

desired

multiplication

factor

Positioning

the

switch

its

extreme

left

position

the

multiplication

factor

0.01

selected

With

the

switch

positioned

its

mid

position

the

0.1

multiplication

factor

selected

Finally

the

multiplication

factor

1.0

selected

when

the

switch

its

extreme

right

position

Courtesy of NationalSwitchgear.com

GEK

90666

DISPLAYS

Trip

Targets

The

trip

indicators

are

electro

mechanical

devices

and

depending

the

relay

model

they

They

will

operate

when

the

current

flowing

through

their

coils

over

150

When

activated

they

will

indicate

red

block

through

windows

located

the

relay

nameplate

The

targets

are

reset

pushing

the

reset

rod

which

located

the

bottom

left

hand

corner

the

front

cover

Table

list

the

relay

models

that

shows

which

are

equipped

with

targets

and

identifies

the

targets

that

are

provided

those

models

are

labeled

FUNCTIONAL

DESCRIPTION

The

SAM

relay

provides

the

following

basic

functions

regulation

timing

output

and

display

generic

block

diagram

for

the

SAM

relays

found

Figure

and

the

internal

connection

diagrams

for

each

the

models

can

found

Figures

thru

Regulation

The

input

power

regulated

series

pass

Darlington

transistor

pair

that

provides

the

and

VDC

supplies

that

are

required

the

various

circuits

the

timer

board

Timing

The

timing

circuits

are

driven

oscillator

circuit

that

tuned

kHz

The

oscillator

circuit

clocks

binary

counters

whose

outputs

become

the

clock

signals

for

BCD

counters

the

end

the

desired

timing

interval

the

BCD

counters

provide

the

input

signal

for

the

output

driver

circuits

through

the

Flip

Flop

and

Multivibrator

circuits

Output

Each

driver

circuit

capable

energizing

one

output

relay

The

coil

the

output

relay

connected

series

with

the

power

source

and

tne

collector

the

drive

transistor

The

output

relay

contacts

consist

normally

open

(

)

contacts

and

some

models

normally

closed

(

)

contacts

These

contacts

will

change

state

when

the

output

relay

energized

The

operating

time

the

output

relay

which

must

considered

when

selecting

the

desired

setting

the

SAM

relay

will

vary

depending

the

voltage

that

applied

the

relay

Figure

shows

typical

operating

time

tne

output

relay

with

respect

the

applied

voltage

Display

Some

the

SAM

models

provide

targets

that

are

connected

series

with

the

normally

open

contacts

the

output

relay

The

targets

will

energized

when

trip

current

flows

through

their

coils

Courtesy of NationalSwitchgear.com

GEK

90666

CONSTRUCTION

The

components

the

relay

are

mounted

cradle

assembly

that

can

easily

removed

from

the

relay

case

refer

Figures

thru

The

cradle

locked

the

case

latches

the

top

and

bottom

The

electrical

connections

between

the

case

blocks

and

the

cradle

blocks

are

completed

through

removable

connection

plug

(

)

shown

Figure

permit

testing

the

relay

its

case

The

cover

attached

the

front

the

case

and

includes

two

interlocking

arms

that

prevent

the

cover

from

being

replaced

until

the

connection

plug

(

)

has

been

inserted

The

case

suitable

for

semi

flush

mounting

panels

Hardware

available

for

all

panel

thicknesses

two

inches

panel

thickness

inch

will

assumed

unless

otherwise

specified

the

order

Outline

and

panel

drilling

dimensions

for

the

SAM

201

through

SAM

206

are

shown

Figure

and

for

the

SAM

207

they

are

shown

Figure

The

printed

circuit

board

(

)

are

mounted

behind

the

nameplate

and

can

accessed

removing

the

four

screws

securing

the

nameplate

The

boards

are

mounted

horizontally

guides

Each

board

labeled

correspond

given

location

Use

part

number

0286

2847

card

puller

other

suitable

means

remove

the

circuit

boards

you

not

have

card

puller

careful

not

damage

bend

any

components

when

removing

the

boards

card

puller

can

obtained

contacting

the

factory

The

output

relays

are

mounted

sockets

board

fixed

the

back

the

cradle

relay

requires

replacement

unclip

the

retaining

wire

and

pull

the

relay

out

the

socket

The

target

assembly

when

provided

mounted

the

bottom

plate

the

relay

cradle

RECEIVING

HANDLING

and

STORAGE

These

relays

when

not

included

part

control

panel

will

shipped

cartons

designed

protect

them

against

damage

Immediately

upon

receipt

relay

examine

for

any

damage

sustained

transit

damage

resulting

from

handling

evident

file

damage

claim

once

with

the

transportation

company

and

promptly

notify

the

nearest

General

Electric

Sales

Office

the

relays

are

not

installed

immediately

they

should

stored

their

original

cartons

place

that

free

from

moisture

dust

and

metallic

chips

ACCEPTANCE

TESTS

General

The

relay

should

examined

and

tested

upon

delivery

make

sure

that

damage

has

been

sustained

shipment

and

that

the

relay

functioning

correctly

Visual

Remove

the

relay

from

its

case

and

check

for

signs

physical

damage

such

broken

cracked

parts

Courtesy of NationalSwitchgear.com

GEK

90666

CAUTION

Every

circuit

the

drawout

case

has

auxiliary

brush

especially

important

circuits

with

shorting

bars

that

the

auxiliary

brush

bent

high

enough

engage

the

connecting

plug

test

plug

before

the

main

brushes

This

will

prevent

the

secondary

circuits

from

being

open

circuited

during

insertion

the

connection

plug

drawout

case

relay

may

tested

without

removing

from

the

panel

using

XLA

test

plug

This

plug

makes

connection

the

relay

only

and

does

not

disturb

any

shorting

bars

the

case

The

XLA

test

plug

may

also

used

Although

this

plug

allows

greater

flexibility

requires

shorting

jumpers

since

connections

are

made

both

the

relay

and

the

external

circuits

Test

Equipment

voltage

source

rated

with

less

than

ripple

Universal

Counter

with

two

independent

channels

Limiting

resistors

for

timing

and

target

tests

300

SPST

switch

for

applying

and

removing

power

the

relay

Snubber

circuit

minimize

noise

due

the

closure

the

source

switch

Resistor

220

and

capacitor

3.3

Mfd

450

VDC

Note

Observe

the

polarity

markings

electrolytic

capacitor

used

the

test

circuit

General

Testing

Considerations

CAUTION

the

event

that

the

relay

tested

with

high

voltage

280

VDC

and

temperature

environment

greater

than

care

must

taken

that

the

relay

not

left

energized

for

period

exceeding

five

times

its

maximum

time

setting

Failure

observe

this

caution

will

damage

the

relay

The

relay

can

tested

using

one

two

simple

tests

These

tests

are

the

Timing

test

and

for

those

models

that

are

equipped

with

targets

the

Target

test

The

timing

test

procedures

are

similar

for

all

relay

models

;

the

target

test

procedures

are

similar

for

all

relay

models

that

include

targets

All

tests

should

made

with

the

relay

its

case

and

reasonably

level

position

Tests

For

the

following

tests

refer

Figures

thru

for

test

connections

and

Figure

and

for

front

views

several

relay

models

Courtesy of NationalSwitchgear.com

GEK

90666

Timing

Test

Connect

the

SAM

relay

tested

per

the

appropriate

timing

test

connections

diagram

Figures

thru

Set

the

SECONDS

switch

segment

labeled

the

position

All

other

switch

segments

must

set

the

DOWN

position

Set

the

RANGE

MULTIPLIER

switch

1.0

Set

the

Power

supply

volts

Apply

the

VDC

the

relay

closing

switch

Note

order

for

the

timing

circuits

function

correctly

the

voltage

must

suddenly

applied

the

relay

Check

that

the

output

relay

has

picked

between

1.94

and

2.06

seconds

indicated

the

universal

counter

(

)

Target

Test

Connect

the

SAM

relay

tested

per

the

appropriate

target

test

connections

diagram

Figures

thru

Set

all

the

SECONDS

switch

segments

the

DOWN

position

Set

the

RANGE

MULTIPLIER

switch

1.0

Set

the

Power

supply

volts

Apply

the

VDC

the

relay

closing

switch

Check

that

the

correct

target

has

picked

End

Acceptance

Testing

INSTALLATION

PROCEDURE

The

relay

should

installed

clean

dry

location

free

from

dust

and

excessive

vibration

should

mounted

vertical

surface

The

outline

and

panel

drilling

dimensions

are

shown

Figures

and

Surge

ground

The

case

stud

should

permanently

connected

ground

conductor

not

less

than

AWG

copper

wire

equivalent

This

connection

made

ground

the

relay

case

and

the

surge

suppression

networks

the

relay

The

surge

ground

lead

should

short

possible

preferably

inches

less

provide

maximum

protection

from

surges

Figures

and

show

the

rear

view

and

case

respectively

illustrating

the

position

the

case

grounding

stud

Courtesy of NationalSwitchgear.com

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