Basler BE1-59N Manuale utente

INSTRUCTION

MANUAL

FOR

GROUND

FAULT

OVERVOLTAGE

RELAY

MODEL

Eteefrie

•

Mfchfaw

Knots

TAtr

trf

tmt

HCKUI

•

OVERVOLTAGE

ptcnvr

TIMS

HAL

IMMIAIT

•

UNDERVOLTAGE

QWC

Basler

Electric

Highland

Illinois

Publication

1714

990

Revision

Courtesy of NationalSwitchgear.com

INTRODUCTION

The

purpose

this

instruction

Manual

furnish

information

concerning

the

operation

and

installation

this

device

accomplish

this

the

following

provided

Specifications

Functional

characteristics

Operational

Tests

Mounting

Information

WAR

NiNG

avoid

personal

injury

equipment

damage

only

qualified

personnel

should

perform

the

procedures

presented

this

manual

REV

ECA

9248

10222

11591

13079

Courtesy of NationalSwitchgear.com

First

Printing

November

1986

Printed

USA

January

1993

CONFIDENTIAL

INFORMATION

BASLER

ELECTRIC

COMPANY

HIGHLAND

LOANED

FOR

CONFIDENTIAL

USE

SUBJECT

RETURN

REQUEST

AND

WITH

THE

MUTUAL

UNDERSTANDING

THAT

WILL

NOT

USED

ANY

MANNER

DETRIMENTAL

THE

INTEREST

BASLER

ELECTRIC

COMPANY

not

the

intention

this

manual

cover

all

details

and

variations

equipment

nor

does

this

manual

provide

data

for

every

possible

contingency

regarding

installation

operation

The

availability

and

design

all

features

and

options

are

subject

modification

without

notice

Should

further

information

required

contact

Basler

Electric

Company

Highland

Illinois

BASLER

ELECTRIC

BOX

269

HIGHLAND

62249

USA

PHONE

618

654

2341

FAX

618

654

2351

•

Courtesy of NationalSwitchgear.com

CONTENTS

GENERAL

INFORMATION

Section

Description

High

Resistance

Grounding

Ungrounded

Systems

Model

and

Style

Number

Sample

Style

Number

Style

Number

Identification

Chart

Specifications

Inverse

Time

Curves

CONTROLS

AND

INDICATORS

Section

FUNCTIONAL

DESCRIPTION

Section

General

Inputs

Filters

Overvoltage

Comparator

Definite

Time

Delay

(

Optional

)

Inverse

Time

Delay

(

Optional

)

Reference

voltage

Circuit

Undervoltage

element

(

Optional

)

Undervoltage

Operation

Undervoltage

Inhibit

Power

Supply

Power

Supply

Status

Contacts

Target

Indicator

Circuits

Internally

Operated

Targets

Current

Operated

INSTALLATION

Section

General

Relay

Operating

Precautions

Mounting

Connections

Operational

Test

Section

MAINTENANCE

General

House

Repair

Storage

Test

Plug

MANUAL

CHANGE

INFORMATION

Section

•

••

III

Courtesy of NationalSwitchgear.com

SECTION

GENERAL

INFORMATION

DESCRIPTION

The

available

fault

current

for

single

phase

ground

faults

very

limited

for

ungrounded

systems

and

systems

which

are

grounded

through

high

resistance

This

current

limiting

reduces

the

possibility

extensive

equipment

damage

and

eliminates

the

need

for

neutral

breaker

reducing

the

fault

current

below

the

level

required

sustain

arc

But

remains

important

detect

and

isolate

single

phase

ground

faults

order

prevent

their

evolution

into

dangerous

faults

such

phase

ground

and

three

phase

ground

faults

Sensitive

voltage

relays

can

used

detect

ground

faults

where

the

fault

current

very

small

The

Ground

Fault

Overvoltage

Relay

especially

suited

this

task

HIGH

RESISTANCE

GROUNDING

common

method

grounding

generator

connect

distribution

transformer

between

the

neutral

the

generator

and

the

station

ground

The

distribution

transformer

’

primary

voltage

rating

equal

greater

than

the

generator

’

rated

line

neutral

voltage

The

distribution

transformer

secondary

rated

200

240

Vac

100

120

Vac

and

resistor

connected

across

the

secondary

winding

When

reflected

through

the

transformer

the

resistor

effectively

high

resistance

where

the

effective

primary

resistance

the

actual

value

the

secondary

resistor

the

turns

ratio

the

distribution

transformer

Available

single

phase

ground

fault

current

the

generator

terminals

greatly

reduced

the

high

effective

resistance

the

distribution

transformer

and

secondary

resistor

The

distribution

transformer

provides

isolation

for

the

protection

scheme

and

reduces

the

voltage

convenient

level

The

Ground

Fault

Overvoltage

Relay

connected

across

the

secondary

resistor

detect

the

increase

voltage

across

the

distribution

transformer

caused

ground

fault

the

generator

stator

windings

ground

fault

the

generator

terminals

will

result

rated

line

neutral

voltage

across

the

transformer

primary

while

ground

faults

near

the

neutral

will

result

lower

voltages

The

overvoltage

relay

setpoint

must

higher

than

any

neutral

voltage

caused

normal

unbalances

order

avoid

nuisance

trips

This

will

allow

certain

percentage

the

stator

windings

unprotected

the

overvoltage

relay

The

overvoltage

relay

function

typically

protects

the

generator

stator

windings

The

Ground

Fault

Overvoltage

Relay

monitors

the

fundamental

frequency

(

)

voltage

which

accompanies

ground

fault

but

insensitive

the

third

harmonic

voltage

present

during

normal

operation

One

hundred

percent

protection

the

generator

stator

windings

obtainable

with

the

optional

overlapping

undervoltage

element

The

under

voltage

element

tuned

the

third

harmonic

voltage

which

present

the

generator

neutral

under

normal

conditions

The

undervoltage

element

detects

the

reduction

the

normal

third

harmonic

voltage

which

accompanies

ground

fault

near

the

neutral

point

the

generator

undervoltage

inhibit

feature

included

with

the

third

harmonic

undervoltage

element

This

feature

supervises

the

operation

the

ground

fault

relay

prevent

operation

during

startup

and

shutdown

monitoring

the

generator

terminal

voltage

UNGROUNDED

SYSTEMS

The

Ground

Fault

Overvoltage

Relay

used

detect

ground

faults

ungrounded

three

phase

three

wire

systems

The

relay

connected

shown

Figure

set

voltage

transformers

are

wired

Courtesy of NationalSwitchgear.com

General

Information

with

grounded

wye

primary

and

broken

delta

secondary

The

BEI

connected

across

the

broken

delta

often

necessary

connect

resistor

across

the

broken

delta

avoid

ferroresonance

Grounded

wye

broken

delta

voltage

transformers

act

zero

sequence

filters

summing

the

three

phase

voltages

Under

normal

conditions

this

sum

zero

When

ground

fault

occurs

the

Ground

Fault

Overvoltage

Relay

will

detect

the

presence

the

secondary

zero

sequence

voltage

(

)

The

Ground

Fault

Overvoltage

Relay

greatly

reduces

the

risk

equipment

damage

detecting

and

isolating

the

first

ground

ungrounded

system

LOAD

SOURCE

JUJ

Figure

Ungrounded

Phase

Wire

System

MODEL

AND

STYLE

NUMBER

Electrical

characteristics

and

operational

features

included

specific

relay

are

defined

combination

letters

and

numbers

which

makes

the

device

style

number

The

model

number

designates

the

device

Basler

Electric

Class

100

Ground

Fault

Overvoltage

protective

relay

The

style

number

together

with

the

model

number

describe

the

features

and

options

particular

device

and

appear

the

front

panel

drawout

cradle

and

inside

the

case

assembly

Sample

Style

Number

Figure

the

style

number

identification

chart

illustrates

the

features

relay

sample

style

number

the

style

number

were

the

relay

would

have

the

following

features

Model

Number

Single

phase

voltage

sensing

input

120

Vac

hertz

sensing

input

(

nominal

)

with

Vac

pickup

range

Two

normally

open

output

relays

(

one

overvoltage

and

one

undervoltage

)

Inverse

time

delay

for

overvoltage

and

definite

time

delay

for

undervoltage

Operating

power

derived

from

either

125

Vdc

100

120

Vac

Two

current

operated

targets

(

one

per

function

)

Undervoltage

element

range

0.1

2.5

Vac

(

low

range

with

sensing

input

)

Push

energize

outputs

Two

auxiliary

output

relays

normally

open

(

one

per

function

)

Semi

flush

mounting

Courtesy of NationalSwitchgear.com

son

MOO

POWER

SUPPLY

SENSING

INPUT

TYPE

OPTION

OUTPUT

OPTION

TIMING

)

125

Vdc

and

100

120

Vac

)

Vdc

)

Vdc

)

Selectable

125

Vdc

)

250

Vdc

and

230

Vac

)

Single

phase

voltage

)

One

relay

over

)

Over

—

Instantaneous

)

None

)

Undervoltage

element

—

high

range

0.5

Vac

)

None

)

One

auxiliary

output

—

over

)

One

auxiliary

output

—

over

)

Two

auxiliary

oulpuU

one

under

)

Two

auxiliary

outputs

—

one

under

)

Over

InverBe

)

Over

definite

(

0.1

99.9

sec

)

Over

Instantaneous

)

Over

Instantaneous

under

—

Inverse

)

Over

definite

(

0.1

99.9

sec

)

under

—

Instantaneous

)

Over

definite

(

0.1

99.9

sec

)

under

—

Inverse

)

Two

relays

one

over

one

under

)

One

relay

over

1.0

Vac

under

—

definite

0.1

—

99.9

sec

)

SENSING

INPUT

RANGE

)

Undervoltage

element

low

ran

0.1

one

over

)

Two

relays

one

over

one

under

—

2.5

Voc

)

100

Vac

nominal

—

Vac

pickup

)

100

Vac

nominal

—

Vac

pickup

)

200

Vac

nominal

—

Vac

pickup

)

200

Vac

nominal

—

100

Voc

pickup

)

120

Vac

nominal

Vac

pickup

)

120

Vac

nominal

Vac

pickup

)

240

Vac

nominal

Vac

pickup

)

240

Vac

nominal

—

100

Vac

pickup

one

over

0.2

5.0

Vac

(

TARGET

OPTION

)

Over

Inverse

der

Instan

tan

eous

OPTION

)

None

)

Internally

operated

)

Current

operated

’

)

Semi

flush

mounting

)

Projection

mounting

)

Over

Inverse

under

deflnlte

(

0.1

99.9

sec

)

Over

—

definite

under

deflnlte

)

None

)

Push

energtze

outputs

NOTES

;

)

All

relays

are

supplied

case

Senelng

Input

range

Sensing

Input

When

target

output

must

Requires

option

004

range

Courtesy of NationalSwitchgear.com

General

Information

SPECIFICATIONS

The

Ground

Fault

Overvoltage

Relay

has

the

following

features

and

capabilities

Maximum

continuous

rating

360

Vac

for

100

120

Vac

input

480

Vac

for

200

240

Vac

input

with

maximum

burden

for

each

input

Voltage

Sensing

inputs

High

range

0.5

Vac

(

sensing

input

range

)

1.0

Vac

(

Sensing

input

range

)

Low

range

0.1

2.5

Vac

(

sensing

input

range

)

0.2

5.0

Vac

(

Sensing

input

range

)

Undervoltage

Sensing

Input

Range

120

Vac

(

sensing

input

range

)

2.0

100

millivolts

whichever

greater

Pickup

Accuracy

240

Vac

(

sensing

input

range

)

2.0

200

millivolts

whichever

greater

pickup

within

cycles

Dropout

Timing

Characteristics

Less

than

milliseconds

for

voltage

level

that

exceeds

the

pickup

setting

volt

(

whichever

greater

)

Instantaneous

(

intentional

delay

)

Adjustable

from

00.1

99.9

seconds

steps

0.1

seconds

Accuracy

within

2.0

100

milliseconds

whichever

greater

(

setting

00.0

provides

instantaneous

timing

)

Definite

Response

time

decreases

the

difference

between

the

monitored

voltage

and

the

setpoint

increases

The

inverse

time

characteristics

switch

adjustable

from

increments

Each

position

corresponds

specific

curve

except

which

instantaneous

Inverse

Accuracy

within

25.0

milliseconds

(

whichever

greater

)

the

indicated

time

for

any

combination

the

time

dial

and

within

the

voltage

magnitude

100

millivolts

(

for

the

120

Vac

sensing

range

)

200

millivolts

(

for

the

240

Vac

sensing

range

)

(

whichever

greater

)

from

the

actual

pickup

value

Inverse

time

repeatable

within

25.0

milliseconds

(

whichever

greater

)

for

any

time

dial

pickup

setting

The

characteristic

curves

are

defined

Figure

Output

contacts

are

rated

follows

Output

Contacts

Resistive

120

240

Vac

Make

for

0.2

seconds

carry

continuously

and

break

Make

and

carry

for

0.2

seconds

carry

continuously

and

break

0.1

250

Vdc

500

Vdc

Make

and

carry

for

0.2

seconds

carry

continuously

and

break

0.1

Courtesy of NationalSwitchgear.com

General

Information

Output

Contacts

Continued

Inductive

120

240

Vac

Make

and

carry

for

0.2

seconds

carry

125

250

Vdc

continuously

and

break

0.1

(

0.04

)

Function

targets

may

specified

either

internally

operated

current

operated

minimum

0.2

through

the

output

trip

circuit

When

cur

rent

operated

the

output

circuit

must

limited

for

0.2

seconds

for

minutes

and

continuously

Target

Indicators

Input

power

may

obtained

from

variety

external

power

sources

Available

power

supply

options

are

indicated

Table

Power

Supply

Table

Power

Supply

Specifications

Nominal

Input

Voltage

Input

Voltage

Range

Burden

Type

Nominal

Vdc

7.0

125

Vdc

120

Vac

150

Vdc

132

Vac

7.5

15.0

Vdc

7.5

VdC

150

Vdc

125

Vdc

7.0

7.5

140

280

Vdc

190

270

Vac

12.0

33.5

250

Vdc

230

Vac

NOTES

Type

Power

Supply

may

require

Vdc

begin

operation

Once

operating

the

voltage

may

reduced

Vdc

Type

Power

Supply

field

selectable

for

125

Vdc

Selection

must

implemented

time

installation

This

Power

Supply

option

factory

set

for

125

Vdc

1500

Vac

hertz

for

one

minute

accordance

with

255

and

ANSI

IEEE

37.90

1989

(

Dielectric

Test

)

Isolation

Field

Tested

using

five

watt

hand

held

transceiver

operating

random

frequencies

centered

around

144

MHz

and

440

MHz

with

the

antenna

located

six

inches

from

the

relay

both

horizontal

and

vertical

planes

Radio

Frequency

Interference

(

RFI

)

Surge

Withstand

Capability

Qualified

ANSI

IEEE

37.90

1989

Standard

Surge

Withstand

Capability

(

SWC

)

Tests

for

Protective

Relays

and

Relay

Systems

(

)

(

158

)

Operating

Temperature

(

)

100

(

212

)

Storage

Temperature

standard

tests

the

relay

has

withstood

each

three

mutually

perpendicular

planes

without

structural

damage

degradation

perfor

mance

Shock

Courtesy of NationalSwitchgear.com

General

Information

standard

tests

the

relay

has

withstood

chof

three

Dendicular

planes

swept

over

the

range

500

for

total

sweeps

minutes

each

sweep

without

structural

damage

degradation

performance

Vibration

13.6

maximum

Weight

Case

Size

30.0

20.0

9.0

8.0

7.0

4.0

0.9

0.7

0.4

0.3

0.2

0.1

100

120

Vac

INPUT

200

240

Vac

INPUT

VOLTAGE

DIFFERENCE

FROM

PICKUP

Figure

Overvoltage

Inverse

Time

Curves

Courtesy of NationalSwitchgear.com

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