Hubbell CHANCE BPRS Bedienungsanleitung

of 8

P8050212 Rev. D

Type BPRS

Regulator

By-Pass Switch

for Station Class Switching

HUBBELL POWER SYSTEMS, INC.

210 North Allen Street

Centralia, MO 65240-1395 U.S.A.

Telephone: (573) 682-5521

IMPORTANT!

Keep this manual readily

available for future reference.

Installation, Operation and

Maintenance Manual

POWER SYSTEMS, INC.

Printed in U.S.A.

of 8

P8050212 Rev. D

SUMMARY

The information in this document does not claim to cover all details or variations in equipment, nor to provide for

every possible contingency encountered with installation, operation, or maintenance. Should further information

be needed or problems arise that are not covered sufﬁciently, contact your authorized factory representative.

The contents of this document are not part of, nor do they modify, any prior or existing agreement, commitment

or relationship. HUBBELL terms and conditions of sale constitute the entire obligation of HUBBELL. The war-

ranty in the terms and conditions of sale is the sole warranty of HUBBELL. Any statements in this document do

not create new warranties or modify any existing warranty.

IMPORTANT

These installation, operation and maintenance instructions do not claim to cover all details or variations in equip-

ment. Nor do they provide for all possible conditions encountered while installing, operating or maintaining this

equipment. If further information is desired or needed to address any particular installation, operation or main-

tenance problem not covered in this document, contact your authorized factory representative.

The information in this document does not relieve the user from exercising good judgment in selecting equipment

for suitability of application. Nor does it relieve the user from using sound practices in installation, operation and

maintenance of the equipment purchased.

Note: Because HUBBELL has a policy of continuous product improvement, we reserve the right to change design

and speciﬁcations without notice. Should a conﬂict arise between the general information in this document and

the contents of drawings or supplementary material, or both, the latter shall take precedence.

Warnings

QUALIFIED PERSON

For the purpose of this manual, a qualiﬁed person is:

(a) familiar with the installation, operation and maintenance of the subject equipment and the hazards

involved with its installation, operation and maintenance.

(b) trained to de-energize, clear, ground, and tag circuits and equipment in accordance with established

safety practices.

or face shields, ﬂash clothing, etc., in accordance with established utility safety practices.

(d) trained to render ﬁrst aid.

Electrical equipment contains hazardous voltages and high

speed moving parts. Contact with these hazards will cause

death, serious personal injury or damage equipment.

Only qualiﬁed personnel shall install, operate and maintain this

equipment. Always properly ground equipment and lock out

electric power (de-energize) before maintenance. Using non-

speciﬁed/unauthorized parts or components to repair equip-

ment, or tampering with safety devices/systems will result in

dangerous conditions which can cause death, severe personal

injury or damage to equipment. Take note of and follow all safety

instructions contained in this installation, operation and mainte-

nance manual.

DANGER

of 8

P8050212 Rev. D

Hazardous voltage.

Will cause death, severe personal injury, or property damage.

Only qualiﬁed personnel should work on or around this equipment after

becoming thoroughly familiar with this document and other publications

regarding this equipment.

DANGER

Product

The products covered by this manual are

the BPRS sequenced voltage regulator

overhead by-pass switches for medium volt-

age electrical switching.

These products are designed for switching

only at their rated capacities. They cannot

be ﬁeld modiﬁed for capacities other than

what was shipped with the units. If a differ-

ent capacity is desired, contact your super-

visor or factory representative to secure the

appropriate unit.

Overview

Function

These products are loadbreak disconnect

switches designed to provide a means for

by-passing, disconnecting and isolating volt-

age regulators on electrical systems.

General

The BPRS By-Pass Switch is a single-

phase 3-blade, 1-pull, hookstick operated

switch. It is used for manually disconnect-

ing a voltage regulator without interrupting

normal electrical service.

The BPRS Switch is provided with a load-

break interrupter to suppress the voltage

regulator exciting current during switch

opening. The BPRS has no deadending

provisions.

The BPRS Switch provides holes and slots

in the switch base for direct base to struc-

ture mounting. The structure must be drilled

to match the base mounting holes and slots.

The user supplies the mounting hardware.

Speciﬁcations

Select the proper BPRS Switch for each instal-

lation with consideration to voltage, lightning

impulse withstand, continuous current and

short time current withstand. If there is concern

about the use of this switch as rated, consult

your supervisor before installation.

• Nominalvoltageratingsof15.5kV,27

kVor38kV(modeldependent)

• Lightningimpulsepeakwithstandratings

of110kV,150kV,or200kV(model

dependent)

• Continuouscurrentratingof600or1200

amperes

• Shorttimecurrentwithstandratingfor

600 Amperes:

- 25 kA symmetrical for 1 second

- 65 kA peak

• Shorttimecurrentwithstandratingfor

1200 Amperes:

- 40 kA symmetrical for 1 second

- 99 kA peak

Qualiﬁed Person

Only qualiﬁed trained and competent

personnel that understand proper safety

procedures must select, install and service

this equipment.

Read and understand these instructions

before installing, operating or maintaining

this equipment.

This guide is not a substitute for adequate

training and experience in safety procedures

for this type of equipment.

Signal Words

The signal words “DANGER,” “WARNING”

and“CAUTION”(alongwiththeirassigned

symbol)throughoutthismanualindicatethe

degree of hazard the user may encounter.

These symbols and words are deﬁned as:

▲

DANGER

WARNING

CAUTION

CAUTION used without the safety alert symbol

indicates a potentially hazardous situation

which, if not avoided, may result in property

damage.

CAUTION indicates a potentially hazardous

situation which, if not avoided, may result in

minor or moderate injury.

WARNING indicates a potentially hazardous

situation which, if not avoided, could result in

death or serious injury.

DANGER indicates an imminently hazardous

situation which, if not avoided, will result in

death or serious injury.

of 8

P8050212 Rev. D

Receiving & Handling

Inspect Packaging

• Uponreceipt,immediatelyinspectpack-

aging for signs of damage

•Startinspectionwiththepackagingmate-

rial and proceed to the equipment within

•Lookforconcealeddamage

•Ifdamageisfound,notedamageonBill

ofLadingpriortoacceptingdelivery

Note: Documentation of visible shipping

damage can determine the outcome of

any damage claim. Immediately notifying

the carrier of concealed damage is

essential to resolving or minimizing

unsettled claims. Immediately ﬁle

your claim and notify your factory

representative.

Unpack and Operate Switch

•Placeshippingcrateonstable,level

surface and remove top and side boards.

•Opentheswitch.Propersequencingis

ensured when the by-pass blade closes

Switch Installation

Install Switch

• RefertoDimensionDrawingatright.

• Determinetheswitchmountinglocation

on the structure.

• Provideaminimumoffour9/16" diameter

mounting holes in the structure matching

the hole and slot patterns as shown in

the switch base detail.

• Secureliftingslingasshown.

• Usingyourcompany’sstandardpractice,

hoist the switch into position.

• Attachtheswitchtothestructurewith

1/2" diameter user supplied mounting

hardware and torque according to your

company standards.

Wiring

Conductors

Useyourcompany’sstandardpracticesfor

conductor termination.

as the disconnect blades open. Close

the swtich. Proper sequencing is ensured

when the by-pass blade opens as the

disconnect blades close. Refer to the Op-

eration section of this manual on pages

5 and 6.

•Iftheswitchfailstooperateasdescribed,

contact your supervisor or a factory repre-

sentative.DONOTINSTALL.

•Removenutsholdingtheswitchbaseto

the crate ends and remove ends.

of 8

P8050212 Rev. D

Source Load

Operation

Closing Switch

• ToclosetheBPRSSwitch,placeahook-

stick in the pull ring as shown.

Normal Operating Position By-Pass Operating Position

Regulator

By-Pass Switch

By-Pass Blade

Disconnect

Blade Disconnect

Blade with

Interrupter

Regulator

By-Pass Switch

By-Pass

Blade

Source Load

Disconnect

Blade

Disconnect

Blade with

Interrupter

Figure 1 Figure 2

General

Operation of the BPRS By-Pass Switch is

shown in Figures 1 and 2. In normal opera-

tion, the by-pass blade is open and the two

disconnectbladesareclosed(Figure1),

allowing the regulator to be in the circuit.

When isolation of the regulator is required,

a single pull on the pull ring closes the by-

pass blade and opens the disconnect blades

(Figure2)toisolatetheregulatorfromthe

circuit.

• Positionyourselfbelowandinfrontofthe

switch’shookstickpullring.

• Positionfeetandbodyinamannerthat

provides good stability and allows for

hook stick use without losing a steady

footing.

• Undericeconditions,bepreparedtouse

greater force to overcome the additional

resistance.

• Allowaminimumof24inches(610mm)

clearance from the bottom of the hook

stick to the ground or other objects for

uninterrupted hookstick travel.

For three-phase induction

regulators, contact your

supervisor or or your authorized

factory representative.

• Turnheadandlookawayfromtheswitch.

• Quickly, ﬁrmly and without hesitation

drive the switch to the closed position.

• Carefully remove the hookstick from the

pull ring to avoid opening the switch.

• TheBPRSSwitchisproperlyclosedwhen

the disconnect blades are fully engaged,

the by-pass blade is fully open and the

"hook" portion of the pull ring extends

through the guide/latch slot.

• Resetvoltageregulatorautomatic control

to desired settings.

This switch is not designed for by-passing single-core, three-phase

induction regulators.

Consult your supervisor or authorized factory representative for these

applications.

WARNING

"Hook"

of 8

P8050212 Rev. D

Operation

•Whenby-passingavoltageregulator,

follow the steps outlined below.

Opening Switch

1. Set voltage regulator automatic control

to manual. Set voltage regulator to its

neutral position. By-pass blade is open

and disconnect blades are closed.

2. The BPRS is a single pull, sequenced

switch. A single pull on the pull ring

performsthefourswitchingoperations(A,

B,C,D)inthepropersequence.

A. By-pass blade closes. B. Source disconnect blades open.

C.Loaddisconnectbladeopensthrough

interrupter.

D.Interruption of regulator exciting current.

3. During the closing operation, the

automatic sequence is reversed. The

enforced sequence operation minimizes

the possibility of operator error.

• Placeahookstickinthepullringas

shown below.

• Turnheadandlookawayfromtheswitch.

• Quickly, ﬁrmly and without hesitation

pull down until the disconnect blades are

fully opened to stop position.

• Removethehookstickfromthepullring

when switch is fully opened.

Switch fully opened

Remove the hookstick from the pull ring

when switch is fully opened.

WARNING

High Voltage Circulating Current Hazard.

An out-of-sequence regulator by-pass switch can cause excessively

high circulating currents.

Can cause death, severe personal injury, regulator or property damage.

Ensure regulator by-pass switch is properly sequenced before

operating.

High Voltage Circulating Current Hazard.

By-passing a voltage regulator without ﬁrst setting the regulator to its

neutral position can cause excessively high circulating currents.

Can cause death, severe personal injury, regulator or property damage.

Set regulator to its neutral position before performing a by-pass

operation.

of 8

P8050212 Rev. D

Maintenance

General

Prolong the life of the BPRS By-Pass Switch

with a periodic inspection and maintenance

program. Although the switch is designed for

long-term exposure in all weather condi-

tions, certain environments may reduce its

life without periodic maintenance. Following

these minimum inspection and maintenance

procedures will help ensure long service life.

DANGER

Hazardous voltage.

Contact with energized lines will result in death, personal injury or

property damage.

All maintenance work should be performed on de-energized switches.

Ifworkmustbeperformedonlivelines,followyourcompany’sstandard

safe operating procedures.

Hazardous voltage.

Can cause death, severe personal injury.

Contact with the switch bases, hardware or crossarm could result in

electrical shock. Ground the switch bases and mounting hardware prior

to maintenance.

WARNING

Note: It is recommended that all switches

go through a maintenance check at least

once a year; more frequently if located in

a contaminated area.

For additional recommendations, refer to

ANSIC37.35“IEEEGuidefortheApplica-

tion, Installation, Operation, And Mainte-

nanceofHighVoltageAirDisconnectand

LoadInterrupterSwitches."

Switch

Operate the switch periodically to clean

contact surfaces to keep parts moving freely.

• Checkforburnedorpittedcontactsand

replaceifnecessary.Lubricateifneces-

sary with Dow Corning FS-1292 grease.

• Checkthehingeboltsforlooseness.If

loose,cleanboltthreads,applyLoctite®-

271andtorqueto40-in-lb.

• Inspectallbladerivetsfortightnessand

replace blade assembly if loose.

• Inspectthemountinghardwareand

tighten according to speciﬁcations located

in the Installation Section of the manual.

• Replaceanydamagedortrackedinsula-

tors. Clean or replace if heavily contami-

nated. Consult your authorized factory

representative for authorized replacement

insulators.

Conductors

• Besureallconductorsareroutedsothey

do not interfere with switch operation

• Inspectallconductorstobesuretermina-

tions are tight and corrosion free

• Ifnecessary,cleanandapplycontact

sealingpaste(ChanceZ.L.N.orequiva-

lent)andretightenterminations.

of 8

P8050212 Rev. D

Notes/Records

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