Toshiba CV-10HA, CV-10HAL Instruction Manual

TOSHIBA 6F9G0133

INSTRUCTION

MANUAL

HIGH-VOLTAGE

VACUUM CONTACTORS

MOTOR&

TRANSFORMER

APPLICATION

TYPE:CV-10HA

12/15kV-400A-5/4kA

TYPE:CV-1

OHAL

12/15kV-

400A-

5/4kA

May, 2001 I

REV.

4 I

TOSHIBA CORPORATION

SOCIAL INFRASTRUCTURE SYSTEM

COMPANY

©TOSHIBA

Corporation

2001

All Rights Reserved.

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TD

SHIBA

6F9G0133

CONTENTS

1.

GENERAL

DESCRIPTION····················

2

2.

PRECAUTIONS

IN

SPECIAL

APPLICATION·····

3

3.

RECEIVING

AND

UNPACKING················

4

4.

STORAGE

AND

HANDLING···················

4

5.

INSTALLATION···························

5

6.

RATING·································

6

7.

OUTLINE

DRAWING························

7

8.

STRUCTURE······························

8

9.

OPE

RAT I ON······························

9

10.

TRIAL

OPERATION······················

··13

11.

INSPECTION

AND

MAINTENANCE·············14

12.

CRITERIA

FOR

DURABILITY···············

·18

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Read this manual carefully to fully understand the operation.

And keep for maintenance.

WARNING:

Never remodel or disassemble the equipment nor mount

nonstandard components.

This equipment

shall only be used inside a metal enclosure (grounded)

in

other establishments than domestic , or those that are connected to

the

public power source system.

1.

GENERAL DESCRIPTION

( 1 ) Ambient condition

6F9G0133

The type CV vacuum contactor

is

manufactured

in

accordance with IEC 60470(2000).

The vacuum contactor should be used

in

the following conditions.

Table 1

Normal service condition

-Altitude

-Ambient

temperature

-

Relative humidity

Less than 1

OOOm

-S°C

min. to +40°C max.

Its average over a period

of

24h

does not exceed

+35°C

45% min. to 85% max.

-Vibbration

· 20Hz - 9.8m/s2 or less

CAUTION

:

Do

not use

in

condition other than those specified

above ,

please consult .

(2) Locative condition

The location where the contactor is to be

installed should be free from dust.
Corrosive gas and moisture.
When it

is

be

used

in

a chemical plant or

in

outdoor panels,
take necessary precautions against corrosion,
water seepage and condensation.
See page

2.

2

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6F9G0133

2. PRECAUTIONS IN SPECIAL APPLICATION (outdoor cubicle etc.)

In application, check the follow items, please carry out the maintenance

frequently.

or

perform the countermeasure.

(Visual inspection: once a month, regular inspection: once a year)

Table 2 Precaution in special application

Special

condition

Instance

Caution items

Contamination

Dust, iron-dust etc.

Reduction

of

ventilation

is very more place.

Setting

of

ventilation

for

Sea breeze Place where suffer the sea breeze.

sea breeze.

Frequent inspection.

High humidity

Place where very more Setting the space heater.
snow

and ice. Setting the ventilation.

More humidity. Prevention

of

flooding

Place

where near the into the cable pit.
cooling tower.
Place where cause changing

the temperature

suddenly.

Corrosion gas

Corrosion gas which come Protection from corrosion
into the airport,

chemical

gas.

Industry and water cleaning.

Anti-gas treatment.

(EX.)

Examination

of

changing

S02 , Cl2

, N02

of

the insulation material.

3

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3.

RECEIVING AND UNPACKING

WARNING:

If any parts are damaged or missing.

Do

not install that has been damaged.

Make the

following checks after unpacking :

(1) Check if there is any

damage,

foreign matter trapped , or water seepage

into the contactor.

(2)

Check the nameplate to see

if

the specifications on the plate are correct.

(3)

Check the contact wear gauge and control cable.

(4) Check the tripping rod (Latched type).

4.

STORAGE AND HANDLING

When the contactor

is

to be stored over a long period , the storage area

should

be

dry and dust free area.

If the contactor

is

left outdoors or

in

adverse conditions , corrosion

from gas , rust or

insulation deterioration may result.

CAUTION

:

In

handling , do not throw or drop contactor.

The contactor may break.

4 -

6F9G0133

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5. INSTALLATION

When installing , protect from dust. Particularly when the contactor
is

installed while the building

is

under construction , shield it from

cement dust and other foreign matter.

The

following precautions should be taken.

(1) The mounting surface must

be

horizontal (level : less than + 1 mm).

When the mounting surface

is

not horizontal , adjust with spacers.

(2) There are four mounting holes.

Use M10 bolts to securely mount the contactor.

(3)

In

wiring the main circuit terminals , ground terminals and control

circuit , wires should be given sufficient length to

be

flexible.

The ground wires should be more than 5.5mm

2

in

cross section.

( 4)

Do

not mount the contactor with its front inclined downward.

This may result

in

malfunction.

(5) Do not touch the vacuum interrupter surface with soiled hands.

(6) When it

is

applied to a capacitor load , be sure to used a space heater

to keep humidity low.

CAUTION : Do not install on energize contactor that has been bad condition.

5 -

6F9G0133

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