Toshiba CV-10HA Manuel utilisateur

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

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SHIBA 6F9G0133

CONTENTS

GENERAL

DESCRIPTION····················

PRECAUTIONS

SPECIAL

APPLICATION·····

RECEIVING

AND

UNPACKING················

STORAGE

AND

HANDLING···················

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

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

OUTLINE

DRAWING························

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

OPE

RAT

ON······························

10.

TRIAL

OPERATION······················

··13

11.

INSPECTION

AND

MAINTENANCE·············14

12.

CRITERIA

FOR

DURABILITY···············

·18

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TOSHIBA

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)

other establishments than domestic , or those that are connected to

the public power source system.

GENERAL DESCRIPTION

(1) Ambient condition

6F9G0133

The type CV vacuum contactor

manufactured

accordance with IEC 60470(2000).

The vacuum contactor should be used

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

24h

does not exceed

+35°C

45% min. to 85% max.

-Vibbration

· 20Hz -9.8m/s2 or less

CAUTION :

not use

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

used

a chemical plant or

outdoor panels,

take necessary precautions against corrosion,

water seepage and condensation.

See page

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TOSHIBA 6F9G0133

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

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

frequently.

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

ventilation

is very more place. Setting

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

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

changing

S02

Cl2

,N02

the insulation material.

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TOSHIBA

RECEIVING AND UNPACKING

WARNING:

If any parts are damaged or missing.

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

the specifications on the plate are correct.

(3) Check the contact wear gauge and control cable.

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

STORAGE AND HANDLING

When the contactor

to be stored over a long period , the storage area

should

dry and dust free area.

Ifthe contactor

left outdoors or

adverse conditions , corrosion

from gas , rust or insulation deterioration may result.

CAUTION :

handling , do not throw or drop contactor.

The contactor may break.

4 -

6F9G0133

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TOSHIBA

5. INSTALLATION

When installing , protect from dust. Particularly when the contactor

is installed while the building

under construction , shield it from

cement dust and other foreign matter.

The following precautions should be taken.

(1) The mounting surface must

horizontal (level : less than +1mm).

When the mounting surface

not horizontal , adjust with spacers.

(2) There are four mounting holes.

Use M10 bolts to securely mount the contactor.

(3)

wiring the main circuit terminals , ground terminals and control

circuit , wires should be given sufficient length to

flexible.

The ground wires should be more than 5.5mm2

cross section.

(4)

not mount the contactor with its front inclined downward.

This may result

malfunction.

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

(6) When it

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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TOSHIBA 6F9G0133

RATING

DANGER:

Do not exceed the ratings specified on the contactor.

Table 3 Ratings

Type-

form

CV-10HA

CV-10HAL

Operating mechanism Non-latched Latched

Rated operation voltage (kV) 12/15

Rated insulation level (kV) AC.28 , Imp.75

Rated operational current (A) 400

Thermal current (A) 450

Rated frequency (Hz) 50/60

Rated short-time withstand current (A-s)

5000-1

Rated peak withstand current (A) 12500

Rated duties Operations/hour 300 120

On load factor 40%

Rated making capacity (kA)

4(C-10sX

100times)

Rated breaking capacity (kA) 3.2(

CO-

30s x 25times)

Short-circuit making and breaking current 5/4

(kA)

Duties

0-3min-C0-3min-CO

Withstand overload current (kA-s)

8.0-1

sec ,

2.4-

30sec

Mechanical operation (million) 0.25

Electrical operation (million)

0.1

Rated supply voltage Closing voltage

100-240VAC

(Standard)

100-220VDC

100-250VDC

Tripping voltage -

100-110VDC

Auxiliary switches Contact arranoement

4N0-2NC

2N0-1NC

Life (million)

0.1

Operating current (A) Closing

6--

(at 100V) Holdina/Triooina

0.6--0.7

3--4

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......

Ir>

11'>1 -

c:-

500

OPENING

FOR

MANUAL

TRIP

(LATCHED

TYPE)

RECOMMEND

PARTITION

DISTANCE

0 0

146

193

526

';>I

le=

235

TYPE

CV-

1 0

(

(HORIZONTAL

MAIN

TERMINALS)

Fig.1

OUTLINE

DRAWING(mm)

IE 16

5tI

~ ~

I I I

MAIN

TERMINALS

DIA.

3-6HOLES

l l i

......

-i

-I

J:ll

'Tl

...a.

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MAIN

TERMINALS

VACUUM

INTERRUPTERS

ARMATURE

INSULATION

BARRIER

ATCH

MECHANISM

(LATCH

TYPE)

FRONT(WITHOUT

COVER)

Fig.

STRUCTURE

CV-10

[r::::J]

CONTROL

CONNECTOR

METAL

COVER

FRONT

INDICATOR

COUNTER

(OPTION)

OPENING

FOR

MANUAL

TRIP

CX>

-I

::0

(')

-I

::0

-I

::c

Ill

,..

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SHIBA

OPERATION

The drive unit for the electromagnet is installed

the bottom frame.

Molded and wired

the printed circuit.

The closing circuit can be operated using either

AC or DC by the drive unit.

The optional latch trip circuit uses DC as standard.

6F9G0133

When a latched contactor is operated using AC power, it

recommended that a

Capacitor trip device be used.

The standard operating voltage is as follows:

Non-latched type(normally energized) :

100-240

V AC

/100-220V

Latched type :

100-

240V

/100-

250V

closing voltage

100-11

DC tripping voltage

ode

(Latched type)

TIMER

52CC

U-----+-----'

- - - - - - - - - -

OSCILLATION

POWER

SWITCHING

Fig.3 Internal Configuration

Drive Unit

CAUTION : Do not touch the drive unit without trouble.

9 -

VOLTAGE

DETECT

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