ABB VSC Manuel utilisateur
—
Instruction manual
Vacuum contactor
Addendum to VSC installation and service
instructions 7.2/12 kV - 400 A
—
2Vacuum contactor
Contents
—
I Introduction
II Environmental protection
program
1 Applicability of VSC
instructions
2 Specific VSC instruction
Handling
Description
Installation
Maintenance
Spare parts
Electrical diagram
3 Overall dimension
05
05
06
07
07
08
09
10
10
10
11
3Contents
4Vacuum contactor
For your safety!
—
•
Make sure that the installation room (spaces,
divisions and ambient) is suitable for the electrical
apparatus
•
Check that all the installation, putting into service
and maintenance operations are carried out by
qualified personnel with suitable knowledge of
the apparatus
•
Make sure that the standard and legal
prescriptions are complied with during
installation, operation and maintenance, so that
installations according to the rules of good
working practice and safety in the work place
are constructed
•
Strictly follow the information given in this
instruction manual
•
Check that the rated performance of the
apparatus is not exceeded during service
•
Check that the personal operating the apparatus
have this instruction manual to hand as well as
the necessary information for correct intervention
•
Pay special attention to the danger notes
indicated in the manual by the following symbol
Responsible behaviour safeguards your
own and others’ safety!
For any requests, please contact the ABB
Assistance service.
5Introduction/Environmental protection program
I Introduction
—
This publication contains the information needed
to install medium voltage VSC vacuum contactors
and put them into service.
For correct use of the product, please read it
carefully.
This VSC retrofit solution is designed for
installation in the 800 mm width ABB UniGear ZS1
or similar designed panel (check of compatibility
of VSC 800 mm width in third–part panels shall
be done).
However, this apparatus allows further
technical-construction modifications (at the
customer’s request) to adapt to special
installation requirements.
Consequently, the information given below may
sometimes not contain instructions concerning
special configurations.
Apart from this manual, it is therefore always
necessary to consult the latest technical
documentation (electric circuit and wiring
diagrams, assembly and installation drawings,
any protection coordination studies, etc.),
especially regarding any variants requested in
relation to the standardized configurations.
Only use original spare parts for maintenance
operations.
For further information, please also see the
technical catalogue of VSC vacuum contactors
and the spare parts.
II Environmental protection program
—
These VSC contactors are manufactured in
accordance with the ISO 14000 Standards
(Guidelines for environmental management).
The production processes are carried out in
compliance with the Standards for environmental
protection in terms of reduction in energy
consumption as well as in raw materials and
production of waste materials.
All this is thanks to the environmental management
system of the medium voltage apparatus
manufacturing facility.
1 Applicability of VSC instructions
—
This VSC retrofit is based on the VSC fixed version.
For this reason most of the information contained
in the VSC Instruction Manual are effective also
for this retrofit.
In details, with reference to the VSC Installation
Manual (1VCD600943), the following section are
in common and for this reason are not contained
in this addendum. Please refer to the VSC
Instruction Manual:
•
Section 1- Description
-
Section 1.1 - “MAC” magnetic driver
-
Section 1.3 - Characteristics
-
Section 1.5 - Performances
-
Section 1.6 - Contactor auxiliary contacts
-
Section 1.7 - Compliance with Standards
-
Section 1.8 - Protection against short-circuit
•
Section 2 - Checking on receipt
•
Section 4 - Storage
•
Section 5 - Installation
-
Section - 5.3 Normal conditions
-
Section - 5.4 Special conditions
-
Section - 5.6 Assembly and making the
connections
-
Section - 5.7 Description of the closing and
opening operations
-
Section - 5.8 manual emergency opening
operation
•
Section 6 - Putting into service
•
Section 7 - Maintenance
•
Section 8 - Spare parts and accessories
•
Section 9 - Product quality and environmental
protection
6Vacuum contactor
2 Specific VSC instruction
—
Handling
Handling using a lifting or fork-lift truck.
The contactor can be lifted using a lifting truck or
a fork-lift truck.
The following precautions must be taken during
contactor handling:
1. Keep the contactor in the upright position.
2. Make sure that the load is balanced on the truck
or on the transport plate/pallet.
3. Interpose protective material between the
contactor and the truck to avoid any damage
or scratches.
4. Fix the contactor onto the truck or onto the
transport plate/pallet to prevent it moving or
tilting over.
5. Avoid excessive speed, sudden starts and stops
or sharp changes in direction during contactor
handling.
6. Only lift the contactor enough to avoid any
obstacles on the floor.
7. Take care to avoid any impacts with
structures, other apparatus or with personnel
when handling the contactor.
8. Never lift a contactor over an area where there
are people.
9. During handling of the apparatus, do not stress
the insulating parts and the contactor terminals.
Handling and lifting using a hook.
To lift and handle VSC vacuum contactors with
special lifting accessory.
•
To lift and handle VSC vacuum contactors,
using the hooks (fig.1b)
•
Insert the special lifting accessory (fig.1c)
•
Put the hooks in the holes in the lifting
accessory
•
On completion (and in any case before putting
into service) of the operation unhook the lifting
accessory
7Specific VSC instruction
Fig.1a Handing using a fork-lift truck
Fig.1b Fig.1c Fig.1d
Lifting accessory
2 Specific VSC instruction
—
Description
General
The VSC series of contactors are pieces of
apparatus under vacuum for indoor installation.
For the electrical performances, please refer to
the corresponding technical catalogue code
1VCD600943.
For special installation requirements, please
contact ABB.
The following versions are available:
Distance between upper and lower terminals
205 mm
275 mm
310 mm
Reference Standards
This vacuum contactor conform to the IEC
62271-106 and GB14808 Standards and those of
major industrialized countries.
Overview of main interlocks
8Vacuum contactor
1 Secondary wiring plug
2 Signaling device for open/close
3 Operation counter
4 Steel basement
5 Truck
6 Emergency operating device
7 Fuse holder
8 Fixed version VSC
9 Insulator
10 Actuator elements
11 Upper side contact system
12 Insulating cover
13 Lower side contact system
14 Steel cover
15 Interlock for racking-in/out and open/close operation
16 Fuse1)
1) On request
1
3
5
4
6
2
15
Fig. 2a
14
13
11
10
8
7
12
9
Fig. 2b
Fig. 2c
Fig. 2d
16
Installation
Preliminary operations.
•
Clean the insulating parts with clean dry cloths
•
Check that the top and bottom terminals are
clean and free of any deformation caused by
shocks received during transport or storage
Installation of VSC in 800 mm width switchgear.
This withdrawable VSC vacuum contactors are
preset for insertion in the corresponding 800 mm
width switchgear. Insertion and racking-out of
the contactor must be gradual to avoid any shocks
which could deform the mechanical interlocks. If
the operations are prevented, do not force the
interlocks and check that the operating sequence
is correct. Please also refer to the technical
documentation of the switchgear for the vacuum
contactor installation operations.
CAUTION!
The racking-in and racking-out
operations must always be carried out
with the contactor open.
The VSC is preset for use in 800mm width UniGear
and similar designed panels. For switchgear
racking-in/racking-out, fully insert the lever in
the appropriate seat and work it clockwise for
racking-in, and anti-clockwise for racking-out,
until the limit switch positions are reached.
The racking-in/-out must be carried out gradually
to avoid shocks which may deform the mechanical
interlocks and the limit switches.
If operations are prevented or difficult, do not
force them and check that the operating
sequence is correct.
When the contactor has reached the isolated for
test/isolated position, it can be considered
racked into the switchgear.
For the contactor installation operations, also refer
to the technical documentation of the
above-mentioned switchgear.
Putting into service
General procedures:
All the operations regarding putting into
service must be carried out by ABB
personnel or personnel who are suitably
qualified and have in-depth knowledge of
the apparatus and installation. If the
operations are prevented, do not force the
mechanical interlocks, but check that the
operation sequence is correct.
Before putting the contactors into service, carry
out the following operations:
•
Check the tightness of the power connections
on the contactor terminals
•
Check that the value of the supply voltage for
the auxiliary circuits is within 85% and 110% of
the rated voltage of the electrical devices
•
Check that no foreign body, such as packaging,
has got into the moving parts
•
Check that air circulation at the contactor
installation site is adequate so that there is no
danger of overheating
•
Carry out the checks indicated in the Table 1
9Specific VSC instruction
0,5 mm
—
Table. 1
Item inspected Procedure Positive check
1. Insulation resistance The insulation resistance should be at
least 50 Mohm.
Carryout a few closing and opening operations of the
contactor.
Operations and signals normal.
3. Auxiliary circuits Operations and signals normal.
Tighten the fixing screws.
Medium voltage circuit use lower letter, with and not Width With
a 2500 V megger, measure the insulation resistance between
the phases and the exposed conductive part of the circuit.
Check that the connections to the control circuits are
correct: proceed with the relative power supply.
With the contactor open, check that the thickness between
the body of the contact and the stem is 0.5 mm.
2. Drive open/closed indicator,
operation counter (if provided)
10 Vacuum contactor
2 Specific VSC instruction
—
Maintenance
Maintenance must only be carried out by
ABB personnel or in any case by suitably
qualified personnel who have in-depth
knowledge of the apparatus (IEC62271-106).
Should the maintenance be carried out by
non-ABB personnel, they are responsible
for the interventions.
Replacement of any parts not included in
the “List of spare parts/accessories” must
only be carried out by ABB personnel.
In particular:
•
Vacuum interrupter assembly
•
MAC-R2 electronic card
•
Actuator assembly
•
Auxiliary contacts
•
Capacitor
Spare parts
All assembly operations of spare parts and
accessories must be carried out by ABB
personnel or by suitably qualified customer
personnel with in-depth knowledge of the
apparatus, following the instructions
enclosed with the spare parts, (IEC62271-106)
and all the Standards aimed at carrying
out these interventions in safe conditions.
Should maintenance be carried out by
the customer’s personnel, responsibility
for the interventions lies with the customer.
Before carrying out any operation, always
make sure that the contactor is open and
that it is not energized (medium voltage
circuit and auxiliary circuits).
To order contactor spare parts/accessories, refer
to the ordering sales codes listed in the technical
catalogue.
For availability and to order spare parts, please
contact our service office.
List of spare parts
•
Vacuum interrupter assembly (replacement to
be carried out by ABB)
•
MAC-R2 electronic card
•
Auxiliary contacts (5 normally open and/or 5
normally closed)
•
Capacitor
•
Actuator assembly (replacement to be carried
out by ABB)
•
Operation counter
•
Fuses
•
Adapters for fuses
•
Fuse-holders (replacement to be carried out
by ABB)
•
Tulip and jaw-type isolating contacts
•
Insulator (Fig2.b 9)
•
Insulating cover (Fig2.b 12)
•
Locking magnet in the truck
•
Interlock in the truck (Fig2.c 15)
•
Microswitches
Electrical diagram
The standard VSC for 800 mm width panel electrical
circuit diagram is as follows:
•
1YHA000099: VSC electrical diagram
Each contactor is always provided with the
standard electrical diagram or with a specific
diagram in the case of a vacuum contactor with
non-standard cabling.
Ce manuel convient aux modèles suivants
2
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