Siemens 3AD Series User manual

Installation and Operating Instructions
Siemens Vacuum Recloser 3AD
12 -38 kV
Order no.: 9229 0040 176 OF
Version: 12.2017 en
© 201 1 Siemens AG.All rights reserved.
,.
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."

2
For your safety
Siemens Vacuum Recloser 3AD
If the operating instructions are not observed -danger to life
There is a risk to life if the operating instructions are not read
Before unpacking, transporting, installing or commissioning the operating
instructions must be read
in full and the instructions contained therein must be
followed and the warning notices observed.
If inadequately qualified personnel is operating the recloser -danger to
life
Qualified personnel
In the sense of these instructions or ofthe warning notices on the Vacuum
Recloser 3AD they are those people familiar with the setting up, installation,
commissioning, maintenance and operation of the product, and who have the
appropriate qualifications for their activity, such as, for example:
• Training and instruction or authorization to switch high-voltage circuits and
devices/systems on and off, to earth them and to identify them,
in line with
the standards of safety techniques
• Training or instruction in the care and use of suitable safety equipment in
line with safe working principles
• Knowledge of utility safety rules and operating procedures
• Training in first aid.
In the case of improper use, non-approved modifications and the use of
other than Siemens original spare parts -danger to life
Product liability
Product liability claims are only valid if the Vacuum Recloser 3AD is used
properly (see Chapter
"1 General"), if no non-approved modifications have
taken place and ifthe replacement of the spare parts has been carried out
by
Siemens personnel or other for this work certified persons.
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Siemens Vacuum Recloser 3AD
Contents
1
1.1
1.2
2
2.1
2.2
2.3
2.4
3
3.1
3.2
3.3
4
4.1
4.2
4.3
4
.4
5
5 .1
5.2
5.3
6
6.1
6.2
6.3
7
7.1
7.2
7.3
8
8. 1
8.2
8.3
8
.4
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General
Format and aim of the operating instructions
Safety Instructions
Shipment and Storage
Packaging
Marking
Receipt and handling of shipments
Unpacking
Description
Recloser principle and design
Switch unit with embedded vacuum interrupters
Control cubicle (CC)
Installation and Commissioning
Safety instructions for installation
'Mechanical installation
Electrical installation
Commissioning
of control
Operation
Safety instructions for operation
Switching
Monitoring / Troubleshooting
Maintenance
Safety instructions for maintenance
Maintenance plan
Spare parts
Technical Data
Electrical and mechanical data
Dimensions and weights
Name plate
Appendix
Terminal an d circuit diagrams
Index
Diagrams index
Commissioning checklist
Contents
5
5
5
9
9
9
10
12
17
17
17
24
43
43
43
50
54
57
57
57
61
63
63
64
65
67
67
71
83
85
85
88
90
92
3

'General
Siemens Vacuum Rec lo ser 3AD
Abbreviations
--- ---------------
BI
Binary Input
--------------------------------------------------------------------------_.
4
Binary Output
BO
CC
----- ------------------------ --- ------- -- ---- -------- ------ ----- --------- --- --_ .
CT
DIN
GPO
GND
HMI
HV
IEC
IEEE
IRIG-B
LCD
LED
LV
MCB
NEMA
PSU
RAL
RTU
SCADA
SEF
Standard CC
SUD
UNC
USB
VI
XL-CC
Control cubicle -global definition
Current Transformer
Deutsches Institut
fOr Normung
General power outlet
Ground
Human-Machine Interface
High Voltage
International Electrotechnical Commission
Institute of Electrical and Electronics Engineers
Inter Range Instrumentation Group -Time code B
Liquid Crystal Display
Light Emitting Diode
Low Voltage
Miniature circuit breaker
National Electrical Manufacturers Association
Power Supply Unit
German color standard
Remote Terminal Unit
Supervisory Control and Data Acquisition
Sensitive Earth Fault
Standard control cubicle
Switch Unit Driver
Unified Coarse (see Unified Thread Standard)
Universal Serial Bus
Vacuum Interrupter
Extra-large control cubicle
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General
1 General
1.1 Format and aim of the operating instructions
These operating instructions apply for the Vacuum Recloser 3AD. They should
familiarize the personnel with the mechanical and electrical design as well as the
general functionality of the recloser. There are also notes on operation, and
information concerning installation and maintenance.
It is required for the operating and installation personnel to familiarize themselves
as early as possible with the instructions and other documents provided, in order to
gather any relevant further information
on the recloser and its features.
Note:
The operating instructions contain information on proper operation
and maintenance of the equipment, together with warning notices.
They are intended to point out non-approved actions and to
indicate the potential danger associated with operation
of the
recloser.
Should further information be desired, or should particular problems arise which
are not covered in the operating instructions, the matter should be referred to the
local SIEMENS sales office. In addition, we would point out that the contents of
these instructions will not become part of or modify any prior or existing agreement,
commitment or legal relationship.
The sales contract contains all the Siemens obligations. The warranty contained in
the contract is the complete and sole warranty of Siemens. Any statements
contained
in the se instructions do not create new warranties or modify the existing
warranty.
In written or verbal communications, provide the complete description from the
operating instructions, quote the serial number and use only the designations and
numbers for subparts used
in these locations.
The operating instructions remain valid until the end of the product's life. After
disposal of the product, it is then possible to dispose of the operating instructions
as well. Siemens reserves the right to update or supplement the product by making
structural modifications or expansions. These possible modifications and
expansions are subject to the same validity as th e operating instructions supplied
with this product.
~ Note:
Product illustrations are exemplary illustrations and can deviate
from supplied products.
1.2 Safety Instructions
The recloser, together with the accessories and special tools also supplied, is in
conformity with the statutory laws, rules and standards applicable at the t im e of
delivery, especially those regulations concerning health and safety.
Provided that the conditions specified in these operating instructions are applied
and complied with (and the safety instructions given in the operating instructions
and/or
on the product are followed) the recloser will not cause any danger to
persons, property or the environment. This applies throughout its entire service life,
i. e. from delivery, through installation and operation right up to the time of
dismantling and disposal.
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General Siemens Vacuum Recloser 3AD
1.2.1 De signated use
The recloser is deemed properly used when
-It
is operated in accordance with the agreed terms and conditions of supply and
the technical data
-The equipment and special tools supplied are used exclusively for their
intended purpose and
in accordance with the provisions of these operating
instructions.
Any other use is forbidden, unless the consent
of Siemens has been obtained.
Note:
Changes to any part ofthe Recloser or its accessory, which is done
by the client and not previously agreed by Siemens, will cause the
loosing of the warranty ofthe whole product.
Ifthe above-mentioned conditions are not observed, or the safety instructions are
not followed, there can be danger from:
-Electric high voltage
-Tensioned springs
-Falling and/or tipping parts
-Charged capacitors.
1.2.2 Responsibility of the operator
6
In order to avoid accidents, faults, damage or prohibited impairment of the
environment, the party responsible for transportation, installation, operation,
maintenance and disposal ofthe recloser or its parts thereof must ensure that:
-Only qualified and instructed personnel are assigned to work.
-Before starting work, regularly thereafter and following any unusual
occurrences, personnel are instructed concerning the possible dangers and
also the safety measures required to prevent it.
-Regulations and instructions for safety at work (together with instructions on
action to
be taken in the event of accidents and/or fire) are at all times available
to personnel and, if necessary, stored in the control cabinet.
-The equipment and facilities required for work safety, and also the personal
protective clothing etc. necessary for certain procedures, are available and are
used.
-Only spare parts, lubricants and auxiliary materials approved by the
manufacturer are used.
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General
1.2.3 Warning notices
These signal words "danger", "warning" and "caution" used in this manual indicate
the degree of hazard that may
be encountered by the user.
The warning notices are appended before the respective sections.
In these
sections any necessary safety instructions are also given prior to descriptions of
the relevant actions/procedures. With regard to the possible consequences of non-
compliance with these safety instructions, the following terminology shall apply:
Indicates
an imminently hazardous situation that, if not avoided, will result in
death or serious injury
~ W ~ RNING
Indicates a potentially hazardous situation that, if not avoided, could result in
death or serious injury
~ CAUTION
Indicates a potentially hazardous situation that, if not avoided, may result in
mi no r or moderate injury
~ Note:
Denotes a possibly damaging situation. If such a situation is not
prevented, the product or
so mething in its su rroundings can be
damaged.
1.2.4 Hazardous procedures
In addition to other procedures described in this manual as dangerous, user
personnel must adhere to the following:
1) Always work only on de-energized equipment. Always de-energize the
equipment before performing any tests, maintenance or repai r. The equipment
should be isolated, grounded and have all control power removed before
performing any tests, maintenance or repair.
2) Always perform maintenance
on the cont rol cabinet only after the capacitors are
discharged (see chapter "3.3.3 Capacitor discharge switch" ).
3) To prevent damage to printed circuit boards, discharge any static electric al
charges on hands or tools by touching grounded surfaces of the enclosure
before touching capacitor board (57) or controller b
oa rd (4 5) an d before
disconnecting any connector plugs.
4) Check to be certain the indicator flag is green, indicating that the switch unit is
in the open position (Different colors are possible at the customer request. See
chapter 3.2.2).
5) Always let an interlock device or safety mechanism perform its function without
forcing or defeating the device.
6) Prevent injuries and damage by electrical short-circuits: All metallic items (such
as jewelry, watches, pins etc.) must be removed from hands, wrists, neck and
clothing before starting the work (according to
EN 50272-2).
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General
Blank page
8
Siemens Vacuum Recloser 3AD
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Siemens Vacuum Recloser 3AD
Shipment and Storage
2 Shipment and Storage
2.1 Packaging
To permit the goods to be shipped safely, economically and in accordance with
regulations, they will be made ready for shipment by Siemens prior to actual
packing. Taking into account the various influences on the goods (climate
conditions, total duration
of transport and storage, method of transport), several
different types of packaging are used. The type of packaging is quoted on the
dispatch note and described below.
Packaging:
-Overseas cases made from treated wood orfiberboard suitable for air freight,
sea freight and transportation via road, load bearing capacity 1,000 kg/m2 top
cover area. They are re-usable.
-reinforced cardboard boxes will be used for reduced packaging requirements,
e.g. land transport
2.2 Marking
The packaging has symbols which give instructions for safe transport and proper
storage. For the dispatch
of non-hazardous goods, the following symbols apply.
These symbols must be strictly observed.
• •
tt ! ~
1 2 3 4 5 6 7
1 · 01 ·900 4 0 1 ~u
Fig. 1 Symbols for the dispat ch of packages
1 This way
up
2 Fragile
3 Keep dry
4 Ke ep away from direct sunl ig ht
5 Centre of gravity
6 Slinging point
7 Sealed packaging
In addition to these symbols, further notes may appear as text and/or illustrations.
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Shipment and Stora ge Sie
me ns Vacuum Recloser 3AD
2.3 Receipt an d handling of shipments
& WARNING
Danger from tipping or falling l oa ds -Danger to life!
• Do not stand under lifted loads.
• Do not exceed the carrying capacity of transport equipment and lifting gea r.
Capacity about 500 kg is needed. Details of masses and weights are listed
in the Technical
Da ta (see Chapter "7 Technical Data").
• Do not exceed t he load-bearing capacity of the case(s ).
• Local safety rules must be applied.
The goods must be transported from the manufacturer to the site only by
experienced freight forwarders. The Siemens installation personnel may act only
as an advisor or supervisor. Transportation remains exclusively the re spo nsibility of
the freight forwarder.
2.3.1 Transport to site
10
& WARNING
Risk of load tipping when loading and un load in g heavy goods
(espe
ci ally if using winch es ,jacks and crowbars, etc.) -danger to life!
• Secure loads during transport.
• Stabilize the transport vehicle with props or jacks during lo ad i ng an d
unloading,
in order to avoid tipping or collapsing of the load area.Always
apply the brakes.
• When using steel ropes, use wooden blocks to prevent them f rom rubbing
against the cases or cutting into them.
• Use the lifting eyes.
• Local safety rules must be applie d.
• The recloser must only be shipped in the OFF position.
• The cover of the controller needs to be taken off for transportation.
Transport to the site means the moving of packed or unpacked goods before and
during installation. Devices used for moving include:
-Trucks or other vehicles; ensure that they are capable of carryi
ng the load
-Fork-lifts
-Mobile and/or stationary cranes
-Ropes and chains.
All goods must be properly secured during transport to the site.
Special care has to be taking f-or the 3-phase Design 27 switch unit for rated
voltages up to 27 kV. It must only be fixed on the outer fixture seatings of the
housing (see Fi
g. 2) and must not be transported while standing on the parki ng feet
(23).
Note:
It is therefo re advised to use the pa ll et wh ich is part of the
packag
in g for transport to site because the switch unit is
accordingly held in position.
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Siemens Vacuum Recioser 3AD
, "
Fig. 2 Fixture seating of 3-phase Design 27
switch unit
23 Parking foot
31 Fixture seating
2.3.2 Check of completeness
Shipment and Storage
Use the dispatch note to check completeness of delivery. The dispatch note
includes the following information:
-Customer order item number
-Works order item number
-Content
in German and in a foreign language
-Number of cases
-Gross weight
Net weight
-Case dimensions.
Scope of delivery (deviations are possible based on ordering options):
-Switch unit
-Control cubicle with controller
-Cable (control cable plus optional sensor cable)
- 4 rechargeable lead acid batteries
-Pole mounting frame or substation frame (depending
on order).
Fig. 3 Switch unit and XL-CC in wooden
packaging
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Shipment and Storage
Siemens Vacuum Recloser 3AC
2.3.3 Check for external damage
Check for damages immediately after unloading when each case is accessible
from all sides.
For externally visible damages resulting from transport, the recipient shall observe
to the following:
-Note the damage immediately in the freight documents and have them
countersigned by the carrier.
-Ifthe damage is serious
or involves total or high damage costs, Siemens must
be informed immediately.
-Do not tamper with the damage and keep all packaging materials until a
decision has been made concerning inspection by carrier or by the transport
insurance company.
-Make a statement
of facts (or list of damage) on the spot with the carrier
concerned. This is essential for a claim for damages!
-Consult the reviewer immediately
in accordance with the stipulations of the
transport insurance companies.
-Open the damaged case(s) sufficiently to be able to ascertain the total extent
of
the damage.
-Name the damaged parts according to the operating instructions; ifnecessary
refer
to the illustrations in this instructions showing the parts concerned. This
makes identification
of the parts easier for the manufacturer.
-If possible, take photographs of the damage caused to the packaging and the
contents. This also applies for any evidence
of corrosion to the packed goods
as a result
of moisture ingress.
-Ensure that Siemens receives the statement
of facts (or a list of damage) as
quickly as possible (a copy is to remain on site). Contact the Siemens
representative responsible for the site, or the responsible Siemens agency.
Any return must be agreed with the manufacturer. You will receive
a Return Material Authorization from Siemens.
Please have a close look for damages at the pins of the control-
and sensor cable as well as at their connections.
Should hidden damage to the goods occur, i. e. damage which is only discovered
after receipt during unpacking, proceed as follows:
-Hold the party concerned for causing the damage liable as quickly as possible
and document in a statement of facts or a list of damage.
2.4 Unpacking
12
Vacuum Recloser 3AD is either packed in a wooden case or in a cardboard box. In
the following two sections unpacking from these cases is described.
& CAUTION
Danger from shifting weight or careless unpacking -personal injury or
material damage!
• Due to a shifting weight, injury and/or damage may be caused when
transporting the recloser by crane.
• In the case of careless unpacking, units and parts can cause damage to
each other.
• If shields on the poles are damaged, the switch unit must not be used and
it
must be returned in the original packaging.
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Shipment and Storage
2.4.1
For more detailed in formation please see the extra unpacking
manual, attached to the dispatch papers outside the case.
Unpacking information for re-usable wooden cases
1) Remove all screws from the cover and take off the cover (see F ig . 4).
2) Remove all screws from the sidewall and take it off (see Fi
g. 5).
-- ... .
Fi g. 4 Detaching the cover Fig. 5 Detaching sidewall
Please avoid damages to th e switch unit terminals.
3) Where applicable re move a ll screws f rom the partitions and take them out (s ee
Fi g. 6).
4) Lift the switch unit out
of its packagi ng by using suitable lifting tackle with at
least 2, 30 m rope length attached to the four lifting eyes (see Fig . 7) .
Fig. 6 Re mov i ng partit i ons
'"
o
! !
;
~ '
o
Fig. 7 Taking
off s wit ch unit
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Shipment and Stor ag e Siemens Vacuum Recloser 3AD
14
Note:
Damage to property
Control cubicle can tilt over while lifting and may crash against the
wall of the box.
For temporary storage put the control cubicle on a wooden base
(for example the partitions
of the carrier box) so that the connectors
will not be damaged.
Look for a safe stand!
5) Take out the additional components located underneath the switch unit (see
Fig.
8).
6) Lift the control cubicle out of its packaging by using the 2 upper lifting eyes (see
Fig.
9).
Fig. 8 Re moving addit io nal c omponen ts F
ig.9 Lif ting out off control cubicle
Note:
Damage to property
The control cubicle, Fig. 10, must not
be placed on the connections
for t
he control and sensor cable. If the batteries are installed, do
not lay the control cubicle on any side!
For interim storage at the assembly location, place the switch unit
Fig.
11 on a suitable ground. The feet are designed to support the
switch unit. Avoid damage to the position indicator and lock-out
handle,
e. g. caused by an uneven floor surface!
Any damage to the surface coating must be repaired with a touch
up pen (color RAL 7035) before commissioning. This
is essential to
ensure sufficient corrosion protection.
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Siemens Vacuum Recloser 3AD
Shipment and S to r age
44-----:;..
--44
63 /- SIEMENS
J
13
Fig. 10 XL·CC Fig.
11 Switch unit (3·phase Design 27)
44 Upper lifting eye (2x) 13 Lifting eye (4x)
63 Pole mounting bracket
2.4.2 Unpacking information for cardboard box
When cardboard boxes on pa ll e ts are used as transport units,
Switch Unit and Control Cubicle will be packed
in two separate
transport units.
The items c
an be identified by the seri al number in the shipping
documents.
For unpacking from cardboard box proceed
as follows:
1) Remove the plastic straps around the bo x.
2) Open the box from above.
3) Cut through the plastic straps around the switch unit or the control cubicle
respectively or remove the screws holding the switch unit
in place.
4) Proceed with step 4) or
6) described in section 2.4. 1.
2.4.3 Storage
,------------------------ - ----,
it CAUTION
Avoid damage to any units during storage -damage can affect subsequent
operation
• Pay attention to the carrying capacity ofthe storage area.
• Do not overload any goods by excessive stacking. Do not place heavy
goods on top of another.
The switch units should be arranged
in a way that the case number
is clearly visible.
The recloser can
be stored in its original transport packaging or outside for a
limited period under normal operating conditions.
When storing, ensure that the recloser is
in the following condition:
• Recloser contacts are open and recloser is switched OFF.
• "Manual handle" not actuated (lock-out handle
is pushed in).
• Remove the rechargeable batteries from the packaging, store them in an air-
conditioned room and re-charge them
at least every 6 months.
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Shipment and Storage
Si e m ~ns Vacu um Re cl oser 3AD
16
The storage room should be well-ventilated,
as dust-free as possible and dry. It
should have a temperature between
-30°C and +50 ° C. The relative humidity
should be kept below a level of approx. 50 %. If the relative humidity is more than
70 %, or the parts are stored outside, the anti-condensation heating provided in the
control cubicle and in the switch unit must be used.
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Siemens Vacuum Recloser 3AD De
scr ipt ion
3 Description
3.1 Recloser principle and design
Reclosers are used in overhead distribution systems. They are designed to switch
any current including making and breaking normal and fault currents. They are fully
equipped with sensors and the controller being the protection and control device.
Vacuum Reclosers 3AD are outdoor circuit-breakers designed for repeated tripping
and reclosing
in case of fault. One sequence can consist of up to five trips and four
recloses.
The Vacuum Recloser 3AD consists oftwo main components: Switch unit (Fig. 11)
and control cubicle (Fig. 10).
The development, design and testing ofthe Vacuum Recloser 3AD
is based on
current regulations and standards and state-of-the-art technology. The product
conforms to the following standards:
-IEC 62271-1 -IEC 60255-22-2 Class IV
-IEC 62271-111 -IEC 60255-22-3 Class
III
-IEEE C37.60 -IEC 60255-22-4 Class IV
-IEC 60255-11 -IEC 60255-22-5
-IEC 60255- 21-1 Class I - IEC 60255-22-6
- IE C 60255- 21 -2 Class I - IE C 60255-25
-IEC 60255- 21 -3 Class I -IEC 60255-5
-IEC 60255- 22 -1 Class III
3.2 Switch unit with embedded vacuum interrupters
The switch unit comprises the poles, the operati ng me chanism an d the housing. It
can be installed to a pole mounting or sUbstation frame (see chapter 4.2.2 or
4.2.6). Three swit
ch u ni t types can be distinguished:
-3-phase Recloser Design 27 (see Fig . 12 and Fi g. 13)
-3-pha se Recloser Design 38 (see Fig. 14 an d Fig . 15)
-1-phase Recloser (see Fig . 16 and Fig. 17).
Table Fig . 18 shows which of the three Recloser switch units is suitable for which
rating point.
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Description
Siemens Vacuum Recloser
18
.' -l- 26
27
11
23-
17 16
15 18
Fig. 12 Switch unit (3-phase Design 27) front Fig. 13 Switch unit (3-phase Design 27) rear
view
11 Operating mechanism housing
23 Parking foot
25 Pole with embedded vacuum interrupter
26 Upper terminal 3/4" -10 UNC
27 Lower terminal 3/4" -10 UNC
view
15 Name plate
16 Connector for control cable
17 Connector for sensor cable (optional)
18 Earth terminal for M12 (at rear or bracket
depending on model)
16 17 18
Fig. 14 Switch un.it (3-phase Design 38) fron t Fig. 15 Switch unit (3-phase Design 38) r ear
v iew
11 Operating mechanism housing
12 Side section with support foot
25 Pole with embedded vacuum interrupter
26 Upper terminal 3/4" -10 UNC
27 Lower terminal 3/4" -10 UNC
view
15 Name plate
16 Connector for control cable
17 Connector for sensor cable (optional)
18 Earth terminal for M12 (at
rearor bracket
depending on model)
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Siemens Vacuum Recloser 3AD
I
r 26
Fig. 16 Switch unit (1-phase) front view
11 Operating mechanism housing
12 Side section with support foot
25 Pole with embedded vacuum interrupter
26 Upper terminal 3/4" with terminal connectors,
generally used as source side
27 Lower terminal 3/4" with terminal connectors,
generally used as load
sid e
Recl ose r d esig ns
Description
18 - -~
15 ---'- -lIIi1llll
Fig. 17 Switch unit (1-phase) rear view
15 Name plate
16 Connector for control cable
17 Connector for sensor cable (optional)
18 Earth terminal M12 (at rear or bracket
depending on model)
Ur I
sc
Up
200A 400A 630A 800A
12 kV 12.5 kA
kA
15.5 kV 12.5 kA
6kA
24 kV
12 .5 kA
1
27 kV
38 kV
Fig. 18
Recloser designs
• 3-phase Recloser Design 27
0 3-phase Recloser Design
38
...
1-phase Recloser
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75 kV
75 kV
110 kV
110 kV
125 kV
125 kV
• •• •• ••
•• ••
• •• •• ••
•• ••
•• •• •• • •
. 0 . 0
•• •• •• • •
0 0
. 0 . 0
0 0
0 0
0 0
19

Description
Siemens Vacuum Recloser 3AD
3.2.1 Pole
The poles are made from cycloaliphatic epoxy resin, specially designed for outdoor
application, in which the vacuum interrupters embedded. Each pole contains a
current transformer and an optional voltage sensor.
~---29
28
Fig. 19 Pole for up to 27 kV (shown with
mounted 2-hole NEMA Pad)
28 Integrated voltage sensor (optional)
29 Integrated current transformer
Fig.
20 Pole for 38 kV
26 Upper terminal 3/4" -10 UNC
27 Lower terminal 3/4" -10 UNC
For the 3-phase-system the phase sequence is marked on the operating
mechanism housing by identification indents. (A =1 dent, B =2 dents
an d C =3
dents) This sequence is in line with the currents lA, Is and Ie of the controller.
B
~
A
~
14
Fig. 21 Marks on the operat ing mechanism
housing
14 Identification indents
A 1 dent
B 2 dents
C 3 dents
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