ATL Transformers T2914 Manual de usuario

O&M MANUAL
Class I PSP/ASP Transformer 3ph 400/650V
Lightweight Aluminium Range
English
Francais
atl
TRANSFORMERS
Copyright © ATL Transformers Ltd 2019 Doc Ref TECH148 Issue 1

2Copyright © ATL Transformers Ltd 2019Doc Ref TECH148 Issue 12
CONTENTS
1.
2.
3.
4.
1.1 SAFETY NOTES...................................................................................................... 4
3.1 MOUNTING WITHIN APPARATUS HOUSING..................................................... 8
2.1 KEY PSP/ASP ECO-RAIL® FEATURES .................................................................. 6
4.1 ROUTINE MAINTENANCE.................................................................................. 10
3.3 VOLTAGE ADJUSTMENT ...................................................................................... 9
4.3 MAINTENANCE AFTER FLOODING ................................................................... 11
1.2 PURPOSE............................................................................................................... 5
3.2 CABLE CONNECTION........................................................................................... 9
2.2 PRODUCT OPERATION........................................................................................ 7
4.2 TESTING IN SERVICE .......................................................................................... 10
4.4 SPARE PARTS ...................................................................................................... 11
INTRODUCTION
PRODUCT INSTALLATION
PRODUCT DESCRIPTION
PRODUCT MAINTENANCE
5.
TRAINING & COMPETENCE ..................................................................................... 11
TRAINING & COMPETENCE
6.
6.1 DATA SHEET REFERENCE .................................................................................. 10
6.3 DECLRATION OF CONFORMITY........................................................................ 12
6.2 NR COMPONENT APPROVALS.......................................................................... 11
PRODUCT MAINTENANCE
7.
MANUFACTURER CONTACTS.................................................................................. 12
MANUFACTURER CONTACTS
1.3 GUARANTEE.......................................................................................................... 5

Copyright © ATL Transformers Ltd 2019 Doc Ref TECH148 Issue 1 3
ECORAIL® PSP/ASP TRANSFORMER RANGE................................................... 15-16
8.
REGULATORY REQUIREMENTS.............................................................................. 13
REGULATORY REQUIREMENTS
CONTENTS
9.
FREQUENTLY ASKED QUESTIONS .................................................................... 14-15
FREQUENTLY ASKED QUESTIONS
10.
PRODUCT WARRANTY ............................................................................................. 15
PRODUCT WARRANTY
11.
END OF LIFE DISPOSAL............................................................................................ 15
END OF LIFE DISPOSAL
12. ECORAIL® PSP/ASP TRANSFORMER RANGE
APENDIX B: LABEL DETAILS .................................................................................... 18
APENDIX A: GA DRAWING ....................................................................................... 17
APENDIX C: WIRING DIAGRAMS ............................................................................ 19
Version Implemented
By
Revision
Date
Approved
By
Approval
Date Reason
1 N.D.H. 24/04/17 B.M. 24/04/17 O&M Manual Creation

4Copyright © ATL Transformers Ltd 2019Doc Ref TECH148 Issue 1
1. INTRODUCTION
SAFETY PRECAUTIONS
GENERAL
The need for Personal Protection Equipment (PPE) must be as-
sessed prior to undertaking installation or maintenance
operations.
HEAVY
EQUPMENT
All manual handling must be in accordance with the Manual
Handling Operations Regulation 1992
LETHAL VOLTAGES
Electrical power within this system/equipment is at a level
considered, by the low voltage directive 73/23/EEC, to be
sucient to kill.
Always assume conductors are live until proved dead.
Before attempting any maintenance task, ensure that equipment
is isolated from electrical supply.
When the electrical supply cannot be isolated,
testing/maintenance tasks are to be undertaken only by
personnel who are aware of the dangers involved and after all
necessary precautions have been taken.
WORKING PRACTICES
Unauthorized interruption of the system may endanger the safe
operation of the railway. Before attempting any maintenance on
the equipment, obtain the necessary permission from the rele-
vant authority. Ensure the consequence of any interruption has
been fully considered and understood.
If a component or equipment becomes overheated or burnt, a
toxic fume hazard may exist. Isolate the power to the
equipment, ventilate the area and allow the equipment time to
cool before carrying out repairs.
This equipment does not liberate any toxic or injurious gases
during normal operation.
When working on equipment, especially in the connes of a case,
do not wear metal rings, bracelets, watches, etc. These articles
can cause personal injury or damage to equipment by becoming
entangled in components or causing a short circuit.
1.1 SAFETY NOTES

Copyright © ATL Transformers Ltd 2019 Doc Ref TECH148 Issue 1 5
1.2 PURPOSE
This O&M Manual denes the operating & Installation guidelines for the ATL Transformers, 10
- 150KVA range of aluminium 400/650V PSP/ASP transformer ranges for use within a standard
Network Rail approved Principal Supply Point.
1.3 GUARANTEE
The function and safety of the equipment is only guaranteed if the warning and safety
instructions included in this manual are adhered to.
ATL Transformers Ltd is not liable for any personal injury or damage to property that occurs as a
result of the warning and manual being disregarded.
ATL Transformers Ltd does not accept any liability or warranty for damage due to the use of
non-approved spare parts and accessories.

6Copyright © ATL Transformers Ltd 2019Doc Ref TECH148 Issue 1
Secondary Class I Entry
Remove gland plate to for cable entry
for Class I Secondary Connections
2. PRODUCT DESCRIPTION
2.1 KEY PSP/ASP eco-rail® FEATURES
The enclosed transformer has an ingress protection level of IP32 and is suitable for indoor
Railway Installations. Primary & Secondary Class I terminals are segregated within separate
terminals on the transformer. The Transformer features a tap changer which allows quick and
simple tap selection.
Gland Plate
Enclosure
Lid
Tap Selector
Primary Class I Entry
Remove gland plate to for cable entry
for Class I Primary Connections
Enclosure
Side Plate
Enclosure
Front Plate
Mounting Feet

Copyright © ATL Transformers Ltd 2019 Doc Ref TECH148 Issue 1 7
2.2 PRODUCT OPERATION
Supplied as standard for Class I distribution systems this range of transformers are designed
to be fed from a nominal 50Hz supply voltage (+4% to -6%). Input and output cables are to be
routed through the gland plates provided with suitable conduit and glands, terminated above
the transformer Internally to the screw clamp terminals provided. Conduit should meet the
requirements of NR/L2/SIGELP/27410 Issue 2 & NR/L2/SIGELP/27421 & 27422.
●On class I models an earth terminal is provided and shall always be connected to the
protective earth network.
●Cable glands shall always be removed where hole proles for conduit are being made. Never
drill holes on transformer panels in situ as swarf can enter the enclosure and short circuit the
magnetics when energized.
●All cabling should meet the requirements of NR standards: NR/L2/SIGELP/27410 Issue 2 and
NR/L2/SIGELP/27421 & 27422

8Copyright © ATL Transformers Ltd 2019Doc Ref TECH148 Issue 1
DD
DE
Dimensioning
The transformers shown in general arrangement
drawings in Appendix A are designed to be securely
xed to a secure and level base. If Integrating within
switch panel ensure that the plinth bar work is capable
of bearing the weight of the transformer. Footprint and
xing points are summarised with the tables of Appendix
1.
Repercussions
Due diligence and care should be taken not to damage
any installed cable entry glands or couplings during the
installation process as this could compromise the safety
integrity of the unit. In the event that the paint nish
is damaged during installation a touch up pen is available
for aesthetics however paint is supplementary to the
base material and not critical to the units operational
integrity.
3.
Lifting
Safe lifting practices should be observed when handling
heavy transformers. These units can be lifted using a
forklift or pallet truck, ensure that the transformer is
secure before transporting. Please refer to weights in
Appendix A and consult the manufactuer’s forklift/pallet
truck manual before lifting.
2.
3. PRODUCT INSTALLATION
3.1 MOUNTING WITHIN APPARATUS HOUSING
A. Always ensure that there is 100mm clearance around the transformer taking care not
to obstruct or impede on the transformers cooling louvres.

Copyright © ATL Transformers Ltd 2019 Doc Ref TECH148 Issue 1 9
Primary & Secondary terminals are accessible within the enclosure by removal of the
transformer lid. Cables glands are provided either side of the enclosure for cable access and are
removeable for customization of gland and cable entry requirements.
●On class I models an earth terminal is provided and shall always be connected to the
protective earth network.
●Cable glands shall always be removed where hole proles for conduit are being made. Never
drill holes on transformer panels in situ as swarf can enter the enclosure and short circuit the
magnetics when energized.
●Cables should be installed correctly and not resting on top of the transformer core. Adequate
bend radius’s should be observed on the installed cables and all terminals checked for good
compression prior to energization.
●All cabling should meet the requirements of NR standards: NR/L2/SIGELP/27410 Issue 2 and
NR/L2/SIGELP/27421 & 27422
INPUT: Monitor the supply voltage with a calibrated DVM to check your distribution is within
tolerance +4%/-6%. Connect Supply cables to the provided Input Voltage terminals ensuring they
are routed through suitable conduit and secure before energizing the transformer.
OUTPUT: The output tap selector facilitates feeder Voltage adjustment, this can be used to reset,
reduce or boost output voltages according to your feeder requirements. Connect Output cables
to the provided terminals ensuring they are routed through suitable conduit and secure. Select
the required output voltage using the on-board tap selector and reinstate the transformer lid
before energizing the transformer.
3.2 CABLE CONNECTION
3.3 VOLTAGE SELECTION
0
(0) OFF
(6) +5%
(T682)
(5) +2.5%
(T666)
(7) +7.5%
(T699)
(2) -5%
(T617)
(3) -2.5%
(T634)
(1) -7.5%
(T601)
(4) 650V
On-Load Tap Selector
The Voltage Selector can be found on the front of the
enclosure at the top left, the tap selector automatically
turns on a 45° and can be turned a full 360° clockwise
or anti-clockwise with 8 dierent settings. The standard
output for 3ph PSP/ASP range is 650V.
1.
NOTE: - The on-load tap selector should not be used for isolation and that the
transformer should be isolated from the supply before removing covers.

10 Copyright © ATL Transformers Ltd 2019Doc Ref TECH148 Issue 1
1. Isolate incoming supply, when isolated remove transformer lid and disconnect Input supply
and Secondary Output connections.
2. Using a calibrated 500V d.c insulation resistance tester check insulation resistance. Primary to
body (Earth) Secondary to body (Earth) & Primary to Secondary.
3. Check incoming supply voltage at protection, If within tolerance Isolate supply at the
protection and connect Incoming supply cables onto the respective transformer terminals.
4. Using a DVM and with the transformer energised, safely check at the output terminals
secondary tap voltages are within 2% using the tap selector to cycle transformer taps
accordingly. Check Secondary tap voltages which should be within 2% of the terminal voltage.
5. Isolate Supply and when safe re-connect Secondary Output cables.
6. Energise the transformer and using a calibrated ammeter check the load current.
Relevant safety checks & testing should be conducted in addition to these checks & in line with
Network Rails controlled safety & inspection procedures prior to energizing the transformer.
4.2 TESTING IN SERVICE
These units are non serviceable and require observational maintenance only to their Terminals,
cables and enclosure panels which must be intact and installed as originally supplied.
Always ensure that there is 100mm clearance around the transformer taking care not to
obstruct or impede on the transformers cooling louvres.
Do not place any foreign bodies on top of the enclosure lid or inside the transformer housing.
This does not supersede any maintenance tasks or scheduling procedures network rail deem
necessary and set in accordance with. NR/SP/SIG/10661 Signalling Maintenance Task Intervals.
Each unit is provided with a serial number and part code reference. This Information is located
on the transformer rating plate and should be quoted at any Point where the unit is examined
and suspected to be compromised.
4. PRODUCT MAINTENANCE
4.1 ROUTINE MAINTENANCE
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