TRANSFORMERS
AFTERMARKET
TAPCHANGER RETROFITS
02
TRANSFORMERS
AFTERMARKET
GLOBAL AFTERMARKET
SUPPORT
BRUSH Transformers is globally renowned for the quality of its products, innovation and service. Our markets
include the utility, oil, petrochemical, coal, steel and rail industries worldwide. We focus on working with our clients
to provide solutions tailored to meet their exact requirements.
BRUSH Transformers has a dedicated Aftermarket service division to provide all services to all makes of
transformers, including but not limited to: BRUSH Transformers (BTL), South Wales Transformers (SWT) and Hawker
Siddeley Power Transformers (HSPT). These services include;
n Installation, service & commissioning
n Inspections
nM
aintenance programmes and service
nR
epairs on site or in our dedicated Loughborough facility
nS
pares
nC
ooler replacements
nH
ealth checks
nT
ransformer up rating
nO
il analysis
nT
ransformer relocation.
BRUSH Transformers Aftermarket are totally committed to providing the best possible service to all of its
customers, offering a complete after sales service, reinforced by quality assurance and a helpful, willing service
team.
Through approved external third party companies and site teams, we are able to offer this same level of first-rate
service across the globe, ensuring that we are able to reach every BRUSH Transformer, no matter where in the
world it is situated.
CONTENTS
04 BRUSH TAPCHANGERS
10 WHY RETROFIT?
06 AT TAPCHANGER
12 TAPCHANGER SERVICES
08 AE TAPCHANGER
14 SERVICE CENTRES
04
TRANSFORMERS
AFTERMARKET
BRUSH TAPCHANGERS
BRUSH Transformers are proud to be one of the very few transformer manufacturers that are able to supply its own
range of tapchangers. BRUSH Transformers are able to offer a complete range of tapchangers that are easy to maintain,
fully automatic or manual operation and feature the much coveted bi-directional power flow which can come as
standard on any new panel and more importantly, be retrofitted onto almost any third party transformer, replacing;
n Ferranti
n Crompton Parkinson
n AEI Models
n BRUSH
n Fuller
Our experienced site teams are able to completely retrofit these tapchangers with very minimal disruption to the
network. We guarantee peace of mind for our customers, knowing that you will be receiving a quality product that
outshines all others. This service will include the following steps, all carried out by our helpful Aftermarket team;
n Pre installation site visit
n Planning and methodology (i.e. cranes, heavy haulage )
n Risk assessment and method statements
n Disconnecting of the old unit and removal
n Fitting of a bespoke adaptor throat fabrication
(Joggle box)
n Fitting and connection of a new BRUSH MKIII AT Tapchanger
n Re-filling with new oil and commissioning
The retrofit option can greatly save money due to reduced yearly maintenance on older, existing tapchangers.
06
TRANSFORMERS
AFTERMARKET
AT TAPCHANGER
The AT range of single compartment units with high-speed resistor transition is designed for three-phase systems with
voltages of 44kV and 66kV line end or 132kV neutral end and nominal rated current of 300A.
A maximum of 17 tapping positions (16 steps) is possible for linear regulation and 33 tapping positions (32 steps) for
reversing of course/fine regulation.
The AT tapchanger is designed such that power flow can be handled in either direction at full-rated current. The AT is
a flange-mounted tapchanger where the oil in the switch compartment is kept separate at all times from the oil in the
main transformer.
n Compact
n Linear, reversing or coarse/fine versions
n Suitable for 52kV, star or delta windings
n 400A version (linear only)
n Suitable for 145kV star winding (neutral end only)
n Single-phase version available
n Vertically-mounted option also available
n Manufactured in accordance with IEC 60214 and also complies with many other national and international standards.
n Key features of AT and AE tapchangers
n Compact
n Bi-directional power flow
n High Speed Resistor on-load selector switch
n Ease of maintenance
n Low oil content
n Up to 17 positions (linear) or 33 positions (reverse or coarse/fine)
n Fully automatic or manual operation.
08
TRANSFORMERS
AFTERMARKET
AE TAPCHANGER
The AE series on-load tapchangers are built on the successful results of the design of the AT range. The AE uses many
common parts from the AT including the complete drive mechanism.
This range has a maximum of 17 tapping positions (16 steps) and is possible for linear regulation and 33 tapping
positions (32 steps) for reverse or course/fine regulation. The equipment may be used to regulate three-phase
transformers designed for system voltages of 33kV and 66kV at any position in the winding. The AE may also operate on
transformers designed for 132kV earthed neutral three-phase systems regulating at the neutral end of the winding. The
maximum current rating is 500A, with overload capability in accordance with IEC 60354 and IEC 60076-7.
n 500A current rating
n Suitable for 33kV or 66kV systems, line or neutral end
n Suitable for 132kV systems (neutral end only)
n Maximum 650kVA breaking capacity
n Designed in accordance with IEC 60214 and also complies with many other national and international standards
Benefits of the AT, ATV, and AE on-load tapchangers
n Lower overall maintenance times and costs to the end user
n Separate tapchanger oil ensures 100% accurate D.G.A of transformers
n Can easily be housed in noise enclosures
n Retrofit tapchangers more easily accommodated
n Better for anti-tracking surfaces.
10
TRANSFORMERS
AFTERMARKET
WHY RETROFIT?
Unfortunately, all things get older and with this, problems arise and issues are formed.
However, there is an effective, low-cost solution that prolongs the life of Transformers: Retrofits. Retrofits have the ability
to greatly improve your transformers performance and longevity, giving a worry free solution for many years to come. In
this case, replacement of tapchangers. Either original BRUSH products or third party products can be replaced with the
BRUSH AT or AE Tapchanger. There are many reasons for retrofitting;
n Control scheme upgrade
n Parts are hard to find
n OLTC in poor overall condition
n OLTC design obsolete
To counteract these reasons, we strongly suggest a retrofit. Retrofitting has a great many benefits including;
n Retrofitting can be done at a fraction of the cost of full replacements
n Greatly reduced lead times compared to new transformers
n Minimal distruption to the network
n Latest tapchanger technology
n Cost effective parts
n Full reverse power flow capability
n Increased network reliability - Reduced outages
nLow oil quantities.
n Remote control panels can be supplied to suit.
12
TRANSFORMERS
AFTERMARKET
TAPCHANGER SERVICES
BRUSH offers a team of fully skilled service engineers to provide full Aftermarket service available on site or in our
dedicated repair shop, 24/7.
SPARES
Spare parts are available for all modern and obsolete models of on-load tapchangers and off-circuit tap selectors. All
spare parts are genuine parts manufactured to the highest degree of quality, from original drawings, materials and
tooling.
FACTORY REPAIR WORK
In addition to manufacturing a full range of modern on-load tapchangers and off-circuit tap selectors.
BRUSH Transformers Aftermarket have a fully equipped repairs department, which specialises in the repair and
refurbishment of old tapchangers. We will arrange to remove the faulty equipment from site, return it to the factory,
repair or refurbish as required, return to site and install, test and commission as requested.
Main features include:
n Maintenance training
n Spare parts for tapchangers
n Routine maintenance
n Minor repair or overhaul
n Engineers site visit for assessment, inspection and
reports on the tapchanger
n Complete tapchanger overhaul and repair at our
factory
n Emergency repairs
n Retrofitting modern units to replace older
tapchangers allowing reduced maintenance costs
for the future.
14
TRANSFORMERS
AFTERMARKET
SERVICE CENTRES
COVERING EUROPE, AMERICAS & ASIA
BRUSH AFTERMARKET,
NOTTINGHAM ROAD,
LOUGHBOROUGH,
LEICESTERSHIRE
LE11 1EX,
UNITED KINGDOM
T + 44 1509 611511
WWW.BRUSH.EU
COVERING AFRICA
KBK POWER SOLUTIONS
KBK POWER SOLUTIONS
PO BOX 145, UMLAAS ROAD, 3730, RSA
T + 27 (0) 33 251 6107
WWW.KBKPS.CO.ZA
COVERING NEW ZEALAND & THE PACIFIC RIM
PEAK POWER
PEAK POWER SERVICES LTD
P O BOX 1207, QUEENSTOWN, NZ
T + 03-450 9007
WWW.PEAKPOWER.CO.NZ
COVERING AUSTRALIA
ENG-COM
ENG-COM PTY LTD
92 ORIENT AVENUE, MITCHAM, VICTORIA, 3132
AUSTRALIA
T + 61 3 9872 5229
WWW.ENGCOM.COM.AU
BRUSH GROUP HQ
NOTTINGHAM ROAD,
LOUGHBOROUGH,
LEICESTERSHIRE,
LE11 1EX, UNITED KINGDOM
T + 44 1509 611511
E SALESUK@BRUSH.EU
TRANSFORMERS
AFTERMARKET
T + 44 1509 612612
ESERVICE24@BRUSH.EU
www.brush.eu