Nexans offers full life-cycle maintenance services for fluid-filled high-voltage cable networks, including preventative maintenance, repairs, training, and end-of-life management. Their services include inspection, testing, repairs, emergency response, and environmentally-friendly recycling to help customers safely operate their cable networks for decades. Nexans has nearly a century of experience with fluid-filled cable manufacturing, installation, and maintenance worldwide.
The document reviews Endress+Hauser's competence in hydro-electric power generation. Major Applications for instrumentation related to pressure, flow, level and temperature measurements.
Connecting offshore platforms to a subsea cable system Jerry Brown
This presentation covers some of the key points and lessons learned from the implementation of a 1300km long submarine cable system in the Gulf of Thailand.
• The driver for the project was to improve offshore communications (based on performance, reliability and security) by means of a fiber optic cable network.
• The Oil and Gas Companies chose to select a carrier model rather than take ownership of the subsea system
The document reviews Endress+Hauser's competence in hydro-electric power generation. Major Applications for instrumentation related to pressure, flow, level and temperature measurements.
Connecting offshore platforms to a subsea cable system Jerry Brown
This presentation covers some of the key points and lessons learned from the implementation of a 1300km long submarine cable system in the Gulf of Thailand.
• The driver for the project was to improve offshore communications (based on performance, reliability and security) by means of a fiber optic cable network.
• The Oil and Gas Companies chose to select a carrier model rather than take ownership of the subsea system
Nexans 33kv cables for onshore windfarm projects are now available with a conductive outer skin on the protective sheath, this innovative feature assists the installer in testing for sheath damage.
This conductive outer skin feature represents one of Nexans "Windfarm Innovations Program" which covers a range of features for cables and associated services which can improve the overall efficiency of an onshore windfarm installation through reducing installation time and overall costs.
The cables used to convey power between the wind turbines and the collector substations are laid directly in trenches which can often cross challenging terrain. A common problem on sites is that the cable sheaths are damaged by stones or other obstacles during laying but this damage is not discovered until the cable is buried and testing is being carried out.
On standard cables, in order to make a "sheath test" (which measures the resistance between the cables metallic screen and the outer sheath layer), the outer sheath needs to be in contact with moist soil/sand to provide a return electrode for the test. This means the test can only be performed satisfactorily once the cable is buried in the ground.
By supplying cables which have a very thin skin of conductive material, testing can be done without the need for the cables to be buried. An initial test can be made whilst the cable is still on the drum to establish whether the cable sheath is intact before beginning to lay it in the ground, the test can then be repeated as soon as the cable is laid in its’ final position before the cables are blinded with soil or sand.
Any damage to the sheath can found from the test and repaired without the expense and lost time of having to excavate the surrounding soil /sand. A further feature is to have the sheath in a natural colour with the conductive skin as black. This assists in the identification of any sheath damage as the natural colour of the sheath is visible through the black layer at the site of damage.
The semiconductive layer is also a perfect way to detect sheath errors of cables installed in ducts. Even if the duct is dry during installation; this may change during its’ lifetime. Once water has entered a duct it normally stays there and may damage a cable with an existing sheath error in this area. With a conductive layer the cables can be tested before and after installation into ducts to be sure no sheath error is present which could reduce the cables’ lifetime.
Amphenol Telect offers high-quality solutions with superior cable management features designed to protect your fiber optic network. Here are six key tips for protecting your fiber optic network and ensuring the long-term health of your fiber cables.
For more cable management tips, check out our ABCs of Cable Management blog series: https://www.telect.com/About/Telect-Blog/tag/ABCs%20of%20Cable%20Management
T&D are distributors for ABB Kabeldon High Voltage Cable Joints, Cable Terminations and Screened Separable Connectors for high voltage XLPE cable terminating and jointing 11kV, 24kV and 33kV. ABB HV cable connectors are premolded screened separable connectors for terminating and connecting XLPE insulated single or three core cables with copper or aluminium conductors, 11-24kV-33kV, into high voltage switchgear and transformers.
ABB connectors terminate high voltage cables with copper wire and copper tape screens, with or without aluminium (AWA) or steel wire armour (SWA) inot switchgear and transformers.
The protection comprises a protective covering on the guide to forestall contemporary spillage. They are ranked into two huge groups - thermoplastic and thermoset. That facilitates the selection of multiple suitable cables for your needs, avoiding possible errors in the supply of one cable by another.
Nexans 33kv cables for onshore windfarm projects are now available with a conductive outer skin on the protective sheath, this innovative feature assists the installer in testing for sheath damage.
This conductive outer skin feature represents one of Nexans "Windfarm Innovations Program" which covers a range of features for cables and associated services which can improve the overall efficiency of an onshore windfarm installation through reducing installation time and overall costs.
The cables used to convey power between the wind turbines and the collector substations are laid directly in trenches which can often cross challenging terrain. A common problem on sites is that the cable sheaths are damaged by stones or other obstacles during laying but this damage is not discovered until the cable is buried and testing is being carried out.
On standard cables, in order to make a "sheath test" (which measures the resistance between the cables metallic screen and the outer sheath layer), the outer sheath needs to be in contact with moist soil/sand to provide a return electrode for the test. This means the test can only be performed satisfactorily once the cable is buried in the ground.
By supplying cables which have a very thin skin of conductive material, testing can be done without the need for the cables to be buried. An initial test can be made whilst the cable is still on the drum to establish whether the cable sheath is intact before beginning to lay it in the ground, the test can then be repeated as soon as the cable is laid in its’ final position before the cables are blinded with soil or sand.
Any damage to the sheath can found from the test and repaired without the expense and lost time of having to excavate the surrounding soil /sand. A further feature is to have the sheath in a natural colour with the conductive skin as black. This assists in the identification of any sheath damage as the natural colour of the sheath is visible through the black layer at the site of damage.
The semiconductive layer is also a perfect way to detect sheath errors of cables installed in ducts. Even if the duct is dry during installation; this may change during its’ lifetime. Once water has entered a duct it normally stays there and may damage a cable with an existing sheath error in this area. With a conductive layer the cables can be tested before and after installation into ducts to be sure no sheath error is present which could reduce the cables’ lifetime.
Amphenol Telect offers high-quality solutions with superior cable management features designed to protect your fiber optic network. Here are six key tips for protecting your fiber optic network and ensuring the long-term health of your fiber cables.
For more cable management tips, check out our ABCs of Cable Management blog series: https://www.telect.com/About/Telect-Blog/tag/ABCs%20of%20Cable%20Management
T&D are distributors for ABB Kabeldon High Voltage Cable Joints, Cable Terminations and Screened Separable Connectors for high voltage XLPE cable terminating and jointing 11kV, 24kV and 33kV. ABB HV cable connectors are premolded screened separable connectors for terminating and connecting XLPE insulated single or three core cables with copper or aluminium conductors, 11-24kV-33kV, into high voltage switchgear and transformers.
ABB connectors terminate high voltage cables with copper wire and copper tape screens, with or without aluminium (AWA) or steel wire armour (SWA) inot switchgear and transformers.
The protection comprises a protective covering on the guide to forestall contemporary spillage. They are ranked into two huge groups - thermoplastic and thermoset. That facilitates the selection of multiple suitable cables for your needs, avoiding possible errors in the supply of one cable by another.
Each power cable has a common designation. Parts of Electric Cable Wires used in electrical circuits are of multiple types but, all consist of the following main parts.
Offshore wind farms consist of a number of wind turbine generators. A grid of cables interconnects the generators and brings the power to shore. Cable links that connect offshore wind farms to shore contribute to sustainable electricity distribution. The know-how for installing transmission cable interconnections is a valuable asset for the offshore wind industry.
It has been observed that a number of challenges have been faced by offshore wind industry for cable installation and maintenance, which is evident from the fact that ~70% of the insurance claims from offshore wind farm operations relate to cable damage. Hence, it is imperative to adapt the method which is not only advantageous for long transmission and connections but is also cost effective.
This report describes a good practice for the installation of offshore wind transmission cables. It provides an overview of the primary economic & technological drivers related to cable installation and global industry players. It also offers an evaluation of innovations that could assist in driving down the cost of the installation and maintenance of cables in offshore wind farm operations.
Licensing for ASPCA cabling system for saleclivemclean
This cabling system is currently recognized around the World as the ASPCA Cabling System. The applications run from Elevator Cables for First Responder use to alarms and emergency lighting and ventilation systems all that cannot fail in terms of function. The APSCA Cabling system is currently CSA International C22.2 No.267-10 approved, UL/ULC FHIT 17 CI Level 3, and UL-S139C /UL1726 Fire Rated, BRE/LPCB Europe Approved, and the only cabling system approved for retrofitting or upgrading Nuclear Facilities in the world to full digital control system status.
Expert interview with Nexans - the 66kV cabling technologyTorben Haagh
Stefaan Mensaert, Product Line Manager Renewables at Nexans gave us the opportunity to talk to him about 66 kV cables, junction boxes and connectors. As an experienced cable manufacturer, he gave us some answers to the following topics:
- Major challenges to overcome in order to deliver 66 kV XLPE insulated submarine cable and the accessories, junction boxes and connectors
- What kind of tests they executed to ensure quality and high performance of 66 kV cabling technology
- Nexans and the Blyth project in the UK
- Future for offshore wind energy 66 kV inter-array cabling
http://bit.ly/2fLLn2c
To full fill the custom demands of the transport equipment industry, Lapp provides a variety of application based connectivity solutions and much more.
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Isolation Procedures for Safe Working on Electrical Systems and Equipment by the JIB | solation Procedures for Safe Working on Electrical Systems and Equipment
This chart shows the safe isolation procedure that you should use when working on electrical systems and equipment.
You'll receive a printed copy of this from your Training Provider, but it's also here as a handy reference to keep electronically.
THE RULES OF SAFE ISOLATION ARE:
Obtain permission to start work (a Permit may be required in some situations)
Identify the source(s) of supply using an approved voltage indicator or test lamp
Prove that the approved voltage indicator or test lamp is functioning correctly
Isolate the supply(s)
Secure the isolation
Prove the system/equipment is DEAD using an approved voltage indicator or test lamp
Prove that the approved voltage indicator or test lamp is functioning correctly
Put up warning signs to tell other people that the electrical installation has been isolated
Once the system/equipment is proved DEAD, work can begin
Uploaded by THORNE & DERRICK LV HV Jointing, Earthing, Substation & Electrical Eqpt | Explosive Atmosphere Experts & ATEX IECEx.
THORNE & DERRICK based in the UK are international distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment.
Since 1985, T&D have established an international reputation based on SERVICE | INTEGRITY | TRUST.
Contact us for 3M, ABB, Alroc, AN Wallis, CATU, Cembre, Centriforce, CMP, CSD, Elastimold, Ellis Patents, Emtelle, Euromold, Filoform , Furse, Lucy Electric & Zodion, Nexans, Pfisterer, Polypipe, Prysmian, Roxtec, Sicame, WT Henley.
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Protect The Value Of Your HV Fluid-Filled Cable Network - Nexans
1. Protect the value of your HV fluid-filled cable network
through full life-cycle maintenance
2. … a complete network service package
Since the 1930s, Nexans and its
parent companies have pioneered
fluid-filled high-voltage cables and
accessories which have been
constantly improved to deliver power
in many environments, including
underground, tunnels, shafts and
at deep ocean depths. This long-
stabilized technology provides
excellent operational data, allowing
you to monitor, foresee, and quickly
resolve transmission problems.
In fact, for long-distance, high-voltage
submarine DC transmission,
the capacity of fluid-filled cables
is still unsurpassed. Later, Nexans
developed an entire range of next-
generation XLPE (cross-linked
polyethylene) insulated cables,
commercializing them in the nineties.
Today, they are steadily replacing
fluid-filled cables both underground
and undersea. However, precious
knowledge and skills about fluid-
filled cable maintenance has been
carefully kept alive to assure you of
operational continuity and a smooth
transition to the power transmission
systems of the future.
Fluid-filled cables
Nexans has nearly a century of experience
behind it in the manufacturing, installation
and maintenance of all types of fluid-filled
cables for specific international markets:
• Low Pressure Oil Filled (LPOF)
• High-pressure fluid-filled or pipe-type
• External gas-pressured
• Internal gas-filled (MIG)
Accessories
Because no power transmission system
can be stronger than its weakest link, this
manufacturing capacity is complemented
by the production of all essential accessories:
• transition and stop joints
• terminations
• fluid pressure tanks
• high-pressure pumps
• oil-conditioning and regeneration plants
• evacuation and fluid-feeding systems
• test equipment
• alarm and monitoring equipment
XLPE innovation
Since the nineties, Nexans has developed
a next generation of XLPE (cross-linked
polyethylene) cables which consists of
a stranded copper or aluminum conductor
with an extruded insulation system protected
by a metallic shield and an outer sheath.
XLPEs offer flexibility, lightness and strength.
They need no fluid-pressure system,
are maintenance-free, and can handle
conductor temperatures up to 90°C.
Complete service concept
Nexans complete service concept
is unique in that not only do we continue
to manufacture all HV cable types,
we provide customized accessories,
and full life-cycle maintenance support
for all technologies (both fluid-filled
and XLPE). We also offer the best solution
for combining and integrating oil-filled
and XLPE cables in one network.
Finally, we offer you a seamless,
cost-efficient and environmentally-friendly
upgrade/migration path to tomorrow’s
all-XLPE networks.
3. Today’s electrical power networks
worldwide often consist of successive
generations of time-proven paper-
insulated, fluid-filled cables − mass-
impregnated, low and high-pressure −
which have functioned efficiently for many
decades. During the eighties and nineties,
these buried or submarine cables were
often replaced by next-generation XLPE
(cross-linked polyethylene) cables.
Thus, as grids continued to expand and
evolve, several cable types often co-existed
in a complex transmission network which
also included a host of high-voltage
accessories, all of which need careful
monitoring and maintenance.
As an electrical generation or transmission
utility, new power provider, or private
industrial plant owner, you would like to
see your network survive well beyond its
projected life-span of about forty years,
without compromising safety, quality of
service, and power availability for your
growing customer base. Even though
electrical installations are considered near
zero-maintenance systems, circuits can
still fail, causing serious disruption and
even blackouts. That is why Nexans has
developed a full-maintenance package
that meets your long-term expectations.
Ensuring energy availability requires…
What you expect from
a cable producer:
• Life-cycle management, from feasibility,
budgeting, planning to final disposal/
replacement
• Expertise and practical experience about
every aspect of fluid-filled technologies
• Customized service adapted to existing
and future power network developments
• Regular checkups and preventive
maintenance to detect and resolve
potential problems
• 24-hour hotline availability and a rapid-
response emergency repair service
• Cost-savings through reduced inventory
and modular service solutions
• Advanced testing and simulation facilities
for high-voltage circuits
• Ongoing training in both old and
new cable/accessory technologies
• Environmentally-safe oil draining,
dismantling and recycling of old cables
• Seamless and cost-efficient transition
to next generation power transmission
ECO
friendly
ECOfriendly
ECO
4. Because a large part of your network
consists of fluid-filled cables, you
want full life-cycle availability and
security for your existing power
transmission network for at least
another 10-15 years: from planning,
installation, operation and
maintenance through to final
disposal and environmentally-safe
renewal. Only an active
manufacturer of traditional fluid-
filled cables and accessories and
latest-generation HV cables can
provide Through-Life Support (TLS),
either as single modules adapted to
your special needs, or as a complete
service package.
1. Prevent
Nexans listens closely to the customer
to determine a network’s sensitive points
and draws up a regular checkup protocol.
Accessible junction rooms are punctually
cleaned if necessary, and monitoring
systems tested. All maintenance work
is carefully planned, and fees are pre-
determined. Oil quality is analyzed and
the circuit route examined, with subsequent
environmental modifications identified.
Already, the customer decides which
components are essential and which are
low-risk and can be reserved and stored
on Nexans premises, thus cutting
unnecessary inventory and saving money.
A to Z service to safeguard your energy investment
2. Correct
Light maintenance is the standard service
option, and involves adding fluids to
cables when necessary and repairing
minor and localized leakage, mostly in
accessories and terminations. Equipment
used to control and monitor pressure
and temperature is regularly checked, and
any necessary repairs are undertaken by
experts. Experienced oil/fluid maintenance
engineers and cable jointers are a part
of the team. Because accessories are vital
to network operations, any defects or failings
are detected, disassembled and replaced
quickly with minimal disruption to service.
3. Intervene
Heavy intervention is a contract option to
deal with serious breakdowns. Since only
emergency stock is stored on the customer
site, operational and repair costs are
reduced. When an incident occurs needing
quick intervention, a single phone call
to the Nexans hotline mobilizes an often
international team who bring the situation
under control within hours. An emergency
team is dispatched to resolve the problem
by moving cables, detecting and repairing
leakage, or carrying out transition joints
between XLPE and oil-filled cables.
On our own installations, repairs are often
customized solutions.
4. Train
The fact that fluid-filled cables have
survived the test of time has also meant
that expert knowledge has inevitably
declined among power utilities, installers
and suppliers. That is why Nexans is
dedicated to keeping expertise alive
through special training programs,
both internally and for its customers.
The Nexans High Voltage Training Center,
based in Switzerland, is aimed at
standardizing installation and methodology,
and providing both theoretical and basic
training for everyone involved in high-
voltage cable systems: jointers, engineers,
maintenance personnel, network
managers, etc.
5. Replace
End-of-life management is a growing
concern, both to protect the environment
and to assure future network expansion.
Nexans has patented a safe way for draining
oil in cables with a special eco-friendly
mixture that reduces residue to a minimum.
Then, the cables are excavated and
recycled as secondary raw materials.
A Nexans retrofitting solution saves civil
engineering costs by using existing
ducts for fluid-filled cables to house next-
generation XLPE cables. With a vast range
of high-voltage cables available, a power
transmission network can continue to grow
in a sustainable way.
5. From rapid response to round-the-clock service
Since time is an essential part of preventive
action and troubleshooting, Nexans offers
a “rapid response” service whereby service
customers who experience faults during
normal working hours can ring a special
free hotline to reach our on-call staff.
Without being diverted via a call center,
network operators can contact experts
in high-voltage systems immediately,
and receive assistance on the telephone
while experienced personnel with special
tools are dispatched to right where
they are needed. If full, round-the-clock
coverage is needed, a Premium Hotline
Service is available 24/7.
Power transmission renewal,
a global concern…
Fluid-filled cable technologies are
predominant worldwide and continuing
to age with every year of operation.
Responsible power utilities and providers
are already looking for integrated solutions
to maintain, protect and revitalize their
networks.
Nexans is especially well-placed to serve
five core European countries with extensive
fluid-filled cables in their national networks:
France, Germany, Belgium, Switzerland
and Norway.
Moreover, with our global manufacturing
presence we can also provide fluid-filled
cables, accessories, maintenance, and
upgrades internationally to other European
countries and far beyond…including
Eastern Europe, the Middle East, North
and South America, Australia and
Southeast Asia.
...that calls for a global Nexans
service response
• In France, Nexans has a long-term
partnership with RTE for transmission
networks and EDF, especially for networks
around nuclear power plants.
• In Belgium, Nexans has a long-term
partnership with Elia for transmission
networks and Electrabel product
networks around nuclear power plants.
• Nexans widely present on the Swiss,
German and Belgian power utility markets.
• In South America, Nexans is managing
maintenance for Edenor, Argentina’s
biggest power distributor.
• Nexans has been providing power
transmission cables for Kuwait, Saudi
Arabia and the Middle East, including
testing, regular maintenance and
eventually purging of fluid-filled cables.
• Nexans in Norway has pioneered long-
distance DC high-voltage submarine
cables which have allowed international
energy transmission, and made it
possible for offshore windfarms
to efficiently transmit power to distant
domestic grids.