OHL AC Cable DC Cable Submarine

Size: px

Start display at page:

Download "OHL AC Cable DC Cable Submarine"

Chester Kelly
6 years ago
Views:

1 OHL AC Cable DC Cable Submarine

2 HVAC Innovative Applications Focus on reliability and safety From high energy city links to regional reinforcements John Owen Business Development Manager Nexans - Land High Voltage BL, UK Mobile: +44 (0) john.owen@nexans.com

TUNNEL APPLICATIONS up to 500kV Extra High Voltage

transmission in megacities Full range of 500kV

IEC and CPR Protecting people s lives and your

smoke Unique mechanical properties of LFH outer

3 TUNNEL APPLICATIONS up to 500kV Extra High Voltage Intra-City power link Growing demand for power transmission in megacities Full range of 500kV accessories qualified Low Fire Hazard cables acc. IEC and CPR Protecting people s lives and your assets Reducing spread of fire and low corrosive smoke Unique mechanical properties of LFH outer sheath TEPCO, Tokyo I Nexans High Voltage Energy Transmission 2017

150-400kV PARTIAL UNDERGROUNDING Bring OHL underground in residential areas To bypass

with high performance conductors Speed up permitting phase and safe copper costs (Cu

performance LO-SAG OHL conductor Raesfeld, Germany: Successful partial undergrounding

4 kV PARTIAL UNDERGROUNDING Bring OHL underground in residential areas To bypass cities or OHL critical areas to reduce visual impact Extra High Voltage Cable system with high performance conductors Speed up permitting phase and safe copper costs (Cu enameled) Stevin, Belgium: High energy underground cable meets safe and high performance LO-SAG OHL conductor Raesfeld, Germany: Successful partial undergrounding implementation BEWAG 2, Berlin is powered since I Nexans High Voltage Energy Transmission 2017

132-220kV OFF and ONSHORE Windfarm export cable systems From

Engineering Design Submarine and underground land connections

system design with low overall TCO Alu solid / segmented

5 kV OFF and ONSHORE Windfarm export cable systems From initial study to turnkey principal contractor delivery Front End Engineering Design Submarine and underground land connections Geotechnical surveys Installation & HSE Engineering Lead free system design with low overall TCO Alu solid / segmented conductors Laser welded aluminum sheath 5 I Nexans High Voltage Energy Transmission 2017

ECONOMIC CABLE SYSTEMS REGIONAL REINFORCEMENT AND MOVING OHL

segmented conductors Copper segmented conductors Copper or alu

sheath Fiber Optic for asset diagnostics Full set of Nexans

6 ECONOMIC CABLE SYSTEMS REGIONAL REINFORCEMENT AND MOVING OHL UNDERGROUND Customized lead free HV Cable systems Alu solid or alu segmented conductors Copper segmented conductors Copper or alu screen Al-foil or alu laser welded sheath LZH / SC layer outer sheath Fiber Optic for asset diagnostics Full set of Nexans accessories qualified 6 I Footer can be personalized as follow: Insert / Header and footer I Date

XLPE PIPE TYPE CABLES Replacing High Pressure

be replaced using existing pipe Reduces civil

improvements of power capacity Type Tested up

245kV dry transition joint pipe type to XLPE

7 XLPE PIPE TYPE CABLES Replacing High Pressure Paper Cables Fluid or gas pressured cables can be replaced using existing pipe Reduces civil works, only open of old joint bay In most cases improvements of power capacity Type Tested up to 245kV including joints and terminations 245kV dry transition joint pipe type to XLPE qualified 7 I Nexans High Voltage Energy Transmission 2017

8 New Innovative Accessories Safety first: Flexible FMS / Anti-Explosion FRX And new 72.5kV product range

SELF SUPPORTING DRY TERMINATION FMS - For environment and safety Fully dry

friendly - No oil or gas - No risk of leakage - No risk of heavy explosion

Easy and safe assembly on the ground - No scaffolding - Lift up on the

9 SELF SUPPORTING DRY TERMINATION FMS - For environment and safety Fully dry type termination Type Tested up to 170kV Increased safety and environmental friendly - No oil or gas - No risk of leakage - No risk of heavy explosion - Replace fluid filled terminations One piece slip-on silicone rubber part Easy and safe assembly on the ground - No scaffolding - Lift up on the structure - Low installation cost 9 I Nexans High Voltage Energy Transmission 2017

10 ANTI-EXPLOSION TERMINATIONS FRX Safety of people and assets is key 10 I Nexans High Voltage Energy Transmission 2017 No flying solid parts in case of internal arc Tested with oil filled termination 170, 245 and 420kV Tested with gas filled termination 420kV Tested gas filled up to 63kA/0.3s and oil 50kA/0.5s

11 HIGH PERFORMANCE OVERHEAD LINES Uprate your transmission network

HIGH PERFORMANCE OVERHEAD LINES More energy or less losses on same tower 90 500kV High capacity conductors to improve your grid Aero-Z compact conductors optimize new or existing OHL by better

12 HIGH PERFORMANCE OVERHEAD LINES More energy or less losses on same tower kV High capacity conductors to improve your grid Aero-Z compact conductors optimize new or existing OHL by better filling ratio and minimizing wind loads ACSS high temperature conductor with steel core increases grid reliability and solving emergencies LO-SAG with composite core conductor reduce sag and weight, dispatching more energy or reducing line losses and avoid modifying existing towers 12 I Nexans High Voltage Energy Transmission 2017

13 OHL PLUS surface treatment Additional performance for all conductors -17 C avg. Power loss reduction / increased ampacity Lower visual impact, green coloured ACSR corrosion pits ACSS & AERO-Z treated 13 I Nexans High Voltage Energy Transmission 2017 Unique limited corrosion Sound reduced, lower noise if raining

14 High Voltage Services Outstanding Project, Installation and HSE Management From Logistics to Customized Services with safety as highest priority

tests to full turnkey Dedicated Project Managers with full responsibility and priority on QHSE

15 EXPERIENCED PROJECT MANAGEMENT Available Worldwide Highly skilled and experienced project managers following common processes across all project organisations From installation services and site tests to full turnkey Dedicated Project Managers with full responsibility and priority on QHSE plans, confined space instructions and emergency procedures 15 I Nexans High Voltage Energy Transmission 2017

AWARD WINNING INSTALLATION TEAM Outstanding HSE performance Site support and installation of

installation manuals One of the world s most highly trained HV installation team ensures

safety training on-site and in training centers Service contracts provide 24/7 hotline, spare

16 AWARD WINNING INSTALLATION TEAM Outstanding HSE performance Site support and installation of accessories - highest quality and on time Follow approved QHSE plans, instructions and installation manuals One of the world s most highly trained HV installation team ensures reliability On and Offshore with all necessary health and safety certifications Personalised safety training on-site and in training centers Service contracts provide 24/7 hotline, spare parts and jointers in emergencies Dong award: OUTSTANDING HSE PERFORMANCE 16 I Nexans High Voltage Energy Transmission 2017

LATEST INSTALLATION INNOVATION Increases Safety & Makes Joint Bays

cable ends No joint bay and minimal dewatering at sag pits Increased

and after container take over length needed and cable movements due

17 LATEST INSTALLATION INNOVATION Increases Safety & Makes Joint Bays Obsolete Installation of joints on top of the cable trench where the cable ends No joint bay and minimal dewatering at sag pits Increased safety: No handling of material up and down joint bay Sag pit before and after container take over length needed and cable movements due to temperature differences 17 I Nexans High Voltage Energy Transmission 2017

NATURAL BACTERIAS CLEAN UP OIL If excavation of LPOF cable is impossible In cities or natural

non-hazardous bacteria (class 1) It is possible to eliminate up to 96%, the remainder is

monitoring of cable systems which can t be excavated Approx all 2km/80m height difference set

18 NATURAL BACTERIAS CLEAN UP OIL If excavation of LPOF cable is impossible In cities or natural protected areas excavation is not economically viable Dielectric oil biodegradation by non-hazardous bacteria (class 1) It is possible to eliminate up to 96%, the remainder is unlikely to spread Less environmental risk due to corrosion or collateral damage No pressure monitoring of cable systems which can t be excavated Approx all 2km/80m height difference set of degradation container 18 I Nexans High Voltage Energy Transmission 2017 *Average of the cables treated up to date

TEMPORARY SITE CABLES 66-220kV Keeping electricity

disconnection times Flexible terminations can be installed

temporary overhead lines New crossing overhead lines Fast

emergencies Supplies can be quickly restored Recheck for

19 TEMPORARY SITE CABLES kV Keeping electricity available Installing temporaries in substations Reducing disconnection times Flexible terminations can be installed quickly Provisional connection of overhead lines Replacing temporary overhead lines New crossing overhead lines Fast deployment of pre-tested and safe cable system in case of emergencies Supplies can be quickly restored Recheck for partial discharge after use 19 I Nexans High Voltage Energy Transmission 2017

20 Submarine MV cables OWF Inter-array, island connections and lake/river crossings Pioneering alternative offshore wind design

21 66kV INTER-ARRAY NOW QUALIFIED Increasing wind turbines within OWF Nexans supply cables and accessories for Blyth the world's first 66 kv Offshore Demonstrator Wind Farm Project in UK Nexans completed qualification for 66 kv XLPE insulated submarine cable systems as part of the Carbon Trust program Highly skilled offshore team fully health and safety trained 21 I Nexans High Voltage Energy Transmission 2017

accessories for the world s first floating wind farm in Scotland In-house competence engineering, testing,

22 DYNAMIC POWER CABLES Offshore wind innovation: Hywind Park Successful demo in Norway facilitated by Nexans cables which has been in operation since 2009 Nexans will deliver reliable static and dynamic cabling and accessories for the world s first floating wind farm in Scotland In-house competence engineering, testing, manufacturing and installation of dynamic power cables and umbilical 22 I Nexans High Voltage Energy Transmission 2017

23 Superconducting Systems Running in real grids Pragmatic solution for high energy transmission with limited space

grid No outer magnetic field No thermal impact on environment No drying out of soil, no thermal backfill required No maximum laying depth, no

24 SUPERCONDUCTING CABLES Replacing inner city HV cable or partial OHL Very high power transmission capacity Transmit the same power at lower voltage levels Transmit higher power at the same voltage level Very low impedance HTS cable take load from parallel overloaded paths in the grid No outer magnetic field No thermal impact on environment No drying out of soil, no thermal backfill required No maximum laying depth, no bottlenecks at cable crossings Very limited space needed LIPA 138kV, 2400A 24 I Nexans High Voltage Energy Transmission 2017 AmpaCity 10kV, 2300A

25 Thank you for your attention Any questions? John Owen Business Development Manager Nexans - Land High Voltage BL, UK Mobile: +44 (0) john.owen@nexans.com V

HIGH PERFORMANCE OVERHEAD LINE CONDUCTORS TO UPGRADE YOUR SYSTEM

HIGH PERFORMANCE OVERHEAD LINE CONDUCTORS TO UPGRADE YOUR SYSTEM ACPR LO-SAG CONDUCTOR UPGRADE YOUR INTERNAL BACKBONE AND CROSS-BORDER CAPACITY The innovative ACPR LO-SAG is much lighter & stronger, dispatching