This presentation has been revised since presentation

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1 Erik Eriksson, ABB: Design of Cable Systems Nordenbergskolan This presentation has been revised since presentation February 3, 2015 Slide 1

2 Overview From upper secondary school to ABB: Eriks journey! About ABB Something about electricity and the Swedish electrical grid Submarine cables: Construction & Design Examples of applied problems: Thermodynamics, Mechanics Conclusions, questions, discussion February 3, 2015 Slide 2

3 From upper secondary school to ABB: Eriks journey! Gymnasium: Naturvetenskapligt University: Master in Engineering Umeå, Hong Kong ABB Traineeprogram 3 rotations in sweden Halv a year in the USA R&D Project manager Development of deep sea cables Lead engineer Cables to floating platfoms and worlds longest AC cable Manager: Tender Engineering Department Likes Tenders for new cable projects Diving, skiing, biking, my job! February 3, 2015 Slide 3

4 ABB Group Headquarters in Zürich, Switzerland Publicly traded company in Sweden, Switzerland, US and India Approximately 150,000 employees in around 100 countries Revenue: Approximately 40 billion USD (2012) February 3, 2015 Slide 4

5 What we offer: Divisional structure and portfolio Power Products $10.9 billion 35,300 employees Range of ultrahigh to medium voltage products; distribution automation products; transformers Power Systems Low Voltage Products $8.1 billion 19,600 employees $5.3 billion 21,400 employees Electrification and control for power generation; transmission grid solutions; substations; network management Low-voltage products, circuit breakers, switches, control products Process Automation Discrete Automation and Motion $8.3 billion 28,300 employees $8.8 billion 28,500 employees Control systems and application-specific automation solutions for process industries Robots, drives, motors and generators February 3, 2015 Slide 5

6 ABB High Voltage Cables Karlskrona, Sweden unit Content changed Main focus on: - HVDC Light cables for land and submarine applications - AC and DC cables for submarine applications - AC land cables for high- and extra high voltages February 3, 2015 Slide 6

7 ABB High Voltage Cables Huntersville, NC USA unit Content revised February 3, 2015 Slide 7

8 High Voltage Cables Complete supplier for cable system solutions We provide our customers with a complete package: System studies and system design Project management Manufacturing and delivery of cables Installation, supervision and testing Recovery of old cables Maintenance and repair of cable systems February 3, 2015 Slide 8

9 Leading Supplier of PG High Voltage Cables Market Segments A key enabler for many emerging trends Borwin, Germany integrating the world s most remote offshore wind farm Troll A, world s first offshore platform connected to shore supply Murraylink, Australia, world s longest underground cable NordBalt, highvoltage direct-current (HVDC) submarine power cables between SE and LT Offshore Wind farms Export cables connecting wind farms to land based grid Offshore Oil and Gas Export cables from land electrifying offshore platforms Undergrounding Land cables replacing traditional overhead lines, mainly in and around city centers Interconnector Land and sea cables between countries or regions February 3, 2015 Slide 9 ABB is the only player with in-house manufacturing and R&D for semiconductors, converters and HV cables

10 Clients (selection) February 3, 2015 Slide 10

11 Elkraftsystemets utformning Produktion Transmission (högspänning, >36kV) AC eller DC Distribution (mellanspänning, 1 36 kv) Konsumtion (lågspänning, <1kV) Konsumtion February 3, 2015 Slide 11

12 Elproduktion och konsumtion i Sverige Vattenkraften står för ca 47 % av produktionen Kärnkraften står för ca 42 % Vindkraft 2 % Hushållsektorn står för ca 22 % av konsumtionen Industrin förbrukar ca 40 % av elproduktionen Övrig sektor förbrukar ca 30 % Förlusterna utgör ca 8% av produktionen February 3, 2015 Slide 12

13 Elektrisk energi Mycket viktig för utveckling av dagens industrisamhälle Kan omvandlas till andra energiformer (mekaniskt arbete, belysning etc.) Kan transporteras över stora avstånd Vid överföring av elektrisk energi uppstår förluster Kan inte lagras, utan i varje tidsögonblick gäller: Elenergi genererad i kraftverken = Konsumerad elenergi + Förluster February 3, 2015 Slide 13

14 Högspänningskablar kontra Friledningar: Fördelar ingen visuell påverkan på miljön låga elektromagnetiska fält hög säkerhet för personal, inga överslag i luften påverkas inte av klimatet (vind, snö, is etc.) mindre risk för stöld lägre kostnader för underhåll mindre utnyttjande av land February 3, 2015 Slide 14

15 Exempel på extruderad sjökabelkonstruktion February 3, 2015 Slide 15

16 ABB PG High Voltage Cables Product Portfolio (content revised) HVDC submarine and underground cable projects HVAC submarine cables HVAC underground cables Service & Installation February 3, 2015 Slide 16

17 Designstrategi: Sjökabel Elektrisk spänning Överföringseffekt Omgivningstemeperatur Isolation och ledarstorlek Installationsvilkor Vattendjup Fartyg Våghöjder Isolation, ledare & Armering February 3, 2015 Slide 17

18 Kraftöverföring med AC Kablel Treledare AC PEX-kabel Relativt höga effekter Medium avstånd Relativt hög kostnad Tekniskt pålitlig February 3, 2015 Slide 18

19 Kraftöverföring med DC Kabel DC Extruderad kabel (HVDC-Light ) Relativt höga effekter Långa avstånd Relativt hög kostnad Tekniskt pålitlig Kontrollerbar effekt (omriktare) February 3, 2015 Slide 19 + U - U

20 Example on Thermodynamics: Wind Power How large cable should we install? February 3, 2015 Slide 20

21 Thermodynamics: Wind Power Removed February 3, 2015 Slide 21

22 Example on Thermodynamics: Wind Power (content revised) Temperature depending on the load factor can then be calculated using time dependent FEM-calculation. Removed February 3, 2015 Slide 22

23 Example Mechanics: Floating Platforms Increasing O&G price -> Deep water -> Floating platforms Platforms traditionally energized by gas turbines with significant CO 2 emissions Power from shore to floating platforms is enabled by dynamic cables Gjöa: Power from shore (hydroelectric) > Substantial reduction of CO 2 emissions Approx. Reduction of CO 2 emissions corresponds to emissions from a constant line of cars from Göteborg to Stockholm Bumper to bumper, always driving Saves approx tons CO 2 per year February 3, 2015 Slide 23 Confidential

24 Example Mechanics: Floating Platforms The challenge: Reoccuring movements due to waves, wind and water current Cable will be exposed to fatigue (utmattning) How can we prove that is will last for 30 years?? February 3, 2015 Slide 24

25 Example Mechanics: Floating Platforms February 3, 2015 Slide 25

26 Example Thermostatics: Cable temperature February 3, 2015 Slide 26

27 Conclusions ABB is a very intersting company to work in You can do alot of diffrent things as an engineer! Engineers have fun at work, most of the times Abstract mathematics and physics do apply in real problems Electrics Thermodynamics Mechanics I wich you all luck!! February 3, 2015 Slide 27

28 February 3, 2015 Slide 28