2015 0 DOOSAN SKODA POWER OVERVIEW Introduction to Doosan Group - PowerPoint PPT Presentation

DOOSAN SKODA POWER OVERVIEW 2015 0

DOOSAN SKODA POWER OVERVIEW • Introduction to Doosan Group • Doosan Škoda Power Overview & Product Portfolio • Doosan Škoda Power Retrofit & Modernisation • Doosan Škoda Power Industrial Steam Turbines • Doosan Škoda Power New Build 1

DOOSAN GROUP One of the top 10 conglomerates in Korea, active in the engineering and manufacturing of power plants, industrial facilities, engines and construction The oldest company in Korea (112 years). The founding family is still a major shareholder and responsible for corporate governance Management has strong aspirations of accelerated global growth, with a focus on the infrastructure support businesses. 2

DOOSAN – BUSINESS AREAS  Power  Water  Construction  Machine Tools  Engines  Engineering & Construction  Industrial Vehicle  Electro Material

THE DOOSAN FAMILY Doosan Group Doosan Doosan Heavy Doosan Doosan Doosan Doosan Industrial Industries Mecatec Engine Infracore Corporation Develop. and Construction

DHI&C - BUSINESS OVERVIEW Doosan Heavy Industries & Construction Turbine Casting Boiler EPC Nuclear Water Generator & Forging Business Design & Fossil, Nuclear power Seawater Industrial Group Design & fabricate boilers combined-cycle, plant equipment desalination materials & fabricate steam, & environ- simple-cycle & manufacturing & plant & water components gas turbine & mental industrial power service treatment electrical equipment plant EPC generators Doosan Škoda Doosan Babcock Doosan E&S Doosan HF Doosan Hydro Doosan IMGB Power (Czech) (UK) (USA) Controls (USA) Tech. (USA) (Romania) TG BU Doosan Chennai DPS India Doosan Enpure (Changwon) Works (India) (India) (UK) Overseas Doosan Power Doosan Heavy Industries & Construction owns core technologies and Subsidiary Systems (UK) ongoing performance with the three core components of the power generation business - Boilers, Turbines and Generators. The Doosan Lentjes acquisition of Babcock of the U.K. and Skoda Power of the Czech (Germany) Republic further consolidated our competitiveness. Doosan is also making substantial inroads into the eco-friendly power generation Doosan VINA business including wind power and fuel cell. (Vietnam)

DHI&C > GLOBAL NETWORK Doosan Škoda Power Doosan E&S Branches Doosan Power Systems Subsidiaries R&D Centers 31 Branches 10 Subsidiaries 5 R&D Centers Doosan VINA Doosan Hydro Doosan IMGB Doosan Chennai Works

Key milestone of turbine generator technology Outset of Turbine Generator OEM Capability through Technology Business as a Manufacturer Integration Established Manufacturing Own Design Škoda Power License with GE for STG Capability Acquisition Doosan’s Full Turbine and 1962 1976 1985 1991 2007 2009 Generator Product Design License License with Established Line-up with GE for MHI for STG Gas Turbine Established Established Gas Turbine 500MW First steam Turboset Product Line-up turbine - 550HP SKODA POWER 1904 1959 1978 1992 2007 110MW 1000MW Turboset USC 660MW Turboset for Nuclear 7

DOOSAN SKODA POWER OVERVIEW • Introduction to Doosan Group • Doosan Škoda Power Overview & Product Portfolio • Doosan Škoda Power Retrofit & Modernisation • Doosan Škoda Power Industrial Steam Turbines • Doosan Škoda Power New Build 8

DOOSAN SKODA POWER PRODUCTS - INTRODUCTION Long Company Heritage with Global References of ŠKODA steam turbines • Leading manufacturer and supplier of modern turbine/generator systems, components and services • Designs, manufactures and installs power generation equipment • Significant service expertise for OEM equipment and third-party equipment producers 9

Heritage of Doosan Škoda Power Turbine Škoda Turbines became proud part of Doosan Heavy Industries & Construction in 2009. Doosan Škoda Power acts as Headquarter of Global R&D Center for steam turbine business since 2013. 23 MW Reheating 220 MW Turboset (Nuclear) Emil Škoda found the USC unit 660 MW Doosan acquired Škoda Power Steam Turbine engineerng workshop 1869 1911 1932 1966 1976 1992 2006 2009 2013 Rateau turbine system R&D Center of excellence for 200 MW Turboset 1000 MW Turboset (Nuclear) were replaced by turbines steam turbine Doosan Group own design Škoda 10 10

DOOSAN SKODA POWER PRODUCTS AND APPLICATIONS Steam turbine & generator Complete machine-hall Fossil fuel New Cogeneration Build Combined cycle Nuclear Waste incineration Retrofits & Modernization Biomass Solar Sugar Service & Metal Maintenance Pulp & Paper 11

Steam Turbine Experience Through worldwide presence Doosan Škoda Power represents a rich tradition, long experience and professional knowledge, with innovative approaches to project managementt. Total Records ~ 115 GW = 594 Units MW Unit Europe 42 GW 325 Units Asia 55,5 GW 126 Units Middle East 8,4 GW 28 Units India America Africa 3,5 GW 3,7 GW 1,3 GW 62 Units 37 Units 16 Units 12

ADVANCED PRODUCTION TECHNOLOGY CNC Machining Centre WACO PMC 5000 AG • CNC Lathes up to dia. 4,000 mm and length 15,000 mm • CNC Vertical lathes up to dia. 5,000 mm • CNC and NC Horizontal boring machines • Vertical Lathes up to diameter 8,000 mm • 5 axes CNC machining centers for blade machining Vertical rotor welding stand POLYSOUDE PC 600 • (TIG hot/cold wire) • rotors up to weight 135t, length 12m, diameter 2 050 mm Welding capability (SMAW, GTAW, GMAW, FCAW, SAW) • Forming/bending capability, • Rotor alignment using high-frequency heating method • Heat treatment capability, submerged arc welding Vacuum high-speed balancing tunnel • Rotors up to weight 140t, length 18 000 mm, diameter 4 700mm • Pedestals SCHENCK DH 11 and DH 70 13 13

R&D Doosan Škoda Power is a centre of excellence for R&D in the field of steam turbines within Doosan Group Our steam turbine development is focused on: • Raising the steam temperature and pressure at the inlet • Enhancing efficiency of steam path  Through flow path optimization  Through new design and technology solution of flow path  Improved sealing of rotating parts • Selection of new non-metallic and metallic materials and spray layers • Operating flexibility and reliability Theoretical conclusions are always verified in our well equipped experimental laboratory Doosan Škoda Power is the owner of original technology since 1904 with reference range between 10 to 1,200 MW. 14

DOOSAN SKODA POWER OVERVIEW • Introduction to Doosan Group • Doosan Škoda Power Overview & Product Portfolio • Doosan Škoda Power Retrofit & Modernisation • Doosan Škoda Power Industrial Steam Turbines • Doosan Škoda Power New Build • Doosan Škoda Power Overview & Product Portfolio 15

TURBINE RETROFIT & MODERNIZATION – Understanding of R&M Benefits R&M results: • Lifetime extension or renovation • Availability and reliability improvement • Improved thermodynamic efficiency • Electric output increase • Reduced heat consumption • Reduced operating and maintenance costs • Reduction of harmful emissions • Improved environmental performance Page 16

DOOSAN ŠKODA POWER SOLUTION CHARACTERISTICS 1/2 3D optimized blading Solid-forged and welded rotors LP last stage blade solution • • reduction of aerodynamic losses in turbine stages use of materials with optimal properties for different parts of rotor at given operating conditions • increased efficiency compared to the previously • improved profile efficiency • used types of blading reduced weight of welded parts, which can be forged more • optimised aerodynamics precisely than large part • improved specific heat consumption • selection from wide family of last stage • higher metallurgical accuracy, economically attractive solution • blades, based on project-specific • reduced heat load, faster start-up • cold end conditions • using of approved • module solution • high availability • and long lifetime Page 17

DOOSAN ŠKODA POWER SOLUTION CHARACTERISTICS 2/2 HP / IP assembled design Labyrinth sealing with abradable LP diaphragms diaphragms coating • welded design • moisture removing among last LP stages • abradable coating sprayed on seal segments • precise assembly • hollow stationary blade provided by groove • improved efficiency of labyrinth seals, reduced clearance • high performance for water separation on suction and between hard parts and segment base material pressure surface honeycomb sealing • minimized damage or wear of sharp edges on rotor seals during contact with other parts Page 18

REVERSE ENGINEERING – 3D Scaning and its utilization Scanning Processing Reversing Existing turbine Point cloud Mesh model 3D model Design data from reused parts Basic design Production Retrofit 3D Retrofitted (skeleton) Production and Detail design Designing drawings design turbine execution FEM analysis, Inspections, Operation data, Maintenance, Experiences Page 19