Growth of Technologhy& Value

Introduction of KOSPO & Samcheok Project I

Unique & Eco-friendly Design ConceptII

Ⅲ Construction Progress of Samcheok Plant

1Introduction of KOSPOⅠ

2Introduction of KOSPOⅠ

Transmission & Distribution

Generation

Korean GovernmentKorean Government

(100%) (100%) (100%) (100%) (100%) (100%)

(51%)

Thermal & Renewable

KOSEP

Thermal & Renewable

KOMIPO

Thermal & Renewable

WP

PrimaryShareholder

Thermal & Renewable

EWP

Nuclear & Hydro

KHNP

Thermal & Renewable

KOSPO

Ownership StructureOwnership Structure

3Introduction of KOSPOⅠ

Generation CapacityGeneration Capacity

4Introduction of KOSPOⅠ

Capacity Sites in OperationCapacity Sites in Operation

5Introduction of KOSPOⅠ

Committed Future CapacityCommitted Future Capacity

• 1,000MW x 2 CFBC Boiler- World-largest Capacity- Low-calorific Coal

Location of the Samcheok PlantLocation of the Samcheok Plant

Introduction of SamcheokⅠ

Before construction

Area2.6million m2 (Land1.6million m2 + Sea1million m2)

6

Under construction

Supercritical 2Boiler 1TBN Combined

Introduction of SamcheokⅠ

1,000MW Steam Turbine 1,000MW Steam Turbine

CFBC500MW

CFBC500MW

CFBC500MWCFBC500MW

Capacity 2,000MW (1000MWⅩ2)

World’s First 2BLR + 1TBN

Steam Condition 255.5bar /603℃

1,000MW Turbine Toshiba

Once Through CFBC Foster Wheeler

Samcheok Green Power PlantSamcheok Green Power Plant

7

Introduction of SamcheokⅠ8

Unit 1A BoilerUnit 1B BoilerUnit 2A BoilerUnit 2B Boiler

Unit 1TurbineUnit 2 Turbine Electric Building

2 Boiler : 1 Turbine Configuration2 Boiler : 1 Turbine Configuration

Unit1 BoilerUnit1 BoilerCoal ShedCoal Shed

Unit1 TurbineUnit1 Turbine

Control Room with StackControl Room with Stack

Coal Unloading DockCoal Unloading Dock

(Unit 3, 4)(Unit 3, 4)

Small Hydro Power Equip.Small Hydro Power Equip.

Unit2 BoilerUnit2 Boiler

Unit2 TurbineUnit2 Turbine

Aerial view of the Samcheok Green Power

Introduction of SamcheokⅠ9

Elevation Drawing3D Model

10

Samcheok CFBC BoilerSamcheok CFBC Boiler

Furnace

Primary Air Fan Secondary Air FanBottom Ash Handling

Intrex RHIntrex SH

Cross Over Duct

SeparatorSeparator

Eco.

SH

Start-up Burner

Platen SH

RH

RAPH

RH

SCR

USC, Once-Through CFBC Boiler Benson type, Vertical Tube Furnace4 coal silo, 8 Cyclone, 8 Intrex(4 SH, 4 RH)

Design ConceptⅡ

11

Boiler Water-Steam SystemBoiler Water-Steam System

: Economizer System

: Evaporator System

: SuperHeater System

: ReHeater System

Design ConceptⅡ

Tandem Compound, Reheat Condensing Type

HP 1xDouble Flow+8, IP 9x2 Flow, LP 6x4F, Turbine Efficiency 48.72%

Guaranteed Rating : 1,100MW (Nominal Rating : 1,022MW)

LSB 48”

Ti-6Al-4V

(1219.2㎜)

12

Samcheok Turbine GeneratorSamcheok Turbine Generator

HPIP

LP-ALP-B

1,000MW Steam Turbine

Design ConceptⅡ

Samcheok Plant Unique DesignSamcheok Plant Unique Design

13

365m

Water supply

Water pondUnderground Channel

Plant

Reclamation

Cement

No Ash Pond Non Visible Coal Yard

New water Supply System Multi–use Complex

Sea

Desalination

Facility

Storage Tank Plant

desalination

Mine Backfill

Design ConceptⅡ

Unique & Eco-Friendly DesignⅡ

Typical Coal Power Plant

Ash is 10~15% Coal ByproductEnvironmentally Unfriendly

Disposal of Ash Waste

No Ash PondNo Ash Pond

14

No Ash PondNo Ash Pond

Samcheok Green Power Plant

AbandonedMine

Unique & Eco-Friendly DesignⅡ15

Non Visible Coal StorageNon Visible Coal Storage

Unique & Eco-Friendly DesignⅡ16

TypicalSamcheok

New water Supply SystemNew water Supply System

Expensive, Impact on environment

New Dam Construction

Unique & Eco-Friendly DesignⅡ17

Reclamation of retention basin discharge

Water supply

Water pondUnderground Channel

Plant

Seawater desalination

Sea

Desalination Facility

Storage Tank

Plant

Unique & Eco-Friendly DesignⅡ

Viewing Deck

New Concept Green Building

Cafeteria OfficeControl Room

Multi-use Complex Multi-use Complex

18

Constant Pressure Operation

Throttling Loss , Thermal Stress , Startup Time , Efficiency

⇒ Modified Sliding Pressure Operation

Operation ConceptOperation Concept

35000

0

Variable Pressure Program Of Supercritical Boilers

20 40 60 80 100

Main

Turb

ine T

hro

ttle

Pre

ssure

PSIG

3000

2000

1000

1 2 3 4

① Constant Pressure ②③ Modified Sliding Pressure④ Sliding Pressure

Samcheok Green Power

14Design ConceptⅡ

2nd Boiler

1st Boiler Serviced( 2nd Boiler Bypass)

1st & 2nd Boiler Tie-in (connecting)

1st & 2nd Boiler Parallel Operation

Startup Operation ConceptStartup Operation Concept

15Design ConceptⅡ

Construction MilestonesConstruction Milestones

Samcheok Construction ProgressⅢ

Notable Dates12.06.01

13.02.15

13.11.06

14.06.28

15.02.15

15.12.15

Start of Excavation

Start of Steel Structure Erection

Pressure Parts Installation

Power Receiving

Hydro Test

1st Firing

100

98

96

94

92

90

88

86

84

82Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan

2015 2016

Total Progress

Actual Progress ('15.10)

94.25% Actual Progress ('15.10)

94.25%

17

18

Samcheok Site Aerial View(`15.10 Current State)Samcheok Site Aerial View(`15.10 Current State)

#1,2 Boiler

#1 EP

Control Room with Stack

Coal Shed

Desalination Plant

Coal Dock

Switchyard

EL.(+)10.0m

EL.(+)40.0m

EL.(+)70.0m

Samcheok Construction ProgressⅢ

Boiler Construction StatusBoiler Construction Status

19Samcheok Construction ProgressⅣ

Actual / Planned % Complete

Design 2.49 / 2.50 99.64%

Procurement 74.17 / 74.17 100.00%

Construction 15.23 / 20.28 75.08%

Total 91.89 / 96.94 94.79%

Boiler Progress Stage (Oct. 2015)

2011 2012 2013 2014 2015 2016 2017

06.29 08.03 02.15 09.15 04.18 12.15 01.01 06.30 10.30

BLRAward

Start of 1st BLR

Excavation

Start Steel

Structure

BLR Tube Installation

1st BLRHydro Test

Initial FiringSteam

BlowingUnit 1 COD Unit 2 COD

Boiler Construction Milestones

20Samcheok Construction ProgressⅣ

Boiler Front View(Oct. 2015)Boiler Front View(Oct. 2015)

Unit 1 Progress : 84.54% Unit 2 Progress : 69.96%

Unit 1 #A,B Boiler Unit 2 #A,B Boiler

Boiler Construction StatusBoiler Construction Status

Pendent SH

Convection SH RH Coil

Furnace Lower Part

Main Steam Pipe

21Samcheok Construction ProgressⅢ

Turbine Construction StatusTurbine Construction Status

22

#1 Steam Turbine Area #2 Steam Turbine Area

#1 Lube Oil Cooler Permanent PipingRestoration Work

#2 HP Turbine Bolt Remove for Tops-off Work

Samcheok Construction ProgressⅢ

BOP Construction StatusBOP Construction Status

CSU

Coal Shed Coal Handling Equipment

Stacking Tripper

23Samcheok Construction ProgressⅢ

BOP Construction StatusBOP Construction Status

Limestone Silo

Ash SiloLimestone CSU

EP

24Samcheok Construction ProgressⅢ

25

Commissioning ScheduleCommissioning Schedule

BLR AcidCleaning

Material System

DraftSystem

SteamSystem

Coal HandlingSystem

Duct, Damper TestFan No Load Test

11/15

10/26 11/15 11/25

Fan Load Test Air Balance TestDraft Sys. Tuning

Simulation Test(Purge I/T, Burner)

BLR Alkali CleaningInstall Piping(for Acid Cleaning) BLR Flushing

Coal Unloading & Coal Storage System Test Coal Feeder Test

Ash, Limestone, Bed Material Handling System TestDe-NOx Test

10/26 11/25

Critical Path

Initial Firing

Install Piping(for Steam Blowing)

12/3 12/9 12/15

BCP TestSteam Blowing

RefractoryDry-out

FludizingTest

12/30 1/24 1/29

Catalyst

2/13

TBN Bypass OperationSVP Test

2/20Steamto TBN

6/30CommercialOperation

Samcheok Construction ProgressⅢ

Contact : Senior Manager, Sang iL Lee

lsi99@kospo.co.kr