KEPCO’s Smart GridTechnology

June, 2010

ⅠⅠⅠⅠ KEPCO’s Smart Grid TechnologyKEPCO’s Smart Grid Technology

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ⅡⅡⅡⅡ The future of KEPCO’s Smart Grid

ⅠⅠⅠⅠ. KEPCO’s Smart Grid TechnologyⅠⅠⅠⅠ. KEPCO’s Smart Grid Technology

765/345kV 154kV22.9kV

Energy StorageRenewable Plants PV, V2G, Wind, etc.

©KRP

CO2

1. Themes of Smart Grid Technology1. Themes of Smart Grid Technology

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• AMI / RTP / DR

• HAN/Smart appliances

• Green buildings

• DG/Storages

• (PH)EV, V2G

• New Customer Services

• Information Security

• Distribution Automation

• Micro-grid

• DC Distribution

• DG Interconnection

• Electricity Storage

• PLC / Comm. Network

• Digital Substation/IED

• FACTS, HVDC

• WAMAC, Self Healing

• Real-time diagnosis

• DG Interconnection

• Electricity storage

• Equipment diagnosis

& management

Facility UseS/A, Smart Distribution, WAMAC, SCADA,

EMS, Renewables

RTP, AMI, DR Resources Management

Categories Core Technologies

2. Core Technologies2. Core Technologies

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ICT InfraCyber Security, High-Speed/Two-way Comm.

Integrated Solution based on IP

Energy ConsumptionRTP, AMI, DR Resources Management

Charging Infra for EVs, Electricity Storage

Smart GridPresentTechnology Level

Facility Use OptimizationFacility Use Optimization

AMI, Self Healing, DistributedSmartSmart

Unmanned Substation,

Remote Control

Automatic Fault Restoration,

Fault Prevention & DiagnosisS/AS/A 75%

3. Present Level of Core Tech.3. Present Level of Core Tech.

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AMI, Self Healing, DistributedSource Accessibility Increase

AMR, DASSmartSmart

DistributionDistribution75%

Low-capacity Distributed

Resources ConnectionOptimized Connectivity,

Two-way OperationRenewablesRenewables 25%

Wide System Protection,

Coordinative ControlEach Facility Protection,

Remote ControlWAMACWAMAC 50%

Smart GridPresentTechnology Level

Energy Consumption OptimizationEnergy Consumption Optimization

Supplier & Consumers

Participation SystemTOU, DR for SupplierRTP, DRRTP, DR 50%

3. Present Level of Core Tech.3. Present Level of Core Tech.

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Large-scale Storage Device, Distributed Source Connection Capacity Increase

Small-scale Storage

Device DevelopmentPower Power

StorageStorage25%

Tech. Development for

Charging Infra.Rapid (High-capacity)Charging InfrastructureEVsEVs 25%

Smart GridPresentTechnology Level

ICT InfrastructureICT Infrastructure

Multi-Layer SecurityLimited Information

Security

InformationInformation

SecuritySecurity50%

3. Present Level of Core Tech.3. Present Level of Core Tech.

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SecuritySecuritySecurity

Individual Systems for

SupplierIntegratedIntegrated

SolutionSolution25%

High-speed / Two-way

IP Communication Network

Low and medium-speed /

One-way communicationNetworkNetwork 50%

Integrated System for both

Supplier and Consumers

4. DMS(Distribution Management System) 4. DMS(Distribution Management System)

NDISNDISDASDAS

DMSDMSDMSDMSDistribution Automation System New Distribution Information System

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AMRAMR DTMSDTMS

DMSDMSDMSDMSDistributionDistributionDistributionDistributionDistributionDistributionDistributionDistribution

Management SystemManagement SystemManagement SystemManagement SystemManagement SystemManagement SystemManagement SystemManagement System

Distribution Automation System

Advanced Metering Infrastructure

New Distribution Information System

Distribution Tr. Management System

5. DAS(5. DAS(Distribution Automation System) Distribution Automation System)

Network Reliability ImprovementNetwork Reliability ImprovementNetwork Reliability ImprovementNetwork Reliability Improvement

Safe WorksSafe WorksSafe WorksSafe WorksOperation Costs ReductionOperation Costs ReductionOperation Costs ReductionOperation Costs Reduction

DASIntroduction

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Power Quality Power Quality Power Quality Power Quality ImprovementImprovementImprovementImprovement

Maintenance Costs ReductionMaintenance Costs ReductionMaintenance Costs ReductionMaintenance Costs Reduction

Loss ReductionLoss ReductionLoss ReductionLoss ReductionDAS

Introduction

6. DAS 6. DAS Time Synchronizer ·Monitor ·Raid Cluster ·

·

·

·

Server1Server2History Server FEP2 HMI 1·

·

FEP1COTHUB

·

·

CROMSMCUGatewayT/S·

·

·

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HMI 1Communication NetworkCommunication Network

OPT, Lease line, TRS, CDMA(GPRS)OPT, Lease line, TRS, CDMA(GPRS)

Overhead S/W Underground S/W Underground CB Recloser

6. Distribution IT Center6. Distribution IT Center

� DLP Cube 50 inch × 21 (7/3)

� Control Server

� UPS, Air conditioner

� Intelligent Briefing System

with Miracle screen

� Call Center connection

� Screen Configuration

� Network Diagram

� Control panel

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� Control panel

� DIS/CIS

� Network Diagram

� Weather/News

� AMI/DTMS

� CCTV

7. AMR(Automatic Meter Reading)7. AMR(Automatic Meter Reading)

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Management Cost Reduction , Real-time Consumption Analysis

New Services for Customers, Distribution Optimization

Energy Management, Various Network(PLC, CDMA, ZigBee)

AMR Server System

AMR FEP

7. AMR 7. AMR -- DiagramDiagram

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Integrated AMRPLC Zigbee

Meter

PTE

ⅡⅡⅡⅡ. The Future of KEPCO’s Smart GridⅡⅡⅡⅡ. The Future of KEPCO’s Smart Grid

’09 ’10 ’11 ’12

Remote controlled Switches in D/L (%)

71 78.8 88.3 99.5

1. Short1. Short--term Goals term Goals

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AMI Deployment (%) - 3 8 14

UnmannedSubstations (%)

79.0 80.4 81.7 82.5

22. Electronic Meter. Electronic Meter

Classification Introduction Purpose Portion(EA)

High Voltage ’94~ TOU Customer 99.9%(157,000)

Low Voltage ’01~ Midnight Power Service,

Power Factor Measurement2.8%(506,000)

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Electronic

(99.9%)

Electronic

(99.9%)

Mechanical

(0.1%)

Mechanical

(0.1%)

Mechanical

(97.2%)

Mechanical

(97.2%)

Electronic

(2.8%)

Electronic

(2.8%)

High Voltage Low Voltage

Type Target Portion Features

E-type[2009]

Residential

[below 300kWh/month]

55%

[10 million]

Active power Metering

AMR

TOU, RTP(hourly basis)

G-type

Residential

[over 300kWh/month] 44%

E-type +

Power Factor Measurement

33. Smart Meters. Smart Meters

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G-type[2010]

[over 300kWh/month]

Commercial, small

factories

44%

[7.9 million]

Power Factor Measurement

Peak Metering

RTP, CPP

S-type[2010]

Special-purpose -

G-type +

Remote Controlling ON/OFF

Power Quality Management

Remote Firmware Upgrade

* E-type : Economical, G-type : General, S-type : Superior

4. Digital Substation4. Digital Substation

Feature

ClassificationBefore

Digital SubstationAfter

Digital Substation

Function

Relay, Aux Ry, F/R …

• Measurement

• Monitoring

• Control

IED

• Integrated Functions

• Information Sharing

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• Control

• Protection, and etc.

• Information Sharing

Compo

n e n t s

Communications

WireHard Wire Fiber-optic Wire

Data

ProcessingAnalog Type Digital Type

CircuitElectrical Sequence

Mechanical SequenceLogical Program

4. Digital Substation4. Digital Substation

Configuration

DigitalSubstation

Operator

HMI

Operation

System

154kV Seongsan S/S

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Firewall

Prevention &

Diagnosis

Sysgtem

5. KEPCO’s EV Infra. Diagram5. KEPCO’s EV Infra. Diagram

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5. KEPCO’s EV Chargers5. KEPCO’s EV Chargers

Charging Stand Quick Charger

○ Max Power: 50kW

○ Max Current: 110A

○ Max Voltage: DC 450V

○ Charging Time : < 30min.

(Up to 80%)

○ Max Power: 7.7kW

○ Max Current: 35A

○ Max Voltage: AC 220V

○ Charging Time : ~5hrCommon Feature

○ Payment: - Membership RFID Card(Adv.-Payment & Monthly. Billing)

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(Adv.-Payment & Monthly. Billing) - Credit Card (Deferred-Payment)

○ Display: - Charging & Payment States - Customer Instruction

○ Communication: - CAN (Charger<->EV) - TCP/IP, PLC to Op. Server Sys.

○ Safety:- Emergency Switch - Circuit Breakers for :

- Over V or C - Leak C

5. Current Status5. Current Status

Seminar on Standardization

Development of Chargers

in December 2009

Pilot Operation

in August 2010

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‘09.11

‘09.12

MOU with Hyundai Motors

in October 2009

Seminar on Standardization

in November 2009

(with TEPCO)

5. Development of EVs and Chargers 5. Development of EVs and Chargers

’11 ’12 ’13 ’14 ’15 ’16 ’17 ’18 ’19 ’20 SUM

EV

number100 400 500 1,000 5,000 8,000 12,000 20,000 40,000 65,000 152,000

* National Smart Grid Road Map (‘‘‘‘09. 12. 16)

Annual EV Deployment Plan

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’20 SUM (‘11~’20)

1300 4,300

6,500 15,200

65,000 152,000

Quick Charger

Charging Stand

Home Charger

Expectation of Chargers

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