KEPCO s Smart Grid Technology June, 2010
Ⅰ KEPCO s Smart Grid Technology Ⅱ The future of KEPCO s Smart Grid 1/24
Ⅰ.. KEPCO s Smart Grid Technology
1. Themes of Smart Grid Technology CO 2 765/345kV 154kV 22.9kV KRP Renewable Plants Energy Storage PV, V2G, Wind, etc. Digital Substation/IED FACTS, HVDC WAMAC, Self Healing Real-time diagnosis DG Interconnection Electricity storage Equipment diagnosis & management Distribution Automation Micro-grid DC Distribution DG Interconnection Electricity Storage PLC / Comm. Network AMI / RTP / DR HAN/Smart appliances Green buildings DG/Storages (PH)EV, V2G New Customer Services Information Security 3/24
2. Core Technologies Categories Core Technologies Facility Use S/A, Smart Distribution, WAMAC, SCADA, EMS, Renewables Energy Consumption RTP, AMI, DR Resources Management Charging Infra for EVs, Electricity Storage ICT Infra Cyber Security, High-Speed/Two-way Comm. Integrated Solution based on IP 4/24
3. Present Level of Core Tech. Facility Use Optimization Technology Present Smart Grid Level Unmanned Substation, Remote Control Automatic Fault Restoration, Fault Prevention & Diagnosis S/A 75% Smart Distribution AMR, DAS AMI, Self Healing, Distributed Source Accessibility Increase 75% Low-capacity Distributed Resources Connection Wide System Protection, Coordinative Control WAMAC Each Facility Protection, 50% Remote Control Renewables Optimized Connectivity, 25% Two-way Operation 5/24
3. Present Level of Core Tech. Energy Consumption Optimization Technology Present Smart Grid Level Supplier & Consumers RTP, DR TOU, DR for Supplier 50% Participation System Tech. Development for Charging Infra. Rapid (High-capacity) Charging Infrastructure EVs 25% Power Storage Small-scale Storage Device Development Large-scale Storage Device, Distributed Source Connection Capacity Increase 25% 6/24
3. Present Level of Core Tech. ICT Infrastructure Technology Present Smart Grid Level Information Security Limited Information Security Multi-Layer Security 50% Low and medium-speed / High-speed / Two-way Network 50% One-way communication IP Communication Network Integrated Solution Individual Systems for Supplier Integrated System for both Supplier and Consumers 25% 7/24
4. DMS(Distribution Management System) DAS NDIS Distribution Automation System DMS Distribution Management System New Distribution Information System AMR DTMS Advanced Metering Infrastructure Distribution Tr. Management System 8/24
5. DAS(Distribution Distribution Automation System) Network Reliability Improvement Safe Works Power Quality Improvement DAS Introduction Operation Costs Reduction Loss Reduction Maintenance Costs Reduction 9/24
6. DAS Time Synchronizer Monitor Raid Cluster Server1 Server2 History Server FEP1 COT FEP2 HUB MCU T/ S Gateway CROMS HMI 1 HMI 1 Communication Network OPT, Lease line, TRS, CDMA(GPRS) Overhead S/W Underground S/W Underground CB Recloser 10/24
6. 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 DIS/CIS Network Diagram Weather/News AMI/DTMS CCTV 11/24
7. AMR(Automatic Meter Reading) Management Cost Reduction, Real-time Consumption Analysis New Services for Customers, Distribution Optimization Energy Management, Various Network(PLC, CDMA, ZigBee) 12/24
7. AMR - Diagram AMR Server System AMR FEP PTE PLC Zigbee Integrated AMR Meter 13/24
Ⅱ.. The Future of KEPCO s Smart Grid
1. Short-term term Goals 09 10 11 12 Remote controlled Switches in D/L (%) 71 78.8 88.3 99.5 AMI Deployment (%) - 3 8 14 Unmanned Substations (%) 79.0 80.4 81.7 82.5 15/24
2. Electronic Meter Classification Introduction Purpose Portion(EA) High Voltage 94~ TOU Customer 99.9%(157,000) Low Voltage 01~ Midnight Power Service, Power Factor Measurement 2.8%(506,000) Electronic (99.9%) Mechanical (0.1%) Mechanical (97.2%) Electronic (2.8%) High Voltage Low Voltage 16/24
3. Smart Meters Type Target Portion Features E-type [2009] Residential [below 300kWh/month] 55% [10 million] Active power Metering AMR TOU, RTP(hourly basis) G-type [2010] S-type [2010] Residential [over 300kWh/month] 44% Commercial, small [7.9 million] factories Special-purpose - E-type + Power Factor Measurement Peak Metering RTP, CPP G-type + Remote Controlling ON/OFF Power Quality Management Remote Firmware Upgrade * E-type : Economical, G-type : General, S-type : Superior 17/24
4. Digital Substation Feature Classification Before Digital Substation After Digital Substation Relay, Aux Ry, F/R Measurement IED Function Monitoring Integrated Functions Control Information Sharing Protection, and etc. Compo n e n t s Communications Wire Data Processing Hard Wire Analog Type Fiber-optic Wire Digital Type Circuit Electrical Sequence Mechanical Sequence Logical Program 18/24
4. Digital Substation Configuration 154kV Seongsan S/S Operation System Operator HMI Digital Substation Firewall Prevention & Diagnosis Sysgtem 19/24
5. KEPCO s EV Infra. Diagram 20/24
5. KEPCO s EV Chargers Common Feature Payment: - Membership RFID Card (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 Charging Stand Max Power: 7.7kW Max Current: 35A Max Voltage: AC 220V Charging Time : ~5hr 21/24 Quick Charger Max Power: 50kW Max Current: 110A Max Voltage: DC 450V Charging Time : < 30min. (Up to 80%)
5. Current Status Pilot Operation in August 2010 Development of Chargers in December 2009 Seminar on Standardization in November 2009 09.12 (with TEPCO) 09.11 MOU with Hyundai Motors in October 2009 22/24
5. Development of EVs and Chargers Annual EV Deployment Plan 11 12 13 14 15 16 17 18 19 20 SUM EV number 100 400 500 1,000 5,000 8,000 12,000 20,000 40,000 65,000 152,000 * National Smart Grid Road Map ( 09. 12. 16) Expectation of Chargers 20 SUM ( 11~ 20) Quick Charger Charging Stand Home Charger 1300 4,300 6,500 15,200 65,000 152,000 23/24
24/24