Telecom Needs of Power Sector Focus on Transmission Utility Gujarat Energy Transmission Corporation Limited 29-30 th May 2012 14:23 1
Contents Gujarat Power Network Telecom Technologies - Development, Utilization & Experience Tomorrow’s Needs GETCO Telecom Plan and Strategy Expectations from the Telecom solution providers 14:23 2 2
Total installed capacity of Gujarat: 18394MW* 14:23 3 (* including Wind farm capacity 2884 MW, Solar capacity 664 MW, Biomass capacity 31 MW)
GETCO Network Transmission Elements Overview Sr. Substations Transmission Voltage Class No. (Nos.) Lines (cKM) 1 400 KV 11 3187 2 220 KV 79 14852 3 132 KV 49 4808 4 66 KV / 33 KV 1131 22177 Total 1270 45024 14:23 4 4
Telecom Technologies – Development, Utilization & Experience • Genesis for need of Telecom Technologies • How it evolved? • Where & which technologies we utilized? • What is our experience? 14:23 5 5
Transmission Transmission Receiving Sub Station Grid Substation Sub Transmission Grid Distribution Substation Power Station Distribution Grid Consumers 14:23 6
Transmission Transmission Receiving Sub Station Grid Substation Sub Transmission Grid Electricity Distribution Substation Power Station Distribution Grid Consumers 14:23 7
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Electricity Distribution Substation Information Power Station Distribution Grid Consumers 14:23 8
Transmission Transmission Sub Station Grid Sub Transmission Grid Distribution Substation • Load Management • Outages • Talks on Operational events Power Station Distribution Grid Telephony PSTN* PLCC^ * - Public Switched Telecom Network Consumers 14:23 9 ^ - Power Line Carrier Communication
Transmission Transmission Sub Station Grid Sub Transmission Grid Distribution Substation • Outage Messages Power Station • Generation data Distribution Grid Load Dispatch Centre • Important & urgent directives Tele Printing PLCC Consumers 14:23 10
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Substation Carrier Inter trip Power Station • Permissive trip Distribution Grid Load Dispatch Centre • Direct Trip Tele Protection PLCC Consumers 14:23 11
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Substation • Power System data Power Station Distribution Grid Load Dispatch Centre Tele Metering PLCC Consumers 14:23 12
Wind Farm Power Station Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Distribution Substation Substation • Communication with Isolated locations Distribution Substation Power Station Load Dispatch Centre Load Dispatch Centre Distribution Grid Telephony VHF HF Radio Satellite phone Micro waves Consumers 14:23 13
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid DAS* Nodal Centre Distribution Substation • Automated Energy meter data pooling Distribution Substation Power Station Load Dispatch Centre Distribution Grid DAS* PSTN Copper lines GSM * - Data Acquisition System Consumers 14:23 14
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission e-Urja Grid Corporate Data Centre Distribution Substation • Integration of Organization functional activities Distribution Substation Power Station Load Dispatch Centre Distribution Grid ERP* Leased Copper lines Micro Waves * - Enterprise Resource Planning Consumers 14:23 15
Development of Telecom Technology - Summary 1 st Generation 2 nd Generation HF Satellite Micro Cellular Telephony PSTN PTN VHF Radio Phone Wave Mobiles Tele Printing PLCC Tele Protection Tele Metering DAS PSTN / GSM Leased Copper Micro line ERP Wave 14:23
GETCO Experience Public Switched Telecom Network • Dependent on service provider • The only source at that time • Costlier PLCC • Dedicated & safe • Part of Utilities own transmission network • Frequency congestion • No dependence on • Limited band width service provider – Restricted data transmission • Ruled for years • Now digital PLCC, but same core technology 14:23
GETCO Experience VHF • Helped in natural calamities (Massive earthquake in Kutch) • Open mode • No network jam • No dependence on • Requires license • Up to limited distance service provider • Simultaneous contact to many users • Very useful in Distribution System for load management HF Radio • Useful for long distance • Disaster Management • Requires license (Massive earthquake in Kutch) 14:23
GETCO Experience Satellite Phone • Disaster Management • Requires License (Massive earthquake in Kutch and • Costlier flood in Surat) • Useful for long distance Micro waves • Requires License • Relatively low cost • Requires Line of sight • Wide bandwidth • Weather dependent Leased copper lines • Wide bandwidth • Dependent on service provider • More reliable 14:23
Tomorrow's Needs: Applications 14:23
Wind Farm Solar Power Transmission Transmission Plant Transmission Sub Station Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Distribution Substation Substation • Remote meter readings Distribution Substation Power Station Load Dispatch Centre Load Dispatch Centre Distribution Grid • AMR* for ABT^ meters * - Automatic Meter Reading Consumers Consumers 14:23 21 ^ - Availability Based Tariff
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Distribution Substation Substation • Remote Control of Sub Stn Distribution Substation Power Station Load Dispatch Centre Load Dispatch Centre Distribution Grid • Sub Stn Automation and SCADA* * - Supervisory Control And Consumers 14:23 22 Data Acquisition
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Distribution Substation Substation • Monitoring Power System health Distribution Substation Power Station Load Dispatch Centre Load Dispatch Centre Distribution Grid • WAMS* * Wide Area Monitoring System Consumers 14:23 23
Wind Farm Solar Power Transmission Plant Transmission Sub Station Receiving Grid Sub Substation Transmission Grid Distribution Distribution Substation Substation • Monitoring Renewable Distribution Substation Energy Power Station Load Dispatch Centre Load Dispatch Centre Distribution Grid • Renewable Energy Integration Consumers 14:23 24
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission Intra Grid net Corporate Data Centre Distribution Substation • Internal mass communication • Monitoring Distribution Substation Power Station -Daily Reports Load Dispatch Centre Distribution Grid -maintenance data -Project Progress • Online exam, etc Intra Net Consumers 14:23 25
Transmission Transmission Sub Station Receiving Grid Sub Substation Transmission GIS* Grid Corporate Data Centre Distribution Substation • Long term benefits for - maintenance, Distribution Substation Power Station - laying new lines and Load Dispatch Centre Distribution Grid - interface with other agencies GIS Mapping * Geographical Information System Consumers 14:23 26
Tomorrow's Needs: Applications - Summary Smart Grid Applications in Transmission Telephony • Automatic Meter Reading for ABT meters • Intra net Tele Printing • Sub Station Automation & Remote Control of Sub station (i.e. SCADA) Tele Protection • Wide Area Monitoring System (WAMS) + • Renewable energy integration • Video Conferencing, Operational Surveillance Tele Metering • Geographical Information System (GIS) Mapping • Distribution Automation (DA) DAS • SCADA • Advanced metering infrastructure (AMI) ERP • Demand Response (DR) Smart Grid Applications in Distribution 14:23
Tomorrow’s Needs - Features Bulk data – Higher Band-width High Speed – Low latency High Reliability and Dependability Immune to EMI Data transmission over long distance Secure Redundancy Cost effective 14:23 28 28
Tomorrow's Needs: Solution • Automatic Meter Reading for ABT meters Telephony • Intra net • Sub Station Automation & Remote Control of Sub station Tele Printing 3rd Generation (i.e. SCADA) • Wide Area Monitoring System (WAMS) Fiber Optics - FO cables in Ground wire Tele Protection + • Video Conferencing OPGW • Geographical Information System (GIS) Mapping • No limitation in band-width – Tele Metering • Enterprise Resource Planning (ERP) huge transmission capacity • Part of Transmission line - • Distribution Automation (DA) Utilities own network DAS • SCADA • Immune to interference • No dependence on service provider • Advanced metering infrastructure (AMI) • Provides sufficient reserve capacity ERP • Demand Response (DR) to accommodate future expansion 14:23
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