The Emerging Smart Grid
A pilot MV/BPL network installed at Lavrion,
Greece
Athanasios G. Lazaropoulos, Angeliki M. Sarafi and
Panayotis G. Cottis
Workshop on Applications for Powerline Communications, October 2008
Slide 2
Outline
• Introduction
• Market Overview
• The Lavrion Pilot Project
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–
–
–
Topology Configuration
Networking Analysis
Photos
Measurements Example
• Conclusions and Questions
Slide 3
Introduction
• Main Characteristics of smart grid
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–
–
–
–
Variety of generation options (Renewable sources)
New policies and pricing regimes
Quality and Reliability
Self healing (detect, analyze, respond, restore)
Network attack immunity
• Growing technology markets
–
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Advanced Meters
Sensors, Monitors, Controllers
New Power Electronics Systems
Smart Equipment and Appliances
Slide 4
Market Overview (1/2)
• Smart Grid Definition
– Digital technology to
delivery segment
• Market Definition
• Transmission vs.
Distribution vs. Grid
– HV vs MV
– Overlap in
technologies and
vendors
– Little overlap in
buyers
Slide 5
Market Overview (2/2)
• Line Infrastructure
– Poles, Cables, Fittings that carry the power
• Station Infrastructure
– Switches, Breakers, Transformers
– Hardware, Software and services for design,
construction, operation, monitoring and control
• Edge Infrastructure
– Connecting generation sources
– Metering Electrical usage
Slide 6
Utility Efficiency Benefits from Smart Grid (1/2)
Customer Interface
• Automatic meter
reading
• Service
connect/disconnect
• 802.11 availability to
police/fire departments
System Protection
• Fault recognition and
location
Load and Distributed
Generation
Management
• Demand side
management
• Centralized dispatch
of distributed
generation
• Peak load shaving
Slide 7
Utility Efficiency Benefits from Smart Grid (2/2)
Distribution Automation
Diagnostic Monitoring
• Automation of line
reclosers and switches
• VAR control
(capacitors, regulator,
voltage metrics)
• Isolation of faults on
single phases; rapid
restoration
• Outage location and
notification
• Conductor temperature,
line voltage, status of line
arrestors, fuses, line
transformer
• Analyze line noise (EMI
analysis)
• Real-time monitoring and
predictive maintenance of
Underground networks
• Identification of servicetheft
Slide 8
MV/BPL Network
• Typical Topology
• Injector, Repeater
and Extractor
• Second generation
MV/BPL units (all
the above
operations in one)
– WiFi/WiMax
connection
Slide 9
GEN 2 MV/BPL Network
• Easy
implementation (all
in one)
• Improved Circuit
Speed
• MIMO type
antennas
• Protocols IEEE
802.11 a, b, g and n
• Multicast
Slide 10
The Lavrion Pilot Project
Slide 11
Implementation Diagram
• Underground
MV Network
(500m)
• Overhead MV
Network (2km)
• Pole 1, 2, 3 and
4
• Substation
MS76
Slide 12
Underground Installation
Slide 13
Overhead Installation
Slide 14
Photos of Implementation
(1)
(4)
(2)
(3)
(5)
Slide 15
Lavrion Smart Grid Implementation
• Underground
MV Network
(500m)
• Overhead MV
Network (2km)
(4)2, 3
• Pole 1,
and 4
• Substation
MS76
Slide 16
Lavrion Smart Grid Measurements
(4)
(1)
(2)
(3)
(4)
Slide 17
The Emerging Smart Grid
A pilot MV/BPL network installed at Lavrion,
Greece
Athanasios G. Lazaropoulos, Angeliki M. Sarafi and
Panayotis G. Cottis
e-mail: thlazar@mail.ntua.gr
Workshop on Applications for Powerline Communications, October 2008