The Emerging Smart GridA 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

Outline• Introduction• Market Overview• The Lavrion Pilot Project

– Topology Configuration– Networking Analysis– Photos– Measurements Example

• Conclusions and Questions

Slide 2

Introduction• Main Characteristics of smart grid

– 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– Advanced Meters– Sensors, Monitors, Controllers– New Power Electronics Systems– Smart Equipment and Appliances

Slide 3

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 4

Market Overview (2/2)

Slide 5

• 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

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 6

Utility Efficiency Benefits from Smart Grid (2/2)Distribution Automation• Automation of line

reclosers and switches• VAR control

(capacitors, regulator, voltage metrics)

• Isolation of faults on single phases; rapid restoration

• Outage location and notification

Diagnostic Monitoring• 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 service-theft

Slide 7

MV/BPL Network• Typical Topology• Injector, Repeater

and Extractor• Second generation

MV/BPL units (all the above operations in one)– WiFi/WiMax

connection

Slide 8

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 9

The Lavrion Pilot Project

Slide 10

Slide 11

Implementation Diagram• Underground

MV Network (500m)

• Overhead MV Network (2km)

• Pole 1, 2, 3 and 4

• Substation MS76

Underground Installation

Slide 12

Overhead Installation

Slide 13

Slide 14

(2) (3)(1)Photos of Implementation

(4) (5)

Slide 15

Lavrion Smart Grid Implementation

(4)

• Underground MV Network (500m)

• Overhead MV Network (2km)

• Pole 1, 2, 3 and 4

• Substation MS76

Slide 16

Lavrion Smart Grid Measurements

(4)

(1) (2) (3) (4)

The Emerging Smart GridA 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 17

e-mail: thlazar@mail.ntua.gr