chapter  1
26 Pages

Securing Power Systems

WithMARTIN SAINT, JUAN HOYOS, TIMOTHY X. BROWN

Contents 1.1 Power System Overview ..................................................................................................... 2

1.1.1 The Power System as Critical Infrastructure ........................................................... 3 1.1.2 Generation .............................................................................................................. 4 1.1.3 Transmission ........................................................................................................... 4 1.1.4 Distribution ............................................................................................................ 5 1.1.5 Load ....................................................................................................................... 6

1.2 New Capabilities and Challenges for Modern Control Systems ......................................... 6 1.2.1 Objectives ............................................................................................................... 7 1.2.2 Performance ............................................................................................................ 8 1.2.3 Culture ................................................................................................................... 8 1.2.4 Cyber-Physical Coupling ........................................................................................ 8 1.2.5 Distributed Systems ................................................................................................ 8 1.2.6 Design Lifetime ...................................................................................................... 8 1.2.7 Regulation and Standards ....................................................................................... 9 1.2.8 Risk Management ................................................................................................... 9

1.3 IEC 61850 Standard ........................................................................................................... 9 1.3.1 Background ............................................................................................................ 9 1.3.2 Overview of the Standard ......................................................................................11 1.3.3 Example IEC 61850 Functionality ........................................................................ 12 1.3.4 Challenges and Vulnerabilities ...............................................................................13