This chapter discusses the opportunities that PMUs bring to enhance system monitoring and protection. Three topics are included: monitoring of power system operation, monitoring of power system model and wide-area fault location based on PMU measurements.

Chapter Contents:

• 5.1 Introduction
• 5.2 Monitoring of power system operation: state estimation
• 5.2.1 Background
• 5.2.2 State estimation solution
• 5.2.3 Use of PMUs for state estimation
• 5.3 Monitoring of power system model
• 5.3.1 Introduction
• 5.3.2 Online transmission line parameter estimation
• 5.3.3 Load model monitoring
• 5.3.3.1 Online load model validation
• 5.3.3.2 Discussion on load model validation procedure
• 5.3.4 System-level model monitoring
• 5.4 Wide-area fault location based on PMU measurements
• 5.4.1 Introduction
• 5.4.2 Fault location algorithm
• 5.5 Conclusion
• References

Inspec keywords: power system protection; power grids; phasor measurement

Other keywords: power system monitoring; wide-area fault location; PMU measurements; enhanced power grid monitoring; power grid protection; power system protection

Subjects: Power system protection; Power system measurement and metering