Synchrophasors Overview
Synchronized phasor measurements (synchrophasors) provide real-time measurement of electrical quantities from across a power system. Applications of synchrophasor measurements include system model validation, determining stability margins, maximizing stable system loading, islanding detection, system-wide disturbance recording, and visualization of dynamic system response. The basic system building blocks are GPS satellite-synchronized clocks, phasor measurement units (PMUs), a phasor data concentrator (PDC), and visualization software.
Typical Synchrophasor System Architecture
A complete system includes GPS clocks, PMUs, PDCs, secure communications, and visualization software.
Why choose SEL?
- SEL has a comprehensive portfolio of products to create a complete solution that meets your needs.
| - SEL relays have PMU capability built-in. This makes SEL systems economical and easy to implement.
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- SEL has experience implementing systems
worldwide and guarantees all products with a ten-year warranty.
| - The SEL Engineering Services Division can design, install, and commission your system to meet your schedule and budget.
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Synchrophasor-Based Power System Protection and Control Applications
Abstract: New technologies allow synchrophasors to be processed in real time. Synchrophasor systems are now used for real-time wide-area protection and control. This paper examines several ways synchrophasors are used, including:
- Voltage stability detection and correction
- Load/generator shedding
- Islanding control
- Intermittent source control and grid interconnection
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Each application includes a discussion of how synchrophasors are a unique solution and provide benefits over traditional solutions. The paper reviews application performance, speed, data requirements, and equipment. We also discuss a future time-synchronized control solution.
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Application Guides
Application Notes
Case Studies
Technical Papers
SEL University Training
Coming this summer—SYS 310 synchrophasor training!