• GE’s Phasor Measurement System Allows SCE to Enhance Operator Situational Awareness;
• Phase 1 of Project to Enable Exchange of Information with Other Utilities and System Operators in the Western Electricity Coordinating Council Region;
• Electric Power Group (EPG) and Instep Software Provide Key Technologies.
In order to assist grid operators in the early detection of such threats, GE (NYSE: GE) is providing Southern California Edison (SCE) with a Phasor Measurement System to acquire, monitor, visualize, analyze, archive and share phasor measurement information. In contrast to traditional SCADA systems that acquire measurements at rates of two to 10 seconds, GE’s Phasor Measurement System acquires measurements of underlying grid conditions from phasor measurement units (PMUs), located within SCE’s system as well as neighboring utilities, at a rate of 30 times per second, providing operators with visibility to power system dynamics and a real-time wide-area view of the grid.
The phasor project, also known as a wide-area situational awareness system, involves the deployment of PMU devices in 500 kV and 230 kV substations throughout SCE’s network and their integration with associated situational awareness applications at the grid control center, providing real-time decision support to system operators. The solution provides real-time monitoring of power flows, voltage magnitudes and phase angle differences between utility substation busses as well as frequency and its associated rate of change. The design of the system also accommodates the incorporation of supplemental information from other sources such as energy management systems and non-electrical system data (weather, traffic, fire, earthquake, etc.) to provide a holistic real-time view of the electrical grid for system operators.
“GE is providing an EMS-like platform that combines synchrophasors with other sources of information to enhance wide-area situational awareness in real time,” said Michael Carlson, general manager software solutions for GE’s Digital Energy business. “Our phasor system will enable SCE to complete phase one of the project by exchanging synchrophasor data with the Western Electricity Coordinating Council and its member utilities.”
About Southern California Edison
An Edison International (NYSE: EIX) company, Southern California Edison is one of the nation’s largest electric utilities, serving a population of nearly 14 million via 4.9 million customer accounts in a 50,000-square-mile service area within Central, Coastal and Southern California.
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