EG2 Ch.3 Flashcards
How does the Department of Energy define a smart grid?
The incorporation of the concepts, philosophies, and technologies that enable the internet into the electrical grid
What is peak load?
When demand for electricity is at its highest
When is peak load?
Late afternoon and early evening hours
What is the common theme for the blackouts we have had in the past?
Cascading
What is cascading?
Cascading is the domino effect of outages on interconnected circuits.
When is cascading most likely to occur?
When demand is at its peak
Which month has the highest demand?
August
Explain why we need a smarter grid?
Due to the high strain on the grid during peak loading and the effects of cascading power failures
What are the ten smart grid concepts and philosophies?
Modernized, Intelligent, Efficiency, Renewable, Automation, Remote Control, Self-Healing, Resilient, Secure, and Demand Side Management
What is Bi-directional energy flow?
Bi-directional energy flow means that power flows from either side, source or load
What is islanding?
Islanding refers to a portion of the electrical system that can operate independently from the main grid
What are peaker plants?
Peaker plants are generators that increase operation only during the peak loading times of day, if needed
Name the ways we can store energy for later use during times of high demand.
Pumped storage hydro-electricity, Molten Salt, Batteries, Compresses Air, and Flywheel
What does ACCC stand for? It’s a type of wire.
Aluminum Conductor Composite Core
