Question

Using the Internet, name three cities in the Western Interconnection of the United States that have secondary network systems.

Short answer

Answer

United States, New York, Seattle, Chicago, Albany, New York, and Tennessee etc.

Step-by-step solution

Define secondary network

The underground secondary network is simultaneously supplied by two or more primary feeders through network transformers. In order for a network to function even when two primary feeders are out of service, most networks are made of three or more primary feeders and spare transformer capacity.

Determine answer

In the United States, large secondary distribution network networks are present in cities like New York, Seattle, and Chicago. Small grid networks exist in downtown regions of even comparable cities like Albany, New York, and Tennessee.

There are currently secondary network systems in place in cities in the Western Interconnection of the United States, including Seattle in Washington, San Francisco, and Oakland in California.