BE READY: Seattle City Light reminds us that storm season is nearing

October 9, 2017 9:02 pm
|    Comments Off on BE READY: Seattle City Light reminds us that storm season is nearing
 |   Preparedness | Utilities | West Seattle news

(WSB photos. Above, closeup look at the fuse that can blow to ‘isolate damage’)

Though the weather’s been relatively calm otherwise, Friday’s breeziness might have reminded you that windstorm season is getting closer. And with – sometimes without – wind, comes power trouble. That’s why Seattle City Light invited media crews to its SODO yard (the one next to the West Seattle Bridge on 4th Avenue South) today. The message was twofold: City Light is working to upgrade technology to shorten outages – and urges you to be ready for them. Here’s spokesperson Scott Thomsen:

The briefing included an explanation of what some describe as “transformer explosions” – they are actually fuses that blow protectively:

When a tree falls into power lines, or heavy ice and snow weigh down branches that then cross two or more power lines, it creates a short circuit. The resulting power surge that could damage equipment. Utilities have circuit breakers and fuses in place to protect equipment, such as the transformers that reduce the voltage of electricity from the distribution grid to the service level voltage for your home or business. Those breakers open and fuses blow to isolate damage and protect other equipment, which reduces the likelihood of prolonged power outages for entire neighborhoods.

Once power is out, crews have to both fix the problem and route power around it. New technology is being tested that will automatically handle the latter. In the meantime, SCL continues to take preventive measures such as tree-trimming and vegetation-clearing along 600 miles of power lines every year.

Though SCL is also starting to install automated meters that will give the system a better idea of who’s out and where, they still ask you to call when the power goes out – 206-684-3000 – keep that number in your phone. And check out these preparedness checklists – before the weather gets into the potential-outage zone.

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