North Anna Power Station: Difference between revisions
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|testtime = Around 11:10-11:15 AM | |testtime = Around 11:10-11:15 AM | ||
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[[File:Lake Anna State Park sign.JPG|thumb|A sign near the entrance to Lake Anna State Park, with information about the plant and its system.]] | [[File:Lake Anna State Park sign.JPG|thumb|A sign near the entrance to Lake Anna State Park, with information about the plant and its system.|263x263px]] | ||
The '''Early Warning Siren System''' for the '''North Anna Power Station''' is comprised of 68 Whelen [[WPS-2800 | The '''Early Warning Siren System''' for the '''North Anna Power Station''' is comprised of 68 Whelen [[Whelen WPS-2800|WPS-2806]] and [[Whelen WPS-2900|WPS-2906]] sirens, located throughout Caroline, Hanover, Louisa, Orange and Spotsylvania counties. The sirens replaced a previous system, possibly of [[Sentry Siren|Sentry]] sirens, over a transitional period from 2006 to 2007. | ||
The system is tested on the third Wednesday of February, May, August, and November at or around 11:10 AM, in 3 minutes of alert. The system uses a sequence of three activation signals, resulting in a distinct "triple windup" sound. | The system is tested on the third Wednesday of February, May, August, and November at or around 11:10 AM, in 3 minutes of alert. The system uses a sequence of three activation signals, resulting in a distinct "triple windup" sound. | ||
Revision as of 22:38, 23 August 2024
| North Anna Power Station | |
 Siren #56, in Louisa County | |
| Type | Nuclear |
|---|---|
| Location | Louisa County, Virginia area |
| Date installed | Original system: 1981-1982 Current system: 2006-2007 |
| Status | Active |
| Testing dates | 3nd Wednesday of February, May, August, and November |
| Testing times | Around 11:10-11:15 AM |
The Early Warning Siren System for the North Anna Power Station is comprised of 68 Whelen WPS-2806 and WPS-2906 sirens, located throughout Caroline, Hanover, Louisa, Orange and Spotsylvania counties. The sirens replaced a previous system, possibly of Sentry sirens, over a transitional period from 2006 to 2007.
The system is tested on the third Wednesday of February, May, August, and November at or around 11:10 AM, in 3 minutes of alert. The system uses a sequence of three activation signals, resulting in a distinct "triple windup" sound.
Most sirens use 560 Hz ESC-2020 controllers; however, a few use 435 or 465 Hz tones.
See also
- Surry Power Station, also located in Virginia, and with an identical siren composition
