Generator Woes Shut NJ Nuke

Monday, February 8, 2016 @ 11:02 AM gHale

An electrical problem in its main generator caused the Salem 2 nuclear reactor in Lower Alloways Creek, NJ, to shut down Thursday morning, an official said.

The plant, one of three operated by PSEG Nuclear, automatically went off-line at 11:21 a.m., said utility spokesman Joe Delmar.

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An automatic safeguard system detected an electrical problem in the plant’s main generator and caused the shutdown of the plant’s turbine, Delmar said. The turbine turns the generator which produces electricity.

The stopping of the turbine caused the nuclear reactor to automatically trip off-line.

“The plant responded as designed,” Delmar said. He added he could not estimate when the plant would return to service.

The problem area is on the non-nuclear side of the plant, Delmar said.

Salem 2 had been operating for 65 consecutive days since ending a scheduled refueling outage Dec. 1.

At the time it shut down, Salem 2 was operating at 74 percent power at the request of the regional power grid operator because of transmission line work, Delmar said.

Salem 2 is one of three nuclear reactors operated by PSEG Nuclear at its Artificial Island generating complex in Lower Alloways Creek Township.

The three plants comprise the second-largest commercial nuclear complex in the United States.

Salem 1 and Hope Creek remained operating at full power Thursday afternoon, Delmar said.

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