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SHUNT TRANSFORMER INFLAMMATION AT THE HIGH-VOLTAGE (750 KW) LINE SWITCHYARD

On 8 March, 1994 at 0:35 a.m. at the Zaporozhe NPP 750 kW switchyard the "Dneprovskaya" high-voltage line shunt transformer got inflamed.
At 0:50 a.m. in accordance with the plant procedure and by the dispatcher's-on-duty requirement the reactor power was reduced by 500 MWe.
At 4:00 a.m. "the Dneprovskaya" line was back under voltage and at 4:30 a.m. the reactor power was restored up to the previous rate.
The event had no safety or radiation impact neither on the site nor on the region. The event causes are being investigated by a special commission.

Location: ZAPOROZHE-1
Event date: Tue, 08-03-1994
Nuclear event report
Legenda & explanation