United States Nuclear Regulatory Commission - Protecting People and the Environment

Transient

A change in the reactor coolant system temperature, pressure, or both, attributed to a change in the reactor’s power output. Transients can be caused by (1) adding or removing neutron poisons, (2) increasing or decreasing electrical load on the turbine generator, or (3) accident conditions.

Page Last Reviewed/Updated Wednesday, May 07, 2014