Document: NUREG-0800
Document ID: 158d2799-095f-489a-ad93-55aed9021088
Document Type: srp
Title: -
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0622/ML062210398.pdf
Revision Date: 2023-06
Chapter: 14
Section ID: 14.2.1
CFR Part: 
CFR Title: 

Content:
August 2006 Dynamic response of plant to turbine trip (turbine trip or generator trip) RG 1.68, App A 5.l.l IP 72580 IP 72514 Trip from steady-state operation at greater than 95% of RTP Initiation of the test by trip of the main generator output breaker Recirculation system flow control mode must be specified Performance in accordance with design, including: Reactor coolant pumps do not trip Pressurizer spray valve opens and closes at the specified values Reactor pressure remains below the setpoint of the first safety valves; pressurizer safety valves do not lift or weep Pressurizer level within prescribed limits Steam system power actuated pressure relief valve opens and closes at specified values Reactor coolant pressure/temperature relationship remains within defined values SG level remains within prescribed limits, no flooding of the steamlines during the transient, no initiation of emergency core cooling system and MSIV isolation during the transient Turbine bypass system operates to maintain specific pressure (plants with 100% bypass capability shall remain at power without scram during the transient) Plants with select rod insertion shall maintain power without scram from recirculation pump overspeed or cold feedwater effect Reactor protection system (RPS) functions should be verified All safety and emergency core cooling systems such as the RPS, high pressure coolant injection (HPCI), diesel generators (DGs), and reactor core isolation cooling (RCIC) function without manual assistance if called upon Normal reactor cooling systems should maintain adequate cooling and prevent actuation of automatic depressurization system, even though relief valves may function to control pressure Plant electrical loads (transferred as designed) Turbine overspeed criteria met 15.2.1 Turbine Trip Dynamic response of plant to automatic closure of all MSIVs RG 1.68, App A 5.m.m IP 72510 Initial power level of 100% of RTP Performance in accordance with design Acceptance criteria