ML021680400

Technical Specifications - McGuire Amendments 202 & 183

ML021680400
Person / Time
Site:	Mcguire, McGuire
Issue date:	05/23/2002
From:	NRC/NRR/DLPM
To:
References
TAC MB2679, TAC MB2680
Download: ML021680400 (2)

Text

RTS Instrumentation 3.3.1 Table 3.3.1-1 (page 5 of 7)

Reactor Trip System Instrumentation Note 1: Overtemperature AT Value shall not exceed the following NOMINAL The Overtemperature AT Function Allowable TRIP SETPOINT by more than 4.3% of RTP.

<:! T, {K - K, (+'r, S) IT 1 - T'l + K3 (P - P,) - f, (A,)}

AT (1 I+,s) 1 (1 +T, s) (1 +r s)

(10+ s) ( + 1 -'AT RTDs, OF.

Where: AT is measured RCS AT by loop narrow range ATo is the indicated AT at RTP, °F.

s is the Laplace transform operator, sec-1.

OF.

T is the measured RCS average temperature, OF.

T' is the nominal Tavg at RTP, < 585.1 psig P is the measured pressurizer pressure,

= 2235 psig P' is the nominal RCS operating pressure, TRIP SETPOINT, as presented in K1 = Overtemperature AT reactor NOMINAL the COLR, setpoint penalty coefficient, as K2 = Overtemperature AT reactor trip heatup presented in the COLR, setpoint penalty K3 = Overtemperature AT reactor trip depressurization coefficient, as presented in the COLR, controller for AT, as presented in the r1,Jc2 = Time constants utilized in the lead-lag COLR, in the compensator for AT, as presented

= Time constants utilized in the lag COLR, for Tavg, as presented in the "T4, "15 = Time constants utilized in the lead-lag controller COLR, Tavg lag compensator, as presented "T6 = Time constants utilized in the measured in the COLR, and, top and bottom detectors of fl(AI) = a function of the indicated difference between with gains to be selected based on the power-range nuclear ion chambers; startup tests such that:

measured instrument response during plant "negative" fi(AI) breakpoints as (i) for qt - qb between the "positive" and qt and qb are percent presented in the COLR; f1(AI) = 0, where and bottom halves of the RATED THERMAL POWER in the top POWER in percent core respectively, and qt + qb is total THERMAL of RATED THERMAL POWER; (continued)

Amendment Nos. 202/183 3.3.1-18 McGuire Units 1 and 2

RTS Instrumentation 3.3.1 Table 3.3.1-1 (page 6 of 7)

Reactor Trip System Instrumentation

- qb is more (ii) for each percent imbalance that the magnitude of qt in the negative than the fl(AI) "negative" breakpoint presented reduced by the COLR, the AT Trip Setpoint shall be automatically f 1(AI) "negative" slope presented in the COLR; and of qt - qb is more (iii) for each percent imbalance that the magnitude COLR, positive than the fl(AI) "positive" breakpoint presented in the reduced by the f1 (AI) the AT Trip Setpoint shall be automatically "positive" slope presented in the COLR.

Note 2: Overpower AT not exceed the following NOMINAL TRIP The Overpower AT Function Allowable Value shall SETPOINT by more than 2.6% of RTP.

1l+ 1"3 S  :<_ATo {K _ K5 T,s SS l+'"7 1+ C6 S TK6LT . + 1-r, s T]_f 2 (A/)}

AT~l (+1,s)r2 4 OF.

Where: AT is measured RCS AT by loop narrow range RTDs, AT0 is the indicated AT at RTP, OF. 1 s is the Laplace transform operator, sec .

T is the measured RCS average temperature, OF.

T is the nominal Tavg at RTP, < 585.1 OF.

as presented in the

'14 = Overpower AT reactor NOMINAL TRIP SETPOINT COLR, 0 for decreasing average K5 = 0.02/°F for increasing average temperature and temperature, coefficient as presented K6 = Overpower AT reactor trip heatup setpoint penalty inthe COLRforT>T and K6 =OforT<T, for AT, as presented in the tC1 , 'r 2 = Time constants utilized in the lead-lag controller COLR, for AT, as presented in the "T3 = Time constants utilized in the lag compensator COLR, compensator, as presented T;6 = Time constants utilized in the measured Tavg lag in the COLR, for Tavg, as presented in the "T7 = Time constant utilized in the rate-lag controller COLR, and top and bottom detectors of f2(AI) = a function of the indicated difference between to be selected based on the power-range nuclear ion chambers; with gains tests such that:

measured instrument response during plant startup (continued) 3.3.1-19 Amendment Nos. 202/183 McGuire Units 1 and 2