ML20118A641

Proposed TS Table 2.2-1 Table Notations Re Ovetemp delta-T & Overpower delta-T

ML20118A641
Person / Time
Site:	Vogtle
Issue date:	09/17/1992
From:	GEORGIA POWER CO.
To:
Shared Package
ML20118A640	List: ELV-04004, Application for Amends to Licenses NPF-68 & NPF-81,revising TS Re Overtemp delta-T & Overpower delta-T Reactor Trip Functions to Provide Addl Operating Margin to Reactor Trip & Turbine Runback Setpoints to Account for Flow Phenomena ML20118A641
References
NUDOCS 9209240265
Download: ML20118A641 (3)

Text

{{#Wiki_filter:. ENCLOSURE 3 VOGTLE ELECTRIC GENERATING PLANT REQUEST TO REVISE TECilNICAL SPECIFICATIONS OVERTEMPERATURE DELTA-T AND OVERPOWER DELTA-T ggACTOR TRIP FUNCTIONS INSTRUCTIONS FOR INCORPORATION The proposed change should be incorporated in the Technical Specifications as outlined below: Remove Pace Insert Pace 2-7*/2-8 2-7*/2-8 2-9*/2-1, 2-9*/2-10 s $b

• Overleaf page containing no change.

E3-1 9209240265 920917 PDR ADOCK 05000424 P ppg

-. - ~ l ~ h TABLE 2.2-1 (Continued) L M TABLE NOTATIONS m E NOTE-1: -0VERTEMPERATURE AT a I _1 f

5) $ AT, { K 7

AT [T (y,7sg) - T 1 + K (P - P') - f (AI)) K2 ( 3 3 t 13 .g po. Measured AT to Where: AT = 1 I lead-lag compensator on measured AT; = f Time constants utilized in lead-lag compensator for AT, 1: > 8 s, =- 11, 12 12 1 3 s; Lag. compensator on measured AT; = 1+15 <- 2 3 ) 13- - =.. Time' constants utilized.in the lag compensator for AT, 13 e s;. ~ Indicated AT at RATED THERMAL POWER; 'AT- = o Kg. 5 1.12 0.0224/*F-K2 = 1 + I = The function generated by'the lead-lag compensator for T 1

• ISD avg i

gg' dynamic compensation; .oo 14, is Time constants utilized in the lead-lag compensator for T"#9, 14 > 28 s, i = ' (ff is $~~4 s; -l wu Average temperature, *F; T- = i l y, ts5 -. = Lag' compensator on measured T,yg; er- = Time constant utilized in.the measured.T,y'g lag compensator, ts' = 0 s; E is-i l +, a c -, - +

~ S TABLE 2.2-1 (Continued) G TABLE NOTATIONS (Continued) c-mZ sn s NOTE 3: OVERPOWER AT -Ksfy'!,,5) (3)ys3)T-Ks[T(1+ts5) f (AI)) (1fT5)$AT,-{K S l AT 4 2 + 3 Where: AT Heasured AT = I Lead-lag compensator on measured AT; = T1. T2 Time constants utilized in lead-lag compensator = ] for AT, ty 18 S,12 5 3 s; 1 Lag compensator on measured AT; = 1+153 Ti constants utilized in the lag compensator for AT, = T3 T3 s;, 2 kk AT Indicated AT at RATED THERMAL POWER; = oo o $I K 5 tre8- /, off 4 aa 1 0.02/*F for increasing average temperature and 2 0 for decreasing average K5 22PP temperature, lX$ '7S t5 The function generated by the rate-lag compensator for T,yq dynamic = .y 7 compensation, -55 $N T7 Time constants utilized in the rate-lag Compensator for T,yg, 17 1.10 s, ms 1 1+15 Lag c spensator on measured T,yg; = 6 .}}