ML20024C173

Proposed Tech Specs Re RCS Temp

ML20024C173
Person / Time
Site:	North Anna
Issue date:	07/06/1983
From:	VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20024C170	List: ML20024C169 ML20024C173
References
NUDOCS 8307120361
Download: ML20024C173 (9)

Text

- - - _ ._

TABLE 15.2-1 (Continued)

TIME SEQUENCE OF EVENTS FOR CONDITION II EVENTS Accident Event Time (sec.)

Excessive Load Increase

1. Manual Reactor Control (fiinimum 10% step load increase 0 Feedback)

Equilibrium conditions reached (approximate cimes only) 200

2. Manual Reactor Control (Maximum 10% step load increase 0 Feedback)

Equilibrium conditions reached (approximate times only) 100

3. Automatic Reactor Control (Minimum 10% step load increase 0 Feedback)

Equilibrium conditions reached 200

4. Automatic Reactor Control (Maximum 10% step load increase 0 Feedback)

Equilibrium conditions reached (approximate times only) -

200 8307120361 830706 PDR ADOCK 05000338 P PDR 15.2-88 6995A:1 51

m 17.537-13 I

1.200

- 1.175 -

a g2 1.150 -

$jlE 1.125 -

n.

m -

< $ 1.100 W2 y o 1.075 -

m-2 S 1.050 -

m E 1.025 [

1.000 620 m 610 -

e m

< 600 -

e E

3 590 -

~c

$o --

< 580 -

m m

< 570 -

w z

O

'J MO -

l l

550  ! l l l l 0 50 100 150 200 250 300 l

TIME (SECONDS)

Figure 15.2-33 Excessive Load increase Without Rod Control. Minimum Feedback 85

l i

, 17.537-14 q

l l l l l

$ 2300 -

w

$ 2200 a

w

[ 2100 -

e N 2000 -

E D

E w

1900 -

E 1800 74 72 -

70 -

u.

$ 68 -

66 64 1.8 x /

g 1.6 O ,

1.4  ! l l l 0 50 100 150 200 250 300 TIME (SECONDS) .

Figure 15.2-34 Excessive Load increase Without Rod Control, Minimum Feedback 86

. . . - _,_= , . , - _ . . .- - - - . - - . . . - _ _ -

, 17.537 15 1.200 l l l l l 1.175 -

a gz 1.150 -

W5 g g 1.125 -

m.

m

< $ 1.100 wz go 1.075 -

m-Z $ 1.050 x

E 1.025 I

1.000  :-

620 g E10 -

, c 3

t-

< 600 -

m E A 3 590 -

wo E

E~

m 580 -

m

< 570 -

m m

O c2 560 -

! 550 0 50 100 150 200 250 300 i

TIME (SECONDS)

Figure 15.2-35 Excessive Load increase Without Rod Control, Maximum Feedback 87

, 17.537-16 2400 l l l l l w 2300 -

m D

E w 2200 C I

m ;;; 2100 -

b

$ 2000 -

a w

m 1900 -

1800 74 72 -

g 70 -

W 4 68 66 -

64 1.8 1.6 e

cm z

O -

1.4 -

i l I I I I i

1.2 O 50 100 150 200 ~250 300 TIME (SECONDS)

Figure 15.2-36 Excessive Load increase Without Rod Control,Plaximum Feedback 88

i

. l

, 17,537-17 1

1.200 l l l l l 1.175 -

g $ 1.150 -

-5 EO 1.125 -

Oz u

e 1.100 -

<a

• $ 1.075 8P z y 1.050 -

e S. 1.025 -

1.000 620 m 610 -

m "3

< 600 -

c:

E N 3 590 -

• C

< 580 -

m w

< 570 -

' w x

0 u 560 -

550 0 50 100 150 200 250 300 TIME (SECONDS)

Figure 15.2-37 Excessive Load increase With Rod Control. Minimum Feedback 89

• 17.537-18 2400 l l l l w 2300 -

~

c D

,$ 2200 \

m o.

m y 2100 -

$ 2000 -

a w

1900 -

{

1800 74 72 -

g;- 70 -

c.

<3 68 66 -

64 1.8 l

1.6 I-e m

z Q

1.4 -

1.2 l l l l l 0 50 100 150 200 -

250 300 TIME (SECONDS)

Figure 15.2-38 Excessive Load increase With Rod Control, Minimum Feedback 90

17.537-20 l W 2400 m

D  ! I l l m l

$ 2300 -

e

• 2 h 05 2200

@E B!

z m 2100 -

w f 2000 74 72 -

C 70 -

L H

<3 68 66 -

64 1.8 1.6 m

en z

Q 1.4 -

I 1.2 l l l l l 0 50 100 150 200 250 300 TIME (SECONDS) . l l

I Figure 15.2-40 Excessive Load increase With Rod Control. Maximum Feedback 92 l

t -

. _ . ~ - . _

O I'.53'.19 1.200 -

! l l l l 1.175 -

g Z 1.150 -

WE

@ j 1.125 -

n.

e $ 1.100 -

h 1.075 3H z @ 1.050 m

E 1.025 -

1.000 620 m 610 -

e D

< 600 -

e

$ N 3 590 -

~

$c

< 580 -

x w

< 570 -

w m

O u 560 -

4 550 I I  !  ! l 0 50 100 150 200 250 300 TIME (SECONDS) l Figure 15.2-39 Excessive Load increase With Rod Control. Maximum Feedback 91

.- . . ..