ESF Actuations Flashcards by Kevin Patrick | Brainscape

Q

What will cause an SI?

A

Manual

1/2

Containment Pressure High

3.0 psig (Hi-1) - 2/3

PZR Press Low

1857 psig - 2/4

Steam Pressure Low

735 psig - 2/3 on 1/4 SG

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause a Steam Line Isolation?

A

Manual

Steam Pressure Low

735 psig - 2/3 on 1/4 SG

Steam Pressure Rate

100 psig/50 sec*
2/3 on 1/4 SG*

Containment Pressure High

3.0 psig (Hi-2) - 2/3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will casue an AFW actuation?

A

SG Low Level

20% - 2/4 in 1/4 SG

AMSAC

SI (mode I,III)

full actuation

LOOP (II)

pumps start and recirc, OCIV stay closed

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause a Feedwater Isolation?

A

SI

P-14 - SG High Level

87.5% - 2/4 on 1/4 SG

P-4 with Low Tave

574 F - 2/4 with P-4 true

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause a Phase A?

A

SI

Manual

Containment Pressure High

3.0 psig (Hi-1)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause a Phase B?

A

Manual

Containment Pressure High

9.5 psig (Hi-3) - 2/4

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause a Containment Ventilation Isolation?

A

SI

High Rad

8012 or 8013

Phase A

Phase B

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What will cause an AMSAC actuation?

A

SG Level Low

15% for 25sec with Turbine Power ≥30%*
3/4 SGs*

How well did you know this?

1

Not at all

2

3

4

5

Perfectly