ML22048B593

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Attachment -1 Table - EDG Trips Bypass at Various Plants Based on TSs and FSARs
ML22048B593
Person / Time
Issue date: 04/12/2022
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Office of Nuclear Regulatory Research
To:
O'Donnell E
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LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 1 Arkansas Nuclear One Unit 1 (PWR)

(R-IV)

None None Page 8.3-8 None (No Trips Bypassed)

Mechanical Overspeed; Low lube oil pressure; Overcrank (fail to start);

Crankcase overpressure Electrical differential relay; voltage restraint overcurrent; DG motoring; loss-of-field None 2

Arkansas Nuclear One Unit 2 (PWR)

(R-IV)

SR 4.8.1.1.2.c.7 During a SIAS Mechanical engine overspeed; lube oil pressure; engine failure to start Electrical generator differential Page 8.3-23 During a SIAS Mechanical Engine overspeed; lube oil pressure; engine failure to start Electrical generator differential; Diesel engine shutdown relay Mechanical None Electrical overcurrent relay with voltage restraint; loss of field relay; anti-motoring relay;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 3 Beaver Valley Unit 1 (PWR)

(R-I)

SR 3.8.1.9 During Loss of voltage signal on the emergency bus [same as LOOP or LOOP concurrent with SIAS]

Mechanical Engine overspeed, Electrical Generator differential current; Generator overcurrent Page 8.5-12 No Bypass Mode Discussion

[Assumed same as TS]

Mechanical Overspeed Electrical Gen differential; phase and ground current

[Addl Trips During Testing]

Mechanical None Electrical loss of generator field; and distance relaying with fault; 4

Beaver Valley Unit 2 (PWR)

(R-I)

SR 3.8.1.9 During Loss of voltage signal on the emergency bus [same as LOOP or LOOP concurrent with SIAS]

(Same as U1)

Mechanical Engine overspeed; Electrical Generator differential current; Backup phase fault detection; Generator overexcitation.

Pages 8.3-21, -22 No Bypass Mode discussion.

[Assumed same as TS]

Mechanical Overspeed Electrical Gen differential, back up distance relay in combination with long time overcurrent (OC),

inst. current with timer (considered same as back up phase fault);

Volt/Hz for over excitation

[Addl Trips During Testing]

Mechanical Not Listed Electrical Reverse Power; Loss of Field; Field OC; Field Grd

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 5 Braidwood Units 1 and 2 (R-III) (PWR)

SR 3.8.1.13 During LOOP concurrent with ESF [SIAS]

Mechanical Engine overspeed Electrical Generator differential Pages 8.3-11, -12, -

17; &

Table 8.3-7 According to Table 8.3-7, Electrical non-critical trips remain active during LOOP; Mechanical non-critical trips are bypassed on both LOOP and SIAS.

Table 8.3-7, Lists trips active during Testing, LOOP and SIAS.

Mechanical Overspeed Electrical Gen differential According to FSAR page 8.3-12:

  • Breaker trips; diesel does not shut down on auto start caused by undervoltage (LOOP).

When auto start is caused by safety injection signal (SIAS), diesel does not shut down and breaker does not trip.

Mechanical Engine lube oil low pressure; Turbo lube oil low pressure; Main connecting rod and Gen bearing high temperature; Turbo thrust bearing failure; Jacket water high temperature; Crank case high pressure Electrical Generator ground fault*;

Generator overcurrent*;

Generator trip*;

Loss of field*;

Reverse Power*;

Underfrequency*;

6 Byron Units 1 and 2 (PWR)

(R-III)

[SAME AS BRAIDWOOD]

SR 3.8.1.13

[Same as Braidwood]

LOOP concurrent with ESF [SIAS]

[Same as Braidwood]

[Same as Braidwood]

[Same as Braidwood]

{Same as Braidwood]

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 7 Browns Ferry Units 1, 2, 3 (BWR)

(R-II)

None None Page 8.5-4 Under Accident Mechanical Overspeed; Electrical differential relay; Other trips not discussed 8

Brunswick Units 1 and 2 (BWR) (R-II)

SR 3.8.1.10 During ECCS signal

[SIAS]

Mechanical Overspeed; Low lube oil Electrical Gen Differential; Reverse Pwr; Loss of field; Volt-restraint Ph OC 8.3.1.1.6.2 Ch 8; Pages 11, 13 During Automatic Mode

[ECCS or LOOP]

Mechanical Overspeed; Low lube oil Electrical Gen Differential; Reverse Pwr; Loss of field; Volt-restraint Ph OC Mechanical None Electrical Grd Fault Current (Alarm);

Underfrequency; Overvoltage

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 9 Callaway (PWR)

(R-IV)

SR 3.8.1.13 During LOOP concurrent with SIAS.

Mechanical Overspeed; Low Lube Oil Pr; High crankcase pressure; Start failure relay; High jacket coolant temp Electrical Generator differential Pages 8.3-11, -12 During SIS

[SIAS]

[Loop only?]

Mechanical Overspeed; Low Lube Oil Pr; High crankcase pressure; Start failure relay; High jacket coolant temp Electrical Generator differential

[When Testing in parallel]

Mechanical None Electrical Reverse power; loss of field; generator over-excitation; overcurrent; voltage-restrained overcurrent; ground overcurrent; underfrequency

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 10 Calvert Cliffs Units 1 and 2 (PWR) (R-I)

SR 3.8.1.13 During SI

[SIAS]

List Deleted

[See UFSAR]

Page 8.4-5

[Fairbanks]

Page 8.4-8

[SACM]

SIAS or undervoltage

[LOOP]

Mechanical (both Fairbanks & SACM)

Overspeed; Low Lube Oil Pr; Overcrank Electrical (both Fairbanks & SACM)

Gen Differential; Gen ground

(*) Only when parallel testing

(**) trips only EDG Breaker Mechanical (both Fairbanks & SACM, unless noted otherwise)

High jacket coolant temperature; Low jacket coolant pressure; High crankcase pressure Electrical (Both Fairbanks

& SACM, unless noted otherwise)

Loss of Field*

Reverse Power*;

Underfrequency*;

OC with voltage restraint Overvoltage (SACM);

Excitation Faults (SACM)

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 11 Catawba Units 1 and 2 (PWR)

(R-II)

SR 3.8.1.13 During LOOP concurrent with ESF (SIAS)

List removed from TS

[See UFSAR for List]

8.3.1.1.3.4 (Pages 8.3-13,-14)

During Blackout (LOOP) or SIAS (Trips Active during Testing only)

Mechanical Overspeed; Low Low Lube Oil; Electrical Gen Differential; Voltage Controlled OC; Mechanical Low Pres Turbo Oil; Low Pres Lube Oil; High Pres Crankcase; High Temp Bearings; High Temperature Lube Oil Out; High Temperature Jacket Water; High Vibration; Electrical Instantaneous Overcurrent; Loss of Field; Reverse Power; Ground Protection

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 12 Clinton (BWR)

(R-III)

SR 3.8.1.13 During ECCS

[SIAS]

Mechanical Overspeed; Overcrank for DG1A and DG 1B Electrical Generator differential Table 8.3-4 for Div. 1

& 2 DGs.

& Table 8.3-18 for Div. 3 DG.

During LOCA

[Table 8.3-4 & Tables 8.3-18 provide a good list of which trips are active during Testing, LOOP, and LOCA, separately.]

Mechanical Overspeed; Overcrank [Div 1 & 2];

Electrical Gen Differential; Mechanical Low Lube Oil Pr; High Coolant Temp; Overcrank [Div 3]

Electrical Loss of Excitation; Reverse Power; Overcurrent [Div 1, & 2; Ground Fault [Div 1 & 2];

Volt Restraint OC [Div 3]

13 Columbia Generating Station (BWR)

(R-IV)

SR 3.8.1.13 During LOOP concurrent with ESF (SIAS)

Mechanical Overspeed; Incomplete Seq (same as Overcrank)

Electrical Generator differential Page 8.3-14 During accident (LOCA)

[LOOP Only?]

Mechanical Overspeed; Incomplete Seq (same as Overcrank)

Electrical Generator differential During Non-Emergency (such as Testing)

Mechanical Low Lube Oil Pr; High Jacket Wtr Temp Electrical Loss of Excitation; Reverse Current; Overcurrent; Overvoltage;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 14 Comanche Peak Units 1 and 2 (PWR)

(R-IV)

SR 3.8.1.13 During LOV or SI

[LOOP or SIAS]

Mechanical Overspeed; Electrical Generator differential Pages 8.3-17, -18 Emerg - SI or UV

[LOOP or SIAS]

Mechanical Overspeed; Electrical Generator differential Mechanical Low Lube Oil Pr; Hi Crankcase Pr; Jacket Wtr Temp Hi; Gen Bearing High Temp; Lube Oil Temp Hi; Engine Hi Vibration; Turbo Hi Vibration; Engine Bearing High Temp; Left or Right Turbo Lo Lube Oil Pr; Electrical Reverse Power; Loss of Excitation; Neg Seq Current; Volt Restraint OC; Stator Grd; Field Grd; Overexcitation; Gen Neutral Gr OC; Gen Underfrequency

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 15 Cooper (BWR)

(R-IV)

None None Page VIII-5-8, -9 Certain Mech Trips bypassed in Emergency Mode (Except test mode).

(LOOP or SIAS)

[Only Non-Critical Mech Trips bypassed; All Electrical Trips remain active in LOOP & SIAS]

Mechanical Overspeed; Incomplete Seq (Overcrank);

Crankcase overpressure Electrical Gen differential; Phase overcurrent; Loss-of-field; Overvoltage; Reverse Power Mechanical Low Lube Pr Incomplete Seq (Overcrank);

Jacket Wtr Hi Temp; Main & Connecting Rod Bearing Temp Hi; Turbo Charger Trust Bearing Fail; Turbo Charger Oil Pressure Low Electrical None 16 DC Cook Units 1 and 2 (PWR)

(R-III)

SR 3.8.1.14 During LOV or SI

[LOOP or SIAS]

Mechanical Overspeed; Electrical Generator differential 8.4 (Page 15)

[LOOP or SIAS]

[Other Protective Devices Active During Testing Only)

Mechanical Overspeed; Electrical Generator differential (During Testing]

Mechanical Not Listed in FSAR Electrical Not Listed in FSAR

[Need to know list of Non-Critical Mech and Electrical Trips.]

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 17 Davis Besse (PWR) (R-III)

SR 3.8.1.12 During LOV or SI

[LOOP or SIAS]

List removed from TS

[See UFSAR for List]

Pages 8.3-8,

-9,-10 LOOP or SIAS

[Other Protective Devices Active During Testing Only]

Mechanical Overspeed; Electrical Generator differential; Voltage Restraint OC (51V-

2)

[Local Manual Trip PB]

Mechanical Jacket Wtr Temp Hi; Crankcase Pr Hi; Low Lube Oil Pr;

[Trips both engine & EDG Breaker]

Electrical Reverse Power (32);

Gen Ground (51G);

Voltage Restraint OC (51V-1);

Loss of Field (40);

Neg Phase Seq (46);

[Trips EDG Breaker]

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 18 Diablo Canyon Units 1 & 2 (PWR) (R-IV)

SR 3.8.1.12 In Automatic Operation

[LOOP or SIAS]

Mechanical Overspeed; Electrical Generator differential; Low Lube Pr Pages 8.3-19,

-20 LOOP or SIAS

[Other Protective Devices Active During Testing Only]

Mechanical Overspeed; Electrical Generator differential; Low Lube Pr; 4.16 kV Bus Diff

[Emerg Stop Switch outside DG Room]

Mechanical Jacket Wtr Temp Hi; Overcrank

[Trips Engine and EDG Breaker]

Electrical Loss of Field; Reverse Power; Overcurrent; 19 Dresden Units 2 & 3 (BWR)

(R-III)

SR 3.8.1.14 In LOV or ECCS

[LOOP or SIAS]

Mechanical Engine overspeed Electrical Generator differential Pages 8.3-10,

-11 In Automatic Start

[LOOP or SIAS]

Mechanical Engine overspeed Electrical Generator differential

[Other Protective Devices Active During Manual Start or Testing Only]

Mechanical Hi Engine Temp; Low Water Pr; Low Bearing Oil Pr; High Crankcase Pr Electrical Underfrequency; Loss of Field; Gen Ground Fault; Gen Overcurrent; Reverse Power

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 20 (Joseph) Farley Units 1 & 2 (PWR) (R-II)

SR 3.8.1.11 In LOV or ESF

[LOOP or SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential Page 8.3-11,

-12 In Emergency Mode

[LOOP or SIAS]

[Except Testing]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential Mechanical Hi Jacket Wtr Temp; Hi Lubrication Temp; Jacket Wtr Pr Low; Crankcase Pr High Electrical Underfrequency; Reverse Power; Loss of Excitation; Gen Overcurrent 21 Fermi 2 (BWR)

(R-III)

SR 3.8.1.12 Emerg Start Sig

[LOOP or SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr; Crankcase Overpressure; Fail to Start Electrical Generator differential Page 8.3-10 TABLE 8.3-12

[LOOP or SIAS]

[No Bypass under Testing Only]

Mechanical Engine overspeed; Low Lube Oil Pr; Crankcase Overpressure; Fail to Start Electrical Generator differential Mechanical Lube Oil Temp Hi; Jacket Coolant Temp High; Jacket Coolant Pr or Level Low; Electrical Overvoltage or Ground Fault; Field Fail; Fuel Oil Pr Low; Exciter Trip (Loss of Excitation)

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 22 (James)

FitzPatrick (BWR) (R-I)

None None Page 8.6-6 Bypass if LOCA

[SIAS]

Mechanical Engine overspeed; Electrical Generator differential; Gen Phase OC Loss of Field; Reverse Pwr Mechanical Lube Oil Pr; Electrical High Jacker Wtr Temp; 23 (R.E) Ginna (PWR) (R-I)

SR 3.8.1.8 During SI [SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr; Start Fail (Overcrank)

Electrical None (480 V EDG)

Page 32 of Ch 8 During SI [SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr; Start Fail (Overcrank)

Electrical None (No Gen Diff - 480V DG Mechanical None Electrical Reverse Power; Overcurrent

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 24 Grand Gulf 1 (BWR) (R-IV)

SR 3.8.1.13 ECCS Signal

[SIAS]

List removed from TS

[See UFSAR for List]

Page 8.3-13 During Emergency Op

[LOOP or SIAS]

[No Bypass under Testing]

Mechanical Engine overspeed Electrical Generator differential Mechanical Jacket Wtr Temp High; Engine Bearing High Temp; Low Turbo Oil Pr; High Vibration; Hi Temp Lube Oil; Hi Crankcase Pr; Lo Lube Oil Pr; Loss of Control Air

[Both Engine & EDG Breaker Tripped]

Electrical

[EDG Breaker Tripped]

Volt Controlled OC; Gen Underfreq;

[Loss of excitation, or Reverse Pwr when in Parallel; Gen Grd OC (also trip engine)]

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 25 (Shearon)

Harris (PWR)

(R-II)

SR 4.8.1.1.2.13 During LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Emergency Bus Differential; Loss of Gen Potential Page 8.3.1-12b, 13 During LOOP or with Accident [LOOP or SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Emergency Bus Differential; Loss of Gen Potential Mechanical Low Lube Oil Pr; High Jacket Wtr Temp; High Gen or Engine Bearing Temp; High Crankcase Pr; High Lube Oil Temp; Low Jacket Wtr Pr; Low Turbo Oil Pr; Excessive Turbo or Engine Vibrations; Electrical

[When in testing]

Loss of excitation; Gen Neg Sequence; Gen Overcurrent; Reverse Power;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 26 (Edwin) Hatch Units 1 & 2 (BWR)

(R-II)

SR 3.8.1.11 During LOOP concurrent with ECCS

[SIAS]

List removed from TS

[See UFSAR for List]

Pages 8.3.7,-9 Table 8.3-9 Table 8.3-10 MODE SELECT in NORM/TEST NORM Position for automatic start (LOOP or SIAS)

Mechanical Engine Overspeed; Low Lube Oil Pr Start Fail Electrical Generator differential; Mechanical Lube Oil Temp Hi; Jacket Coolant Temp Hi; Jacket Coolant Pr Low; Crankcase Pressure High Electrical Overcurrent with Volt Rest (trips only EDG Bkr);

Loss of Excitation (trips LO

& VR);

Reverse Power; (trips LO & VR) 27 Hope Creek 1 (BWR) (R-I)

SR 4.8.1.1.2.h.7 During LOOP concurrent with ECCS

[SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr Electrical Generator differential; Emergency Bus Differential; 8.3.1.1.3.3 Pages 8.3-30,

-31,-32 Non-Critical Trips in Testing Only. (LOOP or SIAS)

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; Emergency Bus Differential; Overcurrent Mechanical None Electrical EDG Beaker Tripped Reverse Power; Low Field Current (Loss of Field);

Overexcitation

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 28 LaSalle Units 1 and 2 (BWR)

(R-III)

SR 3.8.1.13 During ECCS

[SIAS]

Mechanical Engine overspeed; Electrical Generator differential Table 8.3-2 During SI [SIAS]

Mechanical Engine overspeed; Electrical Generator differential Mechanical None Electrical Gen Neutral Grd; Reverse Power; Phase Overcurrent; Loss of Field; Underfrequency 29 Limerick Units 1 and 2 (BWR)

(R-I)

SR 4.8.1.1.2.e.7 During ECCS

[SIAS]

Mechanical Engine overspeed; Electrical Generator differential Page 8.3-15 During LOCA

[SIAS]

Mechanical Engine overspeed; Fail to Start Electrical Generator differential; Bus Differential Mechanical Jacket Coolant High Temp; Jacket Coolant Low Pr; Lube Oil High Temp; Lube Oil Low Pr Electrical Phase Overcurrent; Gen Grd Neutral OC; Anti-motoring (reverse power);

4 kV Bus Phase OC; 4 kV Bus Ground OC

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 30 McGuire Units 1 & 2 (PWR)

(R-II)

SR 3.8.1.13 LOOP concurrent with ESF [SIAS]

List removed from TS

[See UFSAR for List]

Pages 8.3-8,-9 Only critical trips available at all times.

Assumed non-critical trips bypassed during LOOP Mechanical

[During ESF]

Engine overspeed; Low Lube Oil Pr; Electrical

[During ESF]

Generator differential; Volt Controlled OC Mechanical

[Addl Engine Trip during Testing]

Jacket Water Temp; Jacket Water Level; Jacket Water Pr; Crankcase Vapor Pr; Lube Oil Temp; Electrical

[Trips the EDG Breaker but not Engine, Why?]

Ground Fault; Loss of Field Excitation; Neg Sequence; Reverse Power; Over Excitation (V/Hz);

Inst & Def. Time OC

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 31 Millstone Unit 2 (PWR) (R-I)

SR 4.8.1.1.2.c.6 LOOP concurrent with ESF [SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential; Volt Restraint OC; Pages 8.3-8,-9 During Emergency Non-Critical Prot trip during testing only.

[LOOP or SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential; Volt Restraint OC (Trips EDG breaker);

Mechanical (Trip during Testing)

Jacket Wtr Pr Low; Crankcase Pr Hi; Fuel Oil Pr Low; Electrical (Trip during Testing)

Reverse Power; Inst Overcurrent; Core balance ground; 32 Millstone Unit 3 (PWR) (R-I)

SR 4.8.1.1.2.g.6.c LOOP concurrent with ESF [SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential; Pages 8.3-14,-15 During LOCA

[SIAS]

Non-Critical Prot trip listed during testing only.

[appears to be LOOP or SIAS]

Mechanical Engine overspeed; Low Lube Oil Pr Electrical Generator differential; Load Center Phase OC (Trips EDG breaker);

Mechanical (EDG & EDG Breaker trip during Testing)

Jacket Coolant Low Pr; Jacket Coolant High Temp; Lube Oil Temp Hi; Electrical Ground OC; Loss of Field; Reverse Pwr; Volt Restraint OC; Gen Overvoltage; Gen Underfreq (EDG Breaker only)

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 33 Monticello (BWR) (R-III)

None None None None None 34 Nine Mile Point Unit 1 (BWR) (R-I)

None None None None None 35 Nine Mile Point Unit 2 (BWR) (R-I)

SR 3.8.1.11 LOOP concurrent with ECCS

[SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-21,

-22 Non-Critical Prot trip listed during testing only.

[appears to be LOOP or SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Volt Controlled OC (trips only EDG breaker)

(Under test conditions)

Mechanical Jacket Water High Temp; Lube Oil High Temp; Lube Oil Pr Low; Turbo Lube Oil Pr Low; Bearing Temp Hi; Turbo Charger Thrust Bearing Fail; High Vibrations Electrical Directional Ground Overcurrent; Reverse Power; Loss of Field or Pot;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 36 North Anna Units 1and 2 (PWR) (R-II)

SR 3.8.1.12 When Automatic Start LOOP or [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential Pages 8.3-11,-12 During Emergency Start

[LOOP or SI]

Mechanical Engine Overspeed; Electrical Generator differential; Bus Overcurrent (EDG Breaker only);

Mechanical Engine Overspeed; High Lube Oil Temp; Low Lube Oil Pr; High Jacket Water Temp; High Crankcase Pr; Start Failure; Electrical Over Excitation; 37 Palisades (PWR) (R-III)

None None Page 8.4-5 None Page 8.4-5 Mechanical Overspeed; Low Lube Oil Pr; Low Jacket Wtr Pr; Electrical differential relay; overcurrent; None

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 38 Palo Verde Units 1, 2 and 3 (PWR) (R-IV)

SR 3.8.1.13 During LOOP concurrent with ESF (SIAS)

Mechanical Overspeed; Lube Oil Pr; Electrical Generator differential; Pages 8.3-48, -49 SIAS or AFAS or LOP Mechanical Overspeed; Lube Oil Pr; Electrical Generator differential; Mechanical Incomplete Seq; High Jacket Coolant Temp; High Bearing Temp; High Crankcase Pr; Turbo Charger Bearing Trust Fail; Turno Charger Low Lube Oil Pr; Electrical Loss of Field; Gen Ground OC; Gen Volt Restr OC; Reverse Power; Volt Unbalance (Neg Seq);

Underfreq;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 39 Perry (BWR)

(R-III)

SR 3.8.1.13 During ECCS (SIAS)

List removed from TS

[See UFSAR for List]

Pages 8.3-23,-24 LOCA or UV (LOOP)

Mechanical Overspeed; Electrical Generator differential; Mechanical High Jacket Wtr Temp; High Bearing Temp; Low Turbo Charger Oil Pr; Low Lube Oil Pr; High CrankCase Pr; Lube Oil HighTemp; Electrical Reverse Power; Volt Controlled OC; 40 Pt. Beach Units 1 and 2 (PWR)

(R-III)

None None Page 8.4-5 None Page 8.4-5 Mechanical Overspeed; Electrical Tine Overcurrent; Reverse Power; Loss of Field; None

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 41 Peach Bottom Units 2 & 3 (BWR) (R-I)

SR 3.8.1.13 During ECCS (SIAS)

List removed from TS

[See UFSAR for List]

Pages 8.5-3,

-4

[During LOCA]

Mechanical Engine Overspeed; Electrical Generator differential; Mechanical Jacket Coolant High Temp; Jacket Coolant Low Pr; Lube Oil Hi Temp; Lube Oil Low Pr; Crankcase Hi Pr; After cooler coolant Pr Low; Fuel Oil Pr Low; Electrical Directional Ground Overcurrent; Reverse Power; Loss of Field or Pot; 42 Prairie Island Units 1 & 2 (PWR) (R-III)

SR 3.8.1.8 During SI

[SIAS]

Mechanical Engine overspeed; Electrical Gen Differential; Grd Fault (U1 only);

Page 8.8-5

[Bypass if MCA relay is closed?]

[Bypass mode not explained or provided.]

Mechanical Electrical

[Details are not provided in FSAR]

Mechanical Electrical

[Details are not provided in FSAR]

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 43 Quad Cities Units 1and 2 (BWR) (R-III)

SR 3.8.1.14 LOOP concurrent with ECCS

[SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-9 Non-Critical Trips Bypassed in Automatic Mode (LOOP or SIAS)

Mechanical Engine Overspeed; Electrical Generator differential; (Under test/Manual Mode)

Mechanical High Engine Temp; Low Cooling Wtr Pr; High Crankcase Pr; Low Main Bearing Oil Pr; Electrical None; 44 River Bend Unit 1 (BWR) (R-IV)

SR 3.8.1.13 During ECCS

[SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-14 Non-Critical Bypassed in Emergency Mode (UV/LOOP or LOCA)

Mechanical Engine Overspeed; Electrical Generator differential; (When No LOCA)

Mechanical Lube and Jacket Wtr High Temp; Electrical None;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 45 (H.B.)

Robinson Unit 2 (PWR)

(R-II)

SR 3.8.1.11 Per TS Based during DBAs

[SIAS]

Mechanical Engine Overspeed; Electrical None

[480 V EDGs]

Page 8.3.1-4 Controlled by SW for testing

[LOOP or SIAS]

Mechanical Engine overspeed; Electrical None Mechanical

[Under Test Mode]

High Crankcase Pr; High Jacket Wtr Temp; Low Jacket Wtr Pr; Electrical None 46 St. Lucie Unit 1 (PWR)

(R-II)

SR 4.8.1.1.2.e.5c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-9, -10 Non-Critical Bypassed in LOOP or SIAS Mechanical Engine Overspeed; Electrical Generator differential; During Testing Mechanical Low Engine Oil Pr; Hi Engine Wtr Temp; High Crankcase Pr; Electrical Generator OC; Reverse Power; Loss of Excitation

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 47 St. Lucie Unit 2 (PWR)

(R-II)

SR 4.8.1.1.2.e.6c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-14, -15 Non-Critical Bypassed in LOOP or SIAS Mechanical Engine Overspeed; Electrical Generator differential; During Testing Mechanical Low Engine Oil Pr; Hi Engine Wtr Temp; High Crankcase Pr; Electrical Generator OC; Reverse Power; Loss of Excitation 48 Salem Units 1 and 2 (PWR)

(R-I)

SR 4.8.1.1.2.e.6c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; 4 kV Bus Differential Pages 8.3-9, -10, -11 During Emergency Start

[LOOP or SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; 4 kV Bus Differential (Trip EDG Breaker Only);

During Manual Mode Mechanical; Jacket Wtr High Temp; Lube Oil Temp Hi; Engine OverCrank Electrical Loss of Excitation; EDG Breaker Fail; Overcurrent (EDG Bkr Only);

Reverse Pwr (EDG Bkr Only);

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 49 Seabrook (PWR) (R-I)

SR 4.8.1.1.2.e.6c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; 4 kV Bus Differential Pages 8.3-25, -26 During Emergency Start

[LOOP or SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; 4 kV Bus Differential Mechanical; High Lube Oil Temp; High Jacket Coolant Temp; Electrical Gen Overcurrent; Reverse Power; Loss of Field 50 Sequoyah Units 1and 2 (PWR) (R-II)

SR 3.8.1.13 LOOP or SIAS List removed from TS

[See UFSAR for List]

Pages 8.3,7, - 8 During Emergency

[LOOP or SIAS]

Mechanical Engine Overspeed; Electrical Generator differential;

[During Excercing in parallel mode]

Mechanical Low Lube Oil Pr; High Jacket Wtr Temp; Electrical Instantaneous OC; Phase Balance; Reverse Power; Loss of Field

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 51 South Texas Units 1 and 2 (PWR) (R-IV)

SR 4.8.1.1.2.e.6c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; Pages 8.3-13, -14 During Emergency Start

[LOOP or SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; During Periodic Testing Mechanical; Excess Vibration; Turbo Charger Thrust Bearing Fail; High Jacket Wtr Temp; High Engine/Gen Bearing Temp; Electrical Reverse Power; Loss of Field; Gen Overcurrent; Gen Underfreq; Ground Fault; Negative Sequence;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 52 (V.C.) Summer (PWR) (R-II)

SR 4.8.1.1.2.g.6c LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; Page 8.3-12; Table 8.3-3a; UV or ESF

[LOOP or SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; During Testing Mechanical;

[Trips Engine & EDG Breaker]

Crankcase High Pr; Lube Oil Temp; Jacket Coolant HighTemp; Electrical

[Trip EDG Breaker]

Reverse Power; Ground OC; Volt Controlled OC; Negative Sequence; Field Fail; 53 Surry Units 1 and 2 (PWR) (R-II)

None None Page 8.5-4 None Page 8.5-4 Mechanical Overspeed; Electrical Gen differential; Gen Overcurrent; None

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 54 Susquehanna Units 1 and 2 (BWR) (R-I)

SR 3.8.1.13 LOOP concurrent with ECCS

[SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; Pages 8.3-18, -19 Automatic Mode (LOOP or SIAS)

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential;

[Trip EDG Breaker Only]

Volt Restrained OC; 4 kV Bus Differential; (Under Test Mode)

Mechanical Turbo Lube Oil Pr Low; Main & Connecting Rod Bearing Temp High; Engine Vibration; Turbo Thrust Bearing Fail; Jacket Water Temp High; Electrical Loss of Field; Overexcitation; Reverse Power; Underfrequency; Overvoltage; Gen High Bearing Temp;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 55 Turkey Point Units 3 and 4 (PWR) (R-II)

SR 4.8.1.1.2.g.6c LOOP concurrent with ESF [SIAS]

Mechanical Trips made operable during Test Bypassed

[See FSAR]

Electrical Trips made operable during Test Bypassed

[See FSAR]

Pages 8.2-9, -10 Under Emerg Operation

[LOOP or SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Other than Emerg (During Testing)

Mechanical; Low Low Lube Oil Pr;

[Page 9.15-35]

Electrical Gen Overcurrent; Loss of Excitation; Reverse Power; Underfrequency;

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 56 Vogtle Units 1 and 2 (PWR) (R-II)

SR 3.8.1.12 LOOP concurrent with SI [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential; Pages 8.3-9, -10 Separate Trips Listed for SIAS, LOOP Only, and Testing Trips Under SIAS match TS.

[During SIAS/LOOP concurrent with SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; Electrical Generator differential;

[During LOOP Only]

Mechanical None Electrical Loss of Field Voltage Controlled Phase OC;

[Addl Trips during Testing only]

Mechanical; High Jacket Coolant Temp; High Temp Lube Oil; Low Jacket Coolant Pr; Vibrations; Low Turbo Charger Oil Pr; High Crank Case Pr; Electrical Underfrequency*

Reverse Power*

Negative Seq*

  • during parallel testing only.

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 57 Waterford 3 (PWR) (R-IV)

SR 4.8.1.1.2.e.5c LOOP concurrent with ESF [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-13 LOOP or ESF [SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Other than LOOP or ESF Mechanical; Jacket Wtr High Temp

[Page 9.5-259];

Engine Low Lube Oil Pr; Turbo Low Lube Oil Pr;

[Page 9.5-264, -265];

Electrical Voltage Controlled Overcurrent; Loss of Excitation; Reverse Power; 58 Watts Bar 1 &

2 (PWR) (R-II)

SR 3.8.1.13 Automatic or Emerg Start

[LOOP or SIAS]

Mechanical Engine Overspeed; Electrical Generator differential; Pages 8.3-10, -11 Automatic Mode (LOOP or SIAS)

Mechanical Engine Overspeed; Electrical Generator differential; (Under Test Mode)

Mechanical Crankcase Pr; Low Lube Oil Pr; High Jacket Wtr Temp; Electrical Phase Balance Relay; Reverse Power; Loss of Field

LIST OF NPPS - EDG TRIPS BYPASS AT VARIOUS PLANTS, BASED ON TSs AND UFSARs

[Note: Although, this Table is expected to be mostly accurate, EDG Trips bypassed should be verified against actual plant drawings.]

Sr.

No.

Name of NPP TS Section; Bypassed Mode TS EDG Critical Trips List (Not bypassed)

UFSAR Section/Page; Non-Critical Trips Bypass Mode UFSAR EDG Critical Trips List (Not bypassed)

Other EDG Trips (Non-critical) Listed in UFSAR (Bypassed) 59 Wolf Creek 1 (PWR) (R-IV)

SR 3.8.1.13 LOOP concurrent with ESF [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; High Crankcase Pr; Start Fail Relay; High Jacket Coolant Temp; Electrical Generator differential; Pages 8.3-11,-12 LOOP or ESF [SIAS]

Mechanical Engine Overspeed; Low Lube Oil Pr; High Crankcase Pr; Start Fail Relay; High Jacket Coolant Temp; Electrical Generator differential During Testing Mechanical; None Electrical

[During parallel testing]

Reverse Power; Loss of Field; Overcurrent; Voltage Restraint OC; Ground Overcurrent; Overexcitation; Underfrequency;

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