Letter Sequence Other |
|---|
|
Results
Other: ML19350D332, ML19350D336, ML19352A999, ML20039B316, ML20039F991, ML20040A029, ML20040B111, ML20040B125, ML20053D878, ML20054M208, ML20078G657
|
MONTHYEARML19263F4321980-01-17017 January 1980 Responds to NRC Dec 1979 Request for Info Re Safeguard Motor Voltage Ratings.Safeguard Motors Rated to Start & Accelerate Loads w/80% Voltage.Motors Can Carry Normal Loads at 80% W/O Overheating Project stage: Request ML19350D3321981-03-31031 March 1981 Amends 47 & 52 to Licenses DPR-24 & DPR-27,respectively, Reflecting Mods to Plant Equipment for Addl Assurance of Proper Functioning of safety-related Electrical & Emergency Power Sys Project stage: Other ML19350D3341981-03-31031 March 1981 Safety Evaluation Supporting Amends 47 & 52 to Licenses DPR-24 & DPR-27,respectively Project stage: Approval ML19350D3361981-03-31031 March 1981 Notice of Issuance & Availability of Amends 47 & 52 to Licenses DPR-24 & DPR-27,respectively Project stage: Other ML19352A9991981-05-30030 May 1981 Informs That Mod of Protective Relaying Unavoidably Delayed, Due to Longer than Anticipated Delivery Times for Required Replacement Relays for safety-related Electrical Distribution Buses.Anticipates Mod Completion by 810831 Project stage: Other ML20038B9581981-12-0303 December 1981 Application for Amend to Licenses DPR-24 & DPR-27 Changing Time Delay Specified in Item 9 of Table 15.3.5-1 to Insure Emergency Power Undervoltage Relay Protection & Permit Start of Reactor Coolant Pump Motor in Cold Shutdown Project stage: Request ML20039F2101981-12-0404 December 1981 Confirms 811203 Telephone Authorization for Amends to Licenses DPR-24 & DPR-27,revising Time Delay to Degraded Grid U/V Relays.Draft Safety Evaluation Encl Project stage: Draft Approval ML20039B3161981-12-0909 December 1981 Forwards Fee for Amends 47 & 52 to Licenses DPR-24 & DPR-27, Respectively,Per 811203 Tech Spec Change Request.Amends Adjust Relay Time Delay.Responses to Addl Questions for Final Approval Will Be Provided as Soon as Possible Project stage: Other ML20040A0291981-12-17017 December 1981 Requests Remittance of Class III & I Fees for 811203 Application to Change Tech Specs Re Degraded Grid Undervoltage Relay Time Delay Project stage: Other ML20039F9911981-12-21021 December 1981 Notice of Issuance & Availability of Amends 57 & 61 to Licenses DPR-24 & DPR-27,respectively Project stage: Other ML20039F9861981-12-21021 December 1981 Safety Evaluation Supporting Amends 57 & 61 to Licenses DPR-24 & DPR-27,respectively Project stage: Approval ML20039D6141981-12-30030 December 1981 Application for Amend to Licenses DPR-24 & DPR-27,responding to NRC 811218 Telecopied Request for Addl Info on 811203 Tech Spec Change Request 74 Re Emergency Power Undervoltage Relay Protection Project stage: Request ML20040B1251982-01-0606 January 1982 Notice of Issuance & Availability of Amends 58 & 62 to Licenses DPR-24 & DPR-27,respectively Project stage: Other ML20040B1131982-01-0606 January 1982 Safety Evaluation Supporting Amends 58 & 62 to Licenses DPR-24 & DPR-27,respectively Project stage: Approval ML20040B1111982-01-0606 January 1982 Amends 58 & 62 to Licenses DPR-24 & DPR-27,respectively, Revising Degraded Grid Undervoltage Relay Setpoint & Associated Time Delay Project stage: Other ML20053D8781982-06-0101 June 1982 Forwards Clarification & Updated Info Re Adequacy of Station Electrical Distribution Sys Voltages Referenced in NRC .Info Combined w/810601 & 1230 Ltrs Completes Response Project stage: Other ML20054M2081982-06-30030 June 1982 Proposed Tech Spec Change Revising Voltage & Time Delay Setpoints for Degraded Voltage Relays Project stage: Other ML20054M2061982-06-30030 June 1982 Application to Amend Ol,Revising Voltage & Time Delay Setpoints for Degraded Voltage Relays Project stage: Request ML20063M5941982-09-10010 September 1982 Responds to 820813 Request for Addl Info Re Adequacy of Electrical Distribution Sys Voltages.Theoretical & Actual Voltages for safety-related Buses Listed Project stage: Request ML20078G6631983-09-30030 September 1983 Safety Evaluation Supporting Amends 74 & 79 to Licenses DPR-24 & DPR-27,respectively Project stage: Approval ML20078G6571983-09-30030 September 1983 Amends 74 & 79 to Licenses DPR-24 & DPR-27,respectively, Revising Degraded Grid Voltage Relay Setpoint & Associated Time Delay in Table 15.3.5-1 of Tech Specs Project stage: Other 1981-12-09
[Table View] |
Text
...
.. - ~. -. - _.
f 4-k k
500.
]
3,j TABLE 15.3.5-1 (Continued)
CHu (Page 2 of 2) bb
's O
NO.
FUNCTIONAL UNIT _
CHANNEL SETTING LIMIT
$b l
00
-9.
Degraded Voltage (4.16 KV)
Disconnection of affected
>3875 volts +2%
- -]yy bus from offsite power Time delay
- less than 60 sec zor at 0-100% of voltage s9tting I
j i
10.
Loss of Voltage
).
a.
4.16 KV Disconnection of affected a.
2450 volts 1,3%
bus from offsite power Time delay:
0.3 sec 15%
i State Diesel at 0 volts i
1.2 see 1,5% at 90% of
. voltage setting b.
480 V Load shedding b.
256 volts 1,3%
i Time delay:
0.75 sec 1,5%
i at O volts 3.5 sec 1,15% at 90% of j
voltage setting l
l i
4 l
1 1
i 1
i
)
i l
i i
4