Letter Sequence Other |
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Results
Other: 05000266/LER-1982-009-03, /03L-0:on 820408,4.16-kV Safeguards Undervoltage Relays Did Not Meet 0-volt Time Delay Spec.Caused by Manufacturer Characteristic Curves.Relays Not Capable of Less than 0.38-s.Tech Spec Change Requested on 820427, 05000301/LER-1982-003, Forwards LER 82-003/03L-0, 05000301/LER-1982-003-03, /03L-0:on 820510,during Periodic Testing of Safeguards Protective relays,4 Kv Undervoltage Relays Were Outside Tech Spec Limits.Caused by Limitations of Relays. Relays Adjusted, ML20052C230, ML20078R173, ML20100J065
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MONTHYEARML20052C2301982-04-27027 April 1982 Proposed Tech Spec Changes to Table 15.3.5-1,Item 10 Re Voltage Settings & Time Delay Settings Project stage: Other ML20052C2151982-04-27027 April 1982 Application for Amend to Licenses DPR-24 & DPR-27, Incorporating Changes to Tech Specs Re Voltage Settings & Time Delay Settings Project stage: Request 05000266/LER-1982-009-03, /03L-0:on 820408,4.16-kV Safeguards Undervoltage Relays Did Not Meet 0-volt Time Delay Spec.Caused by Manufacturer Characteristic Curves.Relays Not Capable of Less than 0.38-s.Tech Spec Change Requested on 8204271982-05-0707 May 1982 /03L-0:on 820408,4.16-kV Safeguards Undervoltage Relays Did Not Meet 0-volt Time Delay Spec.Caused by Manufacturer Characteristic Curves.Relays Not Capable of Less than 0.38-s.Tech Spec Change Requested on 820427 Project stage: Other 05000301/LER-1982-003, Forwards LER 82-003/03L-01982-06-0808 June 1982 Forwards LER 82-003/03L-0 Project stage: Other 05000301/LER-1982-003-03, /03L-0:on 820510,during Periodic Testing of Safeguards Protective relays,4 Kv Undervoltage Relays Were Outside Tech Spec Limits.Caused by Limitations of Relays. Relays Adjusted1982-06-0808 June 1982 /03L-0:on 820510,during Periodic Testing of Safeguards Protective relays,4 Kv Undervoltage Relays Were Outside Tech Spec Limits.Caused by Limitations of Relays. Relays Adjusted Project stage: Other ML20072J6891983-03-23023 March 1983 Application for Amend to Licenses DPR-24 & DPR-27,modifying 820427 Tech Spec Change Request 77 Re Loss of Voltage Protective Relays Project stage: Request ML20078R2291983-10-31031 October 1983 Safety Evaluation Supporting Amends 78 & 82 to Licenses DPR-24 & DPR-27,respectively Project stage: Approval ML20078R1731983-10-31031 October 1983 Amends 78 & 82 to Licenses DPR-24 & DPR-27,revising Tech Specs Re Loss of Voltage Relay Setpoints & Associated Time Delays Project stage: Other ML20100J0651984-12-0404 December 1984 Responds to 831031 Amends 78 & 82 to Licenses DPR-24 & DPR-27,respectively,re Installation of New 4,160-volt Loss of Voltage Relays.Installation Completed During Steam Generator Replacement & Refueling Outage Project stage: Other 1982-06-08
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TABLE 15.3.5-1 (Continued)
(Page 2 of 2) 3
- K rc)
OutD Q
NO.
FUNCTIONAL UNIT CHANNEL SETTING LIMIT Ob
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9.
Degraded Voltage (4.16 KV)
Disconnection of affected
> 3762 volts +2%
bus from offsite power Time delay:,less than 30 sec at 0-100% of voltage setting **
10.
Loss of Voltage a.
4.16 KV Disconnection of affected a.
2450 volts +3%
bus from offsite power Time delay:
5,0.4 sec. +10%
Start Diesel at 0 volts 5,1.2 sec. +20% at 90% of voltage setting b.
480 V Load shedding b.
256 volts +3%
Time delay:
<0.75 sec. +10%
.l at 0 volts i
<3.5 sec. +20 at 90% of voltage setting
- Within 6 months of the effective date of this amendment (January 11, 1982) the licensee will submit further justification for this voltage setpoint and time delay or a proposed Technical Specification change for Units 1 and 2.
The January 11, 1982 effective date is for Unit 1 only. For Unit 2 this limit is effective upon installation of the associated relays but in no case later than upon return to power from the spring 1982 refueling outage.