ML13308A007: Difference between revisions
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| number = ML13308A007 | | number = ML13308A007 | ||
| issue date = 11/01/2013 | | issue date = 11/01/2013 | ||
| title = Open Phase Resolution Update Meeting Duke Energy Entitled Open Phase Detection and Protection | | title = Open Phase Resolution Update Meeting Duke Energy Entitled Open Phase Detection and Protection | ||
| author name = | | author name = | ||
| author affiliation = Duke Energy Corp | | author affiliation = Duke Energy Corp | ||
| Line 15: | Line 15: | ||
=Text= | =Text= | ||
{{#Wiki_filter: | {{#Wiki_filter:NRC Public Meeting November 1, 2013 Open Phase Detection and Protection 1 | ||
Open Phase Detection and Protection Meter as Relay Solution Standard pickup; low level processing Modified Solution Dual level sensors (excitation and power ranges) | Open Phase Detection and Protection Meter as Relay Solution Standard pickup; low level processing Modified Solution Dual level sensors (excitation and power ranges) | ||
Low power level alarm; high power level trip Redundant packages (SPV and reliability) 2 sets of sensors 2 sets of relay cabinets (to be installed adjacent to transformers) 2 | Low power level alarm; high power level trip Redundant packages (SPV and reliability) 2 sets of sensors 2 sets of relay cabinets (to be installed adjacent to transformers) 2 | ||
Open Phase Detection and Protection Plant | Open Phase Detection and Protection 3 | ||
Main | Plant Unit Transformers Comments Brunswick 1 | ||
Main SUT 2 | |||
Main SUT Catawba 1 | |||
1A Main 1B Main New SUTs at Catawba are not included. OPD will be addressed in the SUT project if it proceeds. | |||
Main | 2 2A Main 2B Main New SUTs at Catawba are not included. OPD will be addressed in the SUT project if it proceeds. | ||
Main | Crystal River 3 | ||
1-3 | OPT BEST Skip if fuel is in final storage? | ||
1 | Harris 1 | ||
Main SAT 1A SAT 1B Skip Main if we never backfeed? | |||
McGuire 1 | |||
1A Main 1B Main 2 | |||
2A Main 2B Main Robinson 2 | |||
Main SUT 1 SUT 2 Skip Main if we never backfeed? | |||
Oconee 1-3 CT1 CT2 CT3 CT4 CT5 Skip CT4 and CT5 if designated as safety power supplies? | |||
1 Main Outage backfeeds are typical 2 | |||
Main Outage backfeeds are typical 3 | |||
Main Outage backfeeds are typical Totals 22 Transformers minimum. | |||
24 Transformers likely (including the HNP and RNP Mains). | 24 Transformers likely (including the HNP and RNP Mains). | ||
28 Transformers possible. | 28 Transformers possible. | ||
We want redundant systems for SPV and reliability. | |||
Open Phase Detection and Protection 2014 | Open Phase Detection and Protection 4 | ||
RNP | 2014 2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BNP1 BNP2 CNS1 CNS1 CNS2 HNP MNS1 MNS2 MNS2 ONS1 ONS2 ONS3 RNP 2016 2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BNP1 BNP2 CNS1 CNS2 HNP MNS1 MNS1 MNS2 ONS1 ONS2 ONS3 RNP | ||
Open Phase Detection and Protection Project Concerns: | Open Phase Detection and Protection Project Concerns: | ||
Latest revision as of 04:06, 11 January 2025
| ML13308A007 | |
| Person / Time | |
|---|---|
| Site: | Oconee, Mcguire, Catawba, Harris, Brunswick, Crystal River, Robinson, McGuire  |
| Issue date: | 11/01/2013 |
| From: | Duke Energy Corp |
| To: | Office of Nuclear Reactor Regulation |
| Holonich J, 301-415-7297 | |
| References | |
| Download: ML13308A007 (5) | |
Text
NRC Public Meeting November 1, 2013 Open Phase Detection and Protection 1
Open Phase Detection and Protection Meter as Relay Solution Standard pickup; low level processing Modified Solution Dual level sensors (excitation and power ranges)
Low power level alarm; high power level trip Redundant packages (SPV and reliability) 2 sets of sensors 2 sets of relay cabinets (to be installed adjacent to transformers) 2
Open Phase Detection and Protection 3
Plant Unit Transformers Comments Brunswick 1
Main SUT 2
Main SUT Catawba 1
1A Main 1B Main New SUTs at Catawba are not included. OPD will be addressed in the SUT project if it proceeds.
2 2A Main 2B Main New SUTs at Catawba are not included. OPD will be addressed in the SUT project if it proceeds.
Crystal River 3
OPT BEST Skip if fuel is in final storage?
Harris 1
Main SAT 1A SAT 1B Skip Main if we never backfeed?
McGuire 1
1A Main 1B Main 2
2A Main 2B Main Robinson 2
Main SUT 1 SUT 2 Skip Main if we never backfeed?
Oconee 1-3 CT1 CT2 CT3 CT4 CT5 Skip CT4 and CT5 if designated as safety power supplies?
1 Main Outage backfeeds are typical 2
Main Outage backfeeds are typical 3
Main Outage backfeeds are typical Totals 22 Transformers minimum.
24 Transformers likely (including the HNP and RNP Mains).
28 Transformers possible.
We want redundant systems for SPV and reliability.
Open Phase Detection and Protection 4
2014 2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BNP1 BNP2 CNS1 CNS1 CNS2 HNP MNS1 MNS2 MNS2 ONS1 ONS2 ONS3 RNP 2016 2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BNP1 BNP2 CNS1 CNS2 HNP MNS1 MNS1 MNS2 ONS1 ONS2 ONS3 RNP
Open Phase Detection and Protection Project Concerns:
Final scope (number of transformers to be protected).
Multi-site, multi-plant, short, integrated schedule.
Available suppliers.
Verify that LAR will not be required or schedule LAR for Tech Spec updates.
5