qualification of egs gen 3 qdc -...
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Qualification of EGS Gen 3 QDCDarryl M. Deist – Strategic Account ManagerApril 2010April 2010
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Equipment Description What is an EGS QDC ?
The EGS Quick Disconnect Connector (QDC) is a value added device designed to provide an environmental seal of an electrical connection or equipment interfaceseal of an electrical connection or equipment interface while also allowing for connect and reconnect functionality for ease of maintenance.
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Why a New Qualification?
The purpose of the qualification program was toThe purpose of the qualification program was to increase qualification levels to provide for a generic qualification intended to meet the requirements of all nuclear power reactors currently operating worldwide and the new generation of nuclear reactors such as the W AP1000 and the Areva EPR.
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How did the QDC Change
Redundant Elastomer Seals Added•Redundant Elastomer Seals Added•Reduced Wave Spring Force•Enhanced Strain Relief •Set Screw Material Changed•Two Piece Housing Design•Changed Epoxy CompoundsChanged Epoxy Compounds•Changed Insulator Material
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What was used as guidance?
Qualification was based primarily on the guidance of IEEE Std 572-1985/2006 which provides specific direction for the "…implementation of IEEE 323-1983,direction for the …implementation of IEEE 323 1983, the IEEE standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations, as it pertains to qualification of Class 1E Connectionto qualification of Class 1E Connection Assemblies…"
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Other Standards used for Guidance
• 10CFR50 49• 10CFR50.49• IEEE 344-1975/1987/2004• IEEE 382-1980/1996/2006 (Ref for vibration aging &IEEE 382 1980/1996/2006 (Ref for vibration aging &
seismic testing only) • IEEE 323-1974/1983/2003• IEEE 572-1985/2006• REG GUIDE 1.10
REG GUIDE 1 89• REG GUIDE 1.89• REG GUIDE 1.156
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Enhanced Environmental ParametersNew Qualification test provided enhancedNew Qualification test provided enhanced parameters beyond previous testing.
•1 226 Hours of Thermal Aging•1,226 Hours of Thermal Aging•LOCA Pressure to 109 psia•MSLB to > 485°F•Post-LOCA Submergence @ 284°F/74 psia for 30 days•Radiation Exposure 2.3E8 rads
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• BaselineVib ti A i (IEEE382 5 200 H R
Test Sequence
• Vibration Aging (IEEE382, 5-200 Hz Resonance >100Hz)
• Thermal Cycling (10 cycles,Thermal Cycling (10 cycles, 30°C→121°C→30°C)
• Cycle Aging (160 connect/reconnect)• Thermal Aging (1226 hrs @ 126°C, QL = 60 yrs @
50°C + 35 days at 121°C)• Functional Tests• Functional Tests• Radiation Aging (3E7 rads-air, 5E5 rad/hr)• Thermal Cycling (10 cycles, 30°C to 121°C)Thermal Cycling (10 cycles, 30 C to 121 C)• Functional Tests
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• Seismic OBE Si S 10 (2 100 2 H )
Test Sequence (continued)
- OBE Sine Sweep 10g (2→100→2 Hz)- SSE Sine Beat 10g (2→64 Hz)
RMF triax SSE 7g ZPA- RMF triax SSE 7g ZPA• Functional Tests• LOCA Radiation (2.0 E8 rads)( )• Functional Tests• LOCA (495°F @109 psia)• Submergence Simulation (30 Days 284°F/74.5 psia)• MSIV/MSLB Simulation • Post Test Inspection
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Seismic Testing
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S i i RIM OBE RRSSeismic RIM OBE RRS
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S i i RMF RRSSeismic RMF RRS
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QDC P LOCAQDC Pre - LOCA
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R i d LOCA P filRequired LOCA Profile
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Composite Generic LOCAComposite Generic LOCA
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A t l LOCA P filActual LOCA Profile
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QDC P t LOCAQDC Post - LOCA
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R i d MSLBRequired MSLB
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A t l MSLBActual MSLB
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QDC P t LOCAQDC Post - LOCA
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S- Initial Test Complete and Report Issued; Test Report for Nuclear Environmental Qualification of
Summary
Test Report for Nuclear Environmental Qualification of1/2" Generation 3 EGS QDC Electrical Connector EGS-TR-23009-14
- Supplemental Test Begins May 2010 to cover revisedWestinghouse MSIV requirement of 500°F utilizingaged spares which were removed from program afterLOCA radiation.
* If specimens survive, will continue LOCA + submergence (min 30 days submergence)
** Alternately run new test program
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C t t I f ti
Qualification Questions:
Contact Information
Gary Elam - Operations ManagerScientech Huntsville256-722-8500 ext 134256-722-8500 ext. [email protected]
Copy of Qualification Report:Copy o Qua cat o epo t
Jane Cabaniss - Staff AdministratorScientech Huntsville256-722-8500 ext. [email protected]
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P t F A bi APrompt For Ambiguous Answers