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In-core Nuclear Instrument
In-core Nuclear Instrument
| Product Details | It is installed in a nuclear reactor of Korean standard nuclear power plant. It is used to comprehend the power distribution of nuclear fuel in the nuclear reactor and to measure the nuclear fuel burnup by detecting neutron occurred during the nuclear fission reaction process of nuclear reactor. |
|---|---|
| Main Customer | ENEC |
| Technical Specification | Specification
• Five(5) Rhodium Detectors • Thermocouple Type : K type with ground junction • Quality Class 1 • Insulation Resistance shall be no less than 1⨯1011ohms. Environmental condition • Steady State Conditions temperature : 399℃; normal operating range ; 4.4℃ to 371℃. pressure :175 kgf/cm2a (2500psia);normal range :0 to 158 kgf/cm2a. • Core Exit Thermocouple Temperature : up to 1260℃ Pressure : 1.1 to 175 kgf/cm2a Medium : liquid, gas or two phase mixture Location : top of core • Transient Operating Conditions Operating Fluctuations : The reactor coolant temperature will increase and decrease approximately 5.6℃ in one minute. At the same time, the coolant pressure may vary at a maximum of 7.03 kgf/cm2.These variations will occur a maximum of 150,000 times during the life of the in-core instrument assembly. • Operational Transient Conditions Transient Conditions Number of Occurrence Plant heatup 75 Plant cooldown 75 RCS leak test 30 Reactor trip 15 • Steady State Conditions Temperature : 10 – 49℃ Pressure : Atmospheric Relative Humidity : 0 – 100% Radiation Level : 4⨯105Gy (4⨯107Rad). This value includes gamma and neutron radiation. |
| Product Specification |
• Model : WJ-ICI-Q
• Rhodium Detector x 5pcs • Background Detector x 1pc • K type Thermocouple x 2pcs • Central Tube x 1 pc • Filler Cable x 8 pcs |
| Certification | ISO9001
OHSAS18001 |