MI cables offer intrinsic advantages in harsh environments. THERMOCOAX offers specific cabling systems constructed to suit your particular application for in-core or ex-core sensors whatever reactor type.
Enhanced mechanical & electrical performance compared to conventional soft cables or other MI cables.
ALARA (As Low As Reasonably Achievable) implementation.
Cabling systems with low total cost of ownership:
- Designed & manufactured for life time of NPP
- Highly stable performance over time
- Data transmission cabling systems
- Qualified connectors for severe accident lines
- Organic material sheathed MI cable
TRANSMISSION CABLING SYSTEMS :
Applications
- MI cables for Power, instrumentation & control solutions in high radiation and/or high temperature environments.
- Low capacitance signal transmission cabling systems
- High frequency signal transmission cabling systems
- Single or multiconductor transmission cabling systems
Key parameters:
- Cabling systems made of specific material for outer and internal sheath, conductors and mineral insulation (MgO, Al2O3, SiO2, Hafnium...)
- High precision construction for the entire length
- Twisted conductors, if required
- Raw material selection with very low cobalt content to prevent long half-life activity
- Very high insulation resistance up to
- 1E13 Ohms.m @ room temperature
1E8 Ohms.m @ 500°C
Outer dimensions from 15.9 mm (0.625’’) down to 0.25 mm (0.010’’)
Product features:
- Proprietary manufacturing process resulting in unique electrical properties
- Cost effective solution for plastic-insulated cable replacement
- Wide range of configuration
Cabling system connectors for low radiation environments up to severe accident conditions
Applications
Connectors capable of ensuring long term tightness. For power, instrumentation & control solutions in high radiation and/or high temperature environments.
Key parameters:
Different solutions available: cabling system connectors designed dependent on normal operating conditions and accident condition severity. Can withstand the radiation, pressure and temperature of a design basis accident. Some designs exclude organic compound material.
Product features:
- State of the art ceramic seals. Qualified resin compound if permitted. LOCA & Post LOCA resistant, severe accident resistant
- Small dimension, single or multiple contacts
- Contact pins in nickel or thermocouple material
Plastic coated MI cabling systems
Applications
MI Cable with extruded plastic sheath layer
Key parameters:
All advantages of MI cable robustness
Color coded to facilitate routing
Radiation qualified organic material.
Product features:
- Plastic extrusion on the metallic outer sheath
- No electrical contact to prevent coupling in cable tray, for example
- Allows installation using different colors for different cables