| Contains the turbine, the AC generator and the condenser, plus additional safety equipment: averages 300-500 km of cables per unit. |
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LV XLPE cables and connectivity
Copper (or aluminum) XLPE energy cables are used to connect the generator to the HV transformer. Nexans produces connectors, as well as cable joints and terminations.
These cables are widely used around the world by conventional electrical generating systems.
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| Fire-retardant and fire-resistant cables
Energy cables (up to 1 kV) prevent fire propagation and dramatically reduce smoke emission, while the latter provide LV power for alarms, smoke evacuation, lighting, sprinklers and equipment during a fire.
Nexans is providing energy cables for Areva’s III-generation EPR reactors now being built in Flamanville (France).
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| Control/instrumentation/ sensor cables
Same as for Nuclear Island, but now they are controlling the pressure and temperature of the steam going to the high-pressure and low pressure turbine elements, and other systems, including the condenser and heaters. They can be nuclear-qualified, according to customer requirements.
Nexans has provided these cables for both Ling Ao 1 +2 (China), Temelin 1+2 (Czech Republic), and other projects.
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Access-control cables
Secure cables that give a simple on/off signal for doors, gates, hatches, sliding panels, etc.
Nexans also designs special cables for motion detectors in sensitive nuclear plant areas.
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VDI (Voice-Data-Image) fiber cables
Increasingly, surveillance and control are being integrated on one platform. Several digital Video-Over-IP cameras, using a fiber link, replace expensive CCTV cameras.
Special zero-halogen sheaths assure operational continuity during a fire.
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