Junction Box design for NEMO-phase1

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Junction Box design for NEMO-phase1
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JB oil filled, pressure compensate

• internal lay-out
• steel pressure vessel
• step-down transformer
• fiberglass container, with internal

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1. Internal lay-out

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1. Steel pressure vessel

1. transformer

1. JB fiberglass container

1. Internal frame

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Step-down transformer thermal exchanges
Maximum ?T9.98C
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Conclusion

• improve on reliability only 4 sealed pressure
  resistant connections fiberglass vessel is
  filled by silicone fluid double housing for
  transformer.

• economical consideration reduced dimension of
  pressure vessel no expensive alloy.