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Figure 12.5 - Cutaway model of an oil-filled high-voltage
circuit breaker. The interior is completely filled with insulating
oil during normal operation.
7. Perfluorinated Liquids
One trade name of perfluorinated liquids is FluorinertTM. They
are clear, colourless, odourless and have a viscosity similar to
water. Concerns include the need to have a sealed housing with a
provision for expansion and contraction. It is expensive, and
evaporation is an issue.
In some cases, evaporation is so fast you can almost see dollar
bills disappearing into thin air!
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