Device for providing an emergency electrical supply to auxiliary components of a nuclear power station and implementation method
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United States of America Patent
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N/A
Issued Date -
Oct 31, 2002
app pub date -
Apr 12, 2002
filing date -
Apr 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The device for providing an emergency electrical supply comprises a fuel cell (2) supplied with hydrogen and with air or even with pure oxygen from special compressed air and hydrogen systems of the nuclear power station or from special oxygen systems. It may also be produced in the form of a hybrid system comprising the fuel cell (2) and a supercapacitor plant placed in parallel or in series with respect to the fuel cell and via a suitable interface (chopper, for example). The fuel cell may be a cell of the PEMFC type. The fuel cell may in particular provide the electrical supply to the motor of a pump for injecting water into the seals of a primary pump of a pressurized-water nuclear reactor. It may also be used for the purpose of supplying certain monitoring and control systems of the nuclear power station should the normal supply to these systems be lost. The power of the systems according to the invention may reach 500 kVA.
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