DISPOSAL OF WASTE GAS CONTAINING HYDROGEN AND RESIDUAL GASES FROM AN ELECTRIC MACHINE FILLED WITH HYDROGEN

摘要

The invention concerns the disposal of waste gas containing hydrogen and residual gases extracted by vacuum extraction from a sealed system (3, 4, 5, 6) in a hydrogen-filled electric machine (1). The hydrogen is separated from the waste gas in a filtration unit (7) and fed back to the machine (1). A solid matrix (2), particularly one consisting substantially of copper, is preferably used to separate out the hydrogen. The invention is intended particularly for use with large-scale electrical generating equipment such as turbogenerators. In particular, it avoids hydrogen losses, which cannot be monitored directly. In addition, it makes significant simplifications possible in the design of such electric machines (1), as well as reducing their cost.