| 摘要 |
The object of the invention is a method for monitoring galvanic isolation (120) of a fuel cell device. In the method is arranged at least one stack (103) of fuel cells and at least one load circuit (111) for fuel cells to an electrically freely floating configuration towards at least one structure (122) near fuel cells, is performed a controlled switching via at least two switching points (126, 128) to at least one measurement element (124) comprising known impedance in connection to said at least one structure (122), is performed measurements from the measurement element to form voltage information, is processed said formed voltage information and at least voltage information between switching points (126, 128) to check floatages of fuel cells in relation to said at least one structure. |
