Overhaul the comparison of the scheme and analysis of economic technology through three kinds of hydrogen coolers,prove new-type that can improve the efficiency of overhauling to overhaul the scheme,overhaul quality,lower costs,have better economic benefits to enterprises,stop up and leak to the hydrogen-cooled device and have general application meanings.

Analysis and treatment for anomaly of direct-current leakage of generator stator winding caused by hydrogen cooler fault;