Dry to form a complete set of this reactor power load resistance/feeling one-piece load cabinet. By adjusting the inductive load and resistance load capacity can be accurately detecting Marine Electric power output of the unit and load ability, can assist the shipyard in the acceptance of the vessel and mooring test, ship line test, load test and static test voltage regulator, features Experiment, speed characteristic test, overload protection, reverse power and reverse current protection test, and test, etc.