Gas collection test system for electric reactor

The invention provides an electric reactor gas collection test system, which comprises a gas inlet direction cover plate arranged on a manhole flange plate of a detachable lead ascending flanged base at the high-voltage side of an electric reactor, and a phi 100 ball valve mounted on the gas inlet direction cover plate; the sleeve replacement part is used for replacing an original high-voltage sleeve of the electric reactor, and a first phi50 ball valve, a first transition flange, a second connecting pipe, a screw rod and a cover plate with a plug are sequentially installed on the sleeve replacement part; a first connecting pipe, a second transition flange, a second phi50 ball valve and a three-way connecting pipe are sequentially arranged between the air leakage pipe joint of the upper cover plate of the high-voltage mutual inductor ascending flanged base of the electric reactor and the main connecting pipe; wherein an inflation device is installed at the position of the phi100 ball valve, the first connecti