Smart alternating current load testing device

The utility model discloses a smart alternating current load testing device and relates to the technical field of testing devices. A to-be-tested generating set outputs power for a testing host through a three-phase alternating current access unit. The output end of the three-phase alternating current access unit is connected with a power bus. A host computer testing system is connected with the testing host through a communication unit. A smart host unit, the communication unit, a testing unit, a driving unit and a smart load module are connected through a data bus. The smart load module is also connected with the power bus. The smart alternating current load testing device is adjustable in power factor, can simulate sensitive loads, resistive loads and capacitive loads, and achieves a test of simulating actual generating set load characteristics; the load modularization simplifies load heat radiation, control precision is improved, system cost is reduced, and system stability is enabled to be reliable; and the smart alternating current load testing device can provide trend prediction of each key parameter and the decision basis for generating set maintenance by recording the identity identification number of a generating set, storing all testing data in a database and analyzing change in historical data.