T type Z source inverter is a novel topology of the device. Replaces the traditional Z source network inductor with a low leakage inductance transformer to achieve the simplified topology and the performance improving. Introduces various T-Z source topological structures, compares their main performance indicates, and simulates T-Z source inverter and traditional Z source inverter by using Matlab/Simulink software. Simulation results show that the T-Z source has a better boosting capacity, and the simulation verified the feasibility of T type Z source topology.